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  • GFZ German Research Centre for Geosciences  (84)
  • Cham : Springer International Publishing  (34)
  • English  (118)
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  • 2015-2019  (118)
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  • 1
    Call number: PIK M 039-17-90409
    Description / Table of Contents: This book considers a relatively new metric in complex systems, transfer entropy, derived from a series of measurements, usually a time series. After a qualitative introduction and a chapter that explains the key ideas from statistics required to understand the text, the authors then present information theory and transfer entropy in depth. A key feature of the approach is the authors' work to show the relationship between information flow and complexity. The later chapters demonstrate information transfer in canonical systems, and applications, for example in neuroscience and in finance. The book will be of value to advanced undergraduate and graduate students and researchers in the areas of computer science, neuroscience, physics, and engineering
    Type of Medium: Monograph available for loan
    Pages: XXIX, 190 Seiten , Illustrationen, Diagramme
    ISBN: 9783319432212 (print)
    Language: English
    Note: Introduction -- Statistical Preliminaries -- Information Theory -- Transfer Entropy -- Information Transfer in Canonical Systems -- Information Transfer in Financial Markets -- Miscellaneous Applications of Transfer Entropy -- Concluding Remarks
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  • 2
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: 10/M 16.89929
    Description / Table of Contents: This work summarizes the historical progression of the field of lithium (Li) isotope studies and provides a comprehensive yet succinct overview of the research applications toward which they have been directed. In synthesizing the historical and current research, the volume also suggests prospective future directions of study. Not even a full decade has passed since the publication of a broadly inclusive summary of Li isotope research around the globe (Tomascak, 2004). In this short time, the use of this isotope system in the investigation of geo- and cosmochemical questions has increased dramatically, due, in part, to the advent of new analytical technology at the end of the last millennium. Lithium, as a light element that forms low-charge, moderate-sized ions, manifests a number of chemical properties that make its stable isotope system useful in a wide array of geo- and cosmochemical research fields.  
    Type of Medium: Monograph available for loan
    Edition: Online edition Springer eBook Collection. Earth and Environmental Science
    ISBN: 9783319014302 , 9783319014296
    Series Statement: Advances in isotope geochemistry
    Classification:
    Geochemistry
    Language: English
    Note: Methodology of Lithium Analytical Chemistry and Isotopic MeasurementsCosmochemistry of Lithium -- Li Partitioning, Diffusion and Associated Isotopic Fractionation: Theoretical and Experimental Insights -- Lithium in the Deep Earth: Mantle and Crustal Systems -- The Surficial Realm: Low Temperature Geochemistry of Lithium..
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  • 3
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: 11/M 16.89937
    Description / Table of Contents: Constitutive Equation -- Micromechanics -- Variational Energy Formulation -- Anisotropy -- Governing Equation -- Analytical Solution -- Fundamental Solution and Integral Equation -- Poroelastodynamics -- Poroviscoelasticity -- Porothermoelasticity -- Porochemoelasticity -- Appendices -- Index
    Description / Table of Contents: This book treats the mechanics of porous materials infiltrated with a fluid (poromechanics), focussing on its linear theory (poroelasticity). Porous materials from inanimate bodies such as sand, soil and rock, living bodies such as plant tissue, animal flesh, or man-made materials can look very different due to their different origins, but as readers will see, the underlying physical principles governing their mechanical behaviors can be the same, making this work relevant not only to engineers but also to scientists across other scientific disciplines. Readers will find discussions of physical phenomena including soil consolidation, land subsidence, slope stability, borehole failure, hydraulic fracturing, water wave and seabed interaction, earthquake aftershock, fluid injection induced seismicity and heat induced pore pressure spalling as well as discussions of seismoelectric and seismoelectromagnetic effects. The work also explores the biomechanics of cartilage, bone and blood vessels. Chapters present theory using an intuitive, phenomenological approach at the bulk continuum level, and a thermodynamics-based variational energy approach at the micromechanical level. The physical mechanisms covered extend from the quasi-static theory of poroelasticity to poroelastodynamics, poroviscoelasticity, porothermoelasticity, and porochemoelasticity. Closed form analytical solutions are derived in details. This book provides an excellent introduction to linear poroelasticity and is especially relevant to those involved in civil engineering, petroleum and reservoir engineering, rock mechanics, hydrology, geophysics, and biomechanics
    Type of Medium: Monograph available for loan
    Pages: XXVI, 877 p. 171 illus., 62 illus. in color
    ISBN: 9783319252025 , 9783319252001
    Series Statement: Theory and Applications of Transport in Porous Media 27
    Parallel Title: Print version Poroelasticity
    Language: English
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  • 4
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: PIK B 150-18-91578
    Type of Medium: Monograph available for loan
    Pages: XXI, 198 Seiten , Diagramme
    ISBN: 9783319240626 (print)
    Series Statement: Contributions to Economics
    Language: English
    Note: Contents: Foreword -- Acknowledgments -- Contents -- List of Figures -- List of Tables -- List of Abbreviations -- List of Symbols -- Scalars -- Functions -- Indices -- Vectors, Matrices, Etc. -- Symbols Related to Poverty and Inequality -- 1 Introduction -- 1.1 Objective and Research Question -- 1.2 Structure of Thesis -- References -- 2 The Normative Argument for an Unconditional Basic Income -- 2.1 Van Parijs' Concept of Freedom -- 2.1.1 Alternative Concepts of Freedom -- 2.1.2 The Concept of Real Freedom -- 2.2 From Real Freedom to Basic Income -- 2.2.1 The Resource Egalitarianism Approach -- 2.2.2 Ambition-Sensitivity and Endowment-Insensitivity -- 2.2.3 The Value of the Basic Income -- 2.3 The Concept of the Basic Income in Detail -- 2.4 Common Objections Against an Unconditional BasicIncome -- 2.4.1 Exploitation and Reciprocity -- 2.4.2 Measuring of Real Freedom -- 2.5 Concluding Remarks -- References -- 3 Implementation of a Basic Income by a Negative Income Tax -- 3.1 The Concept of a Negative Income Tax -- 3.1.1 Definition and Classification -- 3.1.2 Economic Aspects -- 3.1.3 Comparison of an Unconditional Basic Income with a Negative Income Tax -- 3.2 Different Types of Negative Income Tax Plans -- 3.2.1 Minimum Income Guarantee -- 3.2.2 Social-Dividend Type -- 3.2.3 Poverty-Gap Type -- 3.2.4 Comparison of NIT-Types -- 3.3 Empirical Studies on Negative Income Tax Plans -- References -- 4 A Negative Income Tax Proposal for Germany -- 4.1 The Subsistence Level as Lower Limit of Welfare Payments in Germany -- 4.2 The Negative Income Tax Proposal in Detail -- 4.2.1 General Concept -- 4.2.2 The Build-In Option in Detail -- 4.2.3 Child Support -- 4.3 Comparison with Germany's Status Quo of 2010 -- 4.4 Critical Remarks -- References -- 5 Modeling Political Reforms: The Discrete Approach to Labor Supply -- 5.1 Economic Simulations ; 5.1.1 General Overview -- 5.1.2 Micro Simulations in Detail -- 5.1.3 Construction of a New Tax-and-TransferMicro Simulation -- 5.2 The Discrete Approach to Labor Supply -- 5.2.1 The Discrete Framework -- 5.2.2 Additive Random Utility -- 5.2.3 Specification of the Utility Function -- 5.2.4 Behavioral Changes -- References -- 6 Implications on the Proposed Basic Income Reform -- 6.1 Data -- 6.1.1 General Information on the GSOEP -- 6.1.2 Imputation and Non-responses -- 6.1.3 The Household Concept of the GSOEP -- 6.1.4 Income and Working Hours Distributions -- 6.2 Sample Selection Estimations for Expected Wage Rates -- 6.3 Calibration of the Multinomial Logit Regression Model -- 6.3.1 Estimation Results -- 6.3.2 Modeling the Status Quo -- 6.4 Allocation Effects of the Basic Income Schemeand its Feasibility -- 6.4.1 Expected Changes in Household Labor Supply -- 6.4.2 Feasibility of the Proposed Tax-and-TransferScheme -- 6.5 Distributional Effects of the Basic Income Scheme -- 6.5.1 Estimated Changes in Poverty -- 6.5.2 Implications on Income Inequality -- 6.6 Critical Remarks -- References -- 7 Conclusion and Outlook -- A Efficient Wage Hypothesis -- References -- B Social Insurance Contributions in Germany -- C Calculations -- C.1 Multinomial Logit Estimation -- C.2 Translog Utility -- C.2.1 Married Couples -- C.2.2 One-Adult Households -- C.3 Constant Relative Inequality Aversion -- Reference -- D Descriptive Statistics -- E Social Security Parameters of 2010 (Germany) -- F GSOEP Questions
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  • 5
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: IASS 18.91692
    Type of Medium: Monograph available for loan
    Pages: xvi, 379 Seiten , Illustrationen , 23.5 cm x 15.5 cm
    ISBN: 3319769944 , 9783319769943 , 9783319769950 (electronic)
    Series Statement: Pioneers in arts, humanities, science, engineering, practice 16
    Language: English
    Branch Library: RIFS Library
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  • 6
    Call number: 6/M19.92211
    In: International Association of Geodesy Symposia, 148
    Description / Table of Contents: Part 1 Global gravity field modelling -- Rigorous evaluation of gravity field functionals from satellite-only gravitational models within topography -- Application of the Recursive Least-Squares adaptive filter on simulated satellite gravity gradiometry data -- Part 2 Local/regional geoid determination methods and models -- Accuracy of regional geoid modelling with GOCE -- The effect of noise on geoid height in Stokes-Helmert method -- Approximation of local quasi-geoid using point mass method based on Bjerhammar theory -- Optimal combination of satellite and terrestrial gravity data for regional geoid determination using Stokes-Helmert’s method, the Auvergne test case -- New modifications of Stokes’ Integral -- Gravimetric investigations at Vernagtferner -- Analysis of the GRAV-D airborne gravity data for geoid modelling -- The African 300”x300” DTM and its validation -- Evaluation of the African Gravity Database AFRGDB V1.0 -- Part 3 Absolute and relative gravity: observations and methods -- New absolute gravity measurements in New Zealand -- Strapdown airborne gravimetry using a combination of commercial software and stable-platform gravity estimates -- First six months of superconducting gravimetry in Argentina -- Tilt susceptibility of the Scintrex CG-5 Autograv gravity meter revisited -- Gravity calibration baseline between Jeddah and Taif in the Kingdom of Saudi Arabia -- Part 4 Height systems and vertical datum unification -- Investigation of geoid height variations and vertical displacements of the Earth surface in the context of the realization of a modern vertical reference system - A case study for Poland -- Analysis of GOCE omission error and its contribution to vertical datum offsets in Greece and its Islands -- Quality control of height benchmarks in Attica, Greece, combining GOCE/GRACE satellite data, global geopotential models and detailed terrain information -- GOCE variance and covariance contribution to height system unification -- The use of GNSS/levelling and gravity data for the Spanish height system unification -- Comparison of different approaches to gravity determination and their utilization for calculation of geopotential numbers in the Slovak national levelling network -- Assessment of the Greek Vertical Datum - A case study in central Greece -- Evaluation of NRTK-based heighting techniques from different continuously operating GNSS reference networks in Greece -- Part 5 Satellite altimetry and climate-relevant processes -- SLA determination in coastal areas using Least-Squares Collocation and Cryosat-2 data -- Spectral analysis and validation of Multiple Input / Multiple Output DOT estimation in the Eastern Mediterranean Sea -- Preliminary Results on the Estimation of Ground Water in Africa using GRACE and Hydrological Models
    Description / Table of Contents: These proceedings contain 27 papers, which are the peer-reviewed versions of presentations made at the International Association of Geodesy (IAG) symposium “Gravity, Geoid and Height Systems 2016” (GGHS2016). GGHS2016 was the first Joint international symposium organized by IAG Commission 2 “Gravity Field”, the International Gravity Field Service (IGFS) and the GGOS Focus Area “Unified Height System”. It took place in Thessaloniki, Greece, in September 19-23, 2016 at the premises of the Aristotle University of Thessaloniki. The symposium was organized by the Department of Geodesy and Surveying of the Aristotle University of Thessaloniki, which presently hosts the IGFS Central Bureau. The focus of the Symposium was on methods for observing, estimating and interpreting the Earth gravity field as well as its applications. GGHS2016 continued the long and successful history of IAG’s Commission 2 Symposia
    Type of Medium: Monograph available for loan
    Pages: IX, 230 Seiten
    ISBN: 9783319953182 , 9783319953175 (print) , 9783319953199 (print)
    Series Statement: International Association of Geodesy Symposia 148
    Language: English
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  • 7
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: IASS 17.91074
    Description / Table of Contents: Chapter 1. An Outline Map of Anticipation -- Chapter 2. Understanding the Future -- Chapter 3 Wholes -- Chapter 4 Time -- Chapter 5. Emergence -- Chapter 6. Systems -- Chapter 7. Complexity -- Chapter  8. The Modeling Relation -- Chapter 9. The Discipline of Anticipation
    Description / Table of Contents: This book presents the theory of anticipation, and establishes anticipation of the future as a legitimate topic of research. It examines anticipatory behavior, i.e. a behavior that ‘uses’ the future in its actual decisional process. The book shows that anticipation violates neither the ontological order of time nor causation. It explores the question of how different kinds of systems anticipate, and examines the risks and uses of such anticipatory practices.   The book first summarizes the research on anticipation conducted within a range of different disciplines, and describes the connection between the anticipatory point of view and futures studies. Following that, its chapters on Wholes, Time and Emergence, make explicit the ontological framework within which anticipation finds its place. It then goes on to discuss Systems, Complexity, and the Modeling Relation, and provides the scientific background supporting anticipation. It restricts formal technicalities to one chapter, and presents those technicalities twice, in formal and plain words to advance understanding. The final chapter shows that all the threads presented in the previous chapters naturally converge toward what has come to be called “Discipline of Anticipation”
    Type of Medium: Monograph available for loan
    Pages: X, 275 Seiten , Illustrationen
    ISBN: 9783319630212 (print) , 9783319630236 (eBook)
    Series Statement: Anticipation Science 1
    Language: English
    Branch Library: RIFS Library
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  • 8
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: M 19.92316
    Description / Table of Contents: Due to steadily improving experimental accuracy, relativistic concepts - based on Einstein’s theory of Special and General Relativity - are playing an increasingly important role in modern geodesy. This book offers an introduction to the emerging field of relativistic geodesy, and covers topics ranging from the description of clocks and test bodies, to time and frequency measurements, to current and future observations. Emphasis is placed on geodetically relevant definitions and fundamental methods in the context of Einstein’s theory (e.g. the role of observers, use of clocks, definition of reference systems and the geoid, use of relativistic approximation schemes). Further, the applications discussed range from chronometric and gradiometric determinations of the gravitational field, to the latest (satellite) experiments. The impact of choices made at a fundamental theoretical level on the interpretation of measurements and the planning of future experiments is also highlighted. Providing an up-to-the-minute status report on the respective topics discussed, the book will not only benefit experts, but will also serve as a guide for students with a background in either geodesy or gravitational physics who are interested in entering and exploring this emerging field
    Type of Medium: Monograph available for loan
    Pages: XIII, 479 Seiten , Illustrationen
    ISBN: 978-3-030-11499-2
    Series Statement: Fundamental Theories of Physics 196
    Language: English
    Note: Introduction -- Time and frequency metrology in the context of relativistic geodesy -- Chronometric geodesy: methods and applications -- Measuring the gravitational field in General Relativity: From deviation equations and the gravitational compass to relativistic clock gradiometry -- A Snapshot of J. L. Synge -- General Relativistic Gravity Gradiometry -- Reference-ellipsoid and normal gravity field in post-Newtonian geodesy -- Anholonomity in Pre and Relativistic Geodesy -- Epistemic relativity: An experimental approach to physics -- Use of geodesy and geophysics measurements to probe the gravitational interaction -- Operationalization of basic relativistic measurements -- Can spacetime curvature be used in future navigation systems? -- World-line perturbation theory -- On the applicability of the geodesic deviation equation in General Relativity -- Measurement of frame dragging with geodetic satellites based on gravity field models from CHAMP, GRACE and beyond -- Tests of General Relativity with the LARES Satellites
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  • 9
    Call number: 6/M 16.90069 ; 6/M 16.90069/ 2. Ex. ; 6/M 16.90069/ 3. Ex.
