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  • ddc:551
  • ddc:551.46
  • Springer Berlin Heidelberg  (42)
  • Springer Nature  (36)
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  • 1
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    Springer Nature
    Publication Date: 2021-02-10
    Description: This open access book offers a summary of the development of Digital Earth over the past twenty years. By reviewing the initial vision of Digital Earth, the evolution of that vision, the relevant key technologies, and the role of Digital Earth in helping people respond to global challenges, this publication reveals how and why Digital Earth is becoming vital for acquiring, processing, analysing and mining the rapidly growing volume of global data sets about the Earth. The main aspects of Digital Earth covered here include: Digital Earth platforms, remote sensing and navigation satellites, processing and visualizing geospatial information, geospatial information infrastructures, big data and cloud computing, transformation and zooming, artificial intelligence, Internet of Things, and social media. Moreover, the book covers in detail the multi-layered/multi-faceted roles of Digital Earth in response to sustainable development goals, climate changes, and mitigating disasters, the applications of Digital Earth (such as digital city and digital heritage), the citizen science in support of Digital Earth, the economic value of Digital Earth, and so on. This book also reviews the regional and national development of Digital Earth around the world, and discusses the role and effect of education and ethics. Lastly, it concludes with a summary of the challenges and forecasts the future trends of Digital Earth. By sharing case studies and a broad range of general and scientific insights into the science and technology of Digital Earth, this book offers an essential introduction for an ever-growing international audience.
    Keywords: Geography ; Remote sensing ; Physical geography ; Computers ; Big data ; Sustainable development ; Climate change ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RG Geography::RGW Geographical information systems (GIS) & remote sensing ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RND Environmental policy & protocols ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNU Sustainability ; bic Book Industry Communication::U Computing & information technology::UN Databases ; bic Book Industry Communication::U Computing & information technology::UT Computer networking & communications
    Language: English
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  • 2
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    Springer Nature | Springer Singapore
    Publication Date: 2022-02-15
    Description: This book is open access and illustrates the spatial distribution of the global change risk of population and economic systems with the maps of environment, global climate change, global population and economic systems, and global change risk. The risks of global change are mapped at 0.25 degree grid unit. The risk results and their contribution rates of the world at national level are unprecedentedly derived and ranked. The book can be a good reference for researchers and students in the field of global climate change and natural disaster risk management, as well as risk managers and enterpriser to understand the global change risk of population and economic systems.
    Keywords: Climate change ; SSPs and RCPs ; Global change risk ; Population and economic systems ; Contribution rate ; 0.25 degree ; Open Access ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPQ Central government::JPQB Central government policies ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNR Natural disasters ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBP Meteorology & climatology ; bic Book Industry Communication::T Technology, engineering, agriculture::TV Agriculture & farming::TVB Agricultural science ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCP Political economy
    Language: English
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  • 3
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    Springer Nature | Springer International Publishing
    Publication Date: 2024-04-04
    Description: This open access book describes Smittestopp, the first Norwegian system for digital contact tracing of Covid-19 infections, which was developed in March and early April 2020. The system was deployed after five weeks of development and was active for a little more than two months, when a drop in infection levels in Norway and privacy concerns led to shutting it down. The intention of this book is twofold. First, it reports on the design choices made in the development phase. Second, as one of the only systems in the world that collected population data into a central database and which was used for an entire population, we can share experience on how the design choices impacted the system's operation. By sharing lessons learned and the challenges faced during the development and deployment of the technology, we hope that this book can be a valuable guide for experts from different domains, such as big data collection and analysis, application development, and deployment in a national population, as well as digital tracing.
    Keywords: digital contract tracing ; Covid-19 ; public health ; pandemic ; BLE ; GPS ; thema EDItEUR::P Mathematics and Science::PB Mathematics::PBK Calculus and mathematical analysis::PBKS Numerical analysis ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues::MBN Public health and preventive medicine ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues::MBN Public health and preventive medicine::MBNS Epidemiology and Medical statistics ; thema EDItEUR::U Computing and Information Technology::UY Computer science ; thema EDItEUR::U Computing and Information Technology::UK Computer hardware::UKN Network hardware ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYD Systems analysis and design
    Language: English
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  • 4
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    Springer Nature
    Publication Date: 2021-02-10
    Description: This open access book asks just how climate-smart our food really is. It follows an average day's worth of food and drink to see where it comes from, how far it travels, and the carbon price we all pay for it. From our breakfast tea and toast, through breaktime chocolate bar, to take-away supper, Dave Reay explores the weather extremes the world’s farmers are already dealing with, and what new threats climate change will bring. Readers will encounter heat waves and hurricanes, wildfires and deadly toxins, as well as some truly climate-smart solutions. In every case there are responses that could cut emissions while boosting resilience and livelihoods. Ultimately we are all in this together, our decisions on what food we buy and how we consume it send life-changing ripples right through the global web that is our food supply. As we face a future of 10 billion mouths to feed in a rapidly changing climate, it’s time to get to know our farmers and herders, our vintners and fisherfolk, a whole lot better. ;
    Keywords: Popular works ; Nature ; Environment ; Environment ; Environmental geography ; Climate change ; Climate change ; Agriculture ; bic Book Industry Communication::J Society & social sciences ; bic Book Industry Communication::P Mathematics & science::PD Science: general issues::PDZ Popular science ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RG Geography::RGB Physical geography & topography ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RND Environmental policy & protocols ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::T Technology, engineering, agriculture::TV Agriculture & farming::TVB Agricultural science
    Language: English
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  • 5
    Publication Date: 2023-11-16
    Description: This open access book explores the intersection of property law, relocation, and resettlement processes in the United States and among communities that grapple with migration as an adaptation strategy. As communities face the prospect of relocating because of rising seas, policy makers, disaster specialists, and community leaders are scrambling to understand what adaptation pathways are legally possible. While in its ideal application, law functions blindly and without variation, the authors find that legal contradictions come to bear on resettlement processes and place certain communities further in harm’s way. This book will unearth these contradictions in order to understand why successful community-based resettlement has presented such a challenge to communities that are experiencing increasing land deterioration as a result of climate change.
    Keywords: Environmental politics ; Property Law ; Migration ; United States ; Relocation ; Resettlement ; Climate Change ; Climate justice ; Adaptation ; Climate disaster ; Community-based resettlement ; Land deterioration ; Policy ; Emergency management ; Public administration ; Disaster ; Emergencies ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPQ Central government::JPQB Central government policies ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPP Public administration ; bic Book Industry Communication::L Law::LA Jurisprudence & general issues::LAF Systems of law::LAFD Civil codes / Civil law ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPA Political science & theory ; bic Book Industry Communication::J Society & social sciences::JP Politics & government
    Language: English
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  • 6
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    Springer Nature | Springer
    Publication Date: 2024-03-29
    Description: The world is currently undergoing an historic energy transition, driven by increasingly stringent decarbonisation policies and rapid advances in low-carbon technologies. The large-scale shift to low-carbon energy is disrupting the global energy system, impacting whole economies, and changing the political dynamics within and between countries. This open access book, written by leading energy scholars, examines the economic and geopolitical implications of the global energy transition, from both regional and thematic perspectives. The first part of the book addresses the geopolitical implications in the world’s main energy-producing and energy-consuming regions, while the second presents in-depth case studies on selected issues, ranging from the geopolitics of renewable energy, to the mineral foundations of the global energy transformation, to governance issues in connection with the changing global energy order. Given its scope, the book will appeal to researchers in energy, climate change and international relations, as well as to professionals working in the energy industry.
    Keywords: International Relations ; Energy Policy, Economics and Management ; Natural Resource and Energy Economics ; Climate Change/Climate Change Impacts ; Environmental Economics ; Earth System Sciences ; Energy transition geopolitics ; International decarbonisation policies ; Global warming ; Global energy system ; Geopolitics of the global energy transition ; Economic and political impacts of low-carbon technologies ; Power generation mix ; Geopolitical implications of global warming ; Governance of the global energy order ; Open Access ; International relations ; Energy technology & engineering ; Energy industries & utilities ; Environmental economics ; Climate change ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPS International relations ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCV Economics of specific sectors::KCVG Environmental economics ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNP Pollution and threats to the environment::RNPG Climate change
    Language: English
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  • 7
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    Springer Nature
    Publication Date: 2024-04-08
    Description: This open access book analyses the interplay of sustainable development and human rights from different perspectives including fight against poverty, health, gender equality, working conditions, climate change and the role of private actors. Each aspect is addressed from a more human rights-focused angle and a development-policy angle. This allows comparisons between the different approaches but also seeks to close gaps which would remain if only one perspective would be at the center of the discussions. Specifically, the book shows the strong connections between human rights and the objectives of the 2030 Agenda for Sustainable Development and the Sustainable Development Goals adopted by the United Nations in 2015. Already the preamble of this document explicitly states that “the 17 Sustainable Development Goals ... seek to realise the human rights of all”. Moreover, several goals and targets of the 2030 Agenda correspond to already existing individual human rights obligations. The contributions of this volume therefore also address how the implementation of human rights and SDGs can reinforce each other, but also point to critical shortcomings of the different approaches.
    Keywords: Law ; Human rights ; Economic development—Environmental aspects ; Sustainable development ; Economic policy ; Social justice ; Human rights ; Climate change ; thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GT Interdisciplinary studies::GTP Development studies ; thema EDItEUR::J Society and Social Sciences::JP Politics and government ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPV Political control and freedoms::JPVH Human rights, civil rights ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNP Pollution and threats to the environment::RNPG Climate change ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNU Sustainability
    Language: English
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  • 8
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    Springer Nature | Springer
    Publication Date: 2022-03-16
    Description: This Open Access book’s main focus is agriculture and natural resource management, disaster risk reduction, and human resource development in the countries of East and Southeast Asia and Japan. Asia is one of the regions which is the most vulnerable to the impacts of climate change. More than sixty percent of the world’s people live in the region, making it the growth center of the world. Asia is vast and includes various countries and regions, this book is focused on East and Southeast Asia including Japan. It is essential to share the knowledge and experiences for adapting climate change among these areas. In order to tackle these issues, the book aims to: Promote inter-local lessons learnt sharing climate change adaptations; "agriculture and natural resource management" and "disaster risk reduction and human resource development" Provides insights into new adaptation measures and research approaches that can consider the regional nature of Southeast Asia Share practical adaptation options permeated by society in each country/region This book will be of interest to researchers and students examining climate change impacts in East and Southeast Asia.
    Keywords: Climate change ; Climate-Change Adaptation ; Disaster risk reduction ; East and Southeast Asia ; Agriculture ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBP Meteorology & climatology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNR Natural disasters ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNF Environmental management ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNU Sustainability ; bic Book Industry Communication::T Technology, engineering, agriculture::TV Agriculture & farming::TVB Agricultural science ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPQ Central government::JPQB Central government policies
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  • 9
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    Springer Nature | Springer
    Publication Date: 2021-02-10
    Description: This open access textbook provides a concise introduction to economic approaches and mathematical methods for the study of water allocation and distribution problems. Written in an accessible and straightforward style, it discusses and analyzes central issues in integrated water resource management, water tariffs, water markets, and transboundary water management. By illustrating the interplay between the hydrological cycle and the rules and institutions that govern today’s water allocation policies, the authors develop a modern perspective on water management. Moreover, the book presents an in-depth assessment of the political and ethical dimensions of water management and its institutional embeddedness, by discussing distribution issues and issues of the enforceability of human rights in managing water resources. Given its scope, the book will appeal to advanced undergraduate and graduate students of economics and engineering, as well as practitioners in the water sector, seeking a deeper understanding of economic approaches to the study of water management.
    Keywords: Natural Resource and Energy Economics ; Water Policy/Water Governance/Water Management ; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution ; Environmental Economics ; Water ; Pollution ; Water economics ; Sustainable water management ; Water engineering ; Hydro-economic models ; Affordable water tariffs ; Eco-hydrology ; Human rights to water ; Water recycling ; Open Access book ; Climate change ; Environmental economics ; Environmental management, ; Water supply & treatment ; Energy industries & utilities ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCN Environmental economics ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNF Environmental management ; bic Book Industry Communication::T Technology, engineering, agriculture::TQ Environmental science, engineering & technology::TQS Sanitary & municipal engineering::TQSW Water supply & treatment
    Language: English
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  • 10
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    Springer Nature | Palgrave Macmillan
    Publication Date: 2024-04-07
    Description: This book aims to help readers make sense of our changing world by sharing the views of global thought leaders on some of the most important issues of our time, from US-China relations and global governance to climate change and the COVID-19 pandemic. The ten dialogues in this book were part of the “China and the World” series of online discussions hosted by the Center for China and Globalization (CCG). The series features CCG President Huiyao Wang in conversation with experts from a range of fields, from renowned scholars of international relations, economics, and history, to journalists, policymakers, and business leaders. The speakers featured in this book are Graham Allison, David Blair, Kerry Brown, Anne Case, Li Chen, Wendy Cutler, Angus Deaton, Thomas L. Friedman, Valerie Hansen, Pascal Lamy, Kishore Mahbubani, Joseph S. Nye Jr., Adam Posen, J. Stapleton Roy, John L. Thornton, Huiyao Wang, Martin Wolf, and Zhu Guangyao. These wide-ranging discussions offer unique insights and perspectives on key trends shaping our world in the 21st century. These include the rise of China and shifts in geopolitics, as well as the evolving nature of globalization, transnational threats, and multilateralism. This is an open access book. This is an open access book.
