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  • Bücher  (46)
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  • 2010-2014  (71.394)
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  • 1
    Schlagwort(e): Chemistry ; Environmental sciences ; Waste disposal ; Water pollution
    ISBN: 9780387274485
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Biochemistry ; Biotechnology ; Microbiology
    ISBN: 9783540314486
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Biochemistry ; Biotechnology ; Microbiology
    ISBN: 9783540315438
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Biochemical engineering ; Biotechnology ; Microbiology ; Microbiology
    ISBN: 9783540315407
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Biotechnology ; Marine ecology ; Microbiology
    ISBN: 9783540313953
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Unbekannt
    Cham : Springer
    Schlagwort(e): Engineering ; Natural disasters ; Geotechnical engineering ; Civil engineering ; Engineering ; Civil Engineering ; Natural Hazards ; Geotechnical Engineering & Applied Earth Sciences
    Beschreibung / Inhaltsverzeichnis: Preface --- 1. The Full-Scale Laboratory: The Practice of Post-Earthquake Reconnaissance Missions and Their Contribution to Earthquake Engineering --- 2. Rapid Earthquake Loss Assessment after Damaging Earthquakes --- 3. Existing Buildings: The New Italian Provisions for Probabilistic Seismic Assessment --- 4. Seismic Response of Precast Industrial Buildings --- 5. The Role of Site Effects at The Boundary Between Seismology and Engineering: Lessons from Recent Earthquakes --- 6. Seismic Analysis and Design of Bridges with an Emphasis to Eurocode Standards --- 7. From Performance- and Displacement-Based Assessment of Existing Buildings per EN1998-3 to Design of New Concrete Structures in Fib MC2010 --- 8. Testing Historic Masonry Structural Elements and/or Building Models --- 9. Earthquake Risk Reduction: From Scenario Simulators Including Systemic Interdependency to Impact Indicators --- 10. Physics-Based Earthquake Ground Shaking Scenarios in Large Urban Areas --- 11. A Seismic Performance Classification Framework to Provide Increased Seismic Resilience --- 12. Towards Displacement-Based Seismic Design of Modern Unreinforced Masonry Structures --- 13. Pushover Analysis for Plan Irregular Building Structures --- 14. Recent Development and Application of Seismic Isolation and Energy Dissipation and Conditions for Their Correct Use --- 15. Conservation Principles and Performance-Based Strengthening of Heritage Buildings in Post-Event Reconstruction --- 16. Earthquake Risk Assessment: Present Shortcomings and Future Directions --- 17. The Role of Pile Diameter on Earthquake-Induced Bending --- 18. Predictive Models for Earthquake Response of Clay and Quick Clay Slopes.- 19. Recent Advances in Seismic Soil Liquefaction Engineering --- 20. Seismic Hazard and Seismic Design and Safety Aspects of Large Dam Projects
    Seiten: Online-Ressource (VIII, 650 pages) , 373 illustrations, 263 illustrations in color
    ISBN: 9783319071183
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Schlagwort(e): dynamics of atmospheric composition ; variability of gas exchanges at the air-sea interface ; dynamics of the marine ecosystem ; modelling of the interaction between the ocean and the atmosphere
    Beschreibung / Inhaltsverzeichnis: A01: Dynamics of Atmospheric Composition --- A Study on the Production and Emission of Marine-Derived Volatile Halocarbons / Y. Yokouchi, A. Ooki, S. Hashimoto and N. Itoh / pp. 1-25. doi:10.5047/w-pass.a01.001 --- Measurements of Gaseous Peroxides in the Oceanic Lower Atmosphere / S. Hatakeyama and T. Akatsuka / pp. 27-31. doi:10.5047/w-pass.a01.002 --- Phase Partitioning of NH3 and Gas to Particle Conversion / K. Osada / pp. 33-36. doi:10.5047/w-pass.a01.003 --- New Particle Formation of Marine Aerosols / K. Miura, H. Furutani, Y. Iwamoto, K. Nagano, H. Kobayashi, M. Mochida, H. Mukai, S. Hashimoto, M. Takami and M. Uematsu / pp. 37-41. doi:10.5047/w-pass.a01.004 --- A Study of the Chemical Processes in Aerosols and Their Impacts on the Environment Using X-ray Absorption Fine Structure Spectroscopy / Y. Takahashi, M. Higashi, T. Furukawa, T. Miyoshi, M. Fujiwara and M. Uematsu / pp. 43-50. doi:10.5047/w-pass.a01.005 --- Variability in Mineral Dust Deposition over the North Pacific and Its Potential Impact on the Ocean Productivity / H. Fukushima / pp. 51-60. doi:10.5047/w-pass.a01.006 --- Atmosphere-Ocean Interaction through Atmospheric Aerosol Particles Observed in a Single Nanoparticle Aspect / H. Furutani, J. Jinyoung and M. Uematsu / pp. 61-69. doi:10.5047/w-pass.a01.007 --- Simultaneous Measurements of Hygroscopic Property and Cloud Condensation Nucleus Activity of Aerosol Particles of Marine Biogenic Origin / M. Mochida / pp. 71-81. doi:10.5047/w-pass.a01.008 --- Eruption of Mt. Kilauea Impacted Cloud Droplet and Radiation Budget over North Pacific / I. Uno, K. Eguchi and K. Yumimoto / pp. 83-87. doi:10.5047/w-pass.a01.009 --- A02: Variability of Gas Exchanges at the Air-Sea Interface --- High-Resolution Measurement of Volatile Organic Compounds Dissolved in Seawater Using Equilibrator Inlet-Proton Transfer Reaction-Mass Spectrometry (EI-PTR-MS) / Hiroshi Tanimoto, Sohiko Kameyama, Yuko Omori, Satoshi Inomata and Urumu Tsunogai / pp. 89-115. doi:10.5047/w-pass.a02.001 --- Study of the Production Processes of Marine Biogenic Methane and Carbonyl Sulfide Using Stable Isotope Analysis / S. Toyoda, K. Yamada, Y. Ueno, K. Koba and O. Yoshida / pp. 117-121. doi:10.5047/w-pass.a02.002 --- Long-Term Changes of Greenhouse Gases in the Ocean and Their Feedback Effects on the Climate / Yutaka W. Watanabe, Ichiro Yasuda and Nobuo Tsurushima / pp. 123-150. doi:10.5047/w-pass.a02.003 --- Temporal and Spatial Variations in Carbonate System and Air-Sea CO2 Flux in the Kuroshio and Kuroshio Extension / H. Yoshikawa-Inoue, T. Midorikawa and T. R. Takamura / pp. 151-161. doi:10.5047/w-pass.a02.004 --- A03: Dynamics of the Marine Ecosystem --- Bioavailability and Biogeochemical Processes of Trace Metals in the Surface Ocean / S. Takeda, H. Obata, A. Okubo, M. Sato and Y. Kondo / pp. 163-176. doi:10.5047/w-pass.a03.001 --- Detailed Variations in Bioactive Elements in the Surface Ocean and Their Interaction with Microbiological Processes / H. Ogawa, K. Kogure, J. Kanda, F. Hashihama and M. Suzumura / pp. 177-197. doi:10.5047/w-pass.a03.002 --- Photoheterotrophic Process in Surface Seawater Environments / K. Hamasaki, Y. Sato-Takabe, A. Taniguchi and Y. Tada / pp. 199-202. doi:10.5047/w-pass.a03.003 --- Ecological Study of Bacterial Populations Related to Biogenic Gas Transformation in Marine Environments / K. Hamasaki, R. Kaneko, A. Mouri, Y. Tada, N. Kasamatsu-Takasawa and I. Nagao / pp. 203-209. doi:10.5047/w-pass.a03.004 --- A04: Modelling of the Interaction between the Ocean and the Atmosphere --- Modeling for Evaluation and Prediction of Effects of Short-Term Atmospheric Disturbance on Air-Sea Material Cycling / M. Fujii and A. Tanaka / pp. 211-222. doi:10.5047/w-pass.a04.001 --- Relating Phytoplankton Pnysiology to North Pacific Biogeochemistry / S. Lan Smith, Maki N. Aita, Masahito Shigemitsu and Yasuhiro Yamanaka / pp. 223-235. doi:10.5047/w-pass.a04.002 --- Coupling of Physical and Bio-Geochemical Process and Monitoring Ocean Circulation Using Data Assimilation System / Y. Ishikawa, T. Awaji, M. Ikeda and T. Toyoda / pp. 237-241. doi:10.5047/w-pass.a04.003
    Seiten: Online-Ressource (XIV, 269 Seiten) , Illustrationen
    ISBN: 9784887041653
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Schlagwort(e): Environment ; Regional planning ; Urban planning ; Applied ecology ; Wildlife ; Fish ; Climate change ; Nature conservation ; Environment ; Climate Change ; Nature Conservation ; Fish & Wildlife Biology & Management ; Landscape/Regional and Urban Planning ; Applied Ecology
    Beschreibung / Inhaltsverzeichnis: Preface --- Acknowledgements --- Chapter 1 – Natural Heritage at Risk by Climate Change --- Chapter 2 – Climate Change in Central and Eastern Europe --- Chapter 3 – Effects of Climate Change on the Hydrological Cycle in Central and Eastern Europe --- Chapter 4 – Potential impacts of climate change on protected habitats --- Chapter 5 – Climate Change impact modelling cascade - Benefits and limitations for --- Chapter 6 – Indicators for Monitoring Climate Change-Induced Effects on Habitats – a --- Chapter 7 – Remote Sensing-based Monitoring of Potential Climate-induced Impacts on Habitats --- Chapter 8 – Assessment of Climate-induced Impacts on Habitats --- Chapter 9 – Legal Aspects of Climate Change Adaptation --- Chapter 10 – A Methodical Framework for Climate Change-Adapted Management in Protected Areas --- Chapter 11 – Monitoring concept of climate-induced impacts on peat bog vegetation in Pokljuka plateau in Triglav National Park, Slovenia --- Chapter 12 – Concept for the monitoring of climate induced impacts on rock ptarmigan (Lagopus muta) in Triglav National Park, Slovenia --- Chapter 13 – Suggested management measures for Natura 2000 Habitats in Körös-Maros National Park, Hungary --- Chapter 14 – Climate-induced challenges for wetlands: revealing the background for the adaptive ecosystem management in the Biebrza Valley, Poland --- Chapter 15 – Habitat changes caused by sea level rise, driven by climate change in the Northern Adriatic coastal wetlands, Slovenia --- Chapter 16 – Potential impacts of climate change on forest habitats in the Biosphere Reserve Vessertal-Thuringian Forest in Germany --- Chapter 17 – Potential Impact of Climate Change on Alpine Habitats from Bucegi Natural Park, Romania --- Chapter 18 – Potential Impacts of Climate Change on Habitats and their Effects on Invasive Plant Species in Danube Delta Biosphere Reserve, Romania --- Chapter 19 - Reproduction biology of an alien invasive plant: a case of drought-tolerant Aster squamatus on the Northern Adriatic seacoast, Slovenia --- Chapter 20 – Conclusions and Recommendations for Adapting Conservation Management in the Face of Climate Change --- Index
    Seiten: Online-Ressource (XXV, 308 pages) , 77 illustrations, 33 illustrations in color
    ISBN: 9789400779600
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Unbekannt
    Tokyo : Springer
    Schlagwort(e): Environment ; Nuclear energy ; Nuclear chemistry ; Radiation protection ; Radiation ; Safety measures ; Environmental health ; Water pollution ; Environment ; Effects of Radiation/Radiation Protection ; Environmental Health ; Nuclear Energy ; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution ; Nuclear Chemistry
    Beschreibung / Inhaltsverzeichnis: Part 1 Introduction --- 1 Outline of the Environmental Monitoring of TEPCO's Fukushima Daiichi Nuclear Power Plant Accident (Tomoyuki TAKAHASHI) --- 2 Outline of the Radiation Dose Estimation of Residents After the Fukushima Daiichi Nuclear Power Plant Accident (Sentaro TAKAHASHI) --- Part 2 Overview --- 3 Accident of Fukushima Daiichi Nuclear Power Plant: Sequences, FP Released, Lessons Learned (Jun SUGIMOTO) --- 4 Some Comments on Dose Assessment for Members of the Public After the Fukushima Daiichi Nuclear Power Plant Accident (Jiro INABA) --- Part 3 Radiation Survey of the Environment --- 5 Environmental Radiation Status in and Around Tokyo Immediately After the TEPCO Fukushima Daiichi Nuclear Power Plant Disaster (Takeshi IIMOTO) --- 6 Radiation Survey Along Two Trails in Mt. Fuji to Investigate the Radioactive Contamination Due to TEPCO's Fukushima Daiichi Nuclear Plant Accident (Kazuaki YAJIMA) --- 7 Development of a Carborne Survey System, KURAMA (Minoru TANIGAKI) --- 8 Radiation Measurement in East Japan in 2011 After the Fukushima Nuclear Accident (Takumi KUBOTA) --- Part 4 Environmental Radioactivity --- 9 Distribution of Plutonium Isotopes in Marine Sediments Off Japan Before and After the Fukushima Daiichi Nuclear Power Plant Accident: A Review (Jian ZHENG) --- 10 Time Trend Change of Air Dose Rate on Paved Area in Fukushima City After the Fukushima Daiichi Nuclear Power Plant Accident (Shin-ya HOHARA) --- 11 Observation of Radionuclides in Marine Biota off the Coast of Fukushima Prefecture After TEPCO's Fukushima Daiichi Nuclear Power Plant Accident (Tatsuo AONO) --- Part 5 Transfer Models and/or Parameters --- 12 Evaluating Removal of Radionuclides from Landfill Leachate Using Generally Practiced Wastewater Treatment Processes (Nao ISHIKAWA) --- 13 Studies on Radiocesium Transfer in Agricultural Plants in Fukushima Prefecture (Takashi SAITO) --- Part 6 Source Estimation --- 14 Investigation of Uncertainty in the Release Rates of I 131 and Cs 137 from Fukushima Daiichi Nuclear Power Station Estimated from Environmental Data (Shigekazu HIRAO) --- 15 Source Term Estimation of 131I and 137Cs Discharged from the Fukushima Daiichi Nuclear Power Plant into the Atmosphere (Haruyasu NAGAI) --- Part 7 Dose Assessment --- 16 NIRS's Activities for the Reconstruction of Early Internal Exposure in the TEPCO Fukushima Daiichi Nuclear Power Station Accident (Osamu KURIHARA) --- 17 Internal Radiation Dose of KURRI Volunteers Working at Evacuation Shelters After TEPCO's Fukushima Daiichi Nuclear Power Plant Accident (Yuko KINASHI) --- 18 Probabilistic Assessment of Doses to the Public Living in Areas Contaminated by the Fukushima Daiichi Nuclear Power Plant Accident (Shogo TAKAHARA) --- 19 Reduction of External Exposure for Residents Owing to the Fukushima Nuclear Accident by Weathering and Decontamination (Hiroko YOSHIDA)
    Seiten: Online-Ressource (XV, 223 pages) , 81 illustrations, 42 illustrations in color
    ISBN: 9784431545835
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Unbekannt
    Tokyo : Springer
    Schlagwort(e): Environment ; Renewable energy resources ; Energy policy ; Energy and state ; Energy efficiency ; Climate change ; Renewable energy sources ; Alternate energy sources ; Green energy industries ; Environmental engineering ; Biotechnology ; Sustainable development ; Environment ; Sustainable Development ; Energy Policy, Economics and Management ; Energy Efficiency (incl. Buildings) ; Climate Change Management and Policy ; Renewable and Green Energy ; Environmental Engineering/Biotechnology
    Beschreibung / Inhaltsverzeichnis: 1 “Diffusive Demand” and “Creative Demand” --- 2 The 21st Century Paradigm and the Role of Information Technology --- 3 “Vision 2050” as the Rescue of a “Limited Earth” --- 4 Finding a Way Out Through Creative Demand, I --- 5 Finding a Way Out Through Creative Demand, II --- 6 Toward the Realization of a “Platinum Society”
    Seiten: Online-Ressource (XXIX, 103 pages) , 30 illustrations, 29 illustrations in color
    ISBN: 9784431545590
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 11
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Biotechnology ; Marine ecology ; Microbiology
    ISBN: 9783540315490
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 12
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Biochemistry ; Biotechnology ; Human genetics ; Medicine ; Microbiology
    ISBN: 9783540324126
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 13
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Biochemistry ; Biotechnology
    ISBN: 9783540315544
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 14
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Earth sciences ; Climatology ; Physical geography ; Environmental chemistry ; Marine sciences ; Freshwater ; Earth Sciences ; Earth System Sciences ; Environmental Chemistry ; Climatology ; Marine & Freshwater Sciences
    Beschreibung / Inhaltsverzeichnis: Chapter 1: Short-lived trace gases in the surface ocean and the atmosphere --- Chapter 2: Transfer across the air-sea interface --- Chapter 3: Air-sea interactions of natural long-lived greenhouse gases (CO2, N2O, CH4) in a changing climate --- Chapter 4: Ocean-Atmosphere interactions of particles --- Chapter 5: Perspectives and Integration in SOLAS science
    Seiten: Online-Ressource (LI, 315 pages) , 181 illustrations, 162 illustrations in color
    ISBN: 9783642256431
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 15
    Unbekannt
    Tokyo : Springer