    In: International Association of Geodesy Symposia, 143
    Description / Table of Contents: This proceedings contains a selection of peer-reviewed papers presented at the IAG Scientific Assembly, Postdam, Germany, 1-6 September, 2013. The scientific sessions were focussed on the definition, implementation and scientific applications of reference frames; gravity field determination and applications; the observation and assessment of earth hazards. It presents a collection of the contributions on the applications of earth rotations dynamics, on observation systems and services as well as on imaging and positioning techniques and its applications.
    Type of Medium: Monograph available for loan
    Pages: xiv, 798 S.
    ISBN: 9783319246031
    Series Statement: International Association of Geodesy Symposia 143
    Classification:
    Geodesy
    Language: English
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  • 10
    Call number: M 18.92012
    In: Data assimilation for atmospheric, oceanic and hydrologic applications
    Description / Table of Contents: This book contains the most recent progress in data assimilation in meteorology, oceanography and hydrology including land surface. It spans both theoretical and applicative aspects with various methodologies such as variational, Kalman filter, ensemble, Monte Carlo and artificial intelligence methods. Besides data assimilation, other important topics are also covered including targeting observation, sensitivity analysis, and parameter estimation. The book will be useful to individual researchers as well as graduate students for a reference in the field of data assimilation.
    Type of Medium: Monograph available for loan
    Pages: xxxvi, 553 Seiten , Illustrationen
    Edition: 1. Auflage
    Edition: Online edition Springer eBook Collection. Earth and Environmental Science
    ISBN: 978-3-319-43414-8
    Series Statement: Data assimilation for atmospheric, oceanic and hydrologic applications Vol. III
    Language: English
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  • 11
    Call number: PIK N 531-19-92204
    Description / Table of Contents: This book aims to identify, present and discuss key driving forces and pressures on ecosystem services. Ecosystem services are the contributions that ecosystems provide to human well-being. The scope of this atlas is on identifying solutions and lessons to be applied across science, policy and practice. The atlas will address different components of ecosystem services, assess risks and vulnerabilities, and outline governance and management opportunities. The atlas will therefore attract a wide audience, both from policy and practice and from different scientific disciplines. The emphasis will be on ecosystems in Europe, as the available data on service provision is best developed for this region and recognizes the strengths of the contributing authors. Ecosystems of regions outside Europe will be covered where possible.
    Description / Table of Contents: Human well-being is significantly affected by the contributions provided by ecosystems, or ecosystem services. In this well-illustrated atlas, world-class experts identify and discuss key driving forces, trade-offs, and synergies of ecosystem services. Through interdisciplinary case studies varying across ecosystems and scales, this atlas narrows the knowledge gap between ecosystem services management and related fields of study. This atlas begins with conceptual background and proceeds to present drivers and their risks for ecosystems, their functions and services, and biodiversity. Trade-offs and synergies among ecosystem services and societal responses to the drivers and trade-offs are discussed. Sustainable land management and governance concepts are demonstrated throughout the atlas. Environmental scientists, practitioners and policy makers worldwide will appreciate the solutions and best practices identified throughout the chapters. Students of environmental sciences, socio-economics and landscape planning will find this atlas to be a valuable read, as well
    Type of Medium: Monograph available for loan
    Pages: XXX, 414 Seiten , Illustrationen, Diagramme, Karten
    ISBN: 9783319962283 , 9783319962290
    Language: English
    Note: Contents: The Risk to Ecosystems and Ecosystem Services: A Framework for the Atlas of Ecosystem Services ; The Ecosystem Service Concept: Linking Ecosystems and Human Wellbeing ; The Link Between Diversity, Ecosystem Functions, and Ecosystem Services ; Embracing Community Resilience in Ecosystem Management and Research ; Risk and Uncertainty as Sources of Economic Value of Biodiversity and Ecosystem Services ; Taking Social Responsibility in Using Ecosystem Services Concepts: Ethical Issues of Linking Ecosystems and Human Well-Being ; Introduction to Part II: Drivers and Their Risks for Ecosystems, Their Functions, and Services ; Scaling Sensitivity of Drivers ; The Evidence for Genetic Diversity Effects on Ecosystem Services ; Using Dynamic Global Vegetation Models (DGVMs) for Projecting Ecosystem Services at Regional Scales ; Remote Sensing Measurements of Forest Structure Types for Ecosystem Service Mapping ; Mapping Land System Archetypes to Understand Drivers of Ecosystem Service Risks ; Assessment of Soil Functions Affected by Soil Management ; Mediterranean Wetlands: A Gradient from Natural Resilience to a Fragile Social-Ecosystem ; Vulnerability of Ecosystem Services in Farmland Depends on Landscape Management ; Provisioning Ecosystem Services at Risk: Pollination Benefits and Pollination Dependency of Cropping Systems at the Global Scale ; Minimising Risks of Global Change by Enhancing Resilience of Pollinators in Agricultural Systems ; Drivers of Risks for Biodiversity and Ecosystem Services: Biogas Plants Development in Germany ; European Energy Governance Landscapes: Energy-Related Pressures on Ecosystem Services ; Wind Power Deployment as a Stressor for Ecosystem Services: A Comparative Case Study from Germany and Sweden ; Selected Trade-Offs and Risks Associated with Land Use Transitions in Central Germany ; New EU-Level Scenarios on the Future of Ecosystem Services ; The Rural-to-Urban Gradient and Ecosystem Services ; How to Reconcile the Ecosystem Service of Regulating the Microclimate with Urban Planning Projects on Brownfields? The Case Study Bayerischer Bahnhof in Leipzig, Germany ; Urban Green Infrastructure in Support of Ecosystem Services in a Highly Dynamic South American City: A Multi-Scale Assessment of Santiago de Chile ; Climate Regulation by Diverse Urban Green Spaces: Risks and Opportunities Related to Climate and Land Use Change ; Climate Change as Driver for Ecosystem Services Risk and Opportunities ; Capacity of Ecosystems to Degrade Anthropogenic Chemicals ; Impacts of Nitrogen Deposition on Forest Ecosystem Services and Biodiversity ; Ecosystem Services from Inland Waters and Their Aquatic Ecosystems ; Groundwater Ecosystems and Their Services: Current Status and Potential Risks ; Drinking Water Quality at Risk: A European Perspective ; Pesticide Effects on Stream Ecosystems ; How Good Are Bad Species? ; Alien Planktonic Species in the Marine Realm: What Do They Mean for Ecosystem Services Provision? ; Invasion of the Wadden Sea by the Pacific Oyster (Magallana gigas): A Risk to Ecosystem Services? ; International Trade and Global Flows of Ecosystem Services ; Introduction to Part III: Trade-Offs and Synergies Among Ecosystem Services ; Trade-Offs and Synergies Between Biodiversity Conservation and Productivity in the Context of Increasing Demands on Landscapes ; Climate Change Induced Carbon Competition: Bioenergy Versus Soil Organic Matter Reproduction ; Removal of Agricultural Residues from Conventional Cropping Systems ; Shrinking Cities and Ecosystem Services: Opportunities, Planning, Challenges, and Risks ; Spatial Patterns of Ecosystem Service Bundles in Germany ; Indicators of Ecosystem Services for Policy Makers in the Netherlands ; The Montérégie Connection: Understanding How Ecosystems Can Provide Resilience to the Risk of Ecosystem Service Change ; Synchronized Peak Rate Years of Global Resources Use Imply Critical Trade-Offs in Appropriation of Natural Resources and Ecosystem Services
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  • 12
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: PIK B 010-19-92685
    Description / Table of Contents: Contents: Chapter1. Complex Adaptive Systems and a Sustainability Framework -- Chapter2. Rural Development in the Poyang Lake Region amid Floods -- Chapter3. Assessing Well-being in the Poyang Lake Region -- Chapter4. Understanding the Complex Processes Underlying Well-being of Rural Households -- Chapter5. Exploring Future Rural Development in the Poyang Lake Region -- Chapter6. Sustainability of human-environment systems -- Chapter7. The complex systems approach to policy analysis
    Description / Table of Contents: This volume applies the science of complexity to study coupled human-environment systems (CHES) and integrates ideas from the social sciences of climate change into a study of rural development amid flooding and urbanization in the Poyang Lake Region (PLR) of China. Author Qing Tian operationalizes the concept of sustainability and provides useful scientific analyses for sustainable development in less developed rural areas that are vulnerable to climatic hazards. The book uses a new sustainability framework that is centered on the concept of well-being to study rural development in PLR. The PLR study includes three major analyses: (1) a regional assessment of human well-being; (2) an empirical analysis of rural livelihoods; and (3) an agent-based computer model used to explore future rural development. These analyses provide a meaningful view of human development in the Poyang Lake Region and illustrate some of the complex local- and macro-level processes that shape the livelihoods of rural households in the dynamic process of urbanization. They generate useful insights about how government policy might effectively improve the well-being of rural households and promote sustainable development amid social, economic, and environmental changes. This case study has broader implications. Rural populations in the developing world are disproportionally affected by extreme climate events and climate change. Furthermore, the livelihoods of rural households in the developing world are increasingly under the influences of macro-level forces amid urbanization and globalization. This case study demonstrates that rural development policies must consider broader development dynamics at the national (and even global) level, as well as specific local social and environmental contexts. By treating climate as one of many factors that affect development in such places, we can provide policy recommendations that synergistically promote development and reduce climatic impacts and therefore facilitate mainstreaming climate adaptation into development
    Type of Medium: Monograph available for loan
    Pages: XIX, 150 Seiten , Illustrationen, Diagramme, Karten
    ISBN: 9783319526843
    Series Statement: SpringerBriefs in Geography
    Language: English
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  • 13
    Call number: 6/M 19.92402
    In: International Association of Geodesy symposia, 149
    Type of Medium: Monograph available for loan
    Pages: ix, 206 Seiten , Illustrationen
    ISBN: 978-3-030-12915-6
    Series Statement: International Association of Geodesy Symposia 149
    Language: English
    Location: Reading room
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  • 14
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: IASS 20.94311
    Description / Table of Contents: 1. Introduction.-2. Assessment of Warming Projections and Probabilities for Brazil -- 3. Agricultural Sector -- 4. Health Sector -- 5. Biodiversity Sector -- 6. Energy Sector -- 7. Final Remarks and Recommendations -- Glossary
    Description / Table of Contents: This book maps extreme temperature increase under dangerous climate change scenarios in Brazil and their impacts on four key sectors: agriculture, health, biodiversity and energy. The book draws on a careful review of the literature and climate projections, including relative risk estimates. This synthesis summarizes the state-of-the-art knowledge and provides decision-makers with risk analysis tools, to be incorporated in public planning policy, in order to understand climate events which may occur and which may have significant consequences
    Type of Medium: Monograph available for loan
    Pages: XVIII, 226 S. , Illustrationen
    ISBN: 9783319928807 , 9783319928821 , 9783319928814
    Language: English
    Branch Library: RIFS Library
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  • 15
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: M 19.92969
    Description / Table of Contents: This book on space geodesy presents pioneering geometrical approaches in the modelling of satellite orbits and gravity field of the Earth, based on the gravity field missions CHAMP, GRACE and GOCE in the LEO orbit. Geometrical approach is also extended to precise positioning in space using multi-GNSS constellations and space geodesy techniques in the realization of the terrestrial and celestial reference frame of the Earth. This book addresses major new developments that were taking place in space geodesy in the last decade, namely the availability of GPS receivers onboard LEO satellites, the multitude of the new GNSS satellite navigation systems, the huge improvement in the accuracy of satellite clocks and the revolution in the determination of the Earth's gravity field with dedicated satellite missions
    Type of Medium: Monograph available for loan
    Pages: xxiii, 537 Seiten , Illustrationen
    ISBN: 978-3-319-76872-4
    Series Statement: Springer Theses, Recognizing Outstanding Ph.D. Research
    Classification:
    Geodetic Theory and Modeling
    Language: English
    Note: Inhaltsverzeichnis: - The First Geometric POD of LEO Satellites - a Piece of History - Reference Frame From the Combination of a LEO Satellite with GPS Constellation and Ground Network of GPS Stations - Geometrical Model of the Earth’s Geo center Based on Temporal Gravity Field Maps - First Phase Clocks and Frequency Transfer - First Geometric POD of GPS and Galileo Satellites - Kinematics of IGS Stations - Reduced-Kinematic POD - First GPS Baseline in Space - the GRACE Mission - Geometrical Modeling of the Ionosphere and the Troposphere with LEO Orbit - Aerodynamics in Low LEO: A Novel Approach to Modeling Air Density Based on IGS TEC Maps - GPS Single-Frequency: From First cm-POD to Single Frequency GNSS-RO/R - Absolute Code Biases Based on the Ambiguity-Free Linear Combination - DCBs without TEC - LEO Near-Field Multipath and Antenna Effects - Probing the Flyby Anomaly Using Kinematic POD - Exotic Applications of Kinematic POD - Galileo-2: A Highly Accurate Dynamical GEO Reference Frame to Complement the TRF - Geometrical Representation of Gravity Field Determination
    Location: Upper compact magazine
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  • 16
    Call number: M 18.91464
    In: Astrophysics and space science library
    Description / Table of Contents: This book addresses and reviews many of the still little understood questions related to the processes underlying planetary magnetic fields and their interaction with the solar wind. With focus on research carried out within the German Priority Program ”PlanetMag”, it also provides an overview of the most recent research in the field. Magnetic fields play an important role in making a planet habitable by protecting the environment from the solar wind. Without the geomagnetic field, for example, life on Earth as we know it would not be possible. And results from recent space missions to Mars and Venus strongly indicate that planetary magnetic fields play a vital role in preventing atmospheric erosion by the solar wind. However, very little is known about the underlying interaction between the solar wind and a planet’s magnetic field. The book takes a synergistic interdisciplinary approach that combines newly developed tools for data acquisition and analysis, computer simulations of planetary interiors and dynamos, models of solar wind interaction, measurement of ancient terrestrial rocks and meteorites, and laboratory investigations
    Type of Medium: Monograph available for loan