    Keywords: US-China relations ; Climate change ; international relations ; globalization ; diplomacy ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPS International relations ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCL International economics ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJS Sales and marketing::KJSM Market research
    Language: English
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  • 11
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    Springer Nature | Springer
    Publication Date: 2021-02-10
    Description: This open access book provides worldwide examples demonstrating the importance of the interplay between demography and disasters in regions and spatially. It marks an advance in practical and theoretical insights for understanding the role of demography in planning for and mitigating impacts from disasters in developed nations. Both slow onset (like the of loss polar ice from climate change) and sudden disasters (such as cyclones and man-made disasters) have the capacity to fundamentally change the profiles of populations at local and regional levels. Impacts vary according to the type, rapidity and magnitude of the disaster, but also according to the pre-existing population profile and its relationships to the economy and society. In all cases, the key to understanding impacts and avoiding them in the future is to understand the relationships between disasters and population change. In most chapters in this book we compare and contrast studies from at least two cases and summarize their practical and theoretical lessons.
    Keywords: Demography ; Human Geography ; Climate Change ; Statistics for Social Sciences, Humanities, Law ; Population Economics ; Natural Hazards ; Population and Demography ; Environmental Sciences ; Statistics in Social Sciences, Humanities, Law, Education, Behavorial Sciences, Public Policy ; Impact of disasters ; Demograhic change ; Regional effects of disasters ; Population dynamics ; Environmental change ; Open access ; Population & demography ; Human geography ; Climate change ; Social research & statistics ; Political economy ; Natural disasters ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology::JHBD Population & demography ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RG Geography::RGC Human geography ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology::JHBC Social research & statistics ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCP Political economy ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNR Natural disasters
    Language: English
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  • 12
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    Springer Nature | Springer VS
    Publication Date: 2024-04-05
    Description: This open access book examines how and why various forms of climate (im)mobilities can impact people's objective and subjective well-being. Worsening climate impacts are forcing subsistence farmers worldwide to decide between staying or leaving their homes. This mixed methods study analyzes cases of climate-related migration, displacement, relocation, and immobility in Peru's coastal, highland, and rainforest regions. The results reveal that numerous farmers experienced profound and often negative well-being impacts, regardless of whether they stayed or migrated. The higher the structural constraints, such as weak governance, and the more damaging the climate impacts were, the higher the risk of well-being declines. Additionally, the affected individuals often had limited agency and ability to mitigate losses. These findings challenge the notion of "migration as adaptation" and emphasize the importance of safeguarding the human rights and security of those affected while addressing loss and damage. Without significant investments in such efforts, climate impacts could sharply diminish the well-being of numerous subsistence farmers worldwide—irrespective of whether they stay or migrate.
    Keywords: Climate change ; Displacement ; Immobility ; Well-being ; Peru ; Migration ; Relocation ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RG Geography::RGB Physical geography and topography
    Language: English
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  • 13
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    Springer Nature
    Publication Date: 2024-04-16
    Description: This open access book analyzes and seeks to consolidate the use of robust quantitative tools and qualitative methods for the design and assessment of energy and climate policies. In particular, it examines energy and climate policy performance and associated risks, as well as public acceptance and portfolio analysis in climate policy, and presents methods for evaluating the costs and benefits of flexible policy implementation as well as new framings for business and market actors. In turn, it discusses the development of alternative policy pathways and the identification of optimal switching points, drawing on concrete examples to do so. Lastly, it discusses climate change mitigation policies’ implications for the agricultural, food, building, transportation, service and manufacturing sectors. ; Open Access Presents a comprehensive tool set of methods for devising energy and climate policies Focuses on methods that are robust and adaptive enough to mitigate risks Investigates implications of climate change mitigation policies to various sectors
    Keywords: Economics ; Management science ; Environmental economics ; Operations research ; Decision making ; Climate change ; Energy policy ; Energy and state ; Public policy ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPP Public administration ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCV Economics of specific sectors::KCVG Environmental economics ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJT Operational research ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RND Environmental policy and protocols ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering
    Language: English
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  • 14
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    Springer Nature | Springer
    Publication Date: 2021-02-10
    Description: This open access book is a result of the Dalhousie-led research project Safe Navigation and Environment Protection, supported by a grant from the Ocean Frontier Institute’s the Canada First Research Excellent Fund (CFREF). The book focuses on Arctic shipping and investigates how ocean change and anthropogenic impacts affect our understanding of risk, policy, management and regulation for safe navigation, environment protection, conflict management between ocean uses, and protection of Indigenous peoples’ interests. A rapidly changing Arctic as a result of climate change and ice loss is rendering the North more accessible, providing new opportunities while producing impacts on the Arctic. The book explores ideas for enhanced governance of Arctic shipping through risk-based planning, marine spatial planning and scaling up shipping standards for safety, environment protection and public health.
    Keywords: Polar Geography ; Climate Change/Climate Change Impacts ; Water Policy/Water Governance/Water Management ; Environmental Management ; Freshwater & Marine Ecology ; Physical Geography ; Earth System Sciences ; Water ; Freshwater and Marine Ecology ; Arctic cruise shipping ; Arctic fisher safety ; Climate change impacts in the Arctic region ; Governance of the Arctic and Northwest Atlantic ; Marine spatial planning ; Northwest Atlantic and Canadian Eastern Arctic Gateway ; Safe navigation and environment protection ; Sea ice in the Arctic ; Search and Rescue (SAR) ; Open Access ; Physical geography & topography ; Climate change ; Environmental management, ; Ecological science, the Biosphere ; Hydrobiology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RG Geography::RGB Physical geography & topography ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNF Environmental management ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere
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  • 15
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    Springer Nature | Springer
    Publication Date: 2021-02-10
    Description: This open access book presents the most current research results and knowledge from five multidisciplinary themes: Vulnerability of Arctic Environments, Vulnerability of Arctic Societies, Local and Traditional Knowledge, Building Long-term Human Capacity, New Markets for the Arctic, including tourism and safety. The themes are those discussed at the first ever UArctic Congress Science Section, St. Petersburg, Russia, September 2016. The book looks at the Arctic from a holistic perspective; how the environment (both marine and terrestrial) and communities can adapt and manage the changes due to climate change. The chapters provide examples of the state-of-the-art research, bringing together both scientific and local knowledge to form a comprehensive and cohesive volume. Except where otherwise noted, this book is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. ; Provides a multidisciplinary view on topical Arctic issues and research Discusses capacity building on different scales Shares knowledge about the northern systems across the Arctic
    Keywords: Environmental Management ; Climate Change/Climate Change Impacts ; Quality of Life Research ; Environment Studies ; Political Economy/Economic Systems ; Earth System Sciences ; Environmental Sciences ; Political Economy and Economic Systems ; Climate change and the Arctic ; Human capacity and knowledge building ; Vulnerability of Arctic environments ; Marine and terrestrial polar landscapes ; Local, indigenous knowledge and tourism ; Open Access ; Environmental management, ; Climate change ; Social & ethical issues ; Society & Social Sciences ; The environment ; Political economy ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNF Environmental management ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFF Social issues & processes ; bic Book Industry Communication::J Society & social sciences ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCP Political economy
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  • 16
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    Springer Nature
    Publication Date: 2024-03-30
    Description: 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. ; First comprehensive stocktaking exercise highlighting the state of the art of research, political debate and policy options on loss and damage and the debate on risks "beyond adaptation" Articulates principles and definitions of loss and damage, and highlights ethical and normative issues central to the discourse Identifies practical and evidence-based policy and implementation options for its operationalization
    Keywords: Environment ; Climate change ; Climate change ; Climate change ; Environmental law ; Environmental policy ; Risk management ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJM Management and management techniques ; thema EDItEUR::L Law::LN Laws of specific jurisdictions and specific areas of law::LNK Environment, transport and planning law: general::LNKJ Environment law ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RND Environmental policy and protocols ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNP Pollution and threats to the environment::RNPG Climate change
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  • 17
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    Springer Nature
    Publication Date: 2021-02-10
    Description: Environment; Environmental management; Agriculture; Climate change; Soil science; Soil conservation; Environmental law; Environmental policy
    Keywords: Environment ; Environmental management ; Agriculture ; Climate change ; Soil science ; Soil conservation ; Environmental law ; Environmental policy ; bic Book Industry Communication::L Law::LN Laws of Specific jurisdictions::LNK Environment, transport & planning law::LNKJ Environment law ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBG Geology & the lithosphere::RBGB Soil science, sedimentology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNF Environmental management ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::T Technology, engineering, agriculture::TV Agriculture & farming::TVB Agricultural science
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  • 18
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    Springer Nature | Springer
    Publication Date: 2021-02-10
    Description: This open access book discusses the impact of human-induced global climate change on the regional climate and monsoons of the Indian subcontinent, adjoining Indian Ocean and the Himalayas. It documents the regional climate change projections based on the climate models used in the IPCC Fifth Assessment Report (AR5) and climate change modeling studies using the IITM Earth System Model (ESM) and CORDEX South Asia datasets. The IPCC assessment reports, published every 6–7 years, constitute important reference materials for major policy decisions on climate change, adaptation, and mitigation. While the IPCC assessment reports largely provide a global perspective on climate change, the focus on regional climate change aspects is considerably limited. The effects of climate change over the Indian subcontinent involve complex physical processes on different space and time scales, especially given that the mean climate of this region is generally shaped by the Indian monsoon and the unique high-elevation geographical features such as the Himalayas, the Western Ghats, the Tibetan Plateau and the adjoining Indian Ocean, Arabian Sea, and Bay of Bengal. This book also presents policy relevant information based on robust scientific analysis and assessments of the observed and projected future climate change over the Indian region.
    Keywords: Earth System Sciences ; Climate Change/Climate Change Impacts ; Climate Change Management and Policy ; Climatology ; Climate Change ; Environmental Sciences ; Indian Subcontinent ; Indian Ocean ; Himalayas ; Monsoon ; Temperature Changes ; Atmospheric Trace Gases ; Droughts and Floods ; Himalayan Cryosphere ; Open Access ; Earth sciences ; Environmental science, engineering & technology ; Climate change ; The environment ; Meteorology & climatology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RND Environmental policy & protocols ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBP Meteorology & climatology
    Language: English
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    Springer Nature | Springer Spektrum
    Publication Date: 2021-02-10
    Description: Diese Open-Access-Publikation ist ein anwendungsorientiertes Lehr- und Handbuch zur Abflussminderung im ländlichen Raum. Meteorologische Extreme wie Dürren, Starkregen und Überschwemmungen häufen sich wegen des Klimawandels. Gleichzeitig steigt der Druck auf unsere Landschaft kontinuierlich, indem sie immer intensiver genutzt und effizienter erschlossen wird. Durch diese Entwicklungen ergeben sich dringende Herausforderungen für den ländlichen Hochwasserschutz und den Erhalt unserer natürlichen Ressourcen Wasser und Boden. Das Buch beschreibt Methoden für die Planung von Maßnahmen zur Abflussminderung. Es ist speziell für kleine Einzugsgebiete (〈 25 km²) konzipiert, da gerade dort viele Gemeinden durch die genannten Entwicklungen zunehmend mit Sturzfluten und Überflutungen konfrontiert sind. Gleichzeitig können dezentrale Ansätze zur Abflussminderung hier am meisten bewirken. Das Handbuch richtet sich vornehmlich an Ingenieure, Planer und Berater von Landwirtschaft, Kommunen und Ländlicher Entwicklung, soll aber auch Studenten und Wissenschaftlern der relevanten Fachgebiete als Informationsquelle und Nachschlagewerk dienen. Die Autoren: Dr. Simon P. Seibert ist Ingenieurökologe und hat über die Entstehung und Modellierung von Hochwasser in München und Karlsruhe promoviert. Seit Mitte 2019 leitet er der Arbeitsgruppe Gebietshydrologie am Bayerischen Landesamt für Umwelt. Prof. Dr. Karl Auerswald lehrt am Wissenschaftszentrum Weihenstephan für Ernährung, Landnutzung und Umwelt der TU München. Seine Forschungsschwerpunkte der vergangenen 40 Jahre sind agrarökologische Prozesse, insbesondere der Wasserhaushalt von Landschaften, Böden, Pflanzen und Tieren.