    Schlagwort(e): Environment ; Renewable energy resources ; Energy policy ; Energy and state ; Energy efficiency ; Climate change ; Renewable energy sources ; Alternate energy sources ; Green energy industries ; Environmental engineering ; Biotechnology ; Sustainable development ; Environment ; Sustainable Development ; Energy Policy, Economics and Management ; Energy Efficiency (incl. Buildings) ; Climate Change Management and Policy ; Renewable and Green Energy ; Environmental Engineering/Biotechnology
    Beschreibung / Inhaltsverzeichnis: 1 “Diffusive Demand” and “Creative Demand” --- 2 The 21st Century Paradigm and the Role of Information Technology --- 3 “Vision 2050” as the Rescue of a “Limited Earth” --- 4 Finding a Way Out Through Creative Demand, I --- 5 Finding a Way Out Through Creative Demand, II --- 6 Toward the Realization of a “Platinum Society”
    Seiten: Online-Ressource (XXIX, 103 pages) , 30 illustrations, 29 illustrations in color
    ISBN: 9784431545590
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 16
    Schlagwort(e): Earth sciences ; Physical geography ; Environmental management ; Sustainable development ; Earth Sciences ; Earth System Sciences ; Environmental Management ; Sustainable Development
    Beschreibung / Inhaltsverzeichnis: Managing Environmental Risks and Promoting Sustainability: Science Advancement and Leadership Development --- Biodiversity Agriculture Supports Human Populations --- Conservation and Sustainable Management of Soil Biodiversity for Agricultural Productivity --- Conservation Tillage Assessment For Mitigating Greenhouse Gas Emission In Rainfed Agro-Ecosystem --- Improving Biodiversity in Rice Paddy Fields to Promote Land Sustainability --- Agroforestry Models for Promoting Effective Risk Management and Building Sustainable Communities --- Managing Environmental Risks and Promoting Sustainability: Conservation of Forest Resources in Madagascar --- Community-Based Mangrove Forest Management in Thailand: Key Lesson Learned for Environmental Risk Management --- Necessity of Adaptive Risk Management for Fisheries and Wildlife --- Valuation of Non-Marketed Agricultural Ecosystem Services and Food Security in Southeast Asia --- Emerging Socio-Economic and Environmental Issues Affecting Food Security: A Case Study of Silang-Santa Rosa Subwatershed --- Strengthening the Capacity of Flood-Affected Rural Communities in Padang Terap, State of Kedah, Malaysia --- Mitigating Coastal Erosion in Fort Dauphin, Madagascar --- Risk Management of Chemical Pollution: Principles from the Japanese Experience --- Research on the Sod Between Chlorophyll-a and Organic Matter BOD, COD, Phosphorus and Total Nitrogen in Stagnant Lake Basins --- Managing Construction Development Risks to the Environment --- Ecosystem Restoration Using the Near-Natural Method in Shanghai --- Sustainable Management of Urban Green Environments: Challenges and Opportunities --- Environment and Social Capacity Assessment for Sustainability Promotion and Risk Management --- Rural Landscape Conservation in Japan: Lessons from the Satoyama Conservation Program in Kanagawa Prefecture --- Enhancing Students’ Ecological Thinking to Improve Understanding of Environmental Risk --- Interactive Multimedia Education System (IMES) as a International Education Platform
    Seiten: Online-Ressource (XV, 286 pages) , 89 illustrations, 70 illustrations in color
    ISBN: 9784431548041
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 17
    Unbekannt
    Paris : OECD/IEA (Please request login data at the PIK library)
    Schlagwort(e): energy ; energy economics
    Beschreibung / Inhaltsverzeichnis: Does growth in North American oil supply herald a new era of abundance - or does turmoil in parts of the Middle East cloud the horizon? How much can energy efficiency close the competitiveness gap caused by differences in regional energy prices? What considerations should shape decision-making in countries using, pursuing or phasing out nuclear power? How close is the world to using up the available carbon budget, which cannot be exceeded if global warming is to be contained? How can sub-Saharan Africa's energy sector help to unlock a better life for its citizens? Answers to these questions and a host of others are to be found in the pages of World Energy Outlook 2014 (WEO-2014), released on 12 November in London. Bringing together the latest data and policy developments, the WEO-2014 presents up to date projections of energy trends for the first time through to 2040. Oil, natural gas, coal, renewables and energy efficiency are covered, along with updates on trends in energy-related CO2emissions, fossil-fuel and renewable energy subsidies, and universal access to modern energy services.
    Seiten: Online-Ressource (726 Seiten)
    ISBN: 9789264208056
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 18
    Unbekannt
    Warsaw, Berlin : De Gruyter Open
    Schlagwort(e): hydrology ; hydraulics ; oceanography ; meteorology ; environmental sciences
    Beschreibung / Inhaltsverzeichnis: Natural hazards and anthropic activities threaten the human environment. The gathering of field data is needed so as to quantify the impact of such activities. To gather the necessary data researchers nowadays use a great variety of new instruments based on electronics. Yet, the working principles of this new instrumentation might not be well understood by some potential users. All operators of these new tools must gain proper insight so as to be able to judge whether the instrument is selected appropriately and functions adequately. This book attempts to demonstrate some characteristics that are not easy to understand by the uninitiated in the use of electronic instruments. The material presented in this book was prepared with the purpose of reflecting the technological changes that have occurred in environmental modern instrumentation in the last few decades. The book is intended for students of hydrology, hydraulics, oceanography, meteorology and environmental sciences. Basic concepts of electronics, special physics principles and signal processing are introduced in the first chapters in order to enable the reader to follow the topics developed in the book, without any prior knowledge of these matters. The instruments are explained in detail and several examples are introduced to show their measuring limitations. Enough mathematical fundamentals are given to allow the reader to reach a good quantitative knowledge.
    Seiten: Online-Ressource (XXI, 433 Seiten)
    ISBN: 9783110401721
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 19
    Schlagwort(e): energy ; energy economics
    Beschreibung / Inhaltsverzeichnis: Integrating electricity markets across regions is vital both for the integration of renewable energies and to control production and distribution costs. But cross-border electricity trade continues to be perceived as potentially risky to security of electricity supply. In response, this report suggests the need for strong co-ordination of electricity security regulatory frameworks across jurisdictions. Based on the experience of International Energy Agency (IEA) member countries, this paper identifies two ways to integrate markets over wider geographic areas. The straightforward solution is to consolidate markets and system operations. For instance, merging system operators ensures that the same rules for electricity system security apply across all consolidated control areas. When this is not feasible, because of institutional barriers, co-ordinating markets and system operations can be improved One key finding of this report is that the integration of electricity security rules often lags behind integration the integration of markets themselves. This hinders the further developments needed to accommodate renewables. Governments can work together to coordinate electricity security regulations and develop the seamless power markets needed to attain decarbonisation targets.
    Seiten: Online-Ressource (108 Seiten)
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 20
    Schlagwort(e): energy ; energy economics
    Beschreibung / Inhaltsverzeichnis: During 2004, oil prices reached levels unprecedented in recent years. Though world oil markets remain adequately supplied, high oil prices do reflect increasingly uncertain conditions. Many IEA member countries and nonmember countries alike are concerned about oil costs and oil security and are looking for ways to improve their capability to handle market volatility and possible supply disruptions in the future. This book aims to provide assistance.
    Seiten: Online-Ressource (168 Seiten)
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 21
    Schlagwort(e): Environment ; Regional planning ; Urban planning ; Applied ecology ; Wildlife ; Fish ; Climate change ; Nature conservation ; Environment ; Climate Change ; Nature Conservation ; Fish & Wildlife Biology & Management ; Landscape/Regional and Urban Planning ; Applied Ecology
    Beschreibung / Inhaltsverzeichnis: Preface --- Acknowledgements --- Chapter 1 – Natural Heritage at Risk by Climate Change --- Chapter 2 – Climate Change in Central and Eastern Europe --- Chapter 3 – Effects of Climate Change on the Hydrological Cycle in Central and Eastern Europe --- Chapter 4 – Potential impacts of climate change on protected habitats --- Chapter 5 – Climate Change impact modelling cascade - Benefits and limitations for --- Chapter 6 – Indicators for Monitoring Climate Change-Induced Effects on Habitats – a --- Chapter 7 – Remote Sensing-based Monitoring of Potential Climate-induced Impacts on Habitats --- Chapter 8 – Assessment of Climate-induced Impacts on Habitats --- Chapter 9 – Legal Aspects of Climate Change Adaptation --- Chapter 10 – A Methodical Framework for Climate Change-Adapted Management in Protected Areas --- Chapter 11 – Monitoring concept of climate-induced impacts on peat bog vegetation in Pokljuka plateau in Triglav National Park, Slovenia --- Chapter 12 – Concept for the monitoring of climate induced impacts on rock ptarmigan (Lagopus muta) in Triglav National Park, Slovenia --- Chapter 13 – Suggested management measures for Natura 2000 Habitats in Körös-Maros National Park, Hungary --- Chapter 14 – Climate-induced challenges for wetlands: revealing the background for the adaptive ecosystem management in the Biebrza Valley, Poland --- Chapter 15 – Habitat changes caused by sea level rise, driven by climate change in the Northern Adriatic coastal wetlands, Slovenia --- Chapter 16 – Potential impacts of climate change on forest habitats in the Biosphere Reserve Vessertal-Thuringian Forest in Germany --- Chapter 17 – Potential Impact of Climate Change on Alpine Habitats from Bucegi Natural Park, Romania --- Chapter 18 – Potential Impacts of Climate Change on Habitats and their Effects on Invasive Plant Species in Danube Delta Biosphere Reserve, Romania --- Chapter 19 - Reproduction biology of an alien invasive plant: a case of drought-tolerant Aster squamatus on the Northern Adriatic seacoast, Slovenia --- Chapter 20 – Conclusions and Recommendations for Adapting Conservation Management in the Face of Climate Change --- Index
    Seiten: Online-Ressource (XXV, 308 pages) , 77 illustrations, 33 illustrations in color
    ISBN: 9789400779600
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 22
    Schlagwort(e): energy ; energy economics
    Beschreibung / Inhaltsverzeichnis: The International Energy Agency (IEA) considers carbon capture and storage (CCS) a crucial part of efforts to limit global warming by reducing greenhouse-gas emissions. The IEA estimates that carbon dioxide emissions could be reduced to a level that would limit long‐term global temperature increases to 2°C through broad deployment of low‐carbon energy technologies, including CCS. In the IEA’s Energy Technology Perspectives 2012 2°C Scenario (2DS), CCS contributes about one‐seventh of cumulative emissions reductions from a business‐as-usual scenario through 2050. Achieving this contribution requires appropriate policy frameworks to both promote demonstration and deployment of CCS and ensure it is undertaken in a safe and environmentally responsible manner. The IEA Carbon Capture and Storage Legal and Regulatory Review aims to help countries develop their own regulatory frameworks by documenting and analysing recent CCS legal and regulatory developments from around the world. It was first published in 2010, and a new edition is released annually to provide an up‐to‐date snapshot of global CCS regulatory developments. Each edition includes short contributions from national, regional, state and provincial governments that review recent and anticipated CCS regulatory developments and highlight a particular, pre-nominated regulatory theme. To introduce each edition, the IEA provides a brief analysis of key advances and trends, based on the contributions submitted. The theme for this fourth edition of the CCS Review is policy measures to promote CCS demonstration and deployment. Other issues that have been highlighted include storage assessment and the Alberta Regulator Framework Assessment (RFA) process. Contributions from 22 governments and 6 international CCS organisations are presented in the fourth edition.
    Seiten: Online-Ressource (88 Seiten)
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 23
    Schlagwort(e): global warming ; climatic changes ; Australia
    Beschreibung / Inhaltsverzeichnis: 1988: coming to grips with a terrifying global experiment. The Toronto conference statement made it clear that climate change would affect everyone. It called greenhouse gas atmospheric pollution an ‘uncontrolled, globally pervasive experiment whose ultimate consequences could be second only to nuclear war’. World governments were urged to swiftly develop emission reduction targets (The changing atmosphere: implications for global security, 1988). Relevant to both Australian and overseas audiences, here is the untold story of how Australia buried its knowledge on climate change science and response options during the 1990s — going from clarity to confusion and doubt after arguably leading the world in citizen understanding and a political will to act in the late 1980s. ‘What happened and why’ is a fascinating exploration drawing on the public record of how a society revised its good understanding on a critical issue affecting every citizen. It happened through political and media communication, regardless of international scientific assessments that have remained consistent in ascribing causes and risks since 1990. How could this happen? The author examines the major influences, with lessons for the present, on how the story was reframed. Key have been values and beliefs, including economic beliefs, that trumped the science, the ability of changing political leaders and the mass media to set the story for the public, as well as the role of scientists’ own communication over time and the use and misuse of uncertainty.
    Seiten: Online-Ressource (XIV, 215 Seiten)
    ISBN: 9781925021912
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 24
    Unbekannt
    Cheltenham : Edgar Elger
    Schlagwort(e): environment ; ecological economics ; politics and public policy ; environmental governance and regulation
    Beschreibung / Inhaltsverzeichnis: The dynamism of science has been catalytic for human prosperity in recent history. Conventional perspectives of the ivory tower model of modern science are, however, rivalled by the failure of humanity to tackle global crises of an economic, environmental and social nature. Operational solutions to these pressures have grown and exposed pitfalls of modern science to date. Sustainability Science for Strong Sustainability investigates core concepts, tools and institutional strategies of transdisciplinary sustainability science. Prominent research programs within heterodox economics, the environmental sciences and transition theory are explored through diverse case studies, revealing challenges and advancements for transdisciplinary research. In this book, the reform of modern science is facilitated by the consideration of action points to overcome the institutional barriers of putting sustainability science into practice. Researchers, students and policy practitioners will benefit from up to date knowledge on the practice of transdisciplinary research for sustainability.