    Pages: XVIII, 413 p. 163 illus., 102 illus. in color
    Edition: Online edition Springer eBook Collection. Physics and Astronomy
    ISBN: 9783319642925 , 9783319642918 (print)
    Series Statement: Astrophysics and Space Science Library 448
    Classification:
    Geomagnetism, Geoelectromagnetism
    Language: English
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  • 17
    Call number: IASS 18.91780
    Description / Table of Contents: Part I - The Polar code and Beyond -- Part II - Arctic Ship Monitoring/Tracking -- Part III - Arctic Governance -- Part IV - Protection and Response in the Arctic Marine Environment -- Part V - Training and Capacity Building -- Part VI - Sustainable Arctic Business Development -- Part VII - Conclusion
    Description / Table of Contents: This volume brings together multiple perspectives on both the changing Arctic environment and the challenges and opportunities it presents for the shipping sector. It argues for the adoption of a forward-looking agenda that respects the fragile and changing Arctic frontier. With the accelerated interest in and potential for new maritime trade routes, commercial transportation and natural resource development, the pressures on the changing Arctic marine environment will only increase. The International Maritime Organization Polar Code is an important step toward Arctic stewardship. This new volume serves as an important guide to this rapidly developing agenda. Addressing a range of aspects, it offers a valuable resource for academics, practitioners, environmentalists and affected authorities in the shipping industry alike
    Type of Medium: Monograph available for loan
    Pages: ix, 486 Seiten , Illustrationen
    ISBN: 9783319784243 , 9783319784250 (eBook)
    Series Statement: WMU Studies in Maritime Affairs 7
    Language: English
    Branch Library: RIFS Library
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  • 18
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: AWI G2-20-93405
    Description / Table of Contents: This volume describes the complex characteristics of almost all Russian coastal estuaries systematized in the following regions: the coasts of the White Sea, the Barents Sea, the Kara Sea, the Laptev Sea, the East Siberian Sea, the Chukchi Sea, the Black Sea, the Sea of Azov, the Baltic Sea, the Sea of Okhotsk, the Sea of Japan and the Bering Seas. The part on the Baltic Sea includes a detailed description of the Kaliningrad coast and the Gulf of Finland. Apart from the geology and morphology, this book also looks at the anthropogenic effects on shores as well as at hydrological conditions, local climate and water level characteristics, and at economic use of lagoons
    Type of Medium: Monograph available for loan
    Pages: xiii, 270 Seiten , Illustrationen
    ISBN: 9783319433929 , 9783319433905 (print)
    Series Statement: Estuaries of the World
    Language: English
    Note: Contents 1 Specific Features of Estuaries, Lagoons, Limans: Concepts and Terms / Petr Brovko and Ruben Kosyan 2 Estuaries and Lagoons of the Russian Arctic Seas / Vyacheslav Krylenko 3 Estuaries, Lagoons, and Limans of the Marginal Seas of Northeast Asia / Petr Brovko, Yuri Mikishin, and Tamara Ponomareva 4 Lagoons of the Black Sea / Vyacheslav Krylenko and Marina Krylenko 5 Lagoons of the Smallest Russian Sea / Marina Krylenko, Ruben Kosyan, and Vyacheslav Krylenko 6 Transboundary Lagoons of the Baltic Sea / Boris Chubarenko, Dmitriy Domnin, Svetlana Navrotskaya, Zhanna Stont, Vladimir Chechko, Valentina Bobykina, Vasiliy Pilipchuk, Konstantin Karmanov, Anastasea Domnina, Tatiana Bukanova, Victoria Topchaya, and Alexander Kileso 7 Neva Bay: A Technogenic Lagoon of the Eastern Gulf of Finland (Baltic Sea) / Daria Ryabchuk, Vladimir Zhamoida, Marina Orlova, Alexander Sergeev, Julia Bublichenko, Andrey Bublichenko, and Leontina Sukhacheva 8 The White Sea as an Estuarine System / Evgeniy Ignatov, Oleksiy Kalynychenko, and Anatoliy Pantiulin 9 The Diversity of Russian Estuaries / Ruben Kosyan, Petr Brovko, and Jean-Paul Ducrotoy Index
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  • 19
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: M 18.91552
    Type of Medium: Monograph available for loan
    Edition: 8th edition
    ISBN: 978-3-319-78526-4
    Series Statement: Springer Textbooks in Earth Sciences, Geography and Environment
    Classification:
    Geochemistry
    Language: English
    Location: Upper compact magazine
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  • 20
    Call number: 6/M 16.89962
    In: International Association of Geodesy Symposia, 142
    Description / Table of Contents: Part I Lincei session -- Opening remarks for the 2013 Hotine-Marussi symposium -- Fernado Sansò laudation -- Global Reference Systems: Theory and open questions -- Part II Geodetic data analysis -- Noise analysis of continuous GPS time series of selected EPN stations to investigate variations in stability of monument types -- Improvement of Least-Squares Collocation error estimates using local GOCE Tzz signal standard deviations -- Multivariate Integer Cycle-Slip Resolution: A Single-Channel Analysis -- Theory of Earth Rotation Variations -- Variable seasonal and subseasonal oscillations in sea level anomaly data and their impact on prediction accuracy -- Permanent GPS networks in Italy: analysis of time series noise -- VADASE: state of the art and new developments of a third way to GNSS Seismology -- On the spatial resolution of homogeneous isotropic filters on the sphere -- On time-variable seasonal signals: comparison of SSA and Kalman filtering based approach -- Extensive analysis of IGS REPRO1 coordinate time series -- Part III Geopotential modeling, boundary value problems and height systems -- Determination of W0 from the GOCE measurements using the method of fundamental solutions -- Combination of GOCE gravity gradients in regional gravity field modelling using radial basis functions -- Rosborough representation in satellite gravimetry -- Combining Different Types of Gravity Observations in Regional Gravity Modeling in Spherical Radial Basis Functions -- Height Datum Unification by Means of the GBVP Approach Using Tide Gauges -- Computation of Zenith Total Delay Correction Fields using Ground-Based GNSS -- Rigorous interpolation of atmospheric state parameters for ray-traced tropospheric delays -- Comparison of different techniques for tropospheric wet delay retrieval over South America and surrounding oceans -- Part V Gravity field mapping methodology from GRACE and future gravity missions -- The role of position information for the analysis of K-Band data - experiences from GRACE and GOCE for GRAIL gravity field recovery -- Gravity field mapping from GRACE: different approaches - same results? -- The effect of pseudo-stochastic orbit parameters on GRACE monthly gravity fields - insights from lumped coefficients -- On an iterative approach to solving the nonlinear satellite-fixed geodetic boundary-value problem -- An OpenCL implementation of ellipsoidal harmonics -- A remark on the computation of the gravitational potential of masses with linearly varying density -- The observation equation of spirit leveling in Molodensky’s context -- Reference station weighting and frame optimality in minimally constrained networks -- Atmospheric loading and mass variation effects on the SLR-defined geocenter -- Part VIII Digital Terrain Modeling, Synthetic Aperture Radar and new sensors: theory and methods -- Radargrammetric Digital Surface Models Generation from High Resolution Satellite SAR Imagery: Methodology and Case Studies -- Principles and applications of polarimetric SAR tomography for the characterization of complex environments -- Merging local DTMs: methodological problems and practical solutions on heli-dem case study -- Part IX Inverse modeling, estimation theory -- Single-Epoch GNSS Array Integrity: an Analytical Study -- Global to local Moho estimate based on GOCE geopotential model and local gravity data -- An overview of adjustment methods for mixed additive and multiplicative random error models -- Cycle slip detection and correction for heading determination with low-cost GPS/ INS receivers -- Adjusting the errors-in-variables model: linearized least-squares vs. nonlinear total least-squares -- Multivariate GNSS Attitude Integrity: the Role of Affine Constraints -- Integrating geological prior information into the inverse gravimetric problem: the Bayesian approach -- Effects of Different Objective Functions in Inequality Constrained and Rank-Deficient Least-Squares Problems
    Description / Table of Contents: This volume contains the proceedings of the VIII Hotine-Marussi Symposium on Mathematical Geodesy, which was held June 17 to 21, 2013, in Rome, Italy. Since 2006 the series of Hotine-Marussi Symposia is under the responsibility of the InterCommission Committee on Theory (ICCT), a cross-commission entity within the International Association of Geodesy (IAG). The overall goal of the Hotine-Marussi Symposia has always been the advancement of theoretical geodesy. The 39 papers in these proceedings areindeed testimony to the width and vibrancy of theoretical geodesy. The Symposium was organized in 8 topical sessions reflecting all branches of geodesy: from geodetic data analysis through potential field modeling to estimation theory. Also theoretical aspects of reference frames and of novel sensors were covered. During a special session at the AccademiaNazionaledeiLinceiFernando Sansò was put into the spotlight in order to acknowledge his long-term commitment and dedication as the driving force behind the series of Hotine-Marussi Symposia over the past decades
    Type of Medium: Monograph available for loan
    Pages: XIV, 340 S.
    Edition: 1st ed. 2016
    Edition: Online edition Springer eBook Collection. Earth and Environmental Science
    ISBN: 9783319245485
    Series Statement: International Association of Geodesy Symposia 142
    Classification:
    Geodesy
    Language: English
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  • 21
    Call number: PIK E 719-18-91757
    Type of Medium: Monograph available for loan
    Pages: VI, 361 Seiten , Illustrationen, Diagramme
    ISBN: 9783319773315 , 9783319773322
    Series Statement: Computational Social Sciences
    Language: English
    Note: Contents: Part 1: Introduction to Spreading in Social Systems ; Complex Contagions: A Decade in Review ; A Simple Person’s Approach to Understanding the Contagion Condition for Spreading Processes on Generalized Random Networks ; Challenges to Estimating Contagion Effects from Observational Data ; Part 2: Models and Theories ; Slightly Generalized Contagion: Unifying Simple Models of Biological and Social Spreading ; Message-Passing Methods for Complex Contagions ; Optimal Modularity in Complex Contagion ; Probing Empirical Contact Networks by Simulation of Spreading Dynamics ; Theories for Influencer Identification in Complex Networks ; Part 3: Observational Studies ; Service Adoption Spreading in Online Social Networks ; Misinformation Spreading on Facebook ; Scalable Detection of Viral Memes from Diffusion Patterns ; Attention on Weak Ties in Social and Communication Networks ; Measuring Social Spam and the Effect of Bots on Information Diffusion in Social Media ; Network Happiness: How Online Social Interactions Relate to Our Well Being ; Information Spreading During Emergencies and Anomalous Events ; Part 4: Controlled Studies ; Randomized Experiments to Detect and Estimate Social Influence in Networks ; The Rippling Effect of Social Influence via Phone Communication Network ; Network Experiments Through Academic-Industry Collaboration ; Spreading in Social Systems: Reflections
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  • 22
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: 10/M 17.91211 ; M 18.91287
    Type of Medium: Monograph available for loan
    Pages: v, 289 Seiten
    ISBN: 9783319646640
    Series Statement: Advances in isotope geochemistry
    Classification:
    Geochemistry
    Language: English
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  • 23
    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: M 20.93252
    Description / Table of Contents: This book is a collection of ISRM suggested methods for testing or measuring properties of rocks and rock masses both in the laboratory and in situ, as well as for monitoring the performance of rock engineering structures. The first collection (Yellow Book) has been published in 1981. In order to provide access to all the Suggested Methods in one volume, the ISRM Blue Book was published in 2007 (by the ISRM via the Turkish National Group) and contains the complete set of Suggested Methods from 1974 to 2006 inclusive. The papers in this most recent volume have been published during the last seven years in international journals, mainly in Rock Mechanics and Rock Engineering. They offer guidance for rock characterization procedures and laboratory and field testing and monitoring in rock engineering. These methods provide a definitive procedure for the identification, measurement and evaluation of one or more qualities, characteristics or properties of rocks or rock systems that produces a test result.
    Type of Medium: Monograph available for loan
    Pages: 293 Seiten , Graphiken
    Edition: 1st ed. 2015
    ISBN: 978-3-319-36132-1
    Classification:
    Engineering
    Language: English
    Note: The present and future of rock testing: highlighting the ISRM suggested methods Laboratory testing Suggested method for determination of the Schmidt Hammer rebound hardness: revised version Suggested methods for determining the dynamic strength parameters and mode-I fracture toughness of rock materials Suggested method for the determination of mode II fracture toughness Suggested method for reporting rock laboratory test data in electronic format Upgraded suggested method for determining sound velocity by ultrasonic pulse transmission technique Suggested method for determining the abrasivity of rock by the Cerchar Abrasivity test Suggested method for determining the mode I static fracture toughness using semi-circular bend specimen Suggested methods for determining the creep characteristics of rock Suggested method for laboratory determination of the shear strength of rock joints: revised version Suggested method for the needle penetration test Field testing Suggested method for rock fractures observations using a borehole digital optical televiewer Suggested method for measuring rock mass displacement using a sliding micrometer Suggested method for step-rate injection method for fracture in-situ properties (SIMFIP): Using a 3-Components Borehole Deformation Sensor Suggested Methods for rock stress estimation—Establishing a model for the in situ stress at a given site Monitoring Suggested method for monitoring rock displacements using the global positioning system (GPS) Suggested methods for rock failure criteria: general introduction Introduction to suggested methods for failure criteria Mohr–Coulomb failure criterion The Hoek–Brown failure criterion Three-dimensional failure criteria based on the Hoek–Brown criterion Drucker-Prager criterion Lade and modified Lade 3D rock strength criteria A failure criterion for rocks based on true triaxial testing A survey of 3D laser scanning techniques for application to rock mechanics and rock engineering
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  • 24
    Call number: M 20.93843
    Description / Table of Contents: This book presents a comprehensive overview of the freezing of colloidal suspensions and explores cutting-edge research in the field. It is the first book to deal with this phenomenon from a multidisciplinary perspective, and examines the various occurrences, their technological uses, the fundamental phenomena, and the different modeling approaches. Its chapters integrate input from fields as diverse as materials science, physics, biology, mathematics, geophysics, and food science, and therefore provide an excellent point of departure for anyone interested in the topic.The main content is supplemented by a wealth of figures and illustrations to elucidate the concepts presented, and includes a final chapter providing advice for those starting out in the field. As such, the book provides an invaluable resource for materials scientists, physicists, biologists, and mathematicians, and will also benefit food engineers, civil engineers, and materials processing professionals.