    Keywords: Landscape/Regional and Urban Planning ; Hydrology/Water Resources ; Geoengineering, Foundations, Hydraulics ; Climate Change/Climate Change Impacts ; Soil Science & Conservation ; Geography ; Water ; Geoengineering ; Earth System Sciences ; Soil Science ; Hochwasserschutz ; Landschaftsgestaltung ; Sturzfluten ; Landnutzung ; Flurgliederung ; Abflussminderung ; Wasserrückhalt ; Abflussverzögerung ; Wasserwirtschaft ; Landschaftsplanung ; Open Access ; Regional & area planning ; Hydrology & the hydrosphere ; Meteorology & climatology ; Geochemistry ; Climate change ; Sedimentology & pedology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RP Regional & area planning ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBK Hydrology & the hydrosphere ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBP Meteorology & climatology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBG Geology & the lithosphere::RBGB Soil science, sedimentology
    Language: German
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    Springer Nature
    Publication Date: 2024-04-07
    Description: This open access book presents detailed pathways to achieve 100% renewable energy by 2050, globally and across ten geographical regions. Based on state-of-the-art scenario modelling, it provides the vital missing link between renewable energy targets and the measures needed to achieve them. Bringing together the latest research in climate science, renewable energy technology, employment and resource impacts, the book breaks new ground by covering all the elements essential to achieving the ambitious climate mitigation targets set out in the Paris Climate Agreement. For example, sectoral implementation pathways, with special emphasis on differences between developed and developing countries and regional conditions, provide tools to implement the scenarios globally and domestically. Non-energy greenhouse gas mitigation scenarios define a sustainable pathway for land-use change and the agricultural sector. Furthermore, results of the impact of the scenarios on employment and mineral and resource requirements provide vital insight on economic and resource management implications. The book clearly demonstrates that the goals of the Paris Agreement are achievable and feasible with current technology and are beneficial in economic and employment terms. It is essential reading for anyone with responsibility for implementing renewable energy or climate targets internationally or domestically, including climate policy negotiators, policy-makers at all levels of government, businesses with renewable energy commitments, researchers and the renewable energy industry.
    Keywords: Energy ; Renewable energy resources ; Climate change ; Sustainable development ; Natural resources ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCV Economics of specific sectors::KCVG Environmental economics ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RND Environmental policy and protocols ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNU Sustainability ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THV Alternative and renewable energy sources and technology
    Language: English
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    Springer Nature | Springer International Publishing
    Publication Date: 2022-02-15
    Description: This Open Access book deals with the pressing question of how to achieve transformational change that reconciles development with environmental sustainability. It particularly focuses on the role of evaluation in finding sustainable solutions. Environment and development are closely interlinked, as are human health and ecosystem health. The pandemic that began in 2020 demonstrated in no uncertain terms how destruction of habitats has allowed hitherto unknown pathogens spill over to humans wreaking havoc on people’s lives and livelihoods. We are already seeing the impacts of global climate change in terms of heatwaves, forest fires and increased storms. The Sustainable Development Goals (SDGs) explicitly recognize the equal importance of the social, economic and environmental dimensions of development. In these turbulent times, when humankind faces multiple complex challenges it is essential to know that our responses are effective and that they make a positive difference. Evaluation can provide invaluable lessons to how we design policies, strategies and programs and how we allocate limited resources between competing priorities. This book brings together key thinkers and practitioners from the public and private sectors, from major multilateral organizations and from bilateral donor agencies, to present the latest knowledge and experience on how to evaluate interventions in the nexus of environment and development. The book does not promote any particular approach or methodology, but rather emphasizes the need for mixed methods to address the question at hand in the best and most suitable manner. It covers cases from a variety of fields, from climate change mitigation and adaptation, energy efficiency and renewable energy, natural resources management, biodiversity conservation and more. This book is not a conference proceedings although it has its roots in the Third International Conference on Evaluating Environment and Development organized by the GEF Independent Evaluation Office in October 2019. The conference brought together a larger number of established and upcoming evaluators, researchers and evaluation users from the Global North and South, representing a wide variety of organizations, to discuss the frontiers of environment and development evaluation. Following the conference, the editors identified and contacted the participants who made key contributions at the conference and asked them to develop their ideas and papers into book chapters according to a coherent plan.
    Keywords: Climate change ; Environmental management ; Global policy ; International organizations ; Sustainable development ; Open Access ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNU Sustainability ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment ; bic Book Industry Communication::J Society & social sciences ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPQ Central government::JPQB Central government policies ; bic Book Industry Communication::J Society & social sciences::JK Social services & welfare, criminology::JKS Social welfare & social services::JKSN Social work
    Language: English
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  • 22
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    Springer Nature | Springer Singapore
    Publication Date: 2024-04-05
    Description: This open access book introduces the function, implementation and governance of green infrastructure in Japan and other countries where lands are geologically fragile and climatologically susceptible to climate change. It proposes green infrastructure as an adaptation strategy for climate change and biodiversity conservation. In the face of climate change, dams, levees and floodways built as disaster prevention facilities do not sufficiently function against extraordinary events such as mega-floods and tsunami disasters. To prevent those disasters and loss of biodiversity in various ecosystems, we should shift from conventional hard measures to more adaptive strategies using various functions that natural and semi-natural ecosystems provide. Green infrastructure is an interconnected network of waterways, wetlands, woodlands, wildlife habitats and other natural areas that support native species, maintain natural ecological processes, sustain air and water resources and contribute to the health and quality of life for communities and people. Green infrastructure has mainly been discussed from adaptation strategy perspectives in cities and urban areas. However, to protect cities, which are generally situated at downstream lower elevations, we explore the preservation and restoration of forests at headwater basins and wetlands along rivers from a catchment perspective. In addition, the quantitative examination of flood risk, biodiversity, and social-economic benefits described in this book brings new perspectives to the discussion. The aim of this book is to accelerate the transformative changes from gray-based adaptation strategies to green- or hybrid-based strategies to adapt to climate change. The book provides essential information on the structure, function, and maintenance of green infrastructure for scientists, university students, government officers, and practitioners.
    Keywords: Open Access ; Green infrastructure ; Ecosystem-based disaster risk reduction ; Climate change ; Adaptation strategy ; Flood ; Tsunami ; Hybrid-infrastructure ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PST Botany and plant sciences ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCV Economics of specific sectors::KCVG Environmental economics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVR Forestry and silviculture
    Language: English
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  • 23
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    Springer Nature
    Publication Date: 2024-03-23
    Description: This open access book on straw management aims to provide a wide array of options for rice straw management that are potentially more sustainable, environmental, and profitable compared to current practice. The book is authored by expert researchers, engineers and innovators working on a range of straw management options with case studies from Vietnam, the Philippines and Cambodia. The book is written for engineers and researchers in order to provide them information on current good practice and the gaps and constraints that require further research and innovation. The book is also aimed at extension workers and farmers to help them decide on the best alternative straw management options in their area by presenting both the technological options as well as the value chains and business models required to make them work. The book will also be useful for policy makers, required by public opinion to reduce greenhouse gas emissions and air pollution, looking for research-based evidence to guide the policies they develop and implement.
    Keywords: Environment ; Sustainable development ; Environmental management ; Climate change ; Agriculture ; Environmental engineering ; Biotechnology ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNF Environmental management ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNP Pollution and threats to the environment::RNPG Climate change ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNU Sustainability ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TQ Environmental science, engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVB Agricultural science
    Language: English
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    Springer Nature
    Publication Date: 2021-02-10
    Description: This open access book identifies and discusses biodiversity’s contribution to physical, mental and spiritual health and wellbeing. Furthermore, the book identifies the implications of this relationship for nature conservation, public health, landscape architecture and urban planning – and considers the opportunities of nature-based solutions for climate change adaptation. This transdisciplinary book will attract a wide audience interested in biodiversity, ecology, resource management, public health, psychology, urban planning, and landscape architecture. The emphasis is on multiple human health benefits from biodiversity - in particular with respect to the increasing challenge of climate change. This makes the book unique to other books that focus either on biodiversity and physical health or natural environments and mental wellbeing. The book is written as a definitive ‘go-to’ book for those who are new to the field of biodiversity and health.
    Keywords: Environment ; Environmental health ; Applied ecology ; Climate change ; Biodiversity ; Public health ; Regional planning ; Urban planning ; bic Book Industry Communication::M Medicine::MB Medicine: general issues::MBN Public health & preventive medicine ; bic Book Industry Communication::M Medicine::MM Other branches of medicine::MMR Environmental medicine ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNC Applied ecology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNC Applied ecology::RNCB Biodiversity ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RP Regional & area planning
    Language: English
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  • 25
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    Springer Nature
    Publication Date: 2024-03-30
    Description: Sustainability; Climate change; Saturation; Leading country in resolving societal problems; Resource self-sufficiency; Urban mines; Renewable energy; Human-nature symbiosis; Aging society; Longevity; Lifelong learning; Sustainable cities; Low carbon society; Zero emission; Quality of life
    Keywords: Sustainability ; Climate change ; Saturation ; Leading country in resolving societal problems ; Resource self-sufficiency ; Urban mines ; Renewable energy ; Human-nature symbiosis ; Aging society ; Longevity ; Lifelong learning ; Sustainable cities ; Low carbon society ; Zero emission ; Quality of life ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCM Development economics and emerging economies ; thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCV Economics of specific sectors::KCVG Environmental economics
    Language: English
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  • 26
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    Springer Nature
    Publication Date: 2021-02-10
    Description: This open access book addresses the various disciplinary aspects of nature-based solutions in flood risk management on private land. In recent decades, water management has been moving towards nature-based solutions. These are assumed to be much more multi-purpose than traditional “grey infrastructures” and seem to be regarded as a panacea for many environmental issues. At the same time, such measures require more – and mostly privately owned – land and more diverse stakeholder involvement than traditional (grey) engineering approaches. They also present challenges related to different disciplines. Nature-based solutions for flood risk management not only require technical expertise, but also call for interdisciplinary insights from land-use planning, economics, property rights, sociology, landscape planning, ecology, hydrology, agriculture and other disciplines to address the challenges of implementing them. Ultimately, nature-based flood risk management is a multi-disciplinary endeavor. Featuring numerous case studies of nature-based flood risk management accompanied by commentaries, this book presents brief academic reflections from two different disciplinary perspectives that critically highlight which specific aspects are of significance, and as such, underscore the multi-disciplinary nature of the challenges faced. ;
    Keywords: Earth sciences ; Natural disasters ; Regional planning ; Urban planning ; Climate change ; Environmental management ; Environmental management ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNF Environmental management ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNR Natural disasters ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RP Regional & area planning
    Language: English
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    Springer Nature | Springer Nature Switzerland
    Publication Date: 2024-03-14
    Description: This open-access book explores the security dynamics amid the polarization, shifting borders, and liquid governance that define the Zeitenwende era in Europe's eastern neighbourhood and Central Asia. Presenting various case studies, the volume unveils the intricate web of border dynamics and practices, including the nuanced interplay of border disputes within the Organization for Security and Cooperation in Europe (OSCE) member states. The contributions shed new light on how contested borders and liquid modes of governance have impacted the engagement of international organizations such as the European Union (EU), North Atlantic Treaty Organization (NATO), and OSCE in security crises and conflict prevention. Delving deeper, a special part dissects the ongoing Russia-Ukraine conflict and examines European and international responses. By analyzing the stances of diverse European countries, their neighborhood, and international organizations, this section uncovers commonalities and disparities in their approaches to the Ukrainian crisis.
    Keywords: Norm diffusion ; Public diplomacy ; Adaptation ; Feminist Foreign Policy ; Russian War ; War in Ukraine ; Human rights ; Transitional justice ; Sustaining peace ; Localization ; Globalization ; Security ; Organization for Security and Cooperation in Europe ; OSCE ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPS International relations ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPQ Central government ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPV Political control & freedoms::JPVH Human rights ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPS International relations::JPSD Diplomacy
    Language: English
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    Springer Nature | Springer International Publishing
    Publication Date: 2024-03-30
    Description: With this open access book, delve into the insights of respected leaders from academia and industry as they unravel the intricacies of sustainability-driven business transformation. This meticulously curated edited volume reflects on The Road To Net Zero, underscoring the need for pioneering pathways. Embark on a collaborative learning journey and explore key issues along the road to transformation, such as crafting corporate sustainability strategies, new forms of corporate disclosure, transforming value chains, and harnessing the power of technological innovation. Packed with guiding questions and distilled findings from research, this book is a must-read for all decision-makers, strategists, engaged citizens, educators, and learners committed to driving change and shaping a more sustainable future.