    Seiten: Online-Ressource (X, 167 Seiten)
    ISBN: 9781783474561
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 25
    Schlagwort(e): Environment ; Agriculture ; Ecosystems ; Sustainable development ; Sociology ; Human geography ; Sex (Psychology) ; Gender expression ; Gender identity ; Environment ; Sustainable Development ; Agriculture ; Gender Studies ; Ecosystems ; Human Geography
    Beschreibung / Inhaltsverzeichnis: PART I: Ester Boserup’s Intellectual Heritage --- 1. Ester Boserup: An Interdisciplinary Visionary Relevant for Sustainability --- 2. “Finding Out Is My Life”: Conversations with Ester Boserup in the 1990s --- 3. Boserup’s Theory on Technological Change as a Point of Departure for the Theory of Sociometabolic Regime Transition --- PART II Land Use, Technology and Agriculture --- 4. The Dwindling Role of Population Pressure in Land Use Change – a Case from the South West Pacific --- 5. Conceptual and Empirical Approaches to Mapping and Quantifying Land-Use Intensity --- 6. Malthusian Assumptions, Boserupian Response in Transition to Agriculture Models --- 7. Reconciling Boserup with Malthus: Agrarian Change and Soil Degradation in Olive Orchards in Spain (1750-2000) --- 8. Beyond Boserup: The Role of Working Time in Agricultural Development --- PART III: Population and Gender --- 9. Following Boserup’s Traces: From Invisibility to Informalisation of Women’s Economy to Engendering Development in Translocal Spaces --- 10. Daughters of the Hills: Gendered Agricultural Production, Modernisation, and Declining Child Sex Ratios in the Indian Central Himalayas --- 11. Revisiting Boserup’s Hypotheses in the Context of Africa --- 12. An Interpretation of Large-Scale Land Deals Using Boserup’s Theories of Agricultural Intensification, Gender and Rural Development --- 13. Labour Migration and Gendered Agricultural Asset Shifts in Southeastern Mexico: Two Stories of Farming Wives and Daughters --- 14. Working Time of Farm Women and Small-Scale Sustainable Farming in Austria --- 15. A Human Ecological Approach to Ester Boserup: Steps Towards Engendering Agriculture and Rural Development --- 16. Conclusions: Re-Evaluating Boserup in the Light of the Contributions to this Volume
    Seiten: Online-Ressource (XXV, 267 pages) , 44 illustrations, 22 illustrations in color
    ISBN: 9789401786782
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 26
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Earth sciences ; Climatology ; Physical geography ; Environmental chemistry ; Marine sciences ; Freshwater ; Earth Sciences ; Earth System Sciences ; Environmental Chemistry ; Climatology ; Marine & Freshwater Sciences
    Beschreibung / Inhaltsverzeichnis: Chapter 1: Short-lived trace gases in the surface ocean and the atmosphere --- Chapter 2: Transfer across the air-sea interface --- Chapter 3: Air-sea interactions of natural long-lived greenhouse gases (CO2, N2O, CH4) in a changing climate --- Chapter 4: Ocean-Atmosphere interactions of particles --- Chapter 5: Perspectives and Integration in SOLAS science
    Seiten: Online-Ressource (LI, 315 pages) , 181 illustrations, 162 illustrations in color
    ISBN: 9783642256431
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 27
    Schlagwort(e): Environment ; Environmental management ; Ecotoxicology ; Waste management ; Environment ; Ecotoxicology ; Environmental Management ; Waste Management/Waste Technology
    Beschreibung / Inhaltsverzeichnis: Preface --- Foreword by Keith Solomon and John Giesy --- Foreword by Coordinating Board of Editors --- Ecological Risk Assessment for Chlorpyrifos in Terrestrial and Aquatic Systems in The United States – Overview and Conclusions --- Properties and Uses of Chlorpyrifos in the United States --- Fate in the Environment and Long-Range Atmospheric Transport of the Organophosphorus Insecticide, Chlorpyrifos and its Oxon in the United States --- Exposures of Aquatic Organisms to the Organophosphorus Insecticide, Chlorpyrifos Resulting from Use in the United States --- Risks to Aquatic Organisms from Use of Chlorpyrifos in the United States --- Refined Avian Risk Assessment for Chlorpyrifos in the United States --- Risk to Pollinators from the Use of Chlorpyrifos in the United States --- Index
    Seiten: Online-Ressource (XVI, 269 pages) , 40 illustrations
    ISBN: 9783319038650
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 28
    Schlagwort(e): Social sciences ; Public law ; Human rights ; International humanitarian law ; Anthropology ; Sociology ; Emigration and immigration ; Sex (Psychology) ; Gender expression ; Gender identity ; Social Sciences ; Gender Studies ; Migration ; International Humanitarian Law, Law of Armed Conflict ; Human Rights ; Anthropology ; Public Law
    Beschreibung / Inhaltsverzeichnis: Section I: Introduction – migration, gender and social justice: the research and policy agendas --- Section II: Transformation of social reproduction systems and migration: local-global interactions --- Section III: The state and female internal migration: Rights and livelihood security --- Section IV: Complexity of gender: embodiment and intersectionality --- Section V: Liminal legality, citizenship and migrant rights mobilization --- Section VI: Conclusion – the complexities of migration research-policy interactions --- Annex A - Portfolio of Migration Projects, 2006-2009 (21 May 2009) --- Women’s Rights and Citizenship Program --- Annex B - Profile of the Editors
    Seiten: Online-Ressource (XII, 408 pages) , 20 illustrations
    ISBN: 9783642280122
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 29
    Unbekannt
    Paris : OECD/IEA
    Schlagwort(e): energy ; energy economics
    Beschreibung / Inhaltsverzeichnis: This year's edition of this key source for global energy statistics, projections and analysis focuses on trends and developments in the major oil and gas producing countries of the Middle East and North Africa (MENA) region, in order to assess whether energy production from this region will increase sufficiently to satisfy global demand. In addition to providing updated projections of world energy demand and supply to 2030, the publication analyses regional trends for oil, natural gas, electricity and water desalination with dedicated chapters on Algeria, Egypt, Iran, Iraq, Kuwait, Libya, Qatar, Saudi Arabia, and the United Arab Emirates. It also includes a 'deferred investment scenario' setting out an analysis of how global energy markets might evolve in a changed investment situation; an in-depth analysis of the global refining industry; and a review of the MENA power and water desalination sectors.
    Seiten: Online-Ressource (629 Seiten)
    ISBN: 9264109498
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 30
    Unbekannt
    Tokyo : Springer
    Schlagwort(e): Environment ; Nuclear energy ; Nuclear chemistry ; Radiation protection ; Radiation ; Safety measures ; Environmental health ; Water pollution ; Environment ; Effects of Radiation/Radiation Protection ; Environmental Health ; Nuclear Energy ; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution ; Nuclear Chemistry
    Beschreibung / Inhaltsverzeichnis: Part 1 Introduction --- 1 Outline of the Environmental Monitoring of TEPCO's Fukushima Daiichi Nuclear Power Plant Accident (Tomoyuki TAKAHASHI) --- 2 Outline of the Radiation Dose Estimation of Residents After the Fukushima Daiichi Nuclear Power Plant Accident (Sentaro TAKAHASHI) --- Part 2 Overview --- 3 Accident of Fukushima Daiichi Nuclear Power Plant: Sequences, FP Released, Lessons Learned (Jun SUGIMOTO) --- 4 Some Comments on Dose Assessment for Members of the Public After the Fukushima Daiichi Nuclear Power Plant Accident (Jiro INABA) --- Part 3 Radiation Survey of the Environment --- 5 Environmental Radiation Status in and Around Tokyo Immediately After the TEPCO Fukushima Daiichi Nuclear Power Plant Disaster (Takeshi IIMOTO) --- 6 Radiation Survey Along Two Trails in Mt. Fuji to Investigate the Radioactive Contamination Due to TEPCO's Fukushima Daiichi Nuclear Plant Accident (Kazuaki YAJIMA) --- 7 Development of a Carborne Survey System, KURAMA (Minoru TANIGAKI) --- 8 Radiation Measurement in East Japan in 2011 After the Fukushima Nuclear Accident (Takumi KUBOTA) --- Part 4 Environmental Radioactivity --- 9 Distribution of Plutonium Isotopes in Marine Sediments Off Japan Before and After the Fukushima Daiichi Nuclear Power Plant Accident: A Review (Jian ZHENG) --- 10 Time Trend Change of Air Dose Rate on Paved Area in Fukushima City After the Fukushima Daiichi Nuclear Power Plant Accident (Shin-ya HOHARA) --- 11 Observation of Radionuclides in Marine Biota off the Coast of Fukushima Prefecture After TEPCO's Fukushima Daiichi Nuclear Power Plant Accident (Tatsuo AONO) --- Part 5 Transfer Models and/or Parameters --- 12 Evaluating Removal of Radionuclides from Landfill Leachate Using Generally Practiced Wastewater Treatment Processes (Nao ISHIKAWA) --- 13 Studies on Radiocesium Transfer in Agricultural Plants in Fukushima Prefecture (Takashi SAITO) --- Part 6 Source Estimation --- 14 Investigation of Uncertainty in the Release Rates of I 131 and Cs 137 from Fukushima Daiichi Nuclear Power Station Estimated from Environmental Data (Shigekazu HIRAO) --- 15 Source Term Estimation of 131I and 137Cs Discharged from the Fukushima Daiichi Nuclear Power Plant into the Atmosphere (Haruyasu NAGAI) --- Part 7 Dose Assessment --- 16 NIRS's Activities for the Reconstruction of Early Internal Exposure in the TEPCO Fukushima Daiichi Nuclear Power Station Accident (Osamu KURIHARA) --- 17 Internal Radiation Dose of KURRI Volunteers Working at Evacuation Shelters After TEPCO's Fukushima Daiichi Nuclear Power Plant Accident (Yuko KINASHI) --- 18 Probabilistic Assessment of Doses to the Public Living in Areas Contaminated by the Fukushima Daiichi Nuclear Power Plant Accident (Shogo TAKAHARA) --- 19 Reduction of External Exposure for Residents Owing to the Fukushima Nuclear Accident by Weathering and Decontamination (Hiroko YOSHIDA)
    Seiten: Online-Ressource (XV, 223 pages) , 81 illustrations, 42 illustrations in color
    ISBN: 9784431545835
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 31
    Unbekannt
    Calgary : University of Calgary Press
    Schlagwort(e): Petropolitics ; Alberta ; Canada ; Environmental Sciences ; Environmental Engineering
    Beschreibung / Inhaltsverzeichnis: Petropolitics explores the complex interplay between the economic realities of producing energy for a global market and the role of government in regulating and structuring the extraction, production, and delivery of petroleum products. This study approaches the economic history of the petroleum industry in Alberta within the framework of economic development and public policy analysis. It provides a detailed examination of the operation of the markets for Alberta oil and natural gas and the use of governmental regulations to balance and support economic development. The analytical tools used within this case study are applicable to oil and gas industries throughout the world and would be of interest to anyone studying comparative petroleum policies.
    Seiten: Online-Ressource (XX, 492 Seiten)
    ISBN: 9781552385418
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 32
    Schlagwort(e): Environment ; Agriculture ; Ecosystems ; Sustainable development ; Sociology ; Human geography ; Sex (Psychology) ; Gender expression ; Gender identity ; Environment ; Sustainable Development ; Agriculture ; Gender Studies ; Ecosystems ; Human Geography
    Beschreibung / Inhaltsverzeichnis: PART I: Ester Boserup’s Intellectual Heritage --- 1. Ester Boserup: An Interdisciplinary Visionary Relevant for Sustainability --- 2. “Finding Out Is My Life”: Conversations with Ester Boserup in the 1990s --- 3. Boserup’s Theory on Technological Change as a Point of Departure for the Theory of Sociometabolic Regime Transition --- PART II Land Use, Technology and Agriculture --- 4. The Dwindling Role of Population Pressure in Land Use Change – a Case from the South West Pacific --- 5. Conceptual and Empirical Approaches to Mapping and Quantifying Land-Use Intensity --- 6. Malthusian Assumptions, Boserupian Response in Transition to Agriculture Models --- 7. Reconciling Boserup with Malthus: Agrarian Change and Soil Degradation in Olive Orchards in Spain (1750-2000) --- 8. Beyond Boserup: The Role of Working Time in Agricultural Development --- PART III: Population and Gender --- 9. Following Boserup’s Traces: From Invisibility to Informalisation of Women’s Economy to Engendering Development in Translocal Spaces --- 10. Daughters of the Hills: Gendered Agricultural Production, Modernisation, and Declining Child Sex Ratios in the Indian Central Himalayas --- 11. Revisiting Boserup’s Hypotheses in the Context of Africa --- 12. An Interpretation of Large-Scale Land Deals Using Boserup’s Theories of Agricultural Intensification, Gender and Rural Development --- 13. Labour Migration and Gendered Agricultural Asset Shifts in Southeastern Mexico: Two Stories of Farming Wives and Daughters --- 14. Working Time of Farm Women and Small-Scale Sustainable Farming in Austria --- 15. A Human Ecological Approach to Ester Boserup: Steps Towards Engendering Agriculture and Rural Development --- 16. Conclusions: Re-Evaluating Boserup in the Light of the Contributions to this Volume
    Seiten: Online-Ressource (XXV, 267 pages) , 44 illustrations, 22 illustrations in color
    ISBN: 9789401786782
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 33
    Schlagwort(e): Social sciences ; Public law ; Human rights ; International humanitarian law ; Anthropology ; Sociology ; Emigration and immigration ; Sex (Psychology) ; Gender expression ; Gender identity ; Social Sciences ; Gender Studies ; Migration ; International Humanitarian Law, Law of Armed Conflict ; Human Rights ; Anthropology ; Public Law
    Beschreibung / Inhaltsverzeichnis: Section I: Introduction – migration, gender and social justice: the research and policy agendas --- Section II: Transformation of social reproduction systems and migration: local-global interactions --- Section III: The state and female internal migration: Rights and livelihood security --- Section IV: Complexity of gender: embodiment and intersectionality --- Section V: Liminal legality, citizenship and migrant rights mobilization --- Section VI: Conclusion – the complexities of migration research-policy interactions --- Annex A - Portfolio of Migration Projects, 2006-2009 (21 May 2009) --- Women’s Rights and Citizenship Program --- Annex B - Profile of the Editors
    Seiten: Online-Ressource (XII, 408 pages) , 20 illustrations
    ISBN: 9783642280122
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 34
    Schlagwort(e): Environment ; Environmental law ; Environmental policy ; Social policy ; Environmental economics ; Environment ; Environment, general ; Environmental Law/Policy/Ecojustice ; Environmental Economics ; Social Policy
    Beschreibung / Inhaltsverzeichnis: 1 Marginality—An Overview and Implications for Policy --- Part 1 Concepts and Theory --- 2 Marginality—A Framework for Analyzing Causal Complexities of Poverty --- 3 Exclusion and Initiatives to “Include”: Revisiting Basic Economics to Guide Development Practice --- 4 Marginality from a Socio-ecological Perspective --- Part 2 Dimensions and Prevalence of Marginality --- 5 Mapping Marginality Hotspots --- 6 The Poorest: Who and Where They Are --- 7 Targeting the Poorest and Most Vulnerable: Examples from Bangladesh --- 8 Correlates of Extreme Poverty in Rural Ethiopia --- 9 Examining the Circle of Attachment, Trauma, Shame, and Marginalization: the Unheard Voices of Young Kutchi Girls --- Part 3 Environmental Drivers of Marginality --- 10 Poverty, Agriculture and the Environment: the Case of Sub-Saharan Africa --- 11 The Marginal Poor and their Dependence on Ecosystem Services: Evidence from South Asia and Sub-Saharan Africa --- 12 Land Degradation, Poverty, and Marginality --- Part 4     Experiencing Marginality in Africa and Asia --- 13 Tackling Social Exclusion and Marginality for Poverty Reduction: Indian Experiences --- 14 Consumption Behavior of the Poorest and Policy Implications in Indonesia --- 15 Addressing Extreme Poverty and Marginality: Experiences in Rural China --- 16 Experiences in Targeting the Poorest: a Case Study from Bangladesh --- 17 Rural Poverty and Marginalization in Ethiopia: a Review of Development Interventions --- Part 5 Responses to Marginality at Different Levels: State, Business, and Community --- 18 Macro, Fiscal, and Decentralization Options to Address Marginality and Reach the Extremely Poor --- 19 Social Protection, Marginality, and Extreme Poverty: Just Give Money to the Poor --- 20 Innovative Business Approaches for the Reduction of Extreme Poverty and Marginality --- 21 Business Initiatives that Overcome Rural Poverty and Marginality Through Creating Shared Value --- 22 The Marginalized and Poorest in Different Communities and Settings of Ethiopia
    Seiten: Online-Ressource (XVII, 389 pages)
    ISBN: 9789400770614
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 35
    Unbekannt
    Cheltenham Glos : Edward Elgar
    Schlagwort(e): Environmental Governance ; Regulation ; Ecological Economics
    Beschreibung / Inhaltsverzeichnis: The dynamism of science has been catalytic for human prosperity in recent history. Conventional perspectives of the ivory tower model of modern science are, however, rivalled by the failure of humanity to tackle global crises of an economic, environmental and social nature. Operational solutions to these pressures have grown and exposed pitfalls of modern science to date. Sustainability Science for Strong Sustainability investigates core concepts, tools and institutional strategies of transdisciplinary sustainability science. Prominent research programs within heterodox economics, the environmental sciences and transition theory are explored through diverse case studies, revealing challenges and advancements for transdisciplinary research. In this book, the reform of modern science is facilitated by the consideration of action points to overcome the institutional barriers of putting sustainability science into practice. Researchers, students and policy practitioners will benefit from up to date knowledge on the practice of transdisciplinary research for sustainability.