    Type of Medium: Monograph available for loan
    Pages: XXIII, 598 Seiten , Illustrationen
    ISBN: 978-3-319-50513-8
    Language: English
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  • 25
    facet.materialart.12
    Cham : Springer International Publishing
    Call number: 9783319468075 (e-book)
    Type of Medium: 12
    Pages: 1 online resource (593 pages) , Illustrationen
    ISBN: 9783319468075
    Language: English
    Note: Contents 1 The Conifers Conifer Taxonomy Geographic Distribution and Biogeography Life History Ecological Tolerance Conifer Mating System, Life Cycle, and Reproduction The Largest, Tallest, and Oldest Organisms on the Planet Genetic Diversity Summary Part I Genomes 2 Genomes: Classical Era The Beginnings of Genome Research in Conifers Chromosome Number and Polyploidy Genome Size Karyotype Analysis Genome Content Organelle Genomes: Chloroplast and Mitochondria Size and Structure Gene Content Inheritance Variation Summary 3 Gene and Genome Sequencing in Conifers: Modern Era A Short History of DNA Sequencing in Conifers Expressed Sequence Tag Sequencing Gene Discovery Using Next-Generation Sequencing Conifer Reference Genome Sequences Sequencing, Assembly, and Annotation Strategies Summary Statistics of Published Conifer Genome Sequences Discovery of the Noncoding DNA Content of Conifer Genomes Discovery of the Number and Types of Coding Genes in Conifers Chloroplast and Mitochondrial Genome Sequencing Summary 4 Noncoding and Repetitive DNA Introduction Ribosomal DNA Tandem Repeats: Satellite, Minisatellite, and Microsatellite DNA Transposons and Retrotransposons Pseudogenes Summary 5 Gene Structure and Gene Families A Short History of Early Conifer Gene Sequencing Wood-Forming Genes Vegetative Growth Genes Floral Genes Light-Regulated Genes Defense-Related Genes Disease-Resistant Genes Summary 6 Gene Expression and the Transcriptome A Short History of Gene Expression Studies in Conifers Wood Formation Biotic Factors Abiotic Factors Seasonal Patterns Epigenetic Control of Gene Expression Summary 7 Proteomics and Metabolomics A Short History of Proteomic and Metabolomic Research in Conifers Wood Formation Biotic Factors Abiotic Factors Seed Development and Somatic Embryogenesis Summary Part II Variation 8 Phenotypic Variation in Natural Populations Introduction Definitions Terms for Describing the Identity of Experimental Plant Materials: Provenance, Population, Seed Source, and Accession Terms for Describing Patterns of Genetic Variation on the Natural Landscape: Cline, Race, and Ecotype Historical Perspectives Application of Common Garden Experiments Experimental Approaches and Analytical Methods Experimental Approaches Analytical Methods Dependent and Independent Variables Common Garden Testing Literature Amount, Distribution, and Pattern of Genetic Variation in Phenotypic Traits of Conifers Amount and Distribution of Genetic Variation Patterns of Variation Are Local Sources Best? Case Studies Pseudotsuga menziesii (Douglas-fir) Pinus Summary 9 Neutral Genetic Variation Introduction and Background Molecular Markers Used in the Study of Neutral Variation Three Conifer Genomes Purpose and Applications of Neutral Genetic Variation Studies General Diversity Results: Allozymes Variation Within Species Variation Within Populations Distribution of Variation Among Populations (Based on Polymorphic Loci only) Differences in Measures of Diversity Among Conifer Genera and Families Allozyme Summary General Diversity Results: Molecular Markers Organelle Markers Nuclear Markers Population Differentiation Factors Affecting Amount and Distribution of Genetic Variation Mating Systems Gene Flow Genetic Drift Case Studies Diversity, Population Structure, and Biogeography Conservation and Mating Systems Effects of Forest Management and Tree Improvement on Genetic Diversity Summary 10 Adaptive Genetic Variation A Short History of Adaptive Genetic Variation in Conifers General Trends in Patterns of Adaptive Genetic Diversity in Conifers Observed from Neutrality and FST Outlier Tests Detection of Nonneutral Genes in a Few Conifer Species Pinus taeda Pinus sylvestris Pinus mugo, P. uncinata, and P. uliginosa Pinus pinaster and P. halepensis Pinus radiata Pinus contorta Pinus massoniana and P. hwangshanensis Pinus lambertiana and Other Subgenus Strobus Species Pseudotsuga menziesii Larix Species Abies Species Picea Species Cryptomeria japonica and Taxodium distichum Summary 11 Quantitative Trait Dissection A Short History of Complex Trait Dissection in Conifers Pinus taeda Pinus elliottii Pinus radiata Pinus sylvestris Pinus pinaster Pinus contorta Pseudotsuga menziesii Picea ssp. Larix ssp. Cryptomeria japonica Summary 12 Landscape Genomics A Short History of Landscape Genomics Studies in Conifers Pinus Subgenus Pinus Pinus Subgenus Strobus Picea Abies and Larix Summary 13 Conservation Genetics A Brief Introduction to Conservation Genetics in Forestry Fragmentation Habitat Loss Forest Practice Disease Insects Climate Change Summary 14 Forest Health Introduction The Growing Relevance of Forest Health Genetic Variation in Forest Health Traits Insects and Disease Abiotic Stress Mechanisms of Resistance and Tolerance Case Studies Resistance to Pissodes strobi (White Pine Weevil) Found in Picea sitchensis (Sitka spruce) Resistance to an Introduced Pathogen (Phytophthora lateralis) in Chamaecyparis lawsoniana (Port-Orford-cedar) Resistance to Stem Rusts in North American White Pines and Southern Yellow Pines Summary Part III Evolution 15 Hybridization and Introgression Introduction Definitions and Background Definitions Background Approaches to Identifying Hybrids and Quantifying Levels of Introgression Evolving Insights Case Studies of Introgressive Hybridization in Conifers Pinus contorta (Lodgepole Pine) x P. banksiana (Jack Pine) Picea sitchensis (Sitka Spruce) x P. glauca (White Spruce) and P. engelmannii (Engelmann Spruce) x P. glauca Pinus taeda (Loblolly Pine) x P. echinata (Shortleaf Pine) Hybrid Speciation Artificial Hybrids Summary 16 Paleobotany, Taxonomic Classification, and Phylogenetics Introduction Paleobotany Taxonomic Classification Cupressus Pinus Phylogenetics Character Selection The Conifers and Related Gymnosperms Araucariaceae Cupressaceae Pinaceae Podocarpaceae Sciadopityaceae Taxaceae Summary 17 Comparative Genomics Introduction to Comparative Genomics Comparative Mapping Comparative Gene Content and Transcriptomics Comparative Genome Sequences Summary 18 Historical Perspective and Future Directions in Forest Genetics and Genomics Historical Perspective Current Situation Future Directions Primary Commercial Species (Group A) Appendix 1 Appendix 2 References Index
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    Call number: https://doi.org/10.1007/978-3-319-72026-5 [Volltext]
    Description / Table of Contents: This book provides an authoritative insight on the Loss and Damage discourse by highlighting state-of-the-art research and policy linked to this discourse and articulating its multiple concepts, principles and methods. Written by leading researchers and practitioners, it identifies practical and evidence-based policy options to inform the discourse and climate negotiations. With climate-related risks on the rise and impacts being felt around the globe has come the recognition that climate mitigation and adaptation may not be enough to manage the effects from anthropogenic climate change. This recognition led to the creation of the Warsaw International Mechanism on Loss and Damage in 2013, a climate policy mechanism dedicated to dealing with climate-related effects in highly vulnerable countries that face severe constraints and limits to adaptation. Endorsed in 2015 by the Paris Agreement and effectively considered a third pillar of international climate policy, debate and research on Loss and Damage continues to gain enormous traction. Yet, concepts, methods and tools as well as directions for policy and implementation have remained contested and vague. Suitable for researchers, policy-advisors, practitioners and the interested public, the book furthermore: • discusses the political, legal, economic and institutional dimensions of the issue • highlights normative questions central to the discourse • provides a focus on climate risks and climate risk management • presents salient case studies from around the world
    Description / Table of Contents: Chapter 1. Overview: Climate risk management and justice for the L&D debate -- Chapter 2. History of debate: from climate justice to climate risk management.-Chapter 3. What is Loss & Damage? Perspectives & Concepts -- Chapter 4.Weather related losses and damages: what can we learn from disaster data? -- Chapter 5. Frontiers in science for supporting L&D decision making -- Chapter 6. Attribution -- Chapter 7. Legal liability -- Chapter 8. What does non-economic loss and damage mean and what challenge does it present to the L&D Mechanism? -- Chapter 9. Loss & Damage to ecosystem services -- Chapter 10. Technology Justice and Loss and damage -- Chapter 11. Integrated Management of Climate Risk -- Chapter 12. A Socio-Economic Climate Risk Management Framework to inform the Loss and Damage mechanism -- Chapter 13.Exploring adaptation frontiers with insurance: the role of risk transfer -- Chapter 14. Climate insurance and risk management: From AOSIS to MCII to InsuResilience -- Chapter 15. Climate insurance? Reviewing regional sovereign insurance pools -- Chapter 16.Balancing liability and needs - a principled approach for the L&D mechanism -- Chapter 17. The case for Loss and Damage in Bangladesh -- Chapter 18. Local-level Implementation of Loss and Damage: insights from the Zurich Flood Resilience Alliance work in Peru & Nepal
    Type of Medium: 12
    Pages: Online-Ressource (XXII, 557 p. 107 illus., 97 illus. in color, online resource)
    Edition: Springer eBook Collection. Earth and Environmental Science
    ISBN: 9783319720265
    Series Statement: Climate Risk Management, Policy and Governance
    URL: Volltext  (kostenfrei)
    Language: English
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    Monograph available for loan
    Monograph available for loan
    Cham : Springer International Publishing
    Call number: M 16.89585
    Description / Table of Contents: This manuscript sets out a process for estimating fatalities in collapsed buildings due to ground shaking in an earthquake. The aim of this research is to supplement current earthquake loss estimation with fatality rates (percentage of occupants killed) for use in models which are based on recent empirical information on deaths from earthquakes. This document specifically explores the lethality potential to occupants of collapsed structures. Whilst earthquake casualty modeling has admittedly suffered from a lack of post-earthquake collection of data and rigour in assessing these data, recent earthquakes such as 2008 Wenchuan (China) and 2011 Christchurch (New Zealand) have brought to light some important findings. Under the auspices of US Geological Survey’s PAGER, empirical fatality data related to collapses of buildings from significant earthquakes in the past 40 years have been thoroughly examined. Through detailed investigations of fatal building collapses and the volume reductions within these buildings, important clues related to the lethality potential of different failure mechanisms of global modern and older construction types were found. The gathered evidence forms the basis of the derivation of a set of fatality rates for use in loss models. The set of judgment-based rates are for 31 global building types. This significant advancement in casualty modeling, the resolutions and quality of available data, the important assumptions made, and the final derivation of fatality rates are discussed here. This document contributes to global efforts to develop a way of estimating probable earthquake fatalities very rapidly after an earthquake has taken place. The fatality rates proposed here can be incorporated directly into earthquake loss estimation models where fatalities are derived from collapses of different types of buildings
    Type of Medium: Monograph available for loan
    Pages: XI, 62 S.
    Edition: Online edition Springer eBook Collection. Earth and Environmental Science
    ISBN: 9783319268378
    Series Statement: SpringerBriefs in Earth Sciences
    Classification:
    Seismology
    Language: English
    Note: IntroductionMain Assumptions of the Assignment Process -- Definition of Collapse -- Proposing a Range for Fatality Rates in a Collapsed Building -- Assignments of judgment-based fatality rates -- Conclusions. ..
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    Call number: 8/M 17.90854
    In: Geotechnical, geological and earthquake engineering ; 42
    Description / Table of Contents: 1 Introduction -- 2 General Concepts and PSHA Background -- 3 Seismic Source Characterization -- 4 Rock Motion Characterization -- 5 Site Response Characterization -- 6 Seismic Hazard Computation -- 7 Interfaces Between Sub Projects -- 8 Probabilistic Seismic Testing and Updating of Seismic Hazard Results -- 9 Summary and Way Forward -- 10 References -- 11 Annex 1: List of Committee Members -- 12 Annex 2: List of Publications
    Description / Table of Contents: This book presents a summary of the important outcomes of the SIGMA project related to all aspects of Probabilistic Seismic Hazard Assessment: source characterization, rock motion characterization, site response characterization, and hazard calculations, with for all of them emphasis on the treatment of uncertainties. In recent years, attempts have been made to identify and quantify uncertainties in seismic hazard estimations for regions with moderate seismicity. These uncertainties, for which no estimation standards exist, create major difficulties and can lead to different interpretations and divergent opinions among experts. To address this matter, an international research project was launched in January 2011, by an industrial consortium composed of French and Italian organizations. This program, named SIGMA (Seismic Ground Motion Assessment) lasted for five years and involved a large number of international institutions. This book is intended for instructors running courses on engineering seismology, graduate students in the same field and practicing engineers involved in Probabilistic Seismic Hazard Analyses
    Type of Medium: Monograph available for loan
    Pages: XI, 172 Seiten , farbige Illustrationen
    ISBN: 9783319581545 , 9783319581538 (print)
    Series Statement: Geotechnical, Geological and Earthquake Engineering 42
    Language: English
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  • 29
    Call number: 10/M 18.90965 ; M 18.90965
    Description / Table of Contents: The book summarizes the knowledge and experiences concerning the role of halogens during various geochemical processes, such as diagenesis, ore-formation, magma evolution, metasomatism, mineralization, and metamorphism in the crust and mantle of the Earth. It comprises the role of halogens in other terrestrial worlds like volatile-rich asteroids, Mars, and the ice moons of Jupiter and Saturn. Review chapters outline and expand upon the basis of our current understanding regarding how halogens contribute to the geochemical/geophysical evolution and stability of terrestrial worlds overall.
    Type of Medium: Monograph available for loan
    Pages: vi, 1030 Seiten
    Edition: 1st edition 2018
    ISBN: 978-3-319-61665-0
    Series Statement: Springer Geochemistry
    Classification:
    Geochemistry
    Language: English
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    Call number: IASS 16.89795
    Description / Table of Contents: Interdisciplinarity has seemingly become a paradigm for modern and meaningful research. Clearly, the interdisciplinary modus of deliberation enables to unfold relevant but quite different disciplinary perspectives to the reflection of broader scientific questions or societal problems. However, whether the comprehensive results of interdisciplinary reflection prove to be valid or to be acceptable in trans-disciplinary terms depends upon certain preconditions, which have to be fulfilled for securing scientific quality and social trust in advisory contexts. The present book is written by experts and practitioners of interdisciplinary research and policy advice. It analyses topical and methodological approaches towards interdisciplinarity, starting with the current role of scientific research in society. The volume continues with contributions to the issues of knowledge and acting and to trans-disciplinary deliberation. The final conclusions address the scientific system as substantial actor itself as well as the relevant research and education politics
    Type of Medium: Monograph available for loan
    Pages: XVI, 195 p. 6 illus., 4 illus. in color
    Edition: Online edition Springer eBook Collection. Engineering
    ISBN: 9783319114002 , 9783319113999
    Series Statement: Ethics of Science and Technology Assessment, Schriftenreihe der EA European Academy of Technology and Innovation Assessment GmbH 43
    Language: English
    Note: IntroductionScience in Society -- Knowing and Acting -- Trans-disciplinary Deliberation -- Conclusions/Recommandations..