    Keywords: Sustainable management ; Circular economy ; Business strategy ; Business transformation ; Paris agreement ; Science-based target setting ; Integrated reporting ; Sustainable product development ; Closed loop supply chain management ; Sustainable global value chains ; Sustainable production ; Electromobility ; Sustainability leadership ; Climate change ; Future of mobility ; Carbon neutral ; Innovation ; Sustainability targets ; Climate policy ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJJ Business and the environment; ‘green’ approaches to business ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJC Business strategy ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNU Sustainability ; thema EDItEUR::K Economics, Finance, Business and Management::KN Industry and industrial studies::KND Manufacturing industries ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management
    Language: English
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    Springer Nature | Springer International Publishing
    Publication Date: 2023-01-22
    Description: This open access book focuses on an issue only marginally tackled by this literature: the still existing gap between adaptation science and modelling and the possibility to effectively access and exploit the information produced by policy making at different levels, international, national and local. To do so, the book presents the proceedings of a high-level expert workshop on adaptation modelling, integrated with main results from the “Study on Adaptation Modelling” (SAM-PS) commissioned by the European Commission's Directorate-General for Climate Action (DG CLIMA) and implemented by the CMCC Foundation – Euro-Mediterranean Centre on Climate Change, in collaboration with the Institute for Environmental Studies (IVM), Deltares, and Paul Watkiss Associates (PWA). What is the latest development in adaptation modelling? Which tools and information are available for adaptation assessment? How much are they practically usable by the policy community? How their uptake by practitioners can be improved? What are the major research gaps in adaptation modelling that needs to be covered in the next future? How? This book addresses these questions presenting the results of a study on adaptation modelling commissioned by the European Commission's Directorate-General for Climate Action (DG CLIMA) enriched by the outcomes of a high-level expert workshop on adaptation also part of the research. This book aspires to provide a useful support to academics, policy makers and practitioners in the field of adaptation to orient them in the expanding adaptation modelling assessment literature and suggest practical ways for its application. This book, mainly addressed to academics, policy makers and practitioners in the field of adaptation, aims to providing orientation in the large and expanding methodological/quantitative literature, presenting novelties, guiding in the practical application of adaptation assessments and suggesting lines for future research. This open access book focuses on an issue only marginally tackled by this literature: the still existing gap between adaptation science and modelling and the possibility to effectively access and exploit the information produced by policy making at different levels, international, national and local. To do so, the book presents the proceedings of a high-level expert workshop on adaptation modelling, integrated with main results from the “Study on Adaptation Modelling” (SAM-PS) commissioned by the European Commission's Directorate-General for Climate Action (DG CLIMA) and implemented by the CMCC Foundation – Euro-Mediterranean Centre on Climate Change, in collaboration with the Institute for Environmental Studies (IVM), Deltares, and Paul Watkiss Associates (PWA).
    Keywords: Climate change ; Climate adaptation ; Climate modelling ; Hazard assessment ; Rapid analysis ; Climate-Change Policy ; Climate-Change Adaptation ; Climate-Change Impacts ; Climate Change Management ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBP Meteorology & climatology ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNR Natural disasters ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; bic Book Industry Communication::P Mathematics & science
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    Springer Nature
    Publication Date: 2022-01-31
    Description: This book presents the "New Vision 2050," which adds the concept of the “platinum society” to the “Vision 2050”. The 20th century was a century in which energy led the development of material civilization, resulting in deletion of resources, global warming and climate change. What form should sustainable material and energy take to protect the Earth? The "Vision 2050" was established 20 years ago as a model that we should pursue for the next half century. Fortunately, the world is on course for the Vision 2050. The 21st century will be a century in which we seek qualitative richness, with the Vision 2050 as the material basis. That is, a “platinum society” that has resource self-sufficiency and resource symbiosis, and where people remain active throughout their lives and have a wide range of choices and opportunities for free participation. Since the author presented the concept of "Vision 2050" in 1999, the idea has been introduced in two books entitled Vision 2050: Roadmap for a Sustainable Earth (2008) and Beyond the Limits to Growth: New Ideas for Sustainability from Japan (2014). The latter includes a chapter that sheds light on the concept of a “platinum society”. In this publication, the author presents the "New Vision 2050" in more detail.
    Keywords: GE1-350 ; HD72-88 ; Sustainable cities ; Human-nature symbiosis ; Low carbon society ; Saturation ; Zero emission ; Aging society ; Lifelong learning ; Resource self-sufficiency ; Longevity ; Quality of life ; Urban mines ; Climate change ; Renewable energy ; Sustainability ; Leading country in resolving societal problems
    Language: English
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  • 31
    Publication Date: 2024-04-05
    Description: This open access book presents current knowledge about ecosystem services (ES) in urban planning, and discusses various urban ES topics such as spatial distribution of urban ecosystems, population distribution, and physical infrastructure properties. The book addresses all these issues by: i) investigating to what extent ecosystem services are currently included in urban plans, and discussing what is still needed to improve planning practice; ii) illustrating how to develop ecosystem services indicators and information that can be used by urban planners to enhance plan design; iii) demonstrating the application of ES assessments to support urban planning processes through case studies; and iv) reflecting on criteria for addressing equity in urban planning through ecosystem service assessments, by exploring issues associated with the supply of, the access to and demand for ES by citizens. Through fully worked out case studies, from policy questions, to baseline analysis and indicators, and from option comparison to proposed solutions, the book offers readers detailed and accessible coverage of outstanding issues and proposed solutions to better integrate ES in city planning. The overall purpose of the book is to provide a compact reference that can be used by researchers as a key resource offering an updated perspective and overview on the field, as well as by practitioners and planners/decision makers as a source of inspiration for their activity. Additionally, the book will be a suitable resource for both undergraduate and post-graduate courses in planning and geography.
    Keywords: Environment ; Geoecology ; Environmental geology ; Climate change ; Environmental geography ; Urban ecology (Biology) ; Regional planning ; Urban planning ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RG Geography::RGB Physical geography and topography ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RND Environmental policy and protocols ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RP Regional and area planning
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  • 32
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    Springer Nature
    Publication Date: 2024-04-11
    Description: Earth sciences; Natural disasters; Climate change; Coasts; Environmental management; Environmental law; Environmental policy; Social justice; Human rights
    Keywords: Earth sciences ; Natural disasters ; Climate change ; Coasts ; Environmental management ; Environmental law ; Environmental policy ; Social justice ; Human rights ; thema EDItEUR::J Society and Social Sciences::JP Politics and government ; thema EDItEUR::L Law::LN Laws of specific jurisdictions and specific areas of law::LNK Environment, transport and planning law: general::LNKJ Environment law ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RG Geography::RGB Physical geography and topography::RGBP Coastlines ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNF Environmental management ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNP Pollution and threats to the environment::RNPG Climate change ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNR Natural disasters
    Language: English
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    Springer Nature | Springer Nature Singapore
    Publication Date: 2023-07-10
    Description: This open access book highlights knowledge and expertise in Urban Water Demand Management (WDM) in ASEAN through comprehensive literature review and analysis, as well as stakeholder consultations. It documents urban WDM policies, initiatives, and practices that have demonstrated effective implementation outcomes across various contexts and which are expected to be relevant for cities in ASEAN. A WDM typology developed for this book identifies four key WDM measures, namely: water losses, economic instruments, non-price mechanisms, and alternative water reuse systems in the ASEAN context. Case illustrations of their effective implementation in different ASEAN cities are also included.
    Keywords: Non-revenue Water ; Climate change ; Water Meters ; Water use efficiency ; Greywater Recycling (GWR) ; Wastewater Reclamation ; Water Supply Systems ; Stormwater Harvesting (SWH) ; Public Utilities Board (PUB) Singapore ; Singapore National Water Agency ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNU Sustainability ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences::RBK Hydrology & the hydrosphere ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCP Political economy ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere
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    Springer Nature
    Publication Date: 2021-02-10
    Description: This open access volume is the first comprehensive assessment of the Hindu Kush Himalaya (HKH) region. It comprises important scientific research on the social, economic, and environmental pillars of sustainable mountain development and will serve as a basis for evidence-based decision-making to safeguard the environment and advance people’s well-being. The compiled content is based on the collective knowledge of over 300 leading researchers, experts and policymakers, brought together by the Hindu Kush Himalayan Monitoring and Assessment Programme (HIMAP) under the coordination of the International Centre for Integrated Mountain Development (ICIMOD). This assessment was conducted between 2013 and 2017 as the first of a series of monitoring and assessment reports, under the guidance of the HIMAP Steering Committee: Eklabya Sharma (ICIMOD), Atiq Raman (Bangladesh), Yuba Raj Khatiwada (Nepal), Linxiu Zhang (China), Surendra Pratap Singh (India), Tandong Yao (China) and David Molden (ICIMOD and Chair of the HIMAP SC). This First HKH Assessment Report consists of 16 chapters, which comprehensively assess the current state of knowledge of the HKH region, increase the understanding of various drivers of change and their impacts, address critical data gaps and develop a set of evidence-based and actionable policy solutions and recommendations. These are linked to nine mountain priorities for the mountains and people of the HKH consistent with the Sustainable Development Goals. This book is a must-read for policy makers, academics and students interested in this important region and an essentially important resource for contributors to global assessments such as the IPCC reports. ; Constitutes the first comprehensive assessment of the Hindu Kush Himalaya region, providing an authoritative overview of the region Assembles the collective knowledge of over 300 leading researchers, practitioners, experts, and policymakers Combines the current state of knowledge of the Hindu Kush Himalaya region in one volume Offers Open Access to a set of practically oriented policy recommendations
    Keywords: Geography ; Environmental geography ; Climate change ; Physical geography ; Climate change ; Conservation biology ; Ecology  ; Sustainable development ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RB Earth sciences ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RG Geography::RGB Physical geography & topography ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RND Environmental policy & protocols ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNK Conservation of the environment ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNU Sustainability
    Language: English
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  • 35
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    Unknown
    Springer Nature | Springer Nature Switzerland
    Publication Date: 2024-01-16
    Description: This open-access book explores the security dynamics amid the polarization, shifting borders, and liquid governance that define the Zeitenwende era in Europe's eastern neighbourhood and Central Asia. Presenting various case studies, the volume unveils the intricate web of border dynamics and practices, including the nuanced interplay of border disputes within the Organization for Security and Cooperation in Europe (OSCE) member states. The contributions shed new light on how contested borders and liquid modes of governance have impacted the engagement of international organizations such as the European Union (EU), North Atlantic Treaty Organization (NATO), and OSCE in security crises and conflict prevention. Delving deeper, a special part dissects the ongoing Russia-Ukraine conflict and examines European and international responses. By analyzing the stances of diverse European countries, their neighborhood, and international organizations, this section uncovers commonalities and disparities in their approaches to the Ukrainian crisis.
    Keywords: Norm diffusion ; Public diplomacy ; Adaptation ; Feminist Foreign Policy ; Russian War ; War in Ukraine ; Human rights ; Transitional justice ; Sustaining peace ; Localization ; Globalization ; Security ; Organization for Security and Cooperation in Europe ; OSCE ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPS International relations ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPH Political structure & processes ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPA Political science & theory ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPS International relations::JPSD Diplomacy
    Language: English
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  • 36
    facet.materialart.
    Unknown
    Springer Nature | Springer International Publishing
    Publication Date: 2022-09-22
    Description: This Open Access book provides a critical reflection into how indigenous cultures are attempting to adapt to climate change. Through detailed first-hand accounts, the book describes the unique challenges facing indigenous peoples in the context of climate change adaptation, governance, communication strategies, and institutional pressures. The book shows how current climate change terminologies and communication strategies often perpetuate the marginalisation of indigenous peoples and suggests that new approaches that prioritise Indigenous voices, agency and survival are required. The book first introduces readers to Indigenous peoples and their struggles related to climate change, describing the impacts of climate change on their everyday lives and the adaptation strategies currently undertaken to address them. These strategies are then detailed through case studies which focus on how Indigenous knowledge and practices have been used to respond to and cope with climate change in a variety of environments, including urban settings. The book discusses specific governance challenges facing Indigenous peoples, and presents new methods for engagement that will bridge existing communication gaps to ensure Indigenous peoples are central to the implementation of climate change adaptation measures. This book is intended for an audience of Indigenous peoples, adaptation practitioners, academics, students, policy makers and government workers. ; Documents for the first time how some of the world's oldest living indigenous cultures are attempting to adapt to climate change Summarizes key issues facing indigenous peoples in the context of adaptation to climate change impacts Offers critical reflection on specific governance challenges faced by indigenous peoples
    Keywords: Indigenous peoples ; Climate change ; Adaptation strategies ; Environmental management ; Indigenous knowledge ; Urban indigenous adaptation strategies ; Governance and policy challenges ; Community engagement ; bic Book Industry Communication::L Law::LN Laws of Specific jurisdictions::LNK Environment, transport & planning law::LNKJ Environment law ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RND Environmental policy & protocols ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFS Social groups::JFSL Ethnic studies ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNP Pollution & threats to the environment::RNPG Climate change ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFC Cultural studies ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPV Political control & freedoms::JPVH Human rights
    Language: English
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  • 37
    Publication Date: 2020-10-14
    Description: We present an up-to-date high resolution picture of the ongoing crustal deformation field of Iberian region, based on an extensive combination of permanent and non-permanent GPS observations carried out since 1999. We detected appreciable deformation along the NW and SE margins of the Iberian Peninsula and along the Gibraltar arc, while on the inner parts of the peninsula, the crustal deformation occurs locally at rate 〈 15 nanostrain/year.
    Description: Published
    Description: 369-372
    Description: 1T. Geodinamica e interno della Terra
    Description: restricted
    Keywords: GPS ; Strain-rate ; Plate motion ; Iberia ; 04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
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  • 38
    Publication Date: 2019-12-05
    Description: The analysis of Global Positioning System (GPS) coordinates time series is a valuable tool in quantifying crustal deformations. The longer continuous GPS time series allow estimation of nonlinear signatures. As a matter of fact, besides the linear and periodic behaviors, other relevant signals are present in such time series as the so-called transient deformations. They can be related to, e.g., slow slip events, which play a crucial role in studying fault mechanisms. To give reliable estimates of these signals, an appropriate and rigorous approach for defining the deterministic and the stochastic models of the data is needed. We prove that the theory of the second order stationary random process (SOSRP) can be used to describe the stochastic behavior of the daily GPS time series. In particular, the second order stationarity condition has to be verified for the daily GPS coordinate time series to be described as a SOSRP. This method has been already used for modeling the gravity field of the earth and in predicting/filtering problems, and this work shows that it can also be useful for characterizing the colored noise in the GPS time series.