    Seiten: Online-Ressource (176 Seiten)
    ISBN: 9781783474561
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 36
    Schlagwort(e): energy ; energy economics
    Beschreibung / Inhaltsverzeichnis: This book describes why temporary shortages of electricity supplies occur even in the wealthiest countries with the most sophisticated electricity networks. Most shortages are local and minor and easily addressed. But, in other cases, the shortages persist for days, weeks, or even years and involve millions of people, and this is the target of this book. The reasons for these shortages are incredibly diverse: from forest fires to safety problems at power stations, from problems in electricity market liberalisation to heat or cold waves. These events can happen anywhere – and they do! The results are blackouts, brownouts and other curtailments on electricity consumption.
    Seiten: Online-Ressource (168 Seiten)
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 37
    Unbekannt
    Bozen/Bolzano : Bozen-Bolzano University Press
    Schlagwort(e): environment ; biomass ; project ; research ; ecosystem ; purification ; reed ; resource ; Asia ; energy ; development
    Beschreibung / Inhaltsverzeichnis: This book depicts the results of a research project in northern China, where an international and interdisciplinary team of researchers from Italy, Germany and China has applied a broad range of methodology in order to answer basic and applied research questions and derive comprehensive recommendations for sustainable water management and wetland restoration. The project primarily focused on ecosystem services, e.g. the purification of water and biomass production. In particular, the ecosystem function and use of reed (Phragmites australis) and the perception as well as the value of water as a resource for Central Asia's multicultural societies was analysed.
    Seiten: Online-Ressource (XII, 242 Seiten)
    ISBN: 9788860460691
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 38
    Unbekannt
    Cham : Springer
    Schlagwort(e): Engineering ; Natural disasters ; Geotechnical engineering ; Civil engineering ; Engineering ; Civil Engineering ; Natural Hazards ; Geotechnical Engineering & Applied Earth Sciences
    Beschreibung / Inhaltsverzeichnis: Preface --- 1. The Full-Scale Laboratory: The Practice of Post-Earthquake Reconnaissance Missions and Their Contribution to Earthquake Engineering --- 2. Rapid Earthquake Loss Assessment after Damaging Earthquakes --- 3. Existing Buildings: The New Italian Provisions for Probabilistic Seismic Assessment --- 4. Seismic Response of Precast Industrial Buildings --- 5. The Role of Site Effects at The Boundary Between Seismology and Engineering: Lessons from Recent Earthquakes --- 6. Seismic Analysis and Design of Bridges with an Emphasis to Eurocode Standards --- 7. From Performance- and Displacement-Based Assessment of Existing Buildings per EN1998-3 to Design of New Concrete Structures in Fib MC2010 --- 8. Testing Historic Masonry Structural Elements and/or Building Models --- 9. Earthquake Risk Reduction: From Scenario Simulators Including Systemic Interdependency to Impact Indicators --- 10. Physics-Based Earthquake Ground Shaking Scenarios in Large Urban Areas --- 11. A Seismic Performance Classification Framework to Provide Increased Seismic Resilience --- 12. Towards Displacement-Based Seismic Design of Modern Unreinforced Masonry Structures --- 13. Pushover Analysis for Plan Irregular Building Structures --- 14. Recent Development and Application of Seismic Isolation and Energy Dissipation and Conditions for Their Correct Use --- 15. Conservation Principles and Performance-Based Strengthening of Heritage Buildings in Post-Event Reconstruction --- 16. Earthquake Risk Assessment: Present Shortcomings and Future Directions --- 17. The Role of Pile Diameter on Earthquake-Induced Bending --- 18. Predictive Models for Earthquake Response of Clay and Quick Clay Slopes.- 19. Recent Advances in Seismic Soil Liquefaction Engineering --- 20. Seismic Hazard and Seismic Design and Safety Aspects of Large Dam Projects
    Seiten: Online-Ressource (VIII, 650 pages) , 373 illustrations, 263 illustrations in color
    ISBN: 9783319071183
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 39
    Unbekannt
    Berlin, Heidelberg : Springer
    Schlagwort(e): Analytical biochemistry ; Biochemistry ; Biotechnology ; Microscopy
    ISBN: 9783540315452
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 40
    Seiten: Online-Ressource (517-1103, I1-I28 Seiten)
    ISBN: 9780444511454
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 41
    Schlagwort(e): Environment ; Environmental management ; Ecotoxicology ; Waste management ; Environment ; Ecotoxicology ; Environmental Management ; Waste Management/Waste Technology
    Beschreibung / Inhaltsverzeichnis: Preface --- Foreword by Keith Solomon and John Giesy --- Foreword by Coordinating Board of Editors --- Ecological Risk Assessment for Chlorpyrifos in Terrestrial and Aquatic Systems in The United States – Overview and Conclusions --- Properties and Uses of Chlorpyrifos in the United States --- Fate in the Environment and Long-Range Atmospheric Transport of the Organophosphorus Insecticide, Chlorpyrifos and its Oxon in the United States --- Exposures of Aquatic Organisms to the Organophosphorus Insecticide, Chlorpyrifos Resulting from Use in the United States --- Risks to Aquatic Organisms from Use of Chlorpyrifos in the United States --- Refined Avian Risk Assessment for Chlorpyrifos in the United States --- Risk to Pollinators from the Use of Chlorpyrifos in the United States --- Index
    Seiten: Online-Ressource (XVI, 269 pages) , 40 illustrations
    ISBN: 9783319038650
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 42
    Unbekannt
    Paris : OECD/IEA (Please request login data at the PIK library)
    Schlagwort(e): energy ; energy economics
    Beschreibung / Inhaltsverzeichnis: Starting from the premise that electricity will be an increasingly important vector in energy systems of the future, Energy Technology Perspectives 2014 (ETP 2014) takes a deep dive into actions needed to support deployment of sustainable options for generation, distribution and consumption. In addition to modelling the global outlook to 2050 under different scenarios for more than 500 technology options, ETP 2014 explores the possibility of “pushing the limits” in six key areas: - Solar Power: Possibly the Dominant Source by 2050 - Natural Gas in Low-Carbon Electricity Systems - Electrifying Transport: How Can E-mobility Replace Oil? - Electricity Storage: Costs, Value and Competitiveness - Attracting Finance for Low-Carbon Generation - Power Generation in India Since it was first published in 2006, ETP has evolved into a suite of publications that sets out pathways to a sustainable energy future in which optimal policy support and technology choices are driven by economics, energy security and environmental factors. - Topic-specific books and papers explore particularly timely subjects or cross-cutting challenges. - Tracking Clean Energy Progress provides a yearly snapshot of advances in diverse areas, while also showing the interplay among technologies. - Supported by the ETP analysis, IEA Technology Roadmaps assess the potential for transformation across various technology areas, and outline actions and milestones for deployment. Collectively, this series lays out the wide range of necessary and achievable steps that can be taken in the near and medium terms to set the stage for long-term energy policy objectives, clearly identifying the roles of energy sector players, policy makers and industry. Next editions will examine the role of technology innovation to meet climate goals (2015) and urban energy systems (2016). Who will benefit from using ETP 2014? Past experience shows that ETP publications attract wide and varied audiences, including experts in the energy field (e.g. technology analysts and academics), policy makers and heads of governments, as well as business leaders and investors. This reflects the value of the series’ detailed and transparent quantitative modelling analysis and well–rounded commentary, which ultimately support high-level policy messages.
    Seiten: Online-Ressource (382 Seiten)
    ISBN: 9789264208001
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 43
    Seiten: Online-Ressource (1105-1618, I1-I26 Seiten)
    ISBN: 9780444511461
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 44
    Schlagwort(e): land management ; Amazonia ; global change
    Beschreibung / Inhaltsverzeichnis: The Carbiocial Project investigates viable carbon-optimized land management strategies for maintaining tropical ecosystem services under land use change and changing climate conditions in Southern Amazonia – a hotspot of global change. The project aims at understanding the vital natural processes and socio-economic driving forces in the region and develops strategies to enhance and protect carbon stocks in the recently deforested agroscapes of Central/Northern Mato Grosso and South Pará. That is why Carbiocial analyzes and models soil, water and climate as well as agro-economics, social and political transformations. Based on detailed storylines, the project aims at identifying possible entry-points for a necessary change in local and regional production patterns, considering local livelihoods as well as the present national and global economic, legal and political situation. This book gives an overview of the first results of the multi-disciplinary Carbiocial Project by publishing the main presentations, held on the Carbiocial Status Conference, on October 7-8, 2013, in Cuiabá. In sixteen chapters the authors elucidate the project‘s current state of knowledge, illustrating adapted methods for regional modeling and promising strategies for the Amazon development. | Contents --- Stefan Hohnwald & Gerhard Gerold: Carbon-Optimized Land Management Research for the Southern Amazon-Geographical and Organizational Settings of the Carbiocial-Carbioma Project Consortium --- Philip M. Fearnside, Aurora M. Yanai & Claudia S. M. N. Vitel: Modeling Baselines for REDD Projects in Amazonia: Is the Carbon Real? --- Jens Boy, Charlotte Schumann, Simone Strey, Robert Strey, Georg Guggenberger & Regine Schönenberg: Digging Deeper – Biographic Interviews as a Promising Tool for the Joint Dissemination of Natural- and Social Science Results in REDD Contexts --- Carlos E. P. Cerri, Thalita F. Abbruzzini, Carolina B. Brandani, Mariana R. Durigan & Denise Signor: Soil Carbon Stocks and Greenhouse Gas Emissions from Agrosystems in Brazil --- Karl M. Wantzen, Malte Unger, Eduardo G. Couto, Ricardo S. S. Amorim, Karina P. Peña & Ulrich Irmler: Carbon Farming: Enriching Tropical Farm Soils with Organic Matter --- Alphonce C. Guzha, Ricardo S. S. Amorim, Rodolfo Nóbrega, Gabriele Lamparter, Kristof Kovacs, Norma Bertão & Gerhard Gerold: Impacts of Land Cover and Climate Change on Hydrology and Hydrochemistry in Selected Catchments in Southern Amazonia: Preliminary Analysis and Results --- Marcus Schindewolf, Daniela Schönke, Ricardo S. S. Amorim & Jürgen Schmidt: Effects of Contour Banks and No-Till Measures on Run-Off and Sediment Yield in Campo Verde Region, Mato Grosso --- Alessandra R. Gomes, César G. Diniz & Cláudio A. Almeida: Amazon Regional Center (INPE/CRA) Actions for Brazilian Amazon Forest: TerraClass and Capacity Building Projects --- Patrick Hostert, Tobia Lakes, Hannes Müller, Florian Gollnow & Letícia B. V. Hissa: Land-Use Monitoring and Change Detection --- Jürgen Böhner, Helge Dietrich, Klaus Fraedrich, Tobias Kawohl, Markus Kilian, Valerio Lucarini & Frank Lunkeit: Development and Implementation of a Hierarchical Model Chain for Modelling Regional Climate Variability and Climate Change Over Southern Amazonia --- Claas Nendel, Hermann Jungkunst & Adriano M. R. Figueiredo: Intercol and Steps Towards a Simplified DSS --- Neli A. de Mello-Théry & Paulo R. Cunha: Environmental Policies and Forest Code: Changes and Repercussions on the Agriculture in Mato Grosso --- Regine Schönenberg, Korbinian Hartberger & Charlotte Schumann: Challenges and Chances of Social Transformation for GHG-Optimized Land- and Natural Resource Management Strategies: Stakeholder-Dialogues as Prerequisite for the Elaboration of Applicable Results --- José H. Benatti & Luly R. da Cunha Fischer: Land Use Regulations in the State of Pará: An Introductory Approach of Its Guidelines --- Martin Coy, Michael Klingler, Matthias Siebold & Thomas Berger: Socio-Economic Regional Change and Agro-Economic Development Along the BR-163 --- Edna Castro: Deforestation Along the BR-163: Socio-Environmental Conflicts and Ignored Governmental Politics
    Seiten: Online-Ressource (174 Seiten)
    ISBN: 9783863951382
    Sprache: Englisch
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  • 45
    Schlagwort(e): Earth sciences ; Physical geography ; Environmental management ; Sustainable development ; Earth Sciences ; Earth System Sciences ; Environmental Management ; Sustainable Development
    Beschreibung / Inhaltsverzeichnis: Managing Environmental Risks and Promoting Sustainability: Science Advancement and Leadership Development --- Biodiversity Agriculture Supports Human Populations --- Conservation and Sustainable Management of Soil Biodiversity for Agricultural Productivity --- Conservation Tillage Assessment For Mitigating Greenhouse Gas Emission In Rainfed Agro-Ecosystem --- Improving Biodiversity in Rice Paddy Fields to Promote Land Sustainability --- Agroforestry Models for Promoting Effective Risk Management and Building Sustainable Communities --- Managing Environmental Risks and Promoting Sustainability: Conservation of Forest Resources in Madagascar --- Community-Based Mangrove Forest Management in Thailand: Key Lesson Learned for Environmental Risk Management --- Necessity of Adaptive Risk Management for Fisheries and Wildlife --- Valuation of Non-Marketed Agricultural Ecosystem Services and Food Security in Southeast Asia --- Emerging Socio-Economic and Environmental Issues Affecting Food Security: A Case Study of Silang-Santa Rosa Subwatershed --- Strengthening the Capacity of Flood-Affected Rural Communities in Padang Terap, State of Kedah, Malaysia --- Mitigating Coastal Erosion in Fort Dauphin, Madagascar --- Risk Management of Chemical Pollution: Principles from the Japanese Experience --- Research on the Sod Between Chlorophyll-a and Organic Matter BOD, COD, Phosphorus and Total Nitrogen in Stagnant Lake Basins --- Managing Construction Development Risks to the Environment --- Ecosystem Restoration Using the Near-Natural Method in Shanghai --- Sustainable Management of Urban Green Environments: Challenges and Opportunities --- Environment and Social Capacity Assessment for Sustainability Promotion and Risk Management --- Rural Landscape Conservation in Japan: Lessons from the Satoyama Conservation Program in Kanagawa Prefecture --- Enhancing Students’ Ecological Thinking to Improve Understanding of Environmental Risk --- Interactive Multimedia Education System (IMES) as a International Education Platform
    Seiten: Online-Ressource (XV, 286 pages) , 89 illustrations, 70 illustrations in color
    ISBN: 9784431548041
    Sprache: Englisch
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  • 46
    Schlagwort(e): Environment ; Environmental law ; Environmental policy ; Social policy ; Environmental economics ; Environment ; Environment, general ; Environmental Law/Policy/Ecojustice ; Environmental Economics ; Social Policy
    Beschreibung / Inhaltsverzeichnis: 1 Marginality—An Overview and Implications for Policy --- Part 1 Concepts and Theory --- 2 Marginality—A Framework for Analyzing Causal Complexities of Poverty --- 3 Exclusion and Initiatives to “Include”: Revisiting Basic Economics to Guide Development Practice --- 4 Marginality from a Socio-ecological Perspective --- Part 2 Dimensions and Prevalence of Marginality --- 5 Mapping Marginality Hotspots --- 6 The Poorest: Who and Where They Are --- 7 Targeting the Poorest and Most Vulnerable: Examples from Bangladesh --- 8 Correlates of Extreme Poverty in Rural Ethiopia --- 9 Examining the Circle of Attachment, Trauma, Shame, and Marginalization: the Unheard Voices of Young Kutchi Girls --- Part 3 Environmental Drivers of Marginality --- 10 Poverty, Agriculture and the Environment: the Case of Sub-Saharan Africa --- 11 The Marginal Poor and their Dependence on Ecosystem Services: Evidence from South Asia and Sub-Saharan Africa --- 12 Land Degradation, Poverty, and Marginality --- Part 4     Experiencing Marginality in Africa and Asia --- 13 Tackling Social Exclusion and Marginality for Poverty Reduction: Indian Experiences --- 14 Consumption Behavior of the Poorest and Policy Implications in Indonesia --- 15 Addressing Extreme Poverty and Marginality: Experiences in Rural China --- 16 Experiences in Targeting the Poorest: a Case Study from Bangladesh --- 17 Rural Poverty and Marginalization in Ethiopia: a Review of Development Interventions --- Part 5 Responses to Marginality at Different Levels: State, Business, and Community --- 18 Macro, Fiscal, and Decentralization Options to Address Marginality and Reach the Extremely Poor --- 19 Social Protection, Marginality, and Extreme Poverty: Just Give Money to the Poor --- 20 Innovative Business Approaches for the Reduction of Extreme Poverty and Marginality --- 21 Business Initiatives that Overcome Rural Poverty and Marginality Through Creating Shared Value --- 22 The Marginalized and Poorest in Different Communities and Settings of Ethiopia