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  • 31
    Call number: 6/M 17.90633
    In: International Association of Geodesy Symposia, 144
    Description / Table of Contents: Part 1 - Gravimetry and gravity networks -- Quality assessment of the new gravity control in Poland - first estimate -- Estimability in Strapdown Airborne Vector Gravimetr -- A First Traceable Gravimetric Calibration Line in the Swiss Alps -- Airborne gravimetry for geoid and GOCE -- Testing airborne gravity data in the large-scale area of Italy and adjacent seas -- The effect of helium emissions by a superconducting gravimeter on the rubidium frequency standards of absolute gravimeters -- Part 2 - Global geopotential models and vertical datum unification -- Wavelet multi-resolution analysis of recent GOCE/GRACE GGMs -- Evaluation of GOCE-based Global Geopotential Models Versus EGM2008 and GPS/Levelling Data in Northwest of Turkey -- Precise modelling of the static gravity field from the GOCE data using the method of fundamental solutions -- Towards a Vertical Reference Frame for South America in view of the GGOS specifications Andrea Galudht Santacruz Jaramillo, Sílvio Rogério Correia De Freitas, Laura Sánchez -- Ellipsoidal effects in high accuracy quasigeoid computations: verification of the apparatus Otakar Nesvadba, Petr Holota -- Evaluation of GOCE/GRACE GGMs over Attica and Thessaloniki, Greece, and Wo determination for height system unification -- The DTU13 MSS (Mean Sea Surface) and MDT (Mean Dynamic Topography) from 20 years of satellite altimetry -- Part 3 - Local geoid/gravity modeling -- A new gravimetric geoid model for the area of Sudan using the least squares collocation and a GOCE-based GGM -- Establishment of the Gravity Database AFRGDB V1.0 for the African Geoid -- Quasi-geoid model in the State of São Paulo -- Accurate Approximation of Vertical Gravity Gradient within the Earth’s External Gravity Field -- New geoid of Greenland, A case study of terrain and ice effects, GOCE and use of local sea level data -- Egyptian Geoid using Best Estimated Response of the Earth's Crust due to Topographic Loads -- Part 4 - Mass movements in the Earth system -- An investigation on the closure of the water budget methods over Volta Basin using multi-satellite data -- Application of Independent Component Analysis in GRACE- derived Water Storage Changes Interpretation, A case study of the Tibetan Plateau and its surrounding areas -- Mass variations in the Siberian permafrost region based on new GRACE results and auxiliary modeling -- Part 5 - Solid Earth Investigations -- Comparative study of the uniform and variable Moho density contrast in the Vening Meinesz-Moritz’s isostatic scheme for the gravimetric Moho recovery -- The New Method To Find The Anomalous Internal Structure Of Terrestrial Planets And Its Test On The Earth
    Description / Table of Contents: This volume contains the proceedings of 24 peer-reviewed papers presented at the 3rd International Gravity Field Service (IGFS) General Assembly, which was organized by the International Gravity Field Service (IGFS), Commission 2 of the International Association of Geodesy (IAG), and Shanghai Astronomical Observatory (SHAO), Chinese Academy of Sciences. The Assembly was successfully held in Shanghai, China from June 30th to July 6th, 2014 with over 130 participants from 25 countries. The focus of the Assembly is on methods for observing, estimating and interpreting the Earth gravity field as well as its applications, including 6 sessions: gravimetry and gravity networks, global geopotential models and vertical datum unification, local geoid/gravity modelling, satellite gravimetry, mass movements in the Earth system and solid Earth investigations
    Type of Medium: Monograph available for loan
    Pages: VIII, 224 Seiten , Illustrationen, Karten
    Edition: 1st ed. 2016
    ISBN: 9783319398198 (print) , 9783319398204
    Series Statement: International Association of Geodesy Symposia 144
    Classification:
    Gravimetry
    Language: English
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  • 32
    Call number: M 16.90275
    Description / Table of Contents: Preface -- Contents -- Contributors -- Part I: Limnology, History and Comparative Legends -- 1: Pavin, the Birthplace of French Limnology (1770-2012), and Its Degassing Controversy (1986-2016) -- 1.1 Introduction -- 1.2 Analysis of Pavin Actors, History and Perception Through an Interdisciplinary and Intercomparative Approach -- 1.3 Pavin, a Typical Maar-Lake Above any Contamination Source -- 1.3.1 Pavin General Features -- 1.3.2 Pavin Compared to Other Lakes of the Cézallier Lake District -- 1.3.3 Pavin Compared to Other European Maar-Lakes -- 1.3.3.1 Eifel Lakes
    Description / Table of Contents: 1.3.3.2 Italian Lakes -- 1.4 Pavin Scientific Exploration (1770-1985) -- 1.4.1 Chevalier's Expedition (1770) -- 1.4.2 Lecoq, the Great Auvergne Naturalist, Normalizes Pavin… with Fishes (1847-1871) -- 1.4.3 The First Golden Age of Science at Pavin: Berthoule, Delebecque, Martel, Bruyant (1880-1914) -- 1.4.3.1 Clermont Botanists and Zoologists Establish the Limnological Station at Besse -- 1.4.3.2 André Delebecque at Pavin (1892) -- 1.4.3.3 Edouard-Alfred Martel at Creux de Soucy (1892) -- 1.4.4 Pavin Meromixis Discovery by Olivier and Pelletier (1950-1960s)
    Description / Table of Contents: 1.5 Pavin Acquires a Status of International Field Laboratory (1965-2000) -- 1.5.1 International Projects Select Pavin as a Pristine Lake (1965-1975) -- 1.5.2 Pavin, a Laboratory for Innovative Lake Research (1965-1986) -- 1.6 Maar Lakes Degassing Evidence in Cameroun and Italy -- 1.6.1 Nyos (21 August 1986) and Monoun (15 August 1984) Degassing Events and Their Effects on Populations -- 1.6.2 Ancient Degassing Events in Italian Maar-Lakes, Albano and Monticchio -- 1.6.2.1 The Albano Catastrophic Degassing and Spillover Event in Latium (398 BC)
    Description / Table of Contents: 1.6.2.2 Monticchio Lakes (Southern Italy) and Their Pioneer Degassing Studies, 1777-1838 -- 1.7 Sensory Grid of Degassing in Maar-Lakes -- 1.8 Pavin Degassing Controversy (1986-2016) -- 1.9 Conclusions -- References -- 2: Pavin, A Rich but Fragmented History (200 AD-2016) -- 2.1 Introduction -- 2.2 Finding Pavin Puzzle Pieces -- 2.3 Pavin's History Highlights -- 2.3.1 Antiquity: A Pompeian Millstone Retrieved from Pavin Waters in 1909 -- 2.3.2 Early Antique and Medieval Worship Near Pavin, on the Vassivière Mountain
    Description / Table of Contents: 2.3.3 Lacus pavens Terrifies the Whole Region Throughout the Sixteenth Century -- 2.3.3.1 The Terrible Explosion Witnessed at Vassivière by Besse People (28 August 1551 Pavin Event) -- 2.3.3.2 A Hazardous Abyss, Generating Storm, Thunder and Hail, Presented to Charles IX (1566) -- 2.3.3.3 Pavin Painted on the First Realistic Landscape Picture in France (1571-1579) -- 2.3.3.4 Pavin Marvelous Response to a Thrown Stone in Belleforest's Cosmographia Universalis (1575) -- 2.3.3.5 Lacus pavens, the Terrifying Lake, Is the Original Pavin Name (Banc 1605)
    Description / Table of Contents: 2.3.4 The Admirable and Terrifying Pavens Gets Famous During the Seventeenth Century
    Type of Medium: Monograph available for loan
    Pages: XV, 421 S.
    ISBN: 9783319399607
    Classification:
    Historical Geology
    Language: English
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  • 33
    Call number: 5/M 17.90712
    Description / Table of Contents: 1. Introduction -- 2. Applications of Seismic Monitoring in Combating Rock Burst Hazard -- 3. Seismic Parameters and their Physical Meaning -- 4. Ranges of Parameters -- 5. Interpretation Methods of Mine Induced Seismicity -- 6. Palabora Seismic History -- 7. Palabora Caving Process as Evidenced by Induced Seismicity -- 8. Caving Process and Seismic Hazard -- 9. Problems Related to Software Versions -- 10. Seismic Preconditioning below Lift 1 Mine and its Influence on the Cavability of Lift 2 Cave -- 11. Palabora Lift 2 Mine Seismic System -- 12. Seismic Hazard Monitoring for Lift 2 -- Appendices -- Index
    Description / Table of Contents: This book offers an in-depth analysis and interpretation methods applicable to mine-induced seismicity. It is based on over 40 years of experience in mine and exploration geophysics. Another unique feature of this book is the complete history of the caving process as evidenced by the recorded seismicity at the South African copper mine Palabora Lift 1. Until now, the literature has only presented theory and case studies discussing the interpretation of results, and there has been no discussion of the input-data quality or why a certain interpretation technique was applied. This book fills that gap. This book is a fascinating read, written by one of the world’s leading mine seismologists. It summarises the history and progression of mine seismology. It outlines the practical use of back analysis of data and how it can be used on a daily basis. The book explains how mine seismology can be used as an effective monitoring tool for key events as the mine progresses as well as for future caving operations. Anthony Allman MAusIMM, CP(Min), RPEQ Antcia Consulting Pty Ltd, Director, Mining Engineer The content of the book is really solid and robust and I have no doubt it is going to be considered a great contribution for the mining community. Raul Fuentes, Former Director of Master Program in Geomechanics Applied to Mining, Universidad de los Andes, Santiago, Chile This book is long overdue and helps to present some difficult concepts in a way that they can be clearly understood by non-experts in this area. Stefan has personally managed to take mine seismology from being a black-art into a useful tool to help make mines a safer and more controlled environment. Neil Hepworth C. Eng, MIMMM, Geomin Consultorio - Brazil, Consultant Mining and Geotechnics Seismic monitoring is an important tool in cave management. The information from monitoring allows a number of key production factors to be determined including cave advance rates, the approximate location of the cave back, insight into the size of the air gap and allows the tracking of broad changes in stress. These all assist in the day to day management of a safe and successful cave. Dr. Glazer’s book provides guidance on the application of microseismicity to cave management through a review of appropriate theory and more importantly illustrates its use through case histories, particularly from the Palabora block cave. The text will be a good addition for all practitioners in cave engineering and operations. All ...
    Type of Medium: Monograph available for loan
    Pages: XV, 414 S.
    Edition: Online edition Springer eBook Collection. Earth and Environmental Science
    ISBN: 9783319326115
    Classification:
    Seismology
    Language: English
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  • 34
    Call number: M 17.90354
    Description / Table of Contents: Fiber optic sensors based on nano-films -- Lossy Mode Resonances based sensors -- Surface Plasmon Resonances based fiber optic sensors -- Plastic optical fiber biosensors -- Vapor based deposition techniques for optical fiber sensing -- Fiber optic sensors in biomedical applications -- Optical hyperspectral sensors -- Fiber optic sensors for radiation dosimetry -- Fiber optic gas sensors -- Structural health monitoring fiber optic sensors -- Distributed temperature sensors -- Respiratory diseases fiber optic based sensors -- Optical sensing based on photonic crystal structures -- Long Period grating based sensors -- Magnetic field fiber optic sensors -- Sensing at THz frecuencies -- Multimode Interference Fiber Sensors -- Fiber optics sensors based on multicore structures
    Description / Table of Contents: This book describes important recent developments in fiber optic sensor technology and examines established and emerging applications in a broad range of fields and markets, including power engineering, chemical engineering, bioengineering, biomedical engineering, and environmental monitoring. Particular attention is devoted to niche applications where fiber optic sensors are or soon will be able to compete with conventional approaches. Beyond novel methods for the sensing of traditional parameters such as strain, temperature, and pressure, a variety of new ideas and concepts are proposed and explored. The significance of the advent of extended infrared sensors is discussed, and individual chapters focus on sensing at THz frequencies and optical sensing based on photonic crystal structures. Another important topic is the resonances generated when using thin films in conjunction with optical fibers, and the enormous potential of sensors based on lossy mode resonances, surface plasmon resonances, and long-range surface exciton polaritons. Detailed attention is also paid to fiber Bragg grating sensors and multimode interference sensors. Each chapter is written by an acknowledged expert in the subject under discussion
    Type of Medium: Monograph available for loan
    Pages: VIII, 381 Seiten , Illustrationen
    ISBN: 9783319426242
    Series Statement: Smart Sensors, Measurement and Instrumentation 21
    Classification:
    Engineering
    Language: English
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  • 35
    Publication Date: 2020-02-12
    Description: In summer 2017, the ICDP SUSTAIN project (Surtsey Underwater volcanic System for Thermophiles, Alteration processes and INnovative concretes), drilled three cored boreholes (Table 1) through Surtsey at sites ≤10 m from a cored hole obtained in 1979. Drilling through the still hot volcano was carried out with an Atlas Copco CS1000 drill rig, whose components were transported by helicopter to Surtsey and re-assembled on site. The first vertical borehole, SE-02a, was cored in HQ diameter to 152 meters below surface (m b.s.) during August 7-16. It was terminated due to borehole collapse. A second vertical (SE-02b) cored borehole was then drilled in HQ diameter to 192 m during August 19-26. Wireline borehole logging in SE-02b was performed August 26. The anodized NQ-sized aluminum tubing of the Surtsey Subsurface Observatory was installed in SE-02b to 181 m depth on August 27. A third borehole, SE-03, angled 35° from vertical and directed 264°, was drilled from August 28 to September 4 and reached a measured depth of 354 m (~290 m vertical depth) under the eastern crater. The core is HQ diameter to a measured depth of 213 m and NQ diameter from 213-354 m measured depth. The core traverses the deep conduit and intrusions of the volcano to a total vertical depth of 290 m b.s. Seawater drilling fluid for boreholes SE-02a and SE-02b was filtered and doubly UV-sterilized at the drill site. No mud products were employed while coring SE-02a, while small amounts of attapulgite mud were used in SE-02b and SE-03. Core samples for geochemical analyses of pore water and microbiological investigations were collected on site from all three boreholes. About 650 m of core was transported by helicopter to Heimaey, 18 km northeast of Surtsey, to a processing laboratory where the core was scanned, documented, and described. Additional core processing has taken place at the Náttúrufraedistofnun Íslands, the Icelandic Institute of Natural History in Gardabaer, where both the 1979 and 2017 cores are stored.
    Language: English
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  • 36
    Publication Date: 2020-02-12
    Description: On a beautiful summer day Emma and Steven want to have fun at their favourite lake. However, a mysterious situation thwarts their plans. This leads the two friends on an unexpected quest ... Join Emma and Steven as they explore the vast, intriguing and efficient world of stable isotopes: What are isotopes? How do isotopes work? And last but not least, how can isotopes help Emma and Steven to finally answer the question: Who poisoned Family Mole?
    Language: English
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  • 37
    Publication Date: 2020-02-12
    Description: Length: 32 min What forms the landscapes of the Earth with its mountains, rivers, soils, the places we live in? Is Earth’s surface shaped when rocks are uplifted by geologic forces, and are then destroyed by rain, ice, and wind; or do plants with their roots, animals that dig into soil and the vast number of microorganisms shape the landscapes? Watch the scientists of the German-Chilean “EarthShape” project study these questions along a fascinating landscapes in Chile, and in their home laboratories. A science movie designed and produced by Friedhelm von Blanckenburg from GFZ Potsdam, Germany, Kirstin Übernickel from Universität Tübingen, and Wolfgang Dümcke from Filmbüro Potsdam, Germany, within the DFG-funded research network “EarthShape – Earth Surface Shaping by Biota” which is coordinated by Todd Ehlers (Universität Tübingen) und Friedhelm von Blanckenburg (GFZ Potsdam).
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  • 38
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    GFZ German Research Centre for Geosciences
    In:  Policy Briefs of the German Water Initiative for Central Asia
    Publication Date: 2020-02-12
    Description: The GIZ Transboundary Water Management in Central Asia programme supports Tajik-Kyrgyz cooperation on the shared Isfara river basin by means of sustainable basin planning and management through capacity building. In addition, the rehabilitation of small-scale infrastructure and automatised flow measurement systems ensure a safe and fair allocation of water resources. As a result, improved water management and infrastructure in the Isfara River contribute to better information and water availability for more than 200,000 agricultural water users across both countries. Alongside already established methods of transboundary cooperation in the basin, which has complicated boundary issues, the hereinafter described measures counteract latent tensions among Tajik and Kyrgyz communities over the limited resource of arable land, which is closely linked to water. The GIZ Transboundary Water Management in Central Asia programme is implemented on behalf of the German Federal Foreign Office and cofunded by the European Union.
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  • 39
    Publication Date: 2020-05-26
    Description: Deliverable D5.2 presents the experimental outcome of jetting experiments at simulated reservoir conditions. Different rock types are tested under various conditions with the use of three different types of test bench. At first jetting experiments are conducted under submerged conditions in order to derive a better understanding of the governing erosion mechanism. Therefore pitting tests are combined with PIV measurements in order to derive and explain the erosion pattern of the occurring cavitation erosion and why the rock is more like to be eroded by the stagnation pressure of the impinging jet. Second, jetting experiments under pressure controlled conditions are performed. Rate of penetrations (ROP) of up to 100 m/h can be achieved which proofs the successful application of RJD technology especially in sand stone reservoir rock types. Especially the rotating nozzle design bears the highest potential for jetting operations where the static nozzle designs tend to fail, especially when pore pressure increases. The third experimental series under application of a bi- axial stress field show that the current RJD technology, as being used by project partner WSG, is not able to penetrate harder sandstone rock types (e.g. Dortmund sandstone) when field operating conditions are applied. The induced stress in the specimen does not initiate or enhance ROP. A second experiment thereby shows that higher nozzle exit speeds can lead to massive breakouts. Fourth, experiments are performed under a tri-axial stress field in collaboration with TU DELFT. Rock cubes are tested under different and very severely stress regimes while jetting into them. Compared to tests at atmospheric conditions it can be stated that the application of a stress field does not enhance the erosion of rock. At last experiments are conducted with the project partner WSG in order to determine the jetability of the Icelandic Basalt rock type and Icelandic inter basalt sediment layer. The experiments show that already higher pump pressures result in higher jetting performance, hence making them jetable as previously not expected. Furthermore the experiments approved the feasibility of the planned field test in Iceland when the soft sediment layer is the target zone. All in all the experiments conducted with the RJD technology show different results at simulated reservoir conditions compared to those at atmospheric which are described in deliverable D5.1 (Hahn & Wittig, 2017). Therefor, further testing at conditions representing the reservoir conditions more closer are needed in order to better understand and analyze the jetting process downhole.