    Description: Published
    Description: id 86
    Description: 2T. Deformazione crostale attiva
    Description: JCR Journal
    Keywords: GPS ; time series ; Stationary stochastic process ; Auto-covariance function ; Power law spectrum ; 04.03. Geodesy
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 39
    Publication Date: 2017-04-04
    Description: The study and management of the groundwater resources of a large, deep, coastal, karstic aquifer represent a very complex hydrogeological problem. Here, this problem is successfully approached by using an equivalent porous continuous medium (EPCM) to represent a karstic Apulian aquifer (southern Italy). This aquifer, which is located on a peninsula and extends to hundreds of metres depth, is the sole local source of high-quality water resources. These resources are at risk due to overexploitation, climate change and seawater intrusion. The model was based on MODFLOW and SEAWAT codes. Piezometric and salinity variations from 1930 to 2060 were simulated under three past scenarios (up to 1999) and three future scenarios that consider climate change, different types of discharge, and changes in sea level and salinity. The model was validated using surveyed piezometric and salinity data. An evident piezometric drop was confirmed for the past period (until 1999); a similar dramatic drop appears to be likely in the future. The lateral intrusion and upconing effects of seawater intrusion were non-negligible in the past and will be considerable in the future. All phenomena considered here, including sea level and sea salinity, showed non-negligible effects on coastal groundwater.
    Description: Published
    Description: 115-128
    Description: 5A. Energia e georisorse
    Description: JCR Journal
    Description: embargoed_20160501
    Keywords: Karstic coastal aquifer ; Numerical modelling ; Seawater intrusion ; Climate change ; 03. Hydrosphere::03.02. Hydrology::03.02.06. Water resources
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 40
    Publication Date: 2023-06-21
    Description: In Quellwasserproben rund um den Ringseitert-Vulkankomplex südöstlich der Gemeinde Kirchweiler (Westeifel) wurden weit über dem Geringfügigkeitsschwellenwert erhöhte Vanadiumkonzentrationen mit einem Maximalwert von 28 μg/l nachgewiesen. Generell zeigten die im Bereich der Känozoischen Vulkanite entnommenen Wasserproben erheblich höhere Konzentrationen als die im umliegenden Paläozoikum. Lokale Vulkanitproben weisen bis zu vierfach über dem Krustenmittel erhöhte Gesamtgehalte an Vanadium auf. Elutionsuntersuchungen ergaben eine erhöhte Vanadiumfreisetzung. Zur weiteren mikroanalytischen Suche nach der geogenen Quelle für diese Anomalie wurden Dünnschliffe der Gesteinsproben hergestellt und mittels Elektronenmikrosonde analysiert. Die Elementverteilungsbilder zeigten nicht die erwartete Korrelation zwischen den Elementen Fe und V, wohl jedoch eine Korrelation zwischen P und V. Hotspot-Analysen von V‑reichen Mineralkörnern weisen auf das Mineral Fluorapatit mit bis zu 5 Gew.-% Vanadat als Substitution für das Phosphat als geogene Vanadiumquelle in den Vulkaniten hin. Eine hydrogeochemische Modellierung mit PhreePlot zeigt übereinstimmend, dass die Wasserproben mit erhöhten Vanadiumkonzentrationen alle im pe/pH-Prädominanzfeld der Vanadat(V)-Komplexe liegen.
    Description: Johannes Gutenberg-Universität Mainz (1030)
    Keywords: ddc:551.46 ; Volcanic aquifer ; Vanadium mobility ; Vanadate ; V‑bearing Fluorapatite
    Language: German
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  • 41
    Publication Date: 2023-06-21
    Description: North Africa is considered a climate change hot spot. Existing studies either focus on the physical aspects of climate change or discuss the social ones. The present article aims to address this divide by assessing and comparing the climate change vulnerability of Algeria, Egypt, Libya, Morocco, and Tunisia and linking it to its social implications. The vulnerability assessment focuses on climate change exposure, water resources, sensitivity, and adaptive capacity. The results suggest that all countries are exposed to strong temperature increases and a high drought risk under climate change. Algeria is most vulnerable to climate change, mainly due to the country’s high sensitivity. Across North Africa, the combination of climate change and strong population growth is very likely to further aggravate the already scarce water situation. The so-called Arab Spring has shown that social unrest is partly caused by unmet basic needs of the population for food and water. Thus, climate change may become an indirect driver of social instability in North Africa. To mitigate the impact of climate change, it is important to reduce economic and livelihood dependence on rain-fed agriculture, strengthen sustainable land use practices, and increase the adaptive capacity. Further, increased regional cooperation and sub-national vulnerability assessments are needed.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Description: National Geographic Society http://dx.doi.org/10.13039/100006363
    Keywords: ddc:304.28 ; Climate change ; Vulnerability ; Resilience ; Water ; Conflict ; North Africa
    Language: English
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  • 42
    Publication Date: 2023-06-21
    Description: The global tide is simulated with the global ocean general circulation model ICON-O using a newly developed tidal module, which computes the full tidal potential. The simulated coastal M2 amplitudes, derived by a discrete Fourier transformation of the output sea level time series, are compared with the according values derived from satellite altimetry (TPXO-8 atlas). The experiments are repeated with four uniform and sixteen irregular triangular grids. The results show that the quality of the coastal tide simulation depends primarily on the coastal resolution and that the ocean interior can be resolved up to twenty times lower without causing considerable reductions in quality. The mesh transition zones between areas of different resolutions are formed by cell bisection and subsequent local spring optimisation tolerating a triangular cell’s maximum angle up to 84°. Numerical problems with these high-grade non-equiangular cells were not encountered. The results emphasise the numerical feasibility and potential efficiency of highly irregular computational meshes used by ICON-O.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:551.46 ; Ocean modelling ; Tides ; Unstructured grids ; Mesh refinement ; ICON-O
    Language: English
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  • 43
    Publication Date: 2023-06-21
    Description: Tidally dominated coasts are directly affected not only by projected rise in mean sea level, but also by changes in tidal dynamics due to sea level rise and bathymetric changes. By use of a hydrodynamic model, which covers the entire German Bight (South-Eastern North Sea), we analyse the effects of sea level rise and potential bathymetric changes in the Wadden Sea on tidal current velocities. The model results indicate that tidal current velocities in the tidal inlets and channels of the Wadden Sea are increased in response to sea level rise. This is explained by the increased ratio of tidal prism to tidal inlet cross-sectional area, which is due to the characteristic hypsometry of tidal basins in the Wadden Sea including wide and shallow tidal flats and relatively narrow tidal channels. The results further indicate that sea level rise decreases ebb dominance and increases flood dominance in tidal channels. This is, amongst others, related to a decreased intertidal area again demonstrating the strong interaction between tidal wave and tidal basin hypsometry in the Wadden Sea. The bathymetry scenario defined in this study includes elevated tidal flats and deepened tidal channels, which is considered a potential future situation under accelerated sea level rise. Application of these bathymetric changes to the model mostly compensates the effects of sea level rise. Furthermore, changes in current velocity due to the altered bathymetry are in the same order of magnitude as changes due to mean sea level rise. This highlights the significance of considering potential bathymetric changes in the Wadden Sea for regional projections of the tidal response to sea level rise.
    Description: Bundesanstalt für Wasserbau (4234)
    Keywords: ddc:551.46 ; Sea level rise ; Tidal basin ; Tidal asymmetry ; Hypsometric control ; Hydrodynamic model ; Wadden Sea
    Language: English
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  • 44
    Publication Date: 2023-06-21
    Description: The numerical stability of ocean circulation models is of high significance in operational forecasting. A substantial improvement in numerical stability of the 3D-ocean model HBM could be achieved by the implementation of new realizability criteria in the turbulence closure scheme. Realizability criteria which were already well documented for closure functions without double diffusion were therefore extended to those using double diffusion. A purely technical validation method called ε-test which is suitable for the detection of numerical stability problems is presented, and the effect of the development in turbulence model is demonstrated under severe weather conditions during extreme storm events. Evaluation of statistics of longer simulations indicate that instabilities appeared only locally and temporary; nevertheless, a significant impact on drift products relying on the current forecasts could be demonstrated, which underlines the importance of realizability in turbulence closure schemes in comprehensive operational model systems including ocean circulation and downstream drift components.
    Description: Bundesamt für Seeschifffahrt und Hydrographie (BSH) (4225)
    Keywords: ddc:551.46 ; turbulence closure ; numerical stability / realizability ; operational forecasting systems
    Language: English
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  • 45
    Publication Date: 2023-06-21
    Description: Energy transfer mechanisms between the atmosphere and the deep ocean have been studied for many years. Their importance to the ocean’s energy balance and possible implications on mixing are widely accepted. The slab model by Pollard (Deep-Sea Res Oceanogr Abstr 17(4):795–812, 1970) is a well-established simulation of near-inertial motion and energy inferred through wind-ocean interaction. Such a model is set up with hourly wind forcing from the NCEP-CFSR reanalysis that allows computations up to high latitudes without loss of resonance. Augmenting the one-dimensional model with the horizontal divergence of the near-inertial current field leads to direct estimates of energy transfer spectra of internal wave radiation from the mixed layer base into the ocean interior. Calculations using this hybrid model are carried out for the North Atlantic during the years 1989 and 1996, which are associated with positive and negative North Atlantic Oscillation index, respectively. Results indicate a range of meridional regimes with distinct energy transfer ratios. These are interpreted in terms of the mixed layer depth, the buoyancy frequency at the mixed layer base, and the wind field structure. The average ratio of radiated energy fluxes from the mixed layer to near-inertial wind power for both years is approximately 12%. The dependence on the wind structure is supported by simulations of idealized wind stress fronts with variable width and translation speeds.
    Description: Deutsche Forschungsgemeinschaft https://doi.org/10.13039/501100001659
    Description: Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada https://doi.org/10.13039/501100002790
    Keywords: ddc:551.46 ; Near inertial waves ; Wind ocean coupling ; Internal gravity waves
    Language: English
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  • 46
    Publication Date: 2023-06-21
    Description: The interactions between barotropic tides and mesoscale processes were studied using the results of a numerical model in which tidal forcing was turned on and off. The research area covered part of the East Atlantic Ocean, a steep continental slope, and the European Northwest Shelf. Tides affected the baroclinic fields at much smaller spatial scales than the barotropic tidal scales. Changes in the horizontal patterns of the M2 and M4 tidal constituents provided information about the two-way interactions between barotropic tides and mesoscale processes. The interaction between the atmosphere and ocean measured by the work done by wind was also affected by the barotropic tidal forcing. Tidal forcing intensified the transient processes and resulted in a substantial transformation of the wave number spectra in the transition areas from the deep ocean to the shelf. Tides flattened the sea-surface height spectra down to ~ k−2.5 power law, thus reflecting the large contribution of the processes in the high-frequency range compared to quasi-geostrophic motion. The spectra along sections parallel or normal to the continental slope differ from each other, which indicates that mesoscale turbulence was not isotropic. An analysis of the vorticity spectra showed that the flattening was mostly due to internal tides. Compared with the deep ocean, no substantial scale selectivity was observed on the shelf area. Particle tracking showed that the lengths of the Lagrangian trajectories increased by approximately 40% if the barotropic tidal forcing was activated, which contributed to changed mixing properties. The ratio between the horizontal and vertical scales of motion varied regionally depending on whether barotropic tidal forcing was included. The overall conclusion is that the barotropic tides affect substantially the diapycnal mixing.
    Description: Ministry of Science and Culture of Lower Saxony
    Description: BMBF
    Keywords: ddc:551.46 ; Tides ; Mesoscale processes ; Nonlinear interactions ; Diapycnal mixing ; Spectral energy ; European Northwest Shelf
    Language: English
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  • 47
    Publication Date: 2023-06-21
    Description: Currently, many commercial airline aircraft cannot perform three-dimensionally guided approaches based on satellite-based augmentation systems. We propose a system to rebroadcast the correction and integrity data via a data link as provided by the ground-based augmentation system such that aircraft equipped with a GPS landing system (GLS) can use the wide-area corrections and perform localizer performance with vertical guidance (LPV) approaches while maintaining the same level of integrity. In consequence, the system loses some availability and the time to alert is slightly increased. We build a prototype system and present data collected for one week, confirming technical feasibility. There is a loss of 5.3 percent of availability during a 1-week data collection cycle in which we compared our system to standalone LPV service. We tested our prototype with two commercially available GLS receivers with positive results and successfully demonstrated the functionality with a conventional Airbus 319 equipped with a standard GLS receiver.