    Seiten: Online-Ressource (XVII, 389 pages)
    ISBN: 9789400770614
    Sprache: Englisch
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  • 47
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Trust in risk managers appears to be an important antecedent of public acceptance for many hazards. However, such trust may be fragile since research suggests that negative performance information has a greater impact than positive performance information (Slovic, 1993). Closer examination of these findings suggests two potential moderators of this valence-related asymmetry—information specificity and hazard risk potential. First, we predicted that the asymmetry would be less evident for low versus high specificity information (risk management policies vs. concrete events). Second, we predicted that it would also be less evident for a low- versus high-risk hazard (pharmaceutical vs. nuclear industry). Study 1 reanalyzed Slovic's original trust asymmetry data for the nuclear industry. In line with Prediction 1, trust asymmetry was less evident for policy than event-related information. Using a new set of items with more clearly defined levels of specificity, Study 2 replicated and extended these findings for the high-risk hazard (nuclear power). In line with Prediction 2, trust asymmetry was even less evident for the low-risk hazard (pharmaceuticals). Positive policies in this industry actually had a greater impact on trust than negative ones, in contrast to previous findings. Results support an information diagnosticity account of earlier findings and suggest that trust in risk managers may be more robust than previously believed.
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  • 48
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Much attention has been addressed to the question of whether Europe or the United States adopts a more precautionary stance to the regulation of potential environmental, health, and safety risks. Some commentators suggest that Europe is more risk-averse and precautionary, whereas the United States is seen as more risk-taking and optimistic about the prospects for new technology. Others suggest that the United States is more precautionary because its regulatory process is more legalistic and adversarial, while Europe is more lax and corporatist in its regulations. The flip-flop hypothesis claims that the United States was more precautionary than Europe in the 1970s and early 1980s, and that Europe has become more precautionary since then. We examine the levels and trends in regulation of environmental, health, and safety risks since 1970. Unlike previous research, which has studied only a small set of prominent cases selected nonrandomly, we develop a comprehensive list of almost 3,000 risks and code the relative stringency of regulation in Europe and the United States for each of 100 risks randomly selected from that list for each year from 1970 through 2004. Our results suggest that: (a) averaging over risks, there is no significant difference in relative precaution over the period, (b) weakly consistent with the flip-flop hypothesis, there is some evidence of a modest shift toward greater relative precaution of European regulation since about 1990, although (c) there is a diversity of trends across risks, of which the most common is no change in relative precaution (including cases where Europe and the United States are equally precautionary and where Europe or the United States has been consistently more precautionary). The overall finding is of a mixed and diverse pattern of relative transatlantic precaution over the period.
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  • 49
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This article tests the hypothesis that the exposure to the threat to societies posed by the introduction of new technologies is associated with a normalization of risk perception. Data collected in 2000 by the International Social Survey Programme (ISSP) on environmental issues were used to explore this hypothesis. Representative samples from 25 countries were employed to assess the national levels of perceived threat to the environment associated with a series of technologies and activities. These values were correlated with economic indicators (mainly from the World Bank) of the diffusion of each of the technologies or activities in each country. Results indicate a negative association of risk perception with the level of technological prevalence (societal normalization effect) and a positive association with the rate of growth of the technology (societal sensitivity effect). These results indicate that the most acute levels of perceived environmental risk are found in those countries where the level of technological prevalence is low but where there has recently been substantial technological development. Environmental awareness is a mediator of the relationship between risk perception and the indices of technological diffusion. This result means that: (1) societal normalization of risk is not a direct consequence of prevalence of the technology, but is driven by awareness of technological development and that (2) societal sensitivity to risk is associated with lower levels of environmental awareness.
    Materialart: Digitale Medien
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  • 50
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This article investigates whether the choice experiment approach can be used to assess people's preferences and the determinants of these preferences in order to estimate the costs and benefits of different configurations of the transport of hazardous materials by rail. Changes in the exposure to hazardous materials that people are subjected to are used rather than changes in accident risk. To the best knowledge of the author, this has not been done before in a study of people's preferences toward hazardous materials. A mail survey, carried out in two cities in Sweden, is used to obtain tentative estimates of the willingness to pay for a reduction in exposure as well as the willingness to accept an increase in exposure. Special attention is given to viability, since the complexity of the activity studied, transport of hazardous materials, and the method used pose particular challenges. The response rate and tests of validity and consistency indicate that this method can be applied. Moreover, the results suggest that studies of this kind may provide guidance on changes in the transport of hazardous materials, especially because policymakers may influence the attributes presented here. Referring to the exposure of hazardous materials highlights the importance of providing the respondents with adequate information regarding hazardous transports. An important finding is that the amount of background information may have some effect on the stated preferences.
    Materialart: Digitale Medien
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  • 51
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This article presents a Listeria monocytogenes growth model in milk at the farm bulk tank stage. The main objective was to judge the feasibility and value to risk assessors of introducing a complex model, including a complete thermal model, within a microbial quantitative risk assessment scheme. Predictive microbiology models are used under varying temperature conditions to predict bacterial growth. Input distributions are estimated based on data in the literature, when it is available. If not, reasonable assumptions are made for the considered context. Previously published results based on a Bayesian analysis of growth parameters are used. A Monte Carlo simulation that forecasts bacterial growth is the focus of this study. Three scenarios that take account of the variability and uncertainty of growth parameters are compared. The effect of a sophisticated thermal model taking account of continuous variations in milk temperature was tested by comparison with a simplified model where milk temperature was considered as constant. Limited multiplication of bacteria within the farm bulk tank was modeled. The two principal factors influencing bacterial growth were found to be tank thermostat regulation and bacterial population growth parameters. The dilution phenomenon due to the introduction of new milk was the main factor affecting the final bacterial concentration. The results show that a model that assumes constant environmental conditions at an average temperature should be acceptable for this process. This work may constitute a first step toward exposure assessment for L. monocytogenes in milk. In addition, this partly conceptual work provides guidelines for other risk assessments where continuous variation of a parameter needs to be taken into account.
    Materialart: Digitale Medien
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  • 52
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Limited time and resources usually characterize environmental decision making at policy organizations such as the U.S. Environmental Protection Agency. In these climates, addressing uncertainty, usually considered a flaw in scientific analyses, is often avoided. However, ignoring uncertainties can result in unpleasant policy surprises. Furthermore, it is important for decisionmakers to know how defensible a chosen policy option is over other options when the uncertainties of the data are considered. The purpose of this article is to suggest an approach that is unique from other approaches in that it considers uncertainty in two specific ways—the uncertainty of stakeholder values within a particular decision context and data uncertainty in the light of the decision-contextual data–values relationship. It is the premise of this article that the interaction between data and stakeholder values is critical to how the decision options are viewed and determines the effect of data uncertainty on the relative acceptability of the decision options, making the understanding of this interaction important to decisionmakers and other stakeholders. This approach utilizes the recently developed decision analysis framework and process, multi-criteria integrated resource assessment (MIRA). This article will specifically address how MIRA can be used to help decisionmakers better understand the importance of uncertainty on the specific (i.e., decision contextual) environmental policy options that they are deliberating.
    Materialart: Digitale Medien
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  • 53
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Perceptions of risks associated with mobile phones, base stations, and other sources of electromagnetic fields (EMF) were examined. Data from a telephone survey conducted in the German- and French-speaking parts of Switzerland are presented (N= 1,015). Participants assessed both risks and benefits associated with nine different sources of EMF. Trust in the authorities regulating these hazards was assessed as well. In addition, participants answered a set of questions related to attitudes toward EMF and toward mobile phone base stations. According to respondents' assessments, high-voltage transmission lines are the most risky source of EMF. Mobile phones and mobile phone base stations received lower risk ratings. Results showed that trust in authorities was positively associated with perceived benefits and negatively associated with perceived risks. People who use their mobile phones frequently perceived lower risks and higher benefits than people who use their mobile phones infrequently. People who believed they lived close to a base station did not significantly differ in their level of risks associated with mobile phone base stations from people who did not believe they lived close to a base station. Regarding risk regulation, a majority of participants were in favor of fixing limiting values based on the worst-case scenario. Correlations suggest that belief in paranormal phenomena is related to level of perceived risks associated with EMF. Furthermore, people who believed that most chemical substances cause cancer also worried more about EMF than people who did not believe that chemical substances are that harmful. Practical implications of the results are discussed.
    Materialart: Digitale Medien
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  • 54
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Experts contend that weather and climate forecasts could have an important role in risk management strategies for community water systems. Yet, most water managers make minimal use of these forecasts. This research explores the determinants of the use of weather and climate forecasts by surveying managers of community water systems in two eastern American states (South Carolina and the Susquehanna River Basin of Pennsylvania). Assessments of the reliability of weather and climate forecasts are not driving their use as water managers who find forecasts reliable are no more likely to use them than are managers who find them unreliable. Although larger systems and those depending on surface water are more likely to use forecasts for some (but not all) purposes, the strongest determinant of forecast use is risk perceptions. Water managers who expect to face problems from weather events in the next decade are much more likely to use forecasts than are water managers who expect few problems. Their expectations of future problems are closely linked with past experience: water managers who have had problems with specific types of weather events (e.g., flood emergencies) in the last 5 years are likely to expect to experience problems in the next decade. Feeling at risk, regardless of the specific source of that weather-related risk, stimulates a decision to use weather and climate forecasts.
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  • 55
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The growing international trade in live wildlife has the potential to result in continuing establishment of nonnative animal populations in the United States. Snakes may pose particularly high risks as potentially invasive species, as exemplified by the decimation of Guam's vertebrate fauna by the accidentally introduced brown tree snake. Herein, ecological and commercial predictors of the likelihood of establishment of invasive populations were used to model risk associated with legal commercial imports of 23 species of boas, pythons, and relatives into the United States during the period 1989–2000. Data on ecological variables were collected from multiple sources, while data on commercial variables were collated from import records maintained by the U.S. Fish and Wildlife Service. Results of the risk-assessment models indicate that species including boa constrictors (Boa constrictor), ball pythons (Python regius), and reticulated pythons (P. reticulatus) may pose particularly high risks as potentially invasive species. Recommendations for reducing risk of establishment of invasive populations of snakes and/or pathogens include temporary quarantine of imports to increase detection rates of nonnative pathogens, increasing research attention to reptile pathogens, reducing the risk that nonnative snakes will reach certain areas with high numbers of federally listed species (such as the Florida Keys), and attempting to better educate individuals purchasing reptiles.
    Materialart: Digitale Medien
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  • 56
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This study examines the perceived risks to forest biodiversity and perceived effectiveness of biodiversity conservation strategies among the general public. It tests the hypotheses that perceived risk to forest biodiversity is influenced by cognitive factors (value orientation and knowledge) and social-cultural factors (such as gender and environmental membership) and that risk perceptions influence other cognitive constructs such as support for natural resource policy and management. Data were collected from a sample of the general public (n= 596) in British Columbia, Canada by mail survey in 2001. Results show that insects and disease were perceived as the greatest risk. Educating the public and industry about biodiversity issues was perceived as a more effective conservation strategy than restricting human uses of the forest. Value orientation was a better predictor of perceptions of risk and perceived effectiveness of conservation strategies than knowledge indicators or social-cultural variables. Examining the indirect effects of social-cultural variables, however, revealed that value orientation may amplify the effect of these variables and suggests that alternative paths of influence should be included. Perceived risk showed an inconsistent association with perceived effectiveness of conservation strategies.