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  • 40
    Publication Date: 2020-05-27
    Language: English
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  • 41
    Publication Date: 2020-05-26
    Description: In this deliverable, the objectives of the Imperial College team are to consider jetted boreholes in the context of conventional borehole wall-rock stability analysis and to utilise an in-house advanced combined finite-discrete element code to examine the wall-rock failure process for jetted holes. The geomechanical modelling of Lateral Stability in D7.2 presented here is in addition to the main focus on modelling the water-jetting breakdown of the rock itself, reported in D7.1.
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  • 42
    Publication Date: 2020-05-26
    Description: The aim of this research is to investigate the failure mechanism for different types of rock in the context of water jet drilling and to predict the jet-ability or assess the radial jet drilling (RJD) performance prior to drilling and at the well petrophysical analysis stage. The main approach is to numerically simulate the water jet drilling for different types of rock using ICL’s in-house fluid-solid coupling codes. The rock properties, CT-scan data and jetting results obtained from D4.1 (Bakker et al., 2018) and D5.1 (Hahn et al., 2017) provide a good foundation for the related numerical results.
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  • 43
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR
    Publication Date: 2020-08-10
    Description: The GEOFON program consists of a global seismic network (GE Network), a seismological data centre (GEOFON DC) and a global earthquake monitoring system (GEOFON EQinfo). These three pillars are part of the MESI research infrastructure of the Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences aiming at facilitating scientific research. GEOFON provides real-time seismic data, access to its own and third party data from the archive facilities as well as global and rapid earthquake information. The GEOFON Seismological Software can be considered a fourth cross-cutting module of the GEOFON Program. Data, services, products and software openly distributed by GEOFON are used by hundreds of scientists and data centres worldwide. Its earthquake information service is accessed directly by tens of thousands of visitors. The SeisComP software package is the flagship software provided to the community, which is geared for seismic observatory and data centre needs and used extensively to support our internal operations. Like all other MESI (Modular Earth Science Infrastructure) modules GEOFON has the majority of users outside the GFZ as well as an external advisory committee that provides advice to the GFZ Executive Board and to the GEOFON team. This report describes the main activities carried out within the three GEOFON pillars and the software development group.
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  • 44
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data | GIPP Experiment and Data Archive
    Publication Date: 2021-02-13
    Description: A temporary seismic array was installed in combination with a meteorological station in the Dead Sea valley, Jordan. Within the scope of the HGF virtual institute DESERVE we operated 15 temporary seismic stations between February 2014 and February 2015 together with a nearby meteorological station close to the east coast of the Dead Sea. The main aim was to acquire data to study the influence of wind on seismic records and retrieve related meteorological parameters. The study area is scarcely populated and has ideal meteorological conditions to study periodically occurring winds.
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  • 45
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: The German-Indonesian Tsunami Early Warning System (GITEWS) has been established after the devastating Tsunami in the Indian Ocean on December 26, 2004. It became an integral part of the Indonesian Tsunami Early Warning System (InaTEWS) providing sensor networks and core computational components. GITEWS follows an “end-to-end” approach to cover the complete warning chain from rapid hazard detection over decision support to capacity development of communities at risk and the implementation of disaster reduction measures. PROTECTS (Project for Training, Education and Consulting for Tsunami Early Warning Systems) followed GITEWS with its main focus on system refinements, capacity building, and elaborated training measures that covered all aspects of the GITEWS Project. This paper discusses the specific challenges of Tsunami Early Warning in Indonesia, describes recent developments in instrumentation and data analysis and summarizes the system performance over the past 5 years.
    Description: Preface 5Abstract 101. Introduction 102. Instrumentation 132.1 Seismic System 142.2 The GPS-System 182.3 Oceanographic Instruments 203. The Modelling-System 223.1 Source Modelling 233.2 TsunAWI Modelling System 243.3 Mesh Generation 263.4 Simulation System (SIM) 283.5 “On-the-fly”-System easyWave 324. Tsunami Early Warning Decision Support 334.1 The InaTEWS DSS 334.2 Experiences and Enhancements 374.3 Testing and Training Environment 385. System Performance 396. Tsunami Risk Assessment – Linking National Level Early Warning with Local Level Disaster Risk Reduction 436.1 The Approach: From Science to Practical Implementation 436.2 Multi-Scenario Tsunami Hazard Assessment 456.3 High Resolution Tsunami Inundation Modelling for Hazard Assessment 476.4 Exposure and Vulnerability Assessment 486.5 Tsunami Risk Assessment 486.6 Experiences and Enhancements 497. Tsunami Preparedness at Community Level - Experiences from 7 Years of Capacity Development in Indonesia 507.1 The Setting 517.2 Our Experiences 517.3 Project Documentation: TsunamiKit 588. Conclusions 58Acknowledgements 60References 61
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  • 46
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: In July 2007 GFZ hosted ILP’s first Potsdam Conference, titled “Frontiers in Integrated Solid Earth Sciences”. The results of this meeting were presented in an over 400 pages large Springer book, the first volume of a new series on the International Year of Planet Earth (IYPE). In October 2010 ILP’s Second Potsdam Conference took place, entitled “Solid Earth – Basic Science for the Human Habitat”, again in Potsdam. More than 70 scientists from more than 20 states worldwide came together and shared their results, ideas and visions. This time, in September 2015, ILP’s 35th birthday was the motivation for “Celebrating Excellence in Solid Earth Sciences”. Together with more than 50 scientists, members of the ILP Task Forces and Coordinating Committees, the ILP bureau and ILP’s office came together for three days in September.
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  • 47
    Publication Date: 2020-02-12
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  • 48
    Publication Date: 2020-02-12
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  • 49
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
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  • 50
    Publication Date: 2021-04-10
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  • 51
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: Length: 1 min
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  • 52
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: Length: 32 min What forms the landscapes of the Earth with its mountains, rivers, soils, and the places we live in? One view holds that Earth’s surface is shaped when rocks are uplifted by geologic forces, and are then destroyed by rain, ice, and wind that carve landscapes by erosion and weathering. Another view suggests that the green layer of life between rocks below and climate above is the key player. Do plants with their roots, animals that dig into soil and the vast number of microorganisms shape the landscapes? Or do minerals, soil, and water provide the environment for them to live? Or are they both interdependent? Can they together resist the massive climate change imposed by humans today? Watch the scientists of the German-Chilean “EarthShape” project study these questions along a climate gradient in Chile, in the National Parks Pan de Azúcar, La Campana, and Nahuelbuta. Take a tour through fascinating landscapes and see the young scientists study the interactions between geology and biology, from the dry Atacama Desert to dense forests, and in their sophisticated home laboratories. See how feedbacks control Earth’s climate. A science movie designed and produced by Friedhelm von Blanckenburg from GFZ Potsdam, Germany, Kirstin Übernickel from Universität Tübingen, and Wolfgang Dümcke from Filmbüro Potsdam, Germany, within the German National Science Foundation (DFG) funded research network “EarthShape – Earth Surface Shaping by Biota” which is coordinated by Todd Ehlers (Universität Tübingen) und Friedhelm von Blanckenburg (GFZ Potsdam).
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  • 53
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report - STR Data
    Publication Date: 2020-02-12
    Description: There has been growing recognition of the importance of the accurate seismic locations in quantitative seismological studies, such as seismic hazard analyses, fault zone characterization, and Earth's deformation. Accurate estimation of seismic locations is critical since a wrong estimate of the seismic source location will result in wrong interpretations in the subsequent analyses. We present SCOTER, an open-source Python program package that is designed to relocate multiple seismic events by using P- and S-wave station correction terms. The package implements static and shrinking-box source-specific station terms techniques extended to regional and teleseimic distances and adopted for probabilistic, non-linear, global-search location for large-scale multiple-event location. This program provides robust relocation results for seismic event sequences over a wide range of spatial and temporal scales by applying empirical corrections for the biasing effects of 3-D velocity structure. Written in the Python programming language, SCOTER is run as a stand-alone command-line tool (requiring no knowledge of Python) and also provides a set of sub-commands to develop inputs (dataset, configuration etc) and export results (hypocenter parameters, travel-time residuals etc) { routine but non-trivial tasks that can consume much user time. This package can be used for relocation in local, regional, and teleseimic scales. We describe SCOTER's functionality, design and technical implementation, accompanied by an overview of its use cases. As an illustration, we demonstrate the applicability of this tool through two examples based on (1) a catalogue of several hundred events in the Arctic plate boundary region using regional and teleseismic arrival times and (2) a small dataset of low-magnitude seismic events recorded by dense, local stations at the western Iberia, central Portugal. The relocated datasets highlight the future potential for applying the SCOTER relocation tool to greatly improve the relative location accuracy among nearby events.
    Language: English
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  • 54
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR
    Publication Date: 2020-02-12
    Description: The German Research Centre for Geosciences GFZ operates a satellite-receiving station at Ny-Ålesund, Spitsbergen since 2001. Valuable support for several satellite missions was provided by the station on a best effort basis, while technical and software related issues, as well as uncertainties regarding important system properties, hindered any project participations with more binding commitments. The upcoming US-German GRACE-Follow On satellite mission with on-board GNSS-RO and gravity measurements and subsequent “near real-time” respectively low latency processing chains raised the demand to integrate the Ny-Ålesund station as the primary data receiving station of the mission’s ground segment. This required the demonstration of improved station performance and reliability with a perspective of sustainability as well as the determination of important antenna system parameters, such as the ratio of antenna gain to system noise (G/T). Analysis of receiving problems at the station in the past and considerations on methods to determine the station antennas characteristics suggested that improved antenna operation software was the most important and straightforward element on the planned way. Disappointing experiences with antenna operation programs of third parties, e.g., from shortcomings of functions, flexibility and support, indicated that the effort for an in-house development would pay off. Consequently new software for the semi-automatic operation of the antennas at the satellite receiving station at Ny-Ålesund was developed within this work. Main development objectives were the elimination of antenna operation problems which occurred in the past, to improve the station reliability, and to introduce program features for the support of required antenna measurements, e.g., such that use the sun as a natural radio signal source. Other focal points during the development were the program-internal timing routines, a compact, informative and operation-safe graphical user interface (GUI) and advanced operation logging features. Lessons learned by the operation of software from other parties in the years since 2001 were respected and even some hardware related issues with the antenna systems at Ny-Ålesund were solved by means of the new software. The new software “NYA-Sattrack” provides all required and desired functions, including some unconventional features. One example is the option to use two different external satellite orbit prediction programs and two sets of prediction elements (twoline elements). An operator can switch between the corresponding pass predictions at any time, even during a satellite contact with already moving antenna. This might be useful, e.g., in a Launch and Early Orbit Phase (LEOP), when different predictions from different sources and with uncertain quality have to be used. Another example is the generation of graphical logs for each satellite contact. An operator can check these logs very fast and simultaneously with normal, text-based logs through a built-in log-viewer function. An eventually desired adaptation to other antenna system types with different technical properties is explicitly supported by the software design as all antenna-specific program code is allocated to individual software interface modules (Dynamic Link Libraries). The new program “NYA-GPS-SYNC” maintains the accuracy of the antenna operation computer clock to support precise operation timing. The two different antenna positioning systems (Elevation over Azimuth and X over Y) of the satellite-receiving station at Ny-Ålesund are operated routinely with NYA-Sattrack since July 2014 and each of the antennas tracks more than 25 satellite passes per day. The number of outages related to antenna operation issues and the manual effort for the operation of the antennas has decreased significantly since introduction of NYA-Sattrack. The new program features of NYA-Sattrack, e.g., such as the sun-tracking mode combined with scan modes, strongly supported the determination of important antenna system characteristics and the detection of a source of radio interference. All achievements of this work have a benefit for supported missions, e.g., due to a better knowledge about technical boundary conditions for contact planning and less data losses during data reception. NYA-Sattrack significantly improved the reliability, efficiency and sustainability to support current and future satellite missions and the Ny-Ålesund ground station is ready to work as the primary downlink station for the GRACE-FO mission, due for launch in February 2018.
    Description: Das Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum GFZ betreibt seit 2001 eine Satelliten-Empfangsstation bei Ny-Ålesund auf Spitzbergen. Die Station hat, so gut es ging, wertvolle Dienste für etliche Satellitenmissionen geleistet. Verbindliche Verpflichtungen in Projekten konnten aber, wegen hard- und softwaretechnischer Probleme und den nur unsicher bekannten Leistungsparametern der Station, nicht eingegangen werden. Die aufkommende US-amerikanisch-deutsche GRACE-Follow On Satellitenmission für GNSS-RO- und Schwerefeldmessungen und die sich daran anschließenden nahe-Echtzeit Datenverarbeitungsketten führten zu dem Wunsch, die Ny-Ålesund Station als primäre Empfangsstation im Bodensegment der Mission zu integrieren. Dies erforderte den Nachweis von verbesserten Betriebseigenschaften, sowie verbesserter Betriebszuverlässigkeit und Zukunftssicherheit, und die Bestimmung wichtiger Antennenparameter, wie dem Verhältnis von Antennengewinn zu Systemrauschen (G/T). Analysen zu Empfangsproblemen an der Station in der Vergangenheit und Überlegungen zur Bestimmung der Antennencharakteristika legten nahe, dass der wichtigste und direkteste Schritt auf diesem Weg eine verbesserte Software für den Betrieb der Antennen sein würde. Wegen in verschiedener Hinsicht enttäuschenden Erfahrungen mit Antennenbetriebssoftware von Dritten, z.B. wegen unzureichenden Funktionen und mangelnder Flexibilität und Unterstützung, wurde angenommen, dass sich der Aufwand für eine eigene Programmentwicklung auszahlen würde. Infolgedessen wurde mit dieser Arbeit eine neue Software für den halb-automatischen Betrieb der Antennen an der Satelliten-Empfangsstation Ny-Ålesund entwickelt. Die wichtigsten Punkte dabei waren die Lösung der in der Vergangenheit beobachteten Betriebsprobleme mit den Antennen, bzw. die Verbesserung der Zuverlässigkeit der Station, und Funktionen für Messungen an und mit den Antennen, z.B. mit Nutzung der Sonne als natürliche Quelle für Radiosignale. Andere Schwerpunkte der Entwicklung waren die zeitlichen Abläufe im Programm, eine kompakte, informative und betriebssichere graphische Nutzerschnittstelle (GUI) und erweiterte Möglichkeiten zum Protokollieren (Loggen) des Betriebs. Dabei wurden die seit 2001 mit dem Betrieb von extern beschaffter Software gemachten Erfahrungen berücksichtigt und sogar durch Hardware verursachte Probleme beim Betrieb der Antennen in Ny-Ålesund durch die neue Software gelöst. Das neue Programm „NYA-Sattrack“ stellt alle benötigten und gewünschten Funktionen bereit, inklusive einiger ungewöhnlicher Funktionen. Ein Beispiel ist die Möglichkeit zur Nutzung von zwei unterschiedlichen externen Programmen zur Bahnvorhersage mit unterschiedlichen Bahnelementen (twoline elements). Ein Operator kann so jederzeit zwischen den beiden entsprechenden Bahnvorhersagen wechseln, sogar während eines Satellitenkontakts mit sich bereits bewegenden Antennen. Dies könnte z.B. in der ersten Zeit nach einem Satellitenstart nützlich sein, wenn unterschiedliche Bahnberechnungen mit unsicherer Genauigkeit von unterschiedlichen Quellen verwendet werden müssen. Ein anderes Beispiel ist die Erzeugung graphischer Logs für die einzelnen Satellitenkontakte. Diese Logs lassen sich von einem Operator sehr schnell überprüfen, durch eine integrierte Anzeigefunktion sogar zusammen mit den textbasierten Logdateien. Eine möglicherweise gewünschte Anpassung des Programms für andere Antennen mit unterschiedlichen Betriebseigenschaften wird dadurch unterstützt, dass antennenspezifischer Programmcode in Programmerweiterungen (Dynamic Link Libraries) platziert wurde. Das neue Programm “NYA-GPS-SYNC” kontrolliert die Uhr des Computers für die Antennensteuerung und sorgt so für einen zeitlich präzisen Betrieb. Die beiden unterschiedlichen Antennenpositionierungssysteme an der Satelliten- Empfangsstation Ny-Ålesund (Elevation über Azimut und X über Y) werden seit Juli 2014 routinemäßig mit NYA-Sattrack betrieben. Jede der beiden Antennen bedient mehr als 25 Satellitenkontakte pro Tag. Seit der Einführung von NYA-Sattrack haben betriebsbedingte Ausfälle stark abgenommen, ebenso der manuelle Aufwand zum Betrieb der Antennen. Die neuen Funktionen von NYA-Sattrack, wie z.B. das Verfolgen der Sonne mit einer Antenne in Kombination mit speziellen Bewegungsmustern, haben die Bestimmung wichtiger Antennenparameter und das Erkennen einer funktechnischen Störquelle ermöglicht. Alle erzielten Ergebnisse nützen indirekt auch den unterstützten Missionen, z.B. durch bessere Kenntnis der technischen Randbedingungen für die Planung von Kontakten und geringere Datenverluste beim Datenempfang. NYA-Sattrack hat die Zuverlässigkeit, Effektivität und Nachhaltigkeitsperspektive der Station für die Unterstützung aktueller und zukünftiger Satellitenmissionen stark verbessert, so dass diese nun für den geplanten Einsatz als primäre Empfangsstation für GRACE-FO bereit ist (geplanter Start im Februar 2018).