    Keywords: ddc:526 ; SBAS ; Satellite ; Navigation ; Augmentation ; Aviation ; GPS ; GNSS
    Language: English
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  • 48
    Publication Date: 2023-06-21
    Description: The European CORDEX (EURO-CORDEX) initiative is a large voluntary effort that seeks to advance regional climate and Earth system science in Europe. As part of the World Climate Research Programme (WCRP) - Coordinated Regional Downscaling Experiment (CORDEX), it shares the broader goals of providing a model evaluation and climate projection framework and improving communication with both the General Circulation Model (GCM) and climate data user communities. EURO-CORDEX oversees the design and coordination of ongoing ensembles of regional climate projections of unprecedented size and resolution (0.11° EUR-11 and 0.44° EUR-44 domains). Additionally, the inclusion of empirical-statistical downscaling allows investigation of much larger multi-model ensembles. These complementary approaches provide a foundation for scientific studies within the climate research community and others. The value of the EURO-CORDEX ensemble is shown via numerous peer-reviewed studies and its use in the development of climate services. Evaluations of the EUR-44 and EUR-11 ensembles also show the benefits of higher resolution. However, significant challenges remain. To further advance scientific understanding, two flagship pilot studies (FPS) were initiated. The first investigates local-regional phenomena at convection-permitting scales over central Europe and the Mediterranean in collaboration with the Med-CORDEX community. The second investigates the impacts of land cover changes on European climate across spatial and temporal scales. Over the coming years, the EURO-CORDEX community looks forward to closer collaboration with other communities, new advances, supporting international initiatives such as the IPCC reports, and continuing to provide the basis for research on regional climate impacts and adaptation in Europe.
    Keywords: ddc:551.6 ; EURO-CORDEX ; CORDEX ; Climate change ; Regional climate models ; Regional climate modelling
    Language: English
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  • 49
    Publication Date: 2023-06-19
    Description: The contribution of sea-state-induced processes to sea-level variability is investigated through ocean-wave coupled simulations. These experiments are performed with a high-resolution configuration of the Geestacht COAstal model SysTem (GCOAST), implemented in the Northeast Atlantic, the North Sea and the Baltic Sea which are considered as connected basins. The GCOAST system accounts for wave-ocean interactions and the ocean circulation relies on the NEMO (Nucleus for European Modelling of the Ocean) ocean model, while ocean-wave simulations are performed using the spectral wave model WAM. The objective is to demonstrate the contribution of wave-induced processes to sea level at different temporal and spatial scales of variability. When comparing the ocean-wave coupled experiment with in situ data, a significant reduction of the errors (up to 40% in the North Sea) is observed, compared with the reference. Spectral analysis shows that the reduction of the errors is mainly due to an improved representation of sea-level variability at temporal scales up to 12 h. Investigating the representation of sea-level extremes in the experiments, significant contributions (〉 20%) due to wave-induced processes are observed both over continental shelf areas and in the Atlantic, associated with different patterns of variability. Sensitivity experiments to the impact of the different wave-induced processes show a major impact of wave-modified surface stress over the shelf areas in the North Sea and in the Baltic Sea. In the Atlantic, the signature of wave-induced processes is driven by the interaction of wave-modified momentum flux and turbulent mixing, and it shows its impact to the occurrence of mesoscale features of the ocean circulation. Wave-induced energy fluxes also have a role (10%) in the modulation of surge at the shelf break.
    Keywords: ddc:551.46 ; Sea state ; Ocean-wave interactions ; Sea level ; Surge
    Language: English
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  • 50
    Publication Date: 2023-06-22
    Description: The Sentinel-6 (or Jason-CS) altimetry mission provides a long-term extension of the Topex and Jason-1/2/3 missions for ocean surface topography monitoring. Analysis of altimeter data relies on highly-accurate knowledge of the orbital position and requires radial RMS orbit errors of less than 1.5 cm. For precise orbit determination (POD), the Sentinel-6A spacecraft is equipped with a dual-constellation GNSS receiver. We present the results of Sentinel-6A POD solutions for the first 6 months since launch and demonstrate a 1-cm consistency of ambiguity-fixed GPS-only and Galileo-only solutions with the dual-constellation product. A similar performance (1.3 cm 3D RMS) is achieved in the comparison of kinematic and reduced-dynamic orbits. While Galileo measurements exhibit 30–50% smaller RMS errors than those of GPS, the POD benefits most from the availability of an increased number of satellites in the combined dual-frequency solution. Considering obvious uncertainties in the pre-mission calibration of the GNSS receiver antenna, an independent inflight calibration of the phase centers for GPS and Galileo signal frequencies is required. As such, Galileo observations cannot provide independent scale information and the estimated orbital height is ultimately driven by the employed forces models and knowledge of the center-of-mass location within the spacecraft. Using satellite laser ranging (SLR) from selected high-performance stations, a better than 1 cm RMS consistency of SLR normal points with the GNSS-based orbits is obtained, which further improves to 6 mm RMS when adjusting site-specific corrections to station positions and ranging biases. For the radial orbit component, a bias of less than 1 mm is found from the SLR analysis relative to the mean height of 13 high-performance SLR stations. Overall, the reduced-dynamic orbit determination based on GPS and Galileo tracking is considered to readily meet the altimetry-related Sentinel-6 mission needs for RMS height errors of less than 1.5 cm.
    Description: Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR) (4202)
    Keywords: ddc:526 ; Sentinel-6 ; Jason-CS ; Single-receiver ambiguity fixing ; Precise orbit determination ; GPS ; Galileo ; SLR ; Altimetry
    Language: English
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  • 51
    Publication Date: 2023-06-23
    Description: Die Ergebnisse regionaler Klimaprojektionen für Deutschland weisen auf eine Zunahme der mittleren Lufttemperatur und eine innerjährliche Verschiebung der Niederschläge – mit feuchteren Wintern und trockeneren Sommern – hin. Darüber hinaus werden sich regional die Häufigkeit, Intensität und Dauer von Hitzewellen, Trockenperioden und Starkregenereignissen weiter erhöhen. Durch diese Veränderungen wird sich auch der Jahresgang der Grundwasserneubildung ändern. Als Folge dessen können sich Änderungen bei den hohen, mittleren und tiefen Grundwasserständen, Grundwasserschwankungsbreiten und dem Grundwasserdargebot ergeben. Aber nicht nur die Ressource Grundwasser wird durch die Folgen des Klimawandels betroffen. Auch die gesamte Infrastruktur – von der Förderung bis zur Verteilungsleitung zum Kunden – kann beeinträchtigt werden. Neben den direkten Einflüssen sind auch indirekte Beeinflussungen durch Kaskadeneffekte – beispielsweise ausgehend vom Energiesektor – möglich. Darum gilt es integrative, ganzheitliche und systemische Lösungen zu erarbeiten, um die Funktionalität der kritischen Infrastruktur dauerhaft auch unter Berücksichtigung der Folgen des Klimawandels gewährleisten zu können.
    Description: Helmholtz-Zentrum Geesthacht - Zentrum für Material- und Küstenforschung GmbH (HZG) (4216)
    Description: Climate change impacts on groundwater use—impacts and action needs
    Keywords: ddc:304.28 ; Klimawandel ; Wasserversorgung ; Kritische Infrastruktur ; Anpassung ; Climate change ; Impacts ; Water supply ; Critical infrastructure ; Adaptation
    Language: German
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  • 52
    Publication Date: 2023-06-16
    Description: The realization of Coordinated Universal Time, one of the tasks of the International Bureau of Weights and Measures, relies on a network of international time links which currently is organized in a star-like scheme that links all contributing laboratories. GPS signal reception is the technique most widely employed by the laboratories. The PTB currently plays a unique role in the process due to its function as the central pivot in the time transfer between the participating laboratories. We discuss how the PTB meets its obligations to the international timekeeping community as well as to its users in Germany. In its role as an National Metrology Institute (NMI), PTB is entrusted with the realization and dissemination of legal time in Germany. The services were offered to the public support measurements and timing applications traceable to the national and international standards to be made in calibration laboratories and in many industrial sectors. We thus discuss the meaning and definition of traceability, how different GNSS systems can be used to establish traceability and their performance in doing so.
    Keywords: ddc:526 ; GNSS ; GPS ; Galileo ; Time and frequency metrology ; Traceability
    Language: English
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  • 53
    Publication Date: 2023-06-17
    Description: Paleo-shorelines on continental shelves give insights into the complex development of coastlines during sealevel cycles. This study investigates the geologic development of the Limpopo Shelf during the last sealevel cycle using multichannel seismic and acoustic datasets acquired on the shelf in front of the Limpopo River mouth. A detailed investigation of seismic facies, shelf bathymetry, and a correlation to sea level revealed the presence of numerous submerged shorelines on the shelf. These shorelines are characterized by distinct topographic ridges and are interpreted as coastal dune ridges that formed in periods of intermittent sealevel still-/slowstand during transgression. The shorelines are preserved due to periods of rapid sealevel rise (melt water pulses) that led to the overstepping of the dune ridges as well as due to early cementation of accumulated sediments that increased the erosive resistance of the ridges. The high along-shelf variability of the submerged dune ridges is interpreted as a result of pre-existing topography affecting shoreline positions during transgression. The pre-existing topography is controlled by the underlying sedimentary deposits that are linked to varying fluvial sediment input at different points on the shelf. The numerous prominent submerged dune ridges form barriers for the modern fluvial sediment from the Limpopo River and dam sediment on the inner shelf. They may also facilitate along-shelf current-induced sediment transport.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:551 ; Limpopo Shelf ; Geology
    Language: English
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  • 54
    Publication Date: 2023-06-17
    Description: After the onset of plate collision in the Alps, at 32–34 Ma, the deep structure of the orogen is inferred to have changed dramatically: European plate break-offs in various places of the Alpine arc, as well as a possible reversal of subduction polarity in the eastern Alps have been proposed. We review different high-resolution tomographic studies of the upper mantle and combine shear- and body-wave models to assess the most reliable geometries of the slabs. Several hypotheses for the tectonic evolution are presented and tested against the tomographic model interpretations and constraints from geologic and geodetic observations. We favor the interpretation of a recent European slab break-off under the western Alps. In the eastern Alps, we review three published scenarios for the subduction structure and propose a fourth one to reconcile the results from tomography and geology. We suggest that the fast slab anomalies are mainly due to European subduction; Adriatic subduction plays no or only a minor role along the Tauern window sections, possibly increasing towards the Dinarides. The apparent northward dip of the slab under the eastern Alps may be caused by imaging a combination of Adriatic slab, from the Dinaric subduction system, and a deeper lying European one, as well as by an overturned, retreating European slab.
    Description: GRNE graduate school
    Description: Deutsche Forschungsgemeinschaft (DE)
    Description: H2020 Marie Skłodowska-Curie Actions ()
    Description: http://www.orfeus-eu.org/eida
    Keywords: ddc:551 ; Seismic tomography ; Subduction slabs ; Alpine subduction system ; Slab break-off ; Slab polarity reversal
    Language: English
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  • 55
    Publication Date: 2023-06-17
    Description: The Namibian Mesozoic successions may be remnant of a high dynamic sedimentary system that is characterized by multiple stages of sediment accumulation and erosion with contemporaneous homogenization starting with the deposition of the Permo-Carboniferous Dwyka Group strata and continues at least until the Lower Cretaceous. The Lower Cretaceous sedimentary system is interpreted to have involved at least an area covering the whole SW Gondwana, documenting the sedimentary history during the evolution from an ice house environment to an arid desert. To test the sediment homogenization hypothesis, we applied a combination of isotopic and morphometric data on detrital zircon grains, as well as whole-rock geochemical data of selected Mesozoic sandstones from Namibia. As a base for the interpretation of the detrital zircon age data we compiled a zircon age dataset with c. 44,000 analyses for the southern African region. All samples reveal a major detrital pan-African zircon age peak of c. 0.5–0.7 Ga sourced from the pan-African magmatic events occurring around the Kalahari Craton margin. The lowermost Triassic is characterized by the occurrence of additional Mesoproterozoic and Paleoproterozoic age peaks of c. 1.0–1.2 Ga and 1.8–2.0 Ga with a majority of zircon grains showing angular shapes. The protosource of these grains is interpreted to possibly be the Namaqua Metamorphic Complex and other Paleoproterozoic structural units deformed in course of the Namaqua orogeny. In contrast, other samples show a prominent Permo-Triassic age peak and completely rounded zircon grains, putatively derived from within the Gondwanides volcanic arc. The disparity in the zircon age pattern may point towards a change in provenance and also a change in the whole system of zircon recycling during the Mesozoic southern Gondwana. The Lower Triassic Neu Loore fm. are constrained to more local bedrock sources and short zircon transport distance. In contrast, zircon grains of the Middle Triassic Omingonde, the Jurassic Etjo und the Cretaceous Twyfelfontein formations are an expression for a major recycling and sediment homogenization system. The system was facilitated by an interplay between fluvial and eolian sedimentary transport systems.