    Materialart: Digitale Medien
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  • 57
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: A unique multidisciplinary perspective on the risk literature is used to establish a fresh and provocative argument regarding the epistemological understanding and definition of risk. Building on economic conceptualizations that distinguish risk from uncertainty and argue that risk is an ordered application of knowledge to the unknown, the survey identifies each of the disciplines as having a particular knowledge approach with which they confront the unknown so as to order its randomness and convert it into a risk proposition. This epistemological approach suggests the concept of risk can act as a mirror, reflecting the preoccupations, strengths, and weaknesses of each discipline as they grapple with uncertainty. The conclusion suggests that the different disciplines can, and desirably should, act in concert toward a cumulative appreciation of risk that progresses our understanding of the concept. One way in which the article challenges risk experts to join disciplinary forces in a collaborative effort is to holistically appreciate and articulate the concept of political risk calculation.
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  • 58
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: By displaying a risk reduction of 50% graphically rather than numerically, Stone, Yates, and Parker significantly increased professed risk-avoidant behavior. The current experiments replicated this effect at various risk ratios. Specifically, participants were willing to spend more money to reduce a risk when the risk information was displayed by asterisks rather than by numbers for risk-reduction ratios ranging from 3% to 97%. Transforming the amount participants were willing to spend to logarithms significantly improved a linear fit to the data, suggesting that participants convert this variable within the decision-making process. Moreover, a log-linear model affords an exceptional fit to both the graphical and numerical data, suggesting that a graphical presentation elicits the same decision-making mechanism as does the numerical display. In addition, the data also suggest that each person removed from harm is weighted more by some additional factor in the graphical compared to the numerical presentations.
    Materialart: Digitale Medien
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  • 59
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 60
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: While quantitative estimates of risk have been a standard practice in cancer risk assessment for many years, no similar practice is evident in noncancer risk assessment. We use two recent examples involving methylmercury and arsenic to illustrate the negative impact of this discrepancy on risk communication and cost-benefit analysis. We argue for a more balanced treatment of cancer and noncancer risks and suggest an approach for reaching this goal.
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  • 61
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Experimental animal studies often serve as the basis for predicting risk of adverse responses in humans exposed to occupational hazards. A statistical model is applied to exposure-response data and this fitted model may be used to obtain estimates of the exposure associated with a specified level of adverse response. Unfortunately, a number of different statistical models are candidates for fitting the data and may result in wide ranging estimates of risk. Bayesian model averaging (BMA) offers a strategy for addressing uncertainty in the selection of statistical models when generating risk estimates. This strategy is illustrated with two examples: applying the multistage model to cancer responses and a second example where different quantal models are fit to kidney lesion data. BMA provides excess risk estimates or benchmark dose estimates that reflects model uncertainty.
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  • 62
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Following a comprehensive evaluation of the health risks of radon, the U.S. National Research Council (US-NRC) concluded that the radon inside the homes of U.S. residents is an important cause of lung cancer. To assess lung cancer risks associated with radon exposure in Canadian homes, we apply the new (US-NRC) techniques, tailoring assumptions to the Canadian context. A two-dimensional uncertainty analysis is used to provide both population-based (population attributable risk, PAR; excess lifetime risk ratio, ELRR; and life-years lost, LYL) and individual-based (ELRR and LYL) estimates. Our primary results obtained for the Canadian population reveal mean estimates for ELRR, PAR, and LYL are 0.08, 8%, and 0.10 years, respectively. Results are also available and stratified by smoking status (ever versus never). Conveniently, the three indices (ELRR, PAR, and LYL) reveal similar output uncertainty (geometric standard deviation, GSD ≈ 1.3), and in the case of ELRR and LYL, comparable variability and uncertainty combined (GSD ≈ 4.2). Simplifying relationships are identified between ELRR, LYL, PAR, and the age-specific excess rate ratio (ERR), which suggest a way to scale results from one population to another. This insight is applied in scaling our baseline results to obtain gender-specific estimates, as well as in simplifying and illuminating sensitivity analysis.
    Materialart: Digitale Medien
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  • 63
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Air pollution is a current and growing concern for Canadians, and there is evidence that ambient levels that meet current exposure standards may be associated with mortality and morbidity in Toronto, Canada. Evaluating exposure is an important step in understanding the relationship between particulate matter (PM) exposure and health outcomes. This report describes the PEARLS model (Particulate Exposure from Ambient to Regional Lung by Subgroup), which predicts exposure distributions for 11 age-gender population subgroups in Toronto to PM2.5 (PM with a median aerodynamic diameter of 2.5 μm or less) using Monte Carlo simulation techniques. The model uses physiological and activity pattern characteristics of each subgroup to determine region-specific lung exposure to PM2.5, which is defined as the mass of PM2.5 deposited per unit time to each of five lung regions (two extrathoracic, bronchial, bronchiolar, and alveolar). The modeling results predict that children, toddlers, and infants have the broadest distributions of exposure, and the greatest chance of experiencing extreme exposures in the alveolar region of the lung. Importance analysis indicates that the most influential model variables are air exchange rate into indoor environments, time spent outdoors, and time spent at high activity levels. Additionally, a “critical point” was defined and introduced to the PEARLS to investigate the effects of possible threshold-pathogenic phenomena on subgroup exposure patterns. The analysis indicates that the subgroups initially predicted to be most highly exposed were likely to have the highest proportion of their population exposed above the critical point. Substantial exposures above the critical point were predicted in all subgroups for ambient concentrations of PM2.5 commonly observed in Toronto after continuous exposure of 24 hours or more.
    Materialart: Digitale Medien
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  • 64
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: It has been shown that bathroom-type water uses dominate personal exposure to water-borne contaminants in the home. Therefore, in assessing exposure of specific population groups to the contaminants in the water, understanding population water-use behavior for bathroom activities as a function of demographic characteristics is vital to realistic exposure estimates. In this article, shower and bath frequencies and durations are analyzed, presented, and compared for various demographic groups derived from analyses of the National Human Activities Pattern Survey (NHAPS) database and the Residential End Uses of Water Study (REUWS) database as well as from a review of current literature. Analysis showed that age and level of education significantly influenced shower and bath frequency and duration. The frequency of showering and bathing reported in NHAPS agreed reasonably well with previous studies; however, durations of these events were found to be significantly longer. Showering frequency reported in REUWS was slightly less than that reported for NHAPS; however, durations of showers reported in REUWS are consistent with other studies. After considering the strengths and weaknesses of each data set and comparing their results to previous studies, it is concluded that NHAPS provides more reliable frequency data, while REUWS provides more reliable duration data. The shower- and bath-use behavior parameters recommended in this article can aid modelers in appropriately specifying water-use behavior as a function of demographic group in order to conduct reasonable assessments of exposure to contaminants that enter the home via the water supply.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 65
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Information about two uncertainties is superadditive in value if the value of information for resolving both uncertainties together exceeds the sum of the value of information for resolving each uncertainty alone. For the two-act linear loss decision problem with normal priors, conditions are derived for which the expected value of perfect information about two independent risks is superadditive. An approximate condition is also presented. The level of additivity of information value has implications for how risk-management resources should be allocated to acquisition of information. Several applications show how a variety of decision problems can reduce to the basic problem, and how the general results obtained here can be translated simply to prescriptions for specific situations.
    Materialart: Digitale Medien
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  • 66
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Reference values, including an oral reference dose (RfD) and an inhalation reference concentration (RfC), were derived for propylene glycol methyl ether (PGME), and an oral RfD was derived for its acetate (PGMEA). These values were based on transient sedation observed in F344 rats and B6C3F1 mice during a two-year inhalation study. The dose-response relationship for sedation was characterized using internal dose measures as predicted by a physiologically-based pharmacokinetic (PBPK) model for PGME and its acetate. PBPK modeling was used to account for changes in rodent physiology and metabolism due to aging and adaptation, based on data collected during Weeks 1, 2, 26, 52, and 78 of a chronic inhalation study. The peak concentration of PGME in richly perfused tissues (i.e., brain) was selected as the most appropriate internal dose measure based on a consideration of the mode of action for sedation and similarities in tissue partitioning between brain and other richly perfused tissues. Internal doses (peak tissue concentrations of PGME) were designated as either no-observed-adverse-effect levels (NOAELs) or lowest-observed-adverse-effect levels (LOAELs) based on the presence or the absence of sedation at each time point, species, and sex in the two-year study. Distributions of the NOAEL and LOAEL values expressed in terms of internal dose were characterized using an arithmetic mean and standard deviation, with the mean internal NOAEL serving as the basis for the reference values, which was then divided by appropriate uncertainty factors. Where data were permitting, chemical-specific adjustment factors were derived to replace default uncertainty factor values of 10. Nonlinear kinetics, which was predicted by the model in all species at PGME concentrations exceeding 100 ppm, complicate interspecies, and low-dose extrapolations. To address this complication, reference values were derived using two approaches that differ with respect to the order in which these extrapolations were performed: (1) default approach of interspecies extrapolation to determine the human equivalent concentration (PBPK modeling) followed by uncertainty factor application, and (2) uncertainty factor application followed by interspecies extrapolation (PBPK modeling). The resulting reference values for these two approaches are substantially different, with values from the latter approach being seven-fold higher than those from the former approach. Such a striking difference between the two approaches reveals an underlying issue that has received little attention in the literature regarding the application of uncertainty factors and interspecies extrapolations to compounds where saturable kinetics occur in the range of the NOAEL. Until such discussions have taken place, reference values based on the former approach are recommended for risk assessments involving human exposures to PGME and PGMEA.
    Materialart: Digitale Medien
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  • 67
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: In the process of screening a soil against a certain contaminant, we define the health-risk-based preliminary remediation goal (PRG) as the contaminant concentration above which some remedial action may be required. Thus, PRG is the first standard (or guidance) for judging a site. An overestimated PRG (a too-large value) may cause us to miss some contaminated sites that can threaten human health and the environment. An underestimated PRG (a too-small value), on the other hand, may lead to unnecessary cleanup and waste tremendous resources. The PRGs for soils are often calculated on the assumption that the contaminant concentration in soil does not change with time. However, that concentration usually decreases with time as a result of different chemical and transport mechanisms. The static assumption thus exaggerates the long-term exposure dose and results in a too-small PRG. We present a box model that considers all important transport processes and obeys the law of mass conservation. We can use the model as a tool to estimate the transient contaminant concentrations in air, soil, and ground water. Using these concentrations in conjunction with appropriate health-risk parameters, we may estimate the PRGs for different contaminants. As an example, we calculated the tritium PRG for residential soils. The result is quite different from, but within the range of, the two versions of the corresponding PRG previously recommended by the U.S. EPA.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 68
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The extreme importance of critical infrastructures to modern society is widely recognized. These infrastructures are complex and interdependent. Protecting the critical infrastructures from terrorism presents an enormous challenge. Recognizing that society cannot afford the costs associated with absolute protection, it is necessary to identify and prioritize the vulnerabilities in these infrastructures. This article presents a methodology for the identification and prioritization of vulnerabilities in infrastructures. We model the infrastructures as interconnected digraphs and employ graph theory to identify the candidate vulnerable scenarios. These scenarios are screened for the susceptibility of their elements to a terrorist attack, and a prioritized list of vulnerabilities is produced. The prioritization methodology is based on multiattribute utility theory. The impact of losing infrastructure services is evaluated using a value tree that reflects the perceptions and values of the decisionmaker and the relevant stakeholders. These results, which are conditional on a specified threat, are provided to the decisionmaker for use in risk management. The methodology is illustrated through the presentation of a portion of the analysis conducted on the campus of the Massachusetts Institute of Technology.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 69
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This study assesses the fire safety risks associated with compressed natural gas (CNG) vehicle systems, comprising primarily a typical school bus and supporting fuel infrastructure. The study determines the sensitivity of the results to variations in component failure rates and consequences of fire events. The components and subsystems that contribute most to fire safety risk are determined. Finally, the results are compared to fire risks of the present generation of diesel-fueled school buses. Direct computation of the safety risks associated with diesel-powered vehicles is possible because these are mature technologies for which historical performance data are available. Because of limited experience, fatal accident data for CNG bus fleets are minimal. Therefore, this study uses the probabilistic risk assessment (PRA) approach to model and predict fire safety risk of CNG buses. Generic failure data, engineering judgments, and assumptions are used in this study. This study predicts the mean fire fatality risk for typical CNG buses as approximately 0.23 fatalities per 100-million miles for all people involved, including bus passengers. The study estimates mean values of 0.16 fatalities per 100-million miles for bus passengers only. Based on historical data, diesel school bus mean fire fatality risk is 0.091 and 0.0007 per 100-million miles for all people and bus passengers, respectively. One can therefore conclude that CNG buses are more prone to fire fatality risk by 2.5 times that of diesel buses, with the bus passengers being more at risk by over two orders of magnitude. The study estimates a mean fire risk frequency of 2.2 × 10−5 fatalities/bus per year. The 5% and 95% uncertainty bounds are 9.1 × 10−6 and 4.0 × 10−5, respectively. The risk result was found to be affected most by failure rates of pressure relief valves, CNG cylinders, and fuel piping.
    Materialart: Digitale Medien
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  • 70
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Laypeople's perceptions of health and safety risks have been widely studied, but only a few studies have addressed perceptions of ecological hazards. We assembled a list of 39 attributes of ecological hazards from the literatures on comparative risk assessment, ecological health, environmental conservation and management, environmental psychology, and risk perception. In Study 1, 125 laypeople evaluated 83 hazards on subsets of this attribute set. Factor analysis of attribute ratings (averaged over participants) revealed six oblique factors: ecological impacts, human impacts, human benefits, aesthetic impacts, scientific understanding, and controllability. These factors predicted mean judgments of overall riskiness, ecological riskiness, acceptability, and regulatory strictness. In Study 2, 30 laypeople each evaluated 34 hazards on 17 attributes and 3 dependent variables. Aggregate-level factor analysis of these data replicated the appropriate portion of the factor solution and yielded similar regression results. Parallel analyses at the individual-participant level yielded factors that explained less variance in judgments of overall riskiness, ecological riskiness, and acceptability. However, the decrease in explanatory power was much less than is often reported for disaggregate-level analyses of psychometric data. This discrepancy illustrates the importance of distinguishing between the level of analysis (aggregate versus disaggregate) and the focus of analysis (distinctions among hazards versus distinctions among participants). In a hybrid analysis, aggregate-level factor scores predicted individual participants' riskiness judgments reasonably well. Psychometric studies such as these provide a sound empirical basis for selecting attributes of ecological hazards for use in comparative risk assessment.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 71
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Government and private sector organizations are increasingly turning to the use of maps and other visual models to provide a depiction of environmental hazards and the potential risks they represent to humans and ecosystems. Frequently, the graphic presentation is tailored to address a specific contaminant, its location and possible exposure pathways, and potential receptors. Its format is usually driven by the data available, choice of graphics technology, and the audience being served. A format that is effective for displaying one contaminant at one scale at one site, however, may be ineffective in accurately portraying the circumstances surrounding a different contaminant at the same site, or the same contaminant at a different site, because of limitations in available data or the graphics technology being used. This is the daunting challenge facing the U.S. Department of Energy (DOE), which is responsible for the nation's legacy wastes from nuclear weapons research, testing, and production at over 100 sites in the United States. In this article, we discuss the development and use of integrated geospatial mapping and conceptual site models to identify hazards and evaluate alternative long-term environmental clean-up strategies at DOE sites located across the United States. While the DOE probably has the greatest need for such information, the Department of Defense and other public and private responsible parties for many large and controversial National Priority List or Superfund sites would benefit from a similar approach.