    Language: English
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: This brochure is designed for scientists and engineers of upcoming drilling projects and explains the key steps and important challenges in planning and executing continental scientific drilling.
    Language: English
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  • 56
    Publication Date: 2020-02-12
    Description: The International Continental Scientific Drilling Program (ICDP) performed a dual-phase scientific drilling project to investigate mountain-building processes called Collisional Orogeny in the Scandinavian Caledonides (COSC). The borehole COSC-1 was drilled through the Lower Seve Nappe, as the first of two 2.5 km deep drill holes close to Åre, central Sweden. The recovered rocks comprise a 1650 m thick suite of high grade gneisses and amphibolites with clear Seve Nappe affinities, while the lower 850 m com-prise rather homogenous mylonitic gneisses with interfingered K-rich phyllonite bands of cm to several m size and some intercalated amphibolites. The different lithologies all crosscut the core in a subhorizontal direction with foliation of gneisses and phyllonites in the same direction. Albite and garnet porphyroblasts with pressure shadows show syn-deformational growth and the same sub-horizontal alignment. The focus was to detect chemical and mineralogical differences in mylonitic and host rocks and to relate these differences to either metasomatism and deformation or inher-ited source rock variance. Another goal of this work is to compare chemical core scanning instruments. For this purpose, two different μ-Energy-Dispersive X-Ray Fluorescence (μ-EDXRF), Laser Induced Breakdown Spectroscopy (LIBS) and hyperspectral imaging tech-niques served to measure seven samples from the lower 850 m of the COSC-1 core. This report will explain the data sets gained during this study. The metadata will be pre-sented in an additional file including XRF data from the AVAATECH XRF core scanner in a text file as well as data sets of the other used devices in original file formats.
    Language: English
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  • 57
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    GFZ German Research Centre for Geosciences
    In:  Policy Briefs of the German Water Initiative for Central Asia
    Publication Date: 2020-02-12
    Description: Already today, Central Asia faces water stress with competing water uses and prevailing low water use efficiencies. For the future, climate, hydrologic and socio- economic changes are going to exacerbate the situation. Research undertaken in the frame of the CAWa project revealed that based on the climate model scenarios climate change will result in a further increase of mean annual, winter and summer air temperature, and a substantial further reduction of glacier-covered area in the Tien Shan, e.g. the Naryn basin by 20 – 60 % up to 2050 compared to the present state. The river runoff regime is expected to shift from a glacio-nival to a pluvio-nival runoff regime with increasing discharge in springtime and decreasing discharge in the summer months for more pessimistic climate scenarios. By 2050, the increasing temperature triggers an increase in crop water requirements by 5–15 % for most of the traditional crops in the Fergana valley. A detailed scenario analysis for the Fergana valley showed that the economies can cope with the future conditions if (1) water use efficiencies in irrigated agriculture are increased by applying new irrigation technologies and improving irrigation infrastructure, and (2) the land use is adjusted in favour of new cash-crops like vegetables, fruits, and grapes. These are “no-regret” adaptation measures which the Central Asian economies should undertake to cope with the socio-economic changes alone, even if there was no climate change.
    Language: English
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  • 58
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: Length: 3 min Watch the fascinating cycle through which plants obtain the mineral nutrients that they need to grow. Plants “eat” mineral nutrients like phosphorous or potassium from the soil and rock that their roots grow in. But this natural resource is limited. To prevent running out of nutrients, hyphae (long thread-like cells of fungi that are attached to roots) recycle phosphorus from falling leaves, and return it to the trees. In dry landscapes plants take up their phosphorus directly from rock. See the fundamental difference of ecosystems in different climates. An animated science movie designed and produced by Friedhelm von Blanckenburg from GFZ Potsdam, Germany, Michaela Dippold from Universität Göttingen, Germany, and Andreas Schulz from Filmbüro Potsdam, Germany within the DFG Project ““EarthShape – Earth Surface Shaping by Biota”.
    Language: English
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  • 59
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    GFZ German Research Centre for Geosciences
    In:  Geologische Speicherung von CO2
    Publication Date: 2020-02-12
    Description: Movie 7: "The abandonment of a CO2 storage site – pilot project Ketzin" (Length 10:39) Produktionsjahr: 2015
    Language: English
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  • 60
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: Length: 0.5 min
    Language: English
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  • 61
    Publication Date: 2020-02-12
    Description: This E-book collates expert articles published on the Shale Gas Information Platform SHIP website (http://www.shale-gas-information-platform.org). The Shale Gas Information Platform is a network of international experts who share their expertise on different aspects of shale gas. With News, Basic Information and Expert Articles, SHIP features the scientific perspective within the current debate, adding factual argument to the pros and cons discussed publicly. The network is brought together by the GFZ German Research Centre for Geosciences. Most articles presented in this book are available in German and/or Polish on the SHIP website.
    Language: English
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  • 62
    Publication Date: 2020-02-12
    Language: English
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  • 63
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data | GIPP Experiment- and Data Archive
    Publication Date: 2020-02-12
    Description: Glacial contribution to eustatic sea level rise is currently dominated by loss of the smaller glaciers and ice caps, about 40% of which are tidewater glaciers that lose mass through calving ice bergs. The most recent predictions of glacier contribution to sea level rise over the next century are strongly dependent upon models that are able to project individual glacier mass changes globally and through time. A relatively new promising technique for monitoring glacier calving is through the use of passive seismology. CalvingSEIS aims to produce high temporal resolution, continuous calving records for the glaciers in Kongsfjord, Svalbard, and in particular for the Kronebreen glacier laboratory through innovative, multi-disciplinary monitoring techniques combining fields of seismology and bioacoustics to detect and locate individual calving events autonomously and further to develop methods for the quantification of calving ice volumes directly from the seismic and acoustic signals.
    Language: English
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  • 64
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR
    Publication Date: 2020-02-12
    Description: This document provides information on the site effects studies carried out in Kyrgyzstan. These studies are carried out within the Global Change Observatory Central Asia of the GFZ and the Earthquake Model Central Asia (EMCA). Furthermore, the site effects estimated using different approaches are incorporated into the probabilistic seismic hazard assessment (PSHA) for Bishkek.
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  • 65
    Publication Date: 2020-02-12
    Language: English
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data | GIPP Experiment and Data Archive
    Publication Date: 2020-02-12
    Description: Raw-, SEG-Y and other supplementary data of the landside deployment from the amphibious wide-angle seismic experiment ALPHA are presented. The aim of this project was to reveal the crustal and lithospheric structure of the subducting Adriatic plate and the external accretionary wedge in the southern Dinarides. Airgun shots from the RV Meteor were recorded along two profiles across Montenegro and northern Albania.
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  • 67
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data
    Publication Date: 2020-02-12
    Description: This publication compiles the operational data (flow rate, cumulative mass, density, injection temperature, electrical conductivity and in-well pressure data) recorded during a field experiment on brine injection at the Ketzin pilot site during October 2015 to January 2015. Anyone should feel free to make use of the published data for any ethical purpose (civil use) – for example for process modelling and engineering.
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  • 68
    Publication Date: 2020-02-12
    Language: English
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  • 69
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Language: English
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  • 70
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: Length: 1 min
    Language: English
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  • 71
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: Length: 1 min
    Language: English
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  • 72
    Publication Date: 2020-02-12
    Description: The movie features the workshop for primary school children "Geochemical Treasure Hunt". Length: 6:37 min
    Language: English
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  • 73
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    GFZ German Research Centre for Geosciences
    In:  Policy Briefs of the German Water Initiative for Central Asia
    Publication Date: 2020-02-12
    Description: The implementation of Integrated Water and Land Resources Management (IWLRM) in Central Asia is facing substantial challenges today. The most basic challenge among them, to which many other challenges can be traced back, is the building and development of capacities at the individual and organizational levels. This Policy Brief reviews the capacity building approaches taken by the German Water Initiative for Central Asia (“Berlin Process”), in particular: (1) short-term vocational trainings for water professionals offered by the CAWa research project, (2) regional master programme “Integrated Water Management” implemented at the German-Kazakh University in Almaty, (3) training module on river basin planning developed within the GIZ program “Transboundary Water Management in Central Asia”. These approaches address mainly the individual level of capacity building, but with the establishment of river basin commissions, the GIZ programme targeted also the institutional level. Key factors of success were the regional and trans-sectoral approach taken by all three programmes, the linking of science and practice, and the tailoring of the training contents to the practical needs of the participants.
    Language: English
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  • 74
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data
    Publication Date: 2020-02-12
    Language: English
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  • 75
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: In our meeting Dynamic Earth – from Alfred Wegener to today and beyond we will review how Wegener‘s findings evolved into to modern Earth system science including its impact on climate and the Earth surface, and how this system affects our daily life: where humans live, what risks we are exposed to, where we find our resources. In the meeting we will hold sessions that cover the entire geoscience spectrum (from mineral physics over solid earth geodynamics to the climate sciences) and that explore the consequences of Wegeners findings on how humans use our planet today (from energy and mineral resources over georisks to utilisation of the subsurface and materials for modern society). We have invited keynote speakers that are eminent international scientists in these fields. In events open to the general public we will get an account of Wegeners final trip to Greenland on the history of science of his hypothesis.
    Language: English , German
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  • 76
    Publication Date: 2020-02-12
    Language: English
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  • 77
    Publication Date: 2020-02-12
    Description: The Collisional Orogeny in the Scandinavian Caledonides (COSC) scientific drilling project focuses on mountain building processes in a major mid‐Paleozoic orogen in western Scandinavia and its comparison with modern analogues. The project investigates a subduction‐generated complex (Seve Nappes) and how these in part under ultra‐high pressure conditions metamorphosed outer continental margin and continent‐ocean transition zones (COT) assemblages were emplaced onto the Baltoscandian platform and there influenced the underlying allochthons and the basement in a section provided by two fully cored 2.5 km deep drill holes. This operational report concerns the first drill hole, COSC‐1 (ICDP 5054‐1‐A), drilled from early May to late August 2014. It sampled a thick section of the lower part of the Seve Complex and was planned to penetrate its basal thrust zone into the underlying lower grade metamorphosed allochthon. The drill hole reached a depth of 2495.8 m and nearly 100 % core recovery was achieved. Although planning was based on existing geological mapping and new high‐resolution seismic surveys, the drilling resulted in some surprises: the Lower Seve Nappe proved to be composed of rather homogenous gneisses, with only subordinate mafic bodies and its basal thrust zone was unexpectedly thick (〉 800 m). The drill hole did not penetrate the bottom of the thrust zone. However, lower grade metasedimentary rocks were encountered in the lowermost part of the drill hole together with garnetiferous mylonites tens of metres thick. The tectonostratigraphic position is still unclear and geological and geophysical interpretations are under revision. The compact gneisses host only 8 fluid conducting zones of limited transmissivity between 300 m and total depth. Downhole measurements suggest an uncorrected average geothermal gradient of ~20°C/km. The drill core was documented on‐site and XRF scanned off site. During various stages of the drilling, the borehole was documented by comprehensive downhole logging. This operational report provides an overview over the COSC‐1 operations from drilling preparations to the sampling party and describes the available datasets and sample material.
    Language: English
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  • 78
    Publication Date: 2020-02-12
    Description: A temporary seismic array of short-period seismometers was installed in the 8-story AHEPA hospital, located in the city of Thessaloniki, N. Greece. The scope of the survey was to assess the dynamic characteristics of the RC-building by processing ambient vibration recordings of more than 40 seismic stations installed at different positions in the building. Part of the instruments was used in a soil experiment, outside of the hospital, to study possible Soil Structure Interaction phenomena. In addition to above experiments, a site-specific survey was performed in the Volvi basin, 30km ENE of the city of Thessaloniki. The scope of this experiment was to investigate the soil properties and the geometry of the subsurface geology.
    Language: English
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data | GIPP Experiment and Data Archive
    Publication Date: 2020-02-12
    Description: LITHOS-CAPP is the German contribution to the international ScanArray experiment. ScanArray is an array of broadband seismometers with which we aim to study the lithosphere and upper mantle beneath the Scandinavian Mountains and the Baltic Shield. LITHOS-CAPP contributed 20 broadband recording stations from September 2014 to October 2016, 10 in Sweden and 10 in Finland, continuously recordings at 100 samples per second. The stations were deployed by the KIT Geophysical Institute and GFZ section 2.4 (seismology). They form part of the temporary network ScanArrayCore (FDSN network code 1G 2012-2017)
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  • 80
    Publication Date: 2020-02-12
    Description: The Scientific Technical Report describes supplementary material to the publication by Grünthal et al. (2018) on the earthquake model for the probabilistic seismic hazard assessment (PSHA) of Germany, version 2016. In particular, it contains detailed information, additional figures, tables and electronic data concerning seismicity, seismic source zone models, maximum magnitudes, seismicity rates of the seismic source zones, model data related to distributions of focal depth and tectonic regime parameters. It also supplies seismic hazard maps for Germany with a broad range of parametrizations.
    Language: English
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  • 81
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: This brochure is designed for scientists and engineers of upcoming drilling projects and explains the key steps and important challenges in planning and executing continental scientific drilling.
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  • 82
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR
    Publication Date: 2020-02-12
    Language: English
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  • 83
    Publication Date: 2020-02-12
    Description: The processing of Persistent Scatterer Interferometry (PSI) data and the estimation of displacement is a nonlinear and user-driven procedure that can introduce large errors for noisy backscatter points. Results may differ significantly depending on chosen thresholds, filter settings, constraints and final interpretation. Thus the identification of valid PS with rather low errors in the SAR data is a crucial step in the PSI workflow. PSI-Explorer is a scientific prototype of our visual-analytics (VA) approach supporting this important task. The prototype is written in Java and operates on Matlab files.
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  • 84
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data | GIPP Experiment and Data Archive
    Publication Date: 2020-02-12
    Description: The consequences of climate change are highly important in the polar regions as ice-sheets and glaciers respond strongly to change in average temperature. The analysis of seismic signals (icequakes) emitted by glaciers (i.e., cryo-seismology) is thus gaining importance as a tool for monitoring glacier activity. To understand the scaling relation between regional glacier-related seismicity and actual small-scale local glacier dynamics and to calibrate the identified classes of icequakes to locally observed waveforms, a temporary passive seismic monitoring experiment was conducted in the vicinity of the calving front of Kronebreen, one of the fastest tidewater glaciers on Svalbard (Fig. 1). By combining the local observations with recordings of the nearby GEOFON station GE.KBS, the local experiment provides an ideal link between local observations at the glacier to regional scale monitoring of NW Spitsbergen. During the 4-month operation period from May to September 2013, eight broadband seismometers and three 4-point short-period arrays were operating around the glacier front of Kronebreen.