    Keywords: ddc:551 ; Zircon U–pb ; Mesozoic ; Gondwana ; Karoo ; Namibia
    Language: English
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  • 56
    Publication Date: 2023-08-17
    Description: Für die öffentliche Trinkwasserversorgung in Süddeutschland wird größtenteils Grund- und Quellwasser genutzt. Der Kenntnis über die Entwicklung des Bodenwasserhaushalts und insbesondere der Grundwasserneubildung kommt somit eine große Bedeutung zu. Im Rahmen der Kooperation KLIWA (Klimaveränderung und Konsequenzen für die Wasserwirtschaft, www.kliwa.de) wurde die Entwicklung des Bodenwasserhaushaltes und der Grundwasserneubildung aus Niederschlag für den Zeitraum von 1951 bis 2019 für die Länder Baden-Württemberg, Bayern, Hessen und Rheinland-Pfalz mit dem Bodenwasserhaushaltmodell GWN-BW modelliert. Seit Ende der 1980er-Jahre zeigt sich ein Anstieg der mittleren jährlichen Temperatur in Süddeutschland. Die jährlichen Niederschlagssummen haben sich in der jüngeren Vergangenheit (seit 2003) reduziert und somit eine deutliche Verringerung der Grundwasserneubildung aus Niederschlag bewirkt. Gleichzeitig ist eine Zunahme des Trockenheitsindex (Anzahl an Tagen mit Füllung des Bodenwasserspeichers 〈 30 % der nutzbaren Feldkapazität) zu erkennen. Häufiger werdende und länger anhaltende Trockenperioden stellen auch die Wasserwirtschaft zunehmend vor Herausforderungen und bedürfen der frühzeitigen Entwicklung von Handlungsoptionen, z. B. auf der Basis des hier vorgestellten „Trockenwetterdargebots“, um Nutzungskonflikte zu entschärfen.
    Description: LUBW Landesanstalt für Umwelt Baden-Württemberg (5309)
    Keywords: ddc:551.49 ; Wasserversorgung ; Bodenwasserhaushalt ; Grundwasserneubildung ; Klimawandel ; Handlungsoption ; Anpassung ; Water supply ; Soil water balance ; Groundwater recharge ; Climate change ; Action recommendation ; Adaption
    Language: German
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  • 57
    Publication Date: 2023-08-17
    Description: Samples and documentation of outcrops and drillings, facies analysis, whole rock geochemistry and radiometric ages have been employed to re-evaluate the Late Carboniferous Tharandt Forest caldera (TFC) and the co-genetic Niederbobritzsch granite (NBG) in the eastern Erzgebirge near Dresden, Germany. The c. 52 km2 TFC harbours strongly welded ignimbrites with a preserved minimum thickness of 550 m. Composition of initial fallout tephra at the base of the TFC fill, comprising lithics of rhyolitic and basic lava, and of silica-rich pyroclastic rocks, suggests a bimodal volcanic activity in the area prior to the climactic TFC eruption. The lower part of the TFC fill comprises quartz-poor ignimbrites, overlain by quartz-rich ignimbrites, apparently without a depositional break. Landslides originating from the collapse collar of the caldera plunged into the still hot TFC fill producing monolithic gneiss mesobreccia with clasts ≤ 1 m in a pyroclastic matrix. Aphanitic and porphyritic rhyolitic magma formed ring- and radial dykes, and subvolcanic bodies in the centre of TFC. Whole rock geochemical data indicate a high silica (most samples have 〉 73 wt% SiO2) rhyolitic composition of the TFC magma, and a similar granodiorite–granitic composition for the NBG. Based on drillings and caldera extent, a minimum volume of 22 km3 of TFC fill is preserved, the original fill is assumed at about 33 km3. This estimate translates into a denudation of at least c. 210 m during Late Paleozoic to pre-Cenomanian. Telescopic subsidence of the TFC took place in two, perhaps three stages. A possible TFC outflow facies has been completely eroded and distal TFC tuff has not been recognized in neighboring basins. New CA-ID-TIMS measurements on two TFC samples gave mean zircon ages of 313.4 ± 0.4 Ma and 311.9 ± 0.4 Ma; two samples from NBG resulted in 318.2 ± 0.5 Ma and 319.5 ± 0.4 Ma. In addition, for one sample of the ring dyke an age of ca. 314.5 ± 0.5 Ma has been obtained. These ages, together with field relations, allow for a model of a long-standing evolution of an upper crustal magmatic system (~ 5 Ma?), where pulses of magmatic injection and crustal doming alternate with magmatic quietness and erosion. Together with the Altenberg–Teplice Volcanic Complex, located some 10 km to the southeast, the TFC–NBG Complex represents an early post-Variscan magmatic activity in central Europe.
    Description: Technische Universität Bergakademie Freiberg (3135)
    Keywords: ddc:551 ; Single phase caldera evolution ; Caldera wall landslides ; Freiberg gneiss dome ; CA-ID-TIMS zircon dating
    Language: English
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  • 58
    Publication Date: 2023-08-17
    Description: This paper presents radon flux profiles from four regions in Schleswig–Holstein (Northern Germany). Three of these regions are located over deep-rooted tectonic faults or salt diapirs and one is in an area without any tectonic or halokinetic activity, but with steep topography. Contrary to recently published studies on spatial patterns of soil radon gas concentration we measured flux of radon from soil into the atmosphere. All radon devices of each profile were deployed simultaneously to avoid inconsistencies due to strong diurnal variations of radon exhalation. To compare data from different seasons, values had to be normalized. Observed radon flux patterns are apparently related to the mineralogical composition of the Quaternary strata (particularly to the abundance of reddish granite and porphyry), and its grain size (with a flux maximum in well-sorted sand/silt). Minimum radon flux occurs above non-permeable, clay-rich soil layers. Small amounts of water content in the pore space increase radon flux, whereas excessive water content lessens it. Peak flux values, however, are observed over a deep-rooted fault system on the eastern side of Lake Plön, i.e., at the boundary of the Eastholstein Platform and the Eastholstein Trough. Furthermore, high radon flux values are observed in two regions associated with salt diapirism and near-surface halokinetic faults. These regions show frequent local radon flux maxima, which indicate that the uppermost strata above salt diapirs are very inhomogeneous. Deep-rooted increased permeability (effective radon flux depth) or just the boundaries between permeable and impermeable strata appear to concentrate radon flux. In summary, our radon flux profiles are in accordance with the published evidence of low radon concentrations in the “normal” soils of Schleswig–Holstein. However, very high values of radon flux are likely to occur at distinct locations near salt diapirism at depth, boundaries between permeable and impermeable strata, and finally at the tectonically active flanks of the North German Basin.
    Description: Bundesministerium für Wirtschaft und Energie http://dx.doi.org/10.13039/501100006360
    Description: Johannes Gutenberg-Universität Mainz (1030)
    Keywords: ddc:551 ; Radon flux ; Local radon flux maxima ; Permeability ; Quaternary sediments ; Salt tectonics ; Schleswig–Holstein
    Language: English
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  • 59
    Publication Date: 2023-08-18
    Description: Salinity observations in the Vietnamese upwelling area in June 2016 indicated a significant increase in the salinity of the maximum salinity water (MSW). The source of MSW inflow into the South China Sea (SCS) is a mixture of the Western North Pacific Central Water and the North Pacific Equatorial Water. Although the East Asian winter monsoon is correlated with both the El Niño Southern Oscillation (ENSO) and the Pacific Decadal Oscillation (PDO), the mean salinity of MSW is only spuriously lag correlated to the PDO, but highly correlated to all tropical climate modes (except El Niño Modoki) with a time lag up to 7 months. Composite analyses indicate that the modulation of ENSO by a PDO in a positive phase results in optimal inflow conditions. A comparison of two post-El Niño years with different PDO polarity (negative in 2003 and positive in 2016) shows that the dominant driver is the variability in outgoing long-wave radiation (OLR) and in zonal wind in the tropics. In 2003, enhanced convective activity over the West Pacific warm pool resulted in a cyclonic circulation. In 2016, convective activity was weak and an anticyclonic circulation was intensified, which transported the saltier North Pacific Equatorial Water into the SCS. This observed increase in the salinity of MSW requires a modification of the previous definitions of characteristic water masses, which is presented here. The question of whether or not the increase in MSW salinity is a transient phenomenon cannot be answered. It might be possible that the increase in salinity is related to global warming.
    Description: Deutsche Forschungsgemeinschaft DFG
    Description: Leibniz-Institut für Ostseeforschung Warnemünde (IOW) (3484)
    Keywords: ddc:551.46 ; ENSO ; PDO ; East Asian monsoon ; Water mass analysis ; South China Sea ; Western Tropical Pacific
    Language: English
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  • 60
    Publication Date: 2023-07-20
    Description: Late Cenozoic was a period of large-scale extension in the Aegean. The extension is mainly recorded in the metamorphic core complexes with little data from the sedimentary sequences. The exception is the Thrace Basin in the northern Aegean, which has a continuous record of Middle Eocene to Oligocene marine sedimentation. In the Thrace Basin, the Late Oligocene–Early Miocene was characterized by north-northwest (N25°W) shortening leading to the termination of sedimentation and formation of large-scale folds. We studied the stratigraphy and structure of one of these folds, the Korudağ anticline. The Korudağ anticline has formed in the uppermost Eocene–Lower Oligocene siliciclastic turbidites with Early Oligocene (31.6 Ma zircon U–Pb age) acidic tuff beds. The turbidites are underlain by a thin sequence of Upper Eocene pelagic limestone. The Korudağ anticline is an east-northeast (N65°E) trending fault-propagation fold, 9 km wide and 22 km long and with a subhorizontal fold axis. It is asymmetric with shallowly-dipping northern and steeply-dipping southern limbs. Its geometry indicates about 1 km of shortening in a N25°W direction. The folded strata are unconformably overlain by Middle Miocene continental sandstones, which constrain the age of folding. The Korudağ anticline and other large folds in the Thrace Basin predate the inception of the North Anatolian Fault (NAF) by at least 12 myr. The Late Oligocene–Early Miocene (28–17 Ma) shortening in the Thrace Basin and elsewhere in the Balkans forms an interlude between two extensional periods, and is probably linked to changes in the subduction dynamics along the Hellenic trench.
    Description: TÜBİTAK
    Description: İTÜ-BAP
    Description: TÜBA
    Description: Freie Universität Berlin (1008)
    Keywords: ddc:551 ; Thrace Basin ; Shortening ; Oligocene ; Miocene ; Aegean
    Language: English
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  • 61
    Publication Date: 2023-07-20
    Description: New whole-rock geochemical and coupled U–Pb and Lu–Hf LA-ICP-MS zircon data of metasedimentary rocks of the Austroalpine, South Alpine and Penninic basement domains are presented, to disentangle the pre-Variscan tectonic evolution of the proto-Alps. The studied units seem to record distinct stages of protracted Late Ediacaran to Carboniferous tectonosedimentary processes prior to the Variscan collision. In the case of Austroalpine and South Alpine units, nevertheless, no major differences in terms of provenance are observed, since most detrital zircon samples are characterized by a major Pan-African peak. Their detrital zircon spectra record a provenance from the northeastern Saharan Metacraton and the Sinai basement at the northern Arabian-Nubian Shield, being thus located along the eastern Early Paleozoic northern Gondwana margin, whereas sources located further west are inferred for the Penninic Unit, which might have been placed close to the Moldanubian Unit of the Bohemian Massif. In any case, it is thus clear that the Alpine basement remained in a close position to the Gondwana mainland at least during the Early Paleozoic. The Late Ediacaran to Silurian tectonic evolution, which includes Cadomian and Cenerian tectonometamorphic and magmatic processes, seem thus to record a continuum related to a retreating-mode accretionary orogen, with diachronous back-arc basin opening and possibly discrete compressional/transpressional pulses linked to changes in subduction zone dynamics. On the other hand, it is inferred that the Alpine basement essentially comprises Pan-African metasedimentary and subordinate metaigneous rocks, possibly with very few Early Neoproterozoic relics. This basement was significantly reworked during the protracted Paleozoic orogenic evolution, due to anatexis and/or assimilation by mantle-derived juvenile magmatism.