    Materialart: Digitale Medien
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  • 72
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The research team interviewed over 90 Finnish battalion members in Kosovo, visited 22 units or posts, registered its observations, and made any necessary measurements. Key persons were asked to list the most important risks for occupational safety and health in their area of responsibility. Altogether, 106 accidents and 40 cases of disease resulted in compensation claims in 2000. The risks to the peacekeeping force were about twice those of the permanent staff of military trainees in Finland. Altogether, 21 accidents or cases of disease resulted in sick leave for at least 3 months after service. One permanent injury resulted from an explosion. Biological, chemical, and physical factors caused 8 to 9 occupational illnesses each. Traffic accidents, operational factors, and munitions and mines were evaluated to be the three most important risk factors, followed by occupational hygiene, living conditions (mold, fungi, dust), and general hygiene. Possible fatal risks, such as traffic accidents and munitions and explosives, received a high ranking in both the subjective and the objective evaluations. One permanent injury resulted from an explosion, and two traffic accidents involved a fatality, although not of a peacekeeper. The reduction of sports and military training accidents, risk-control programs, and, for some tasks, better personal protection is considered a development challenge for the near future.
    Materialart: Digitale Medien
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  • 73
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The aim of this study was to determine the impact on risk perceptions of disclosing genetic test results used to estimate the risk of Alzheimer's disease (AD). Adult children (n= 149) of people with AD were randomized to one of two groups—Intervention group: lifetime risk estimates of AD based on age, gender, family history, and Apolipoprotein E (APOE) genotype; Control group: lifetime risk estimates of AD based on the same risk factors excluding APOE genotype. Perceptions of personal risk (PPR) for AD were assessed six weeks after risk assessments. PPR were correlated with actual lifetime risk estimates (r= 0.501; p 〈 0.0001). After controlling for lifetime risks communicated to participants, age, and number of affected relatives, PPR scores among those with an ɛ4-positive test result (the test result associated with increased AD susceptibility) (adjusted mean: 3.4 (SD: 0.7)) were not different from the PPR scores in the Control group (adjusted mean: 3.4 (SD: 0.7) (F(1,91)= 1.98; p= 0.162). Again, controlling for lifetime risk estimates, age, and number of affected relatives, the PPR score of those receiving an ɛ4-negative test result was significantly lower (adjusted mean: 3.1 (SD: 0.8)) than those in the Control group (adjusted mean: 3.4 (SD: 0.7) (F(1,95)= 6.23; p= 0.014). Perceptions of risk of developing AD are influenced by genetic test disclosure in those receiving ɛ4-negative, but not those receiving ɛ4-positive test results. Despite the reduced perceptions of risk in the former group, there was no evidence of false reassurance (i.e., perceiving risks as equal to or lower than population risks of AD), although this possibility should be assessed in other testing contexts.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 74
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Society often sets social standards that define thresholds of damage to society or the environment above which compensation must be paid to the state or other parties. In this article, we analyze the interdependence between the use of social standards and investment evaluation under dynamic uncertainty where a negative externality above a threshold established by society requires an assessment and payment of damages. Under uncertainty, the party considering implementing a project or new technology must not only assess when the project is economically efficient to implement but when to abandon a project that could potentially exceed the social standard. Using real-option theory and simple models, we demonstrate how such a social standard can be integrated into cost-benefit analysis through the use of a development option and a liability option coupled with a damage function. Uncertainty, in fact, implies that both parties interpret the social standard as a target for safety rather than an inflexible barrier that cannot be overcome. The larger is the uncertainty, in fact, the greater will be the tolerance for damages in excess of the social standard from both parties.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 75
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: There is increasing interest in being able to express the consequences of exposure to potentially toxic compounds in monetary terms in order to evaluate potential cost-benefit relationships of controlling exposure. Behavioral effects of acute toluene exposure could be subjected to cost-benefit analysis if the effects of toluene were quantitatively compared to those of ethanol ingestion, which has been monetized for applied contexts. Behavioral effects of toluene and ethanol were quantified by meta-analysis of studies from the peer-reviewed literature describing their effects on choice reaction time (reaction time in a test requiring a subject to choose among two or more alternatives before responding). The internal doses of these compounds were estimated by a general physiological and toxicokinetic (GPAT) simulation from exposure parameters provided in the reports. The reported effects were converted to a common metric (proportion of baseline) and related to the estimated internal doses of toluene and ethanol, from which dose-effect equations were fitted. The estimated effect of toluene was compared to the estimated effect of ethanol on the same dependent variable by deriving a dose-equivalence equation (DEE) to express the dose of toluene as an equivalent dose of ethanol on the basis of equal effect magnitude. A nomogram was constructed by GPAT simulation to relate the environmental exposure concentration of toluene to the equivalent effect magnitude of a range of ethanol internal doses. Behavioral effects and their evaluation are determined by internal doses, which in turn are determined by a variety of variables. In addition to concentration and duration of exposure, which determine internal dose by pharmacokinetic processes, the activity level of exposed persons is a major factor. This analysis provides a continuous function of the consequences of toluene exposure expressed as ethanol-equivalent doses within confidence limits. The resulting function has the potential to estimate the monetary values of behavioral deficits caused by a range of exposures to toluene from existing monetized information on ethanol.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 76
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 77
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 78
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Clostridium perfringens is a pathogen that mainly causes food poisoning outbreaks when large quantities of food are prepared. Therefore, a model was developed to predict the effect of different cooling procedures on the growth of this pathogen during cooling of food: Dutch pea soup. First, a growth rate model based on interpretable parameters was used to predict growth during linear cooling of pea soup. Second, a temperature model for cooling pea soup was constructed by fitting the model to experimental data published earlier. This cooling model was used to estimate the effect of various cooling environments on average cooling times, taking into account the effect of stirring and product volume. The growth model systematically overestimated growth of C. perfringens during cooling in air, but this effect was limited to less than 0.5 log N/ml and this was considered to be acceptable for practical purposes. It was demonstrated that the growth model for C. perfringens combined with the cooling model for pea soup could be used to sufficiently predict growth of C. perfringens in different volume sizes of pea soup during cooling in air as well as the effect of stirring, different cooling temperatures, and various cooling environments on the growth of C. perfringens in pea soup. Although fine-tuning may be needed to eliminate inaccuracies, it was concluded that the combined model could be a useful tool for designing good manufacturing practices (GMP) procedures.
    Materialart: Digitale Medien
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  • 79
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The management of microbial risk in food products requires the ability to predict growth kinetics of pathogenic microorganisms in the event of contamination and growth initiation. Useful data for assessing these issues may be found in the literature or from experimental results. However, the large number and variety of data make further development difficult. Statistical techniques, such as meta-analysis, are then useful to realize synthesis of a set of distinct but similar experiences. Moreover, predictive modeling tools can be employed to complete the analysis and help the food safety manager to interpret the data. In this article, a protocol to perform a meta-analysis of the outcome of a relational database, associated with quantitative microbiology models, is presented. The methodology is illustrated with the effect of temperature on pathogenic Escherichia coli and Listeria monocytogenes, growing in culture medium, beef meat, and milk products. Using a database and predictive models, simulations of growth in a given product subjected to various temperature scenarios can be produced. It is then possible to compare food products for a given microorganism, according to its growth ability in these products, and to compare the behavior of bacteria in a given foodstuff. These results can assist decisions for a variety of questions on food safety.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 80
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The uncertainty associated with estimates should be taken into account in quantitative risk assessment. Each input's uncertainty can be characterized through a probabilistic distribution for use under Monte Carlo simulations. In this study, the sampling uncertainty associated with estimating a low proportion on the basis of a small sample size was considered. A common application in microbial risk assessment is the estimation of a prevalence, proportion of contaminated food products, on the basis of few tested units. Three Bayesian approaches (based on beta(0, 0), beta 〈inlineGraphic alt="inline image" href="urn:x-wiley:02724332:RISA565:RISA_565_mu1" location="equation/RISA_565_mu1.gif"/〉, and beta(l, 1)) and one frequentist approach (based on the frequentist confidence distribution) were compared and evaluated on the basis of simulations. For small samples, we demonstrated some differences between the four tested methods. We concluded that the better method depends on the true proportion of contaminated products, which is by definition unknown in common practice. When no prior information is available, we recommend the beta 〈inlineGraphic alt="inline image" href="urn:x-wiley:02724332:RISA565:RISA_565_mu2" location="equation/RISA_565_mu2.gif"/〉 prior or the confidence distribution. To illustrate the importance of these differences, the four methods were used in an applied example. We performed two-dimensional Monte Carlo simulations to estimate the proportion of cold smoked salmon packs contaminated by Listeria monocytogenes, one dimension representing within-factory uncertainty, modeled by each of the four studied methods, and the other dimension representing variability between companies.
    Materialart: Digitale Medien
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  • 81
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: A poultry-processing model for a quantitative microbiological risk assessment (QMRA) of campylobacter is presented, which can also be applied to other QMRAs involving poultry processing. The same basic model is applied in each consecutive stage of industrial processing. It describes the effects of inactivation and removal of the bacteria, and the dynamics of cross-contamination in terms of the transfer of campylobacter from the intestines to the carcass surface and the environment, from the carcasses to the environment, and from the environment to the carcasses. From the model it can be derived that, in general, the effect of inactivation and removal is dominant for those carcasses with high initial bacterial loads, and cross-contamination is dominant for those with low initial levels. In other QMRA poultry-processing models, the input-output relationship between the numbers of bacteria on the carcasses is usually assumed to be linear on a logarithmic scale. By including some basic mechanistics, it is shown that this may not be realistic. As nonlinear behavior may affect the predicted effects of risk mitigations; this finding is relevant for risk management. Good knowledge of the variability of bacterial loads on poultry entering the process is important. The common practice in microbiology to only present geometric mean of bacterial counts is insufficient: arithmetic mean are more suitable, in particular, to describe the effect of cross-contamination. The effects of logistic slaughter (scheduled processing) as a risk mitigation strategy are predicted to be small. Some additional complications in applying microbiological data obtained in processing plants are discussed.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 82
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: A linear population risk model used by the U.S. Food and Drug Administration (FDA) Center for Veterinary Medicine (CVM) estimates the risk of human cases of campylobacteriosis caused by fluoroquinolone-resistant Campylobacter. Among the cases of campylobacteriosis attributed to domestically produced chicken, the fluoroquinolone resistance is assumed to result from the use of fluoroquinolones in poultry in the United States. Properties of the linear population risk model are contrasted with those of a farm-to-fork model commonly used for microbial risk assessments. The utility of the linear population model for the purpose for which it was used by CVM is discussed.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 83
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: A mathematical model is presented, which addresses individual hygiene practices during food preparation and consumption patterns in private homes. Further, the model links food preparers and consumers based on their relationship to household types. For different age and gender groups, the model estimates (i) the probability of ingesting a meal where precautions have not been taken to avoid the transfer of microorganisms from raw food to final meal (a risk meal), exemplified by the event that the cutting board was not washed during food preparation, and (ii) the probability of ingesting a risk meal in a private home, where chicken was the prepared food item (a chicken risk meal). Chicken was included in the model, as chickens are believed to be the major source of human exposure to the foodborne pathogen Campylobacter. Monte Carlo simulations showed that the probability of ingesting a risk meal was highest for young males (aged 18–29 years) and lowest for the elderly above 60 years of age. Children aged 0–4 years had a higher probability of ingesting a risk meal than children aged 5–17 years. This difference between age and gender groups was ascribed to the variations in the hygiene levels of food preparers. By including the probability of ingesting a chicken meal at home, simulations revealed that all age groups, except the group above 60 years of age, had approximately the same probability of ingesting a chicken risk meal, the probability of females being slightly higher than that of males. The simulated results show that the probability of ingesting a chicken risk meal at home does not only depend on the hygiene practices of the persons preparing the food, but also on the consumption patterns of consumers, and the relationship between people preparing and ingesting food. This finding supports the need of including information on consumer behavior and preparation hygiene in the consumer phase of exposure assessments.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 84
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: We discuss the issue of using benchmark doses for quantifying (excess) risk associated with exposure to environmental hazards. The paradigm of low-dose risk estimation in dose-response modeling is used as the primary application scenario. Emphasis is placed on making simultaneous inferences on benchmark doses when data are in the form of proportions, although the concepts translate easily to other forms of outcome data.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 85
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: This report describes the use of Bayesian networks (BNs) to model statistical loss distributions in financial operational risk scenarios. Its focus is on modeling “long” tail, or unexpected, loss events using mixtures of appropriate loss frequency and severity distributions where these mixtures are conditioned on causal variables that model the capability or effectiveness of the underlying controls process. The use of causal modeling is discussed from the perspective of exploiting local expertise about process reliability and formally connecting this knowledge to actual or hypothetical statistical phenomena resulting from the process. This brings the benefit of supplementing sparse data with expert judgment and transforming qualitative knowledge about the process into quantitative predictions. We conclude that BNs can help combine qualitative data from experts and quantitative data from historical loss databases in a principled way and as such they go some way in meeting the requirements of the draft Basel II Accord (Basel, 2004) for an advanced measurement approach (AMA).