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  • 85
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    GFZ German Research Centre for Geosciences
    In:  Policy Briefs of the German Water Initiative for Central Asia
    Publication Date: 2020-02-12
    Description: In the context of Integrated Water Resources Management(IWRM), informed decision making requires accurate,timely, spatially extensive, consistent and wellunderstood data sets on climate, water and land resources.Earth observation technologies provide suchdata sets as well as methods and tools for the generationof high-quality data products to support planningand decision-making. This Policy Brief advocates theuse of Earth observation technologies and their integrationinto operational monitoring and decision-supportsystems in Central Asia based on examples fromthe CAWa project.
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  • 86
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data | GIPP Experiment and Data Archive
    Publication Date: 2020-02-12
    Description: Engineering seismological models (incl. ground amplification and topographic effects) of key structures in Tiryns and Midea, Greece, will be used to test the hypothesis of seismogenic causes of the decline of the Mycenaean settlements in the 12th century BC.
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  • 87
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-02-12
    Description: Length: 4 min Imagine a planet without plants. Would a landscape on that planet differ from a landscape with plants as we know it? There are two ways to tell: we can either compare natural landscapes with each other, or use computer models. We show one model for a landscape that is covered with a dense forest and one that carries almost no vegetation. Be surprised by the large difference you see in these between these two landforms! An animated science movie designed and produced by Todd Ehlers from the University of Tübingen, Germany, Andreas Schulz from Filmbüro Potsdam, Germany, with contributions of Manuel Schmid Willi Kappler, and Friedhelm von Blanckenburg, Germany within the DFG Project ““EarthShape – Earth Surface Shaping by Biota”.
    Language: English
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  • 88
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data | GIPP Experiment and Data Archive
    Publication Date: 2020-02-12
    Language: English
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  • 89
    Publication Date: 2020-05-19
    Description: Radial water jet drilling uses the power of a focused uid jet, which is capable of drilling multiple laterals of about 100 m length out of an existing well and thereby stimulating the well with full control on the operational parameters like initial direction of the lateral, length, uid pressure etc. In contrast to hydraulic stimulation treatments, this technology can potentially provide a network of enhanced uid pathways around a geothermal well to intersect with existing high permeable structures like fracture or karst systems within the reservoir, independent of the ambient stress eld. Applying RJD, laterals typically have a diameter ranging from about 25 mm to 50 mm, depending on jetting parameters like pressure and ow rate as well as rock properties. Drilling a single lateral in a cased well requires approximately 12 hours, as the casing has to be penetrated using a coiled tubing operated milling bit before jetting into the formation. In case the target zone is open-hole, jetting a lateral is considerably faster. Compared to conventional hydraulic stimulation treatments with required uid volumes of more than 1000 m3, only a fraction of this is needed for RJD (〈 1 m3). In addition, no pressure will be applied to the reservoir, thereby reducing environmental risk as well as the risk of induced seismicity considerably. Although RJD is investigated and applied in the hydrocarbon industry, applications in geothermal wells are very rare. If the technology can be shown to increase the eciency of a geothermal well, it will provide an interesting alternative to conventional hydraulic stimulation treatments. RJD shows highest eciency in terms of performance increase in reservoirs with low permeability (〈 10 mD). The most important criteria for the well are the minimum diameter (4 1/2" OD casings) and maximum along hole depth (about 5 km). So far, RJD operations have been performed in wells with a an inclination of up to 46 . Technologies, however, have been developed to perfom RJD operations even in horizontal well sections. Depending on the initial production; for tight gas reservoirs the gas production can be improved with a factor 4-7, simulation for geothermal wells suggest a potential performance increase by a factor of up to 3 when 8 laterals of 100 meter are successfully drilled and geological conditions are favourable. Since the potential increase depends on the type of the geothermal reservoir as well as its properties, the improvement factor has to be conrmed by eld experiments. Currently no major hazards to the well have been identied. The main risk associated with a RJD treatment appears to be sand production from the open-hole completion. However since the amount of experience and well-documented cases is limited, not all risks may have been identied at this moment in time. Major uncertainties in the production estimates are the long-term (〉1 year) stability of the jetted laterals and the eect of sub-surface heterogeneity. The jet-ability of typical geothermal reservoir rocks is also not well documented. As the jet-ability strongly depends on physical rock properties and in-situ reservoir conditions, which are signicantly dierent to typical hydrocarbon reservoirs, the feasibility of RJD in dierent geological settings has to be evaluated. Although, RJD presents a low cost stimulation method with currently no major identied risk to the well nor to the environment, experience with RJD in the geothermal industry is rare. Field applications are therefore key to evaluate the potential of the RJD stimulation technology for geothermal applications.
    Language: English
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  • 90
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-05-19
    Description: Based on the aviailable material we come to the conclusion that jetting has no direct influence on the surrounding area. Analysis on multiple scales: μm (porosity); cm (mechanical and acoustical properties); dm scale (elastic properties with and without a jetted hole) do not show a significant changes compared to in-tact material, nor can a significant change be detected with respect to distance to a jetted hole. Results fall within the intra-block variability, and differences between blocks can be well explained by block-to-block variation. True-triaxial elastic deformation tests have been designed and ran to test the effect of a lateral (jetted hole) on the elastic properties. The jetted hole itself was jetted with a rotating nozzle type, producing cilindrical holes. Comparing laboratory tests with a numerical model proved that the laboratory results may be well compared to a model with cylindrical hole embedded in a rock mass, much like a conventional borehole. The stress field around the jetted hole can therefore be well aproximated by the Kirsh-equations, modified for compression.
    Language: English
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  • 91
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    GFZ German Research Centre for Geosciences
    Publication Date: 2020-05-19
    Language: English
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  • 92
    Publication Date: 2020-05-19
    Language: English
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  • 93
    Publication Date: 2020-05-26
    Description: Work at GZB (International Geothermal Centre) had been focused on several potential, novel micro type drilling technologies. These technologies have been investigated and discussed to determine possible future options. In this report the different technologies are being presented, starting with abrasive enhanced jetting, followed by pulsation and mechanically supported drilling, ending with percussion type mechanical rock destruction and drilling. Their influence on rock disintegration and drilling efficiency have been investigated in several laboratory experiments. These were carried out to manifest a better understanding of each potential technology. The results are being presented and discussed regarding the potential increase in drilling performance versus lessons learned within WP 5.1 as well as their applicability in the field. Water jets enhanced with abrasive particles have the ability to penetrate into virtually any rock type with rather low hydraulic power. However, the (downhole) applicability in the field is commonly a challenge due to extremely fast and high wear on the pertinent material and equipment other than the rock itself, including the jetting BHA (bottom hole assembly) and nozzles. In order to partly overcome this dilemma a dedicated nozzle for abrasive mixing has been designed and patented. It may be found under patent number DE 10 2016 125 916.0. Pulsating water jets are a different approach to enhance the efficiency of rock destruction via water jet. Both techniques are based on pure high pressure jets, one adding particles to a constant jet (abrasive jetting), the other one dividing and cutting a constant jet into small, short sections to generate not constant impulses (pulsation). Various tests were carried out under reservoir type conditions inside the autoclave system “iBOGS mini”. So far the effect of pulsation seems to be low compared to the suppressed cavitation erosion mechanism under elevated pressure conditions. A very different approach is the use of micro turbines powered by the high pressure water, combined with a mechanical drill bit. The hydraulic energy of the intensified water is not directly used to penetrate the rock, but rather to generate rotation even with substantial torque via a micro turbine system. Thus, the jetting action is neglectable, as the mechanical bit does the cutting into the rock mass with rather high rotation speeds. Testing showed rather high efficiency regarding drilling speed. The technology works also independently of the rock type. All tested rock types including granite were drilled successfully with rather low hydraulic power of 10 kW (e.g. turbine differential pressures of 150 bar and flow rates of about 40 l/min). Future testing at macro and meso scale levels are being planned to verify reliability, drilling direction and more. As of now, this technology seems to be the most promising for hard rock formations in the very near future. One challenge may be their slightly larger geometrical shape and size regarding the current downhole installation scheme. But this is underway to be solved in the near future. On the final end of the possible spectrum for high pressure jet drilling from pure jetting (e.g. SURE WP 5.1 to 5.3) to transforming the intensified, high pressure water to eventually generate and gain more mechanical support over jetting are percussion engines as being known and used in so called DTH (down-the-hole) hammers. Here, the intensified water does generate medium frequency mechanical blows (“pulses”, e.g. 50 – 70 Hz) by powering a piston and drill bit for rock disintegration with very high drilling speeds. The differential pressure across such a hammer with approx. 180 bar is at the same level as for the before mentioned micro turbines and thus, much lower than for direct high pressure water jetting. Compared to the turbine, the hammer works with a highly dynamic force and low rotation, whereas the turbine is based on a very constant load or weight on bit (WOB) with rather high rotation speed (RPM), generating more of a grinding effect. However, the hammer ́s geometrical shape, namely its length, makes it much more difficult to be deployed downhole for micro drilling, while also some rotation needs to be generated. Here is more work underway as well. To summarize high pressure jet drilling, the full scale of currently possible solutions from pure high pressure jetting to mechanically enhanced or supported jet type drilling including abrasives, pulsation, micro turbines and percussion motors were considered and being looked at regarding their possible application in hard rock formations and future potential.
    Language: English
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  • 94
    Publication Date: 2020-05-27
    Description: Radial Jet Drilling (RJD) is a technique to stimulate wells by creating small-diameter laterals from vertical or deviated wells using hydraulic jets. The laterals, also called radials, can be up to 100 m in length. To analyze under which sub-surface conditions the radials improve the well performance most, a step-wise approach is followed in which first the performance of a single stimulated well is analyzed and in a second step, the performance of a doublet system is analyzed. Finally, case studies that are more detailed are simulated. For the single well case, a good first estimate of radial stimulation performance for different reservoir conditions can be obtained from (semi-) analytical solutions. These results show that the anisotropy in the permeability and the thickness of the reservoir influence the relative increase in productivity/injectivity most. The permeability influences in particular the absolute performance of the stimulated well. Many aspects not included in the semi-analytical solution also influence the performance of the radial stimulation: - Since the radials are open hole, stability for friable rocks or deep reservoirs is unlikely. This depends on the in-situ stress conditions. Collapsed radials probably have much lower performance or no effect at all. - The uncertainty in the radial path and diameter decreases the expected benefits from radials significantly depending on the type of reservoir. For example for a layered reservoir, the expected increase may be tens of percent lower. - Due to the small diameter (0.02-0.05 m) and rough surface of the radials and the high rates of geothermal wells, viscous pressure drop due to flow in the radials has to be taken into account for prediction of performance. For example for a radius of 0.04 m and well rate of 3600 m3/d, expected increase in performance is halved when taking into account pressure drop. - Heterogeneity in the permeability has a strong impact on the performance of the radials. Performance of individual radials depends in first approximation on the local permeability. However, this is difficult to capture in general terms. - Near well bore damage (positive skin) and prior stimulation (negative skin) have a large impact on the expected increase due to stimulation. In case the radials can be used to by-pass near well damage, performance can be much higher than predicted using the analytical equations. - Heterogeneity due to fault and/or fractures, voids, sharp transitions or layering all make potential success more uncertain and predictability lower due to potential issues with jetting. Whether increased performance for a single well can be translated to similar increased performance of a doublet depends on the doublet settings and subsurface conditions. For a fixed doublet distance or field size, an increase in rate due to improved performance of the wells will result in a reduced field life. The increased well performance can also be used to lower pumping cost at a fixed rate and thus improve performance of the doublet. It was found, that for most subsurface systems, the impact of the radials on production temperature was minor (for constant rate). Only for some fractured systems, short-circuiting can be increased due to radials. Overall, the ideal candidate for radial stimulation is a reservoir which is not too deep, in homogeneous, competent rock with a well with near well bore damage or in a not too deep anisotropic reservoir in which the main well is not drilled beneficially compared to the main direction of permeability.
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  • 95
    Publication Date: 2020-05-26
    Description: This report describes activity connected to radial jet drilling (RJD) in Iceland in WP6 – Macro Scale in the SURE project. Well HN-13, located in N-Iceland close to the town of Akureyri was selected as a candidate for RJD trials within the SURE project. It was drilled in between two prior drilled low-temperature geothermal wells, HG-10 (a.k.a. HN-10) and BO-01 (a.k.a. BN-01), that are both productive and used for district heating of Akureyri and nearby communities. Although the location was in between two producing wells, it was a poor producer only producing 5-6 liters per minute (0,1 l/s) while being air lifted. For comparison, the mean production from well HG-10 that sits 20 m NNE of HN-13, is about 25 l/s of 90°C hot water. HN-13 was therefore valued as an excellent candidate for demonstration of the stimulation technology, as any increased production after RJD will clearly be revealed. Jetting experiments in WP5 into basalt rock types sent from Iceland to Bochum were shown to be impractical as high pressure and velocities are required. Therefore, softer inter-basaltic layers were targeted. Main information on well HN-13, nearby wells, target depth as well as the RJD field testing are described in this report.
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  • 96
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR
    Publication Date: 2020-08-10
    Description: The GEOFON program consists of a global seismic network (GE Network), a seismological data centre (GEOFON DC) and a global earthquake monitoring system (GEOFON EQinfo). These three pillars are part of the MESI research infrastructure of the Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences aiming at facilitating scientific research. GEOFON provides real-time seismic data, access to its own and third party data from the archive facilities as well as global and rapid earthquake information. The GEOFON Seismological Software can be considered a fourth cross-cutting module of the GEOFON Program. Data, services, products and software openly distributed by GEOFON are used by hundreds of scientists and data centres worldwide. Its earthquake information service is accessed directly by tens of thousands of visitors. The SeisComP software package is the flagship software provided to the community, which is geared for seismic observatory and data centre needs and used extensively to support our internal operations. Like all other MESI (Modular Earth Science Infrastructure) modules GEOFON has the majority of users outside the GFZ as well as an external advisory committee that provides advice to the GFZ Executive Board and to the GEOFON team. This report describes the main activities carried out within the three GEOFON pillars and the software development group.
    Language: English
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  • 97
    Publication Date: 2020-05-28
    Language: English
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  • 98
    Publication Date: 2020-06-09
    Language: English
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  • 99
    Publication Date: 2020-11-05
    Description: The International Geodynamics and Earth Tide Service (IGETS) was established in 2015 by the International Association of Geodesy (IAG). IGETS continues the activities of the Global Geodynamics Project (GGP, 1997-2015) to provide support to geodetic and geophysical research activities using superconducting gravimeter data within the context of an international network. The primary objective of IGETS is to provide a service to monitor temporal variations of the Earth’s gravity field through long-term records from ground gravimeters, tiltmeters, strainmeters and other geodynamic sensors. IGETS also continues the activities of the International Center for Earth Tides, in particular, in collecting, archiving and distributing Earth tide records from long series of the various geodynamic sensors. This report is a compilation of data descriptions originating to a large part from GGP but including updates and extensions for IGETS.
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  • 100
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    GFZ German Research Centre for Geosciences
    In:  Scientific Technical Report STR - Data | GIPP Experiment and Data Archive
    Publication Date: 2020-05-20
    Description: This report describes the passive seismic data acquired by the TOPASE network deployed over Rittershoffen geothermal field (Alsace, France). The monitoring period extends from March 2013 to November 2014, which includes the stimulation of the first well of the doublet, the drilling of the second well and well tests. These data were acquired using 31 Earth Data Loggers PR6-24 and MARK-SERCEL L-4C-3D 1 Hz seismometers of the Geophysical Instrument Pool Potsdam (GIPP), which were provided to the KIT-AGW-Geothermal research division.
    Language: English
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