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 86
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The number of collisions and fatalities at rail-highway intersections in the United States has declined significantly over the past 30 years, despite considerable increases in the volume of rail and highway traffic. This article disaggregates the improvement into its constituent causes. Negative binomial regressions are conducted on a pooled data set for 49 states from 1975 to 2001. The analysis concludes that about two-fifths of the decrease is due to factors such as reduced drunk driving and improved emergency medical response that have improved safety on all parts of the highway network. The installation of gates and/or flashing lights accounts for about a fifth of the reduction. The development in the 1970s and early 1980s of the Operation Lifesaver public education campaign, and the installation of additional lights on locomotives in the mid 1990s, each led to about a seventh of the reduction. Finally, about a tenth is due to closure of crossings resulting from line abandonments or consolidation of little-used crossings.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 87
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The value of a statistical life (VSL) is a key input for estimating the benefits of policies that save lives. Several recent studies have obtained estimates of the VSL from contingent valuation surveys, i.e., by asking people to say how much they would pay to reduce their risk of dying. This article examines statistical factors that may influence the estimates of the VSL obtained from such surveys. We examine the importance of distributional assumptions, the choice of the welfare statistics of interest, the procedure for computing them, outliers, undesirable response effects, and internal validity of the willingness-to-pay (WTP) responses. We illustrate the importance of these factors using dichotomous-choice and open-ended WTP data from four recent contingent valuation surveys.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 88
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Safety systems are important components of high-consequence systems that are intended to prevent the unintended operation of the system and thus the potentially significant negative consequences that could result from such an operation. This presentation investigates and illustrates formal procedures for assessing the uncertainty in the probability that a safety system will fail to operate as intended in an accident environment. Probability theory and evidence theory are introduced as possible mathematical structures for the representation of the epistemic uncertainty associated with the performance of safety systems, and a representation of this type is illustrated with a hypothetical safety system involving one weak link and one strong link that is exposed to a high temperature fire environment. Topics considered include (1) the nature of diffuse uncertainty information involving a system and its environment, (2) the conversion of diffuse uncertainty information into the mathematical structures associated with probability theory and evidence theory, and (3) the propagation of these uncertainty structures through a model for a safety system to obtain representations in the context of probability theory and evidence theory of the uncertainty in the probability that the safety system will fail to operate as intended. The results suggest that evidence theory provides a potentially valuable representational tool for the display of the implications of significant epistemic uncertainty in inputs to complex analyses.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 89
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Recent studies demonstrating a concentration dependence of elimination of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) suggest that previous estimates of exposure for occupationally exposed cohorts may have underestimated actual exposure, resulting in a potential overestimate of the carcinogenic potency of TCDD in humans based on the mortality data for these cohorts. Using a database on U.S. chemical manufacturing workers potentially exposed to TCDD compiled by the National Institute for Occupational Safety and Health (NIOSH), we evaluated the impact of using a concentration- and age-dependent elimination model (CADM) (Aylward et al., 2005) on estimates of serum lipid area under the curve (AUC) for the NIOSH cohort. These data were used previously by Steenland et al. (2001) in combination with a first-order elimination model with an 8.7-year half-life to estimate cumulative serum lipid concentration (equivalent to AUC) for these workers for use in cancer dose-response assessment. Serum lipid TCDD measurements taken in 1988 for a subset of the cohort were combined with the NIOSH job exposure matrix and work histories to estimate dose rates per unit of exposure score. We evaluated the effect of choices in regression model (regression on untransformed vs. ln-transformed data and inclusion of a nonzero regression intercept) as well as the impact of choices of elimination models and parameters on estimated AUCs for the cohort. Central estimates for dose rate parameters derived from the serum-sampled subcohort were applied with the elimination models to time-specific exposure scores for the entire cohort to generate AUC estimates for all cohort members. Use of the CADM resulted in improved model fits to the serum sampling data compared to the first-order models. Dose rates varied by a factor of 50 among different combinations of elimination model, parameter sets, and regression models. Use of a CADM results in increases of up to five-fold in AUC estimates for the more highly exposed members of the cohort compared to estimates obtained using the first-order model with 8.7-year half-life. This degree of variation in the AUC estimates for this cohort would affect substantially the cancer potency estimates derived from the mortality data from this cohort. Such variability and uncertainty in the reconstructed serum lipid AUC estimates for this cohort, depending on elimination model, parameter set, and regression model, have not been described previously and are critical components in evaluating the dose-response data from the occupationally exposed populations.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 90
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Approaches to risk assessment have been shown to vary among regulatory agencies and across jurisdictional boundaries according to the different assumptions and justifications used. Approaches to screening-level risk assessment from six international agencies were applied to an urban case study focusing on benzo[a]pyrene (B[a]P) exposure and compared in order to provide insight into the differences between agency methods, assumptions, and justifications. Exposure estimates ranged four-fold, with most of the dose stemming from exposure to animal products (8–73%) and plant products (24–88%). Total cancer risk across agencies varied by two orders of magnitude, with exposure to air and plant and animal products contributing most to total cancer risk, while the air contribution showed the greatest variability (1–99%). Variability in cancer risk of 100-fold was attributed to choices of toxicological reference values (TRVs), either based on a combination of epidemiological and animal data, or on animal data. The contribution and importance of the urban exposure pathway for cancer risk varied according to the TRV and, ultimately, according to differences in risk assessment assumptions and guidance. While all agency risk assessment methods are predicated on science, the study results suggest that the largest impact on the differential assessment of risk by international agencies comes from policy and judgment, rather than science.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 91
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: In this article, we describe a straightforward method for solving the probability of at least one malignant cell by time t, and the associated hazard function, in the general (i.e., nonhomogeneous) two-stage Moolgavkar-Venzon-Knudson (MVK) model of cancer. The method consists of solving four coupled ordinary differential equations derived from the Kolmogorov backward equations for this process. The relationship of this method to previously proposed solutions is discussed.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 92
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: To estimate the critical dose of lead inducing anemia in humans, the effects of lead on hemoglobin (Hb) and hematocrit (Hct) levels and red blood cell (RBC) count were examined in 388 male lead-exposed workers with blood lead (BPb) levels of 0.05–5.5 (mean 1.3) μmol/L by using the benchmark dose (BMD) approach. The BPb level was significantly related to Hb (regression coefficient β=–0.276), RBC (β=–11.35), and Hct (β=–0.563) among the workers (p 〈 0.001) when controlling for age and working status. The average BPb levels were significantly higher in the workers with anemia (1.85 μmol/L), based on the WHO criteria, than in those without anemia (1.26 μmol/L). The benchmark dose levels of BPb (i.e., lower 95% confidence limits of BMD), calculated from the K-power model set at an abnormal probability of 5% in unexposed workers and an excess risk of 5% in exposed workers were estimated to be 0.94 μmol/L (19.5 μg/dl) for Hb, 0.94 μmol/L (19.4 μg/dl) for RBC, and 1.43 μmol/L (29.6 μg/dl) for Hct. These findings suggest that reduction in hematopoietic indicators may be initiated at BPbs below the level currently considered without effect.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 93
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The U.S. Department of Agriculture (USDA) tests a subset of cattle slaughtered in the United States for bovine spongiform encephalitis (BSE). Knowing the origin of cattle (U.S. vs. Canadian) at testing could enable new testing or surveillance policies based on the origin of cattle testing positive. For example, if a Canadian cow tests positive for BSE, while no U.S. origin cattle do, the United States could subject Canadian cattle to more stringent testing. This article illustrates the application of a value-of-information (VOI) framework to quantify and compare potential economic costs to the United States of implementing tracking cattle origins to the costs of not doing so. The potential economic value of information from a tracking program is estimated to exceed its costs by more than five-fold if such information can reduce future losses in export and domestic markets and reduce future testing costs required to reassure or win back customers. Sensitivity analyses indicate that this conclusion is somewhat robust to many technical, scientific, and market uncertainties, including the current prevalence of BSE in the United States and/or Canada and the likely reactions of consumers to possible future discoveries of BSE in the United States and/or Canada. Indeed, the potential value of tracking information is great enough to justify locating and tracking Canadian cattle already in the United States when this can be done for a reasonable cost. If aggressive tracking and testing can win back lost exports, then the VOI of a tracking program may increase to over half a billion dollars per year.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 94
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: In the Mexico City metropolitan area, poor air quality is a public health concern. Diesel vehicles contribute significantly to the emissions that are most harmful to health. Harmful diesel emissions can be reduced by retrofitting vehicles with one of several technologies, including diesel particulate filters. We quantified the social costs and benefits, including health benefits, of retrofitting diesel vehicles in Mexico City with catalyzed diesel particulate filters, actively regenerating diesel particulate filters, or diesel oxidation catalysts, either immediately or in 2010, when capital costs are expected to be lower. Retrofit with either type of diesel particulate filter or an oxidation catalyst is expected to provide net benefits to society beginning immediately and in 2010. At current prices, retrofit with an oxidation catalyst provides greatest net benefits. However, as capital costs decrease, retrofit with diesel particulate filters is expected to provide greater net benefits. In both scenarios, retrofit of older, dirtier vehicles that circulate only within the city provides greatest benefits, and retrofit with oxidation catalysts provides greater health benefits per dollar spent than retrofit with particulate filters. Uncertainty about the magnitude of net benefits of a retrofit program is significant. Results are most sensitive to values used to calculate benefits, such as the concentration-response coefficient, intake fraction (a measure of exposure), and the monetary value of health benefits.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 95
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: In their regulations, the U.S. Environmental Protection Agency and the U.S. Nuclear Regulatory Commission permit the omission of features, events, or processes with probabilities of 〈10−4 in 104 yr (e.g., a constant frequency of 〈10−8 per yr) in assessments of the performance of radioactive waste disposal systems. Igneous intrusion (or “volcanism”) of a geologic repository at Yucca Mountain for radioactive waste is one disruptive event that has a probability with a range of uncertainty that straddles this regulatory criterion and is considered directly in performance assessment calculations. A self-sustained nuclear chain reaction (or “criticality”) is another potentially disruptive event to consider, although it was never found to be important when evaluating the efficacy of radioactive waste disposal since the early 1970s. The thesis of this article is that the consideration of the joint event—volcanism and criticality—occurring in any 10,000-year period following closure can be eliminated from performance calculations at Yucca Mountain. The probability of the joint event must be less than the fairly well-accepted but low probability of volcanism. Furthermore, volcanism does not “remove” or “fail” existing hydrologic or geochemical constraints at Yucca Mountain that tend to prevent concentration of fissile material. Prior to general corrosion failure of waste packages, the mean release of fissile mass caused by a low-probability, igneous intrusive event is so small that the probability of a critical event is remote, even for highly enriched spent nuclear fuel owned by the U.S. Department of Energy. After widespread failure of packages occurs, the probability of the joint event is less than the probability of criticality because of the very small influence of volcanism on the mean fissile mass release. Hence, volcanism plays an insignificant role in inducing criticality over any 104-yr period. We also argue that the Oklo reactors serve as a natural analogue and provide a rough bound on probability of criticality given favorable hydrologic or geochemical conditions on the scale of the repository that is less than 0.10. Because the product of this bound with the probability of volcanism represents the probability of the joint event and the product is less than 10−4 in 104 yr, consideration of the joint event can be eliminated from performance calculations.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 96
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Decision analysis is recognized as the right way to make risk management decisions, using probabilistic techniques to assess the accident risk. It is also accepted that the decisions that individuals in the organization make affect the likelihood of an accident and thus managerial and organizational factors should be included in the risk modeling process. However, decision analytic techniques have not been used to understand the decisions that are made by these individuals. The initial domain for this research is marine transportation. We use the framework of value-focused thinking in order to understand safety decisions made within our research partner organization, a major domestic oil tanker operator. We describe the results of interviews held with managers and employees from this organization. Through these interviews, we sought to understand the values these experts apply in their roles within the organization and the objectives they seek to achieve to contribute to its overall safety performance. The end result is a framework that not only portrays the fundamental objectives of safe operations for various roles in the organization, but also interconnects these different decision contexts. We believe that this approach is fundamentally different from those used in previous work and that this is an interesting application of value-focused thinking.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 97
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Forward Links to Citing Articles 
 
 Retraction. In the framework of the APHEIS program (Air Pollution and Health: A European Information System), a health impact assessment of air pollution in 26 European cities was performed for particles of an aerodynamic diameter less than or equal to 10 μm (PM10). For short-term effects, it was based on overall estimates from the APHEA-2 project (Air Pollution and Health: A European Approach). These city-specific risk assessments require city-specific concentration-response functions, raising the question of which concentration-response is most appropriate. Estimates from city-specific models are more specific, but have greater uncertainty than those provided from multicity analyses. We compared several estimates derived from the city-specific analyses in cities that were part of the APHEA-2 project, as well as in a city that was not included in APHEA-2 but was part of the APHEIS project. These estimates were: the estimates from a local regression model, the adjusted estimates based on two significant effect modifiers identified through meta-regression models, and the city-specific empirical Bayes (shrunken) estimates and their underlying distribution. The shrunken and adjusted estimates were used to improve the estimation of city-specific concentration-response function. From these different estimates, attributable numbers of deaths per year were calculated. The advantages and limits of the different approaches are discussed through real data and in a simulation study.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 98
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: The weather forecast says that there is a “30% chance of rain,” and we think we understand what it means. This quantitative statement is assumed to be unambiguous and to convey more information than does a qualitative statement like “It might rain tomorrow.” Because the forecast is expressed as a single-event probability, however, it does not specify the class of events it refers to. Therefore, even numerical probabilities can be interpreted by members of the public in multiple, mutually contradictory ways. To find out whether the same statement about rain probability evokes various interpretations, we randomly surveyed pedestrians in five metropolises located in countries that have had different degrees of exposure to probabilistic forecasts––Amsterdam, Athens, Berlin, Milan, and New York. They were asked what a “30% chance of rain tomorrow” means both in a multiple-choice and a free-response format. Only in New York did a majority of them supply the standard meteorological interpretation, namely, that when the weather conditions are like today, in 3 out of 10 cases there will be (at least a trace of) rain the next day. In each of the European cities, this alternative was judged as the least appropriate. The preferred interpretation in Europe was that it will rain tomorrow “30% of the time,” followed by “in 30% of the area.” To improve risk communication with the public, experts need to specify the reference class, that is, the class of events to which a single-event probability refers.
    Materialart: Digitale Medien
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  • 99
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: A method for estimating long-term exposures from short-term measurements is validated using data from a recent EPA study of exposure to fine particles. The method was developed a decade ago but long-term exposure data to validate it did not exist until recently. In this article, exposure data from repeated visits to 37 persons over 1 year (up to 28 measurements per person) are used to test the model. Both fine particle mass and elemental concentrations measured indoors, outdoors, and on the person are examined. To provide the most stringent test of the method, only two single-day distributions are randomly selected for each element to predict the long-term distributions. The precision of the method in estimating the long-term geometric mean and geometric standard deviation appears to be of the order of 10%, with no apparent bias. The precision in estimating the 99th percentile ranges from 19% to 48%, again without obvious bias. The precision can be improved by selecting a number of pairs of single-day distributions instead of just one pair. Occasionally, the method fails to provide an estimate for the long-term distribution. In that case, a repeat of the random selection procedure can provide an estimate. Although the method assumes a log-normal distribution, most of the distributions tested failed the chi-square test for log-normality. Therefore, the method appears suitable for application to distributions that depart from log-normality.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 100
    Digitale Medien
    Digitale Medien
    350 Main Street , Malden , MA 02148 , USA , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Publishing, Inc.
    Risk analysis 25 (2005), S. 0 
    ISSN: 1539-6924
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik
    Notizen: Combining DNA variation data and risk assessment procedures offers important diagnostic and monitoring tools for evaluating the relative success of exotic species invasions. Risk assessment may allow us to understand how the numbers of founding individuals, genetic variants, population sources, and introduction events affect successful establishment and spread. This is particularly important in habitats that are “hotbeds” for invasive species—such as the North American Great Lakes. This study compares genetic variability and its application to risk assessment within and among three Eurasian groups and five species that successfully invaded the Great Lakes during the mid 1980s through early 1990s; including zebra and quagga mussels, round and tubenose gobies, and the ruffe. DNA sequences are compared from exotic and native populations in order to evaluate the role of genetic diversity in invasions. Close relatives are also examined, since they often invade in concert and several are saline tolerant and are likely to spread to North American estuaries. Results show that very high genetic diversity characterizes the invasions of all five species, indicating that they were founded by very large numbers of propagules and underwent no founder effects. Genetic evidence points to multiple invasion sources for both dreissenid and goby species, which appears related to especially rapid spread and widespread colonization success in a variety of habitats. In contrast, results show that the ruffe population in the Great Lakes originated from a single founding population source from the Elbe River drainage. Both the Great Lakes and the Elbe River populations of ruffe have similar genetic diversity levels—showing no founder effect, as in the other invasive species. In conclusion, high genetic variability, large numbers of founders, and multiple founding sources likely significantly contribute to the risk of an exotic species introduction's success and persistence.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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