    Description: Georg-August-Universität Göttingen (1018)
    Keywords: ddc:551 ; Alpine basement ; Cadomian orogeny ; Cenerian orogeny ; Retreating-mode accretionary orogen ; Sedimentary provenance ; Detrital zircons
    Language: English
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  • 62
    Publication Date: 2023-07-20
    Description: GNSS satellite and receiving antennas exhibit group delay variations (GDV), which affect code pseudorange measurements. Like antenna phase center variations, which affect phase measurements, they are frequency-dependent and vary with the direction of the transmitted and received signal. GNSS code observations contain the combined contributions of satellite and receiver antennas. If absolute GDV are available for the receiver antennas, absolute satellite GDV can be determined. In 2019, an extensive set of absolute receiver antenna GDV was published and, thus, it became feasible to estimate absolute satellite antenna GDV based on terrestrial observations. We used the absolute GDV of four selected receiver antenna types and observation data of globally distributed reference stations that employ these antenna types to determine absolute GDV for the GPS, GLONASS, Galileo, BeiDou, and QZSS satellite antennas. Besides BeiDou-2 satellites whose GDV are known to reach up to 1.5 m peak-to-peak, the GPS satellites show the largest GDV at frequencies L1 and L5 with up to 0.3 and 0.4 m peak-to-peak, respectively. They also show the largest satellite-to-satellite variations within a constellation. The GDV of GLONASS-M satellites reach up to 25 cm at frequency G1; Galileo satellites exhibit the largest GDV at frequency E6 with up to 20 cm; BeiDou-3 satellites show the largest GDV of around 15 cm at frequencies B1-2 and B3. Frequencies L2 of GPS IIIA, E1 of Galileo FOC, and B2a/B2b of BeiDou-3 satellites are the least affected. Their variations are below 10 cm.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Description: Technische Universität Dresden (1019)
    Keywords: ddc:526 ; Absolute group delay variations ; Code-minus-carrier combination ; GPS ; GLONASS ; Galileo ; BeiDou ; QZSS
    Language: English
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  • 63
    Publication Date: 2023-08-08
    Description: Within the Ararat Valley (Armenia), a continuously growing water demand (for irrigation and fish farming) and a simultaneous decline in groundwater recharge (due to climate change) result in increasing stress on the local groundwater resources. This detrimental development is reflected by groundwater-level drops and an associated reduction of the area with artesian conditions in the valley centre. This situation calls for increasing efforts aimed at more sustainable water resources management. The aim of this baseline study was the collection of data that allows for study on the origin and age distribution of the Ararat Valley groundwater based on environmental tracers, namely stable (δ〈sup〉2〈/sup〉H, δ〈sup〉18〈/sup〉O) and radioactive (〈sup〉35〈/sup〉S, 〈sup〉3〈/sup〉H) isotopes, as well as physical-chemical indicators. The results show that the Ararat Valley receives modern recharge, despite its (semi-)arid climate. While subannual groundwater residence times could be disproved (〈sup〉35〈/sup〉S), the detected 〈sup〉3〈/sup〉H pattern suggests groundwater ages of several decades, with the oldest waters being recharged around 60 years ago. The differing groundwater ages are reflected by varying scatter of stable isotope and hydrochemical signatures. The presence of young groundwater (i.e., younger that the 1970s), some containing nitrate, indicates groundwater vulnerability and underscores the importance of increased efforts to achieve sustainable management of this natural resource. Since stable isotope signatures indicate the recharge areas to be located in the mountains surrounding the valley, these efforts must not be limited to the central part of the valley where most of the abstraction wells are located.
    Description: Technische Universität Darmstadt (3139)
    Keywords: ddc:551 ; Groundwater residence time ; Tritium ; Radiosulphur ; Stable isotopes ; Armenia
    Language: English
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  • 64
    Publication Date: 2023-08-08
    Description: Die Bundesanstalt für Geowissenschaften und Rohstoffe (BGR) führte in den Jahren 2000–2014 umfangreiche (etwa 5900 km2) aerogeophysikalische Erkundungen an der niedersächsischen Nordseeküste durch. Die Aeroelektromagnetik liefert Informationen über die elektrisch leitfähigen Strukturen im Erduntergrund und ermöglicht die Unterscheidung von Süß- und Salzwasser wie auch von Tonen und Sanden. Im Landesamt für Bergbau, Energie und Geologie (LBEG) sowie am Leibniz Institut für Angewandte Geophysik (LIAG) wurden diese Daten zur Kartierung der Tiefenlage der Süß‑/Salzwassergrenze genutzt. Dadurch ist unter anderem eine detaillierte Karte der Grundwasserversalzung innerhalb der küstennahen Aquifere entlang der niedersächsischen Nordseeküste im Maßstab 1:50.000 entstanden. Diese zeigt den aktuellen Stand der Grundwasserversalzung, abgeleitet aus den gewonnenen Elektromagnetik-Modellen. Die Modelle waren auch Grundlage für eine hydraulische Modellierung der Süßwasserlinse der Nordseeinsel Borkum. Darauf aufbauende Simulationen zeigen die Entwicklung der Grundwassersituation für den Zeitraum bis 2100.
    Description: Landesamt für Bergbau, Energie und Geologie (LBEG) (4273)
    Keywords: ddc:551.49 ; Grundwasserversalzung ; Modellierung ; Aeroelektromagnetik ; Klimawandel ; Süßwasserlinse ; Fresh-saline groundwater Interface ; Climate change ; Airborne electromagnetics ; Freshwater lenses
    Language: German
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  • 65
    Publication Date: 2023-07-27
    Description: Table Bay, South Africa, is a typical headland-bay system with a shoreline that can be described by a logarithmic spiral. A peculiarity and unique feature of Table Bay is the juxtaposition of Robben Island opposite its headland. As a consequence, the bathymetry defines an ellipsoidal basin which was postulated to potentially resonate in the form of long-period standing waves (seiches). One aim of this study, therefore, was to investigate whether any evidence for such resonant oscillations could be detected in the geomorphology and sediment distribution patterns. Indeed, the ellipsoidal shape of the basin can be framed by two converging log-spirals with their centres located opposite each other, one off Robben Island and the other on the Cape Town side of the bay. The so-called apex line, which divides the two spirals into equal parts is aligned SW–NE, i.e. more or less parallel to the direction of ocean wave propagation. The distribution patterns of all sedimentary parameters were found to be characterised by a strikingly similar trend to either side of the apex line. This supports the hypothesis that the basin of Table Bay appears to resonate in the form of a mode 1 standing wave, with the node positioned above the apex line in the centre of the bay. The maximum period of such a standing wave was calculated to be around 37 min. The study demonstrates that large-scale sediment distribution patterns can reveal the existence of specific hydrodynamic processes in coastal embayments. It is recommended that this phenomenon be investigated in greater detail aimed at verifying the existence of resonant oscillations in Table Bay and, in the event, at establishing its precise nature and trigger mechanism.
    Description: Council for Geoscience and CSIR South Africa
    Description: Senckenberg Gesellschaft für Naturforschung (SGN) (3507)
    Keywords: ddc:551.46 ; Oceanography ; South Africa ; Table Bay ; ellipsoidal shape ; sediment distribution ; seiches
    Language: English
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  • 66
    Publication Date: 2023-07-27
    Description: Sea-level rise represents a severe hazard for populations living within low-elevation coastal zones and is already largely affecting coastal communities worldwide. As sea level continues to rise following unabated greenhouse gas emissions, the exposure of coastal communities to inundation and erosion will increase exponentially. These impacts will be further magnified under extreme storm conditions. In this paper, we focus on one of the most valuable coastal real estate markets globally (Palm Beach, FL). We use XBeach, an open-source hydro and morphodynamic model, to assess the impact of a major tropical cyclone (Hurricane Matthew, 2016) under three different sea-level scenarios. The first scenario (modern sea level) serves as a baseline against which other model runs are evaluated. The other two runs use different 2100 sea-level projections, localized to the study site: (i) IPCC RCP 8.5 (0.83 m by 2100) and (ii) same as (i), but including enhanced Antarctic ice loss (1.62 m by 2100). Our results show that the effective doubling of future sea level under heightened Antarctic ice loss amplifies flow velocity and wave height, leading to a 46% increase in eroded beach volume and the overtopping of coastal protection structures. This further exacerbates the vulnerability of coastal properties on the island, leading to significant increases in parcel inundation.
    Description: Universität Bremen (1013)
    Description: https://github.com/pboyden/Palm_Beach_XBeach
    Keywords: ddc:551.46 ; Oceanography ; tropical cyclones ; coastal areas ; sea level scenarios ; hydrodynamic modeling ; morphodynamic modeling
    Language: English
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  • 67
    Publication Date: 2023-07-27
    Description: Extensive morphological and age studies on more than 4600 detrital zircon grains recovered from modern sands of Namibia reveal complex mechanisms of sediment transport. These data are further supplemented by a zircon age database containing more than 100,000 single grain analyses from the entire southern Africa and allow for hypothesising of a large Southern Namibian Sediment Vortex located between the Damara Orogen and the Orange River in southern Namibia. The results of this study also allow assuming a modified model of the Orange River sand highway, whose origin is likely located further south than previously expected. Moreover, studied samples from other parts of Namibia give first insights into sediment movements towards the interior of the continent and highlight the potential impact of very little spatial variations of erosion rates. Finally, this study points out the huge potential of detrital zircon morphology and large geo-databases as an easy-to-use additional tool for provenance analysis.
    Description: deutsche forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Description: Senckenberg Naturhistorische Sammlungen Dresden (3507)
    Keywords: ddc:551 ; Namibia ; Zircon ; Mineral morphology ; Sediment transport ; Geochronology ; Database
    Language: English
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  • 68
    Publication Date: 2023-07-27
    Description: The Brenner normal fault bounds the Tauern Window to the west and accommodated a significant portion of the orogen-parallel extension in the Eastern Alps. Here, we use zircon (U–Th)/He, apatite fission track, and apatite (U–Th)/He dating, thermokinematic modeling, and a topographic analysis to constrain the exhumation history of the western Tauern Window in the footwall of the Brenner fault. ZHe ages from an E–W profile (parallel to the slip direction of the fault) decrease westwards from ~ 11 to ~ 8 Ma and suggest a fault-slip rate of 3.9 ± 0.9 km/Myr, whereas AFT and AHe ages show no spatial trends. ZHe and AFT ages from an elevation profile indicate apparent exhumation rates of 1.1 ± 0.7 and 1.0 ± 1.3 km/Myr, respectively, whereas the AHe ages are again spatially invariant. Most of the thermochronological ages are well predicted by a thermokinematic model with a normal fault that slips at a rate of 4.2 km/Myr between ~ 19 and ~ 9 Ma and produces 35 ± 10 km of extension. The modeling reveals that the spatially invariant AHe ages are caused by heat advection due to faulting and posttectonic thermal relaxation. The enigmatic increase of K–Ar phengite and biotite ages towards the Brenner fault is caused by heat conduction from the hot footwall to the cooler hanging wall. Topographic profiles across an N–S valley in the fault footwall indicate 1000 ± 300 m of erosion after faulting ceased, which agrees with the results of our thermokinematic model. Valley incision explains why the Brenner fault is located on the western valley shoulder and not at the valley bottom. We conclude that the ability of thermokinematic models to quantify heat transfer by rock advection and conduction is crucial for interpreting cooling ages from extensional fault systems.
    Description: Westfälische Wilhelms-Universität Münster (1056)
    Description: https://github.com/jeanbraun
    Keywords: ddc:551 ; European Alps ; Tauern Window ; Thermochronology ; Thermokinematic modeling
    Language: English
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  • 69
    Publication Date: 2023-07-21
    Description: Late Paleozoic (Variscan) magmatism is widespread in Central Europe. The Lusatian Block is located in the NE Bohemian Massif and it is part of the Saxothuringian Zone of the Variscan orogen. It is bordered by two major NW-trending shear zones, the Intra-Sudetic Fault Zone towards NE and the Elbe Fault Zone towards SW. The scarce Variscan igneous rocks of the Lusatian Block are situated close to these faults. We investigated 19 samples from Variscan plutonic and volcanic rocks of the Lusatian Block, considering all petrological varieties (biotite-bearing granites from the Koenigshain and Stolpen plutons, amphibole-bearing granites from three boreholes, several volcanic dykes, and two volcanites from the intramontane Weissig basin). We applied whole-rock geochemistry (18 samples) and zircon evaporation dating (19 samples). From the evaporation data, we selected six representative samples for additional zircon SHRIMP and CA–ID–TIMS dating. For the Koenigshain pluton, possible protoliths were identified using whole-rock Nd-isotopes, and zircon Hf- and O-isotopes. The new age data allow a subdivision of Variscan igneous rocks in the Lusatian Block into two distinct magmatic episodes. The spatial relation of the two age groups to either the Elbe Fault Zone (298–299 Ma) or the Intra-Sudetic Fault Zone (312–313 Ma) together with reports on the fault-bound character of the dated intrusions suggests an interpretation as two major post-collisional faulting episodes. This assumption of two distinct magmatic periods is confirmed by a compilation of recently published zircon U–Pb CA–ID–TIMS data on further Variscan igneous rocks from the Saxothuringian Zone. New geochemical data allow us to exclude a dominant sedimentary protolith for the Koenigshain pluton as supposed by previous investigations. This conclusion is mainly based on new O- and Hf-isotope data on zircon and the scarcity of inherited zircons. Instead, acid or intermediate igneous rocks are supposed as the main source for these I-type granitoids from the Koenigshain pluton.
    Description: Technische Universität Bergakademie Freiberg (3135)
    Keywords: ddc:551 ; Geochronology ; Zircon ; Variscan granites ; Lusatian block
    Language: English
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  • 70
    Publication Date: 2023-07-29
    Description: Stabilizing agricultural production is fundamental to food security. At the national level, increasing the effective diversity of cultivated crops has been found to increase temporal production stability, i.e., the year-to-year stability of total caloric production of all crops combined. Here, we specifically investigated these effects at the regional level for the European Union and tested the effect of crop diversity in relation to agricultural inputs, soil properties, climate instability, and time on caloric, protein, and fat stability, as we hypothesized that the effect of diversity is context dependent. We further investigated these relationships for specific countries. We found that greater crop diversity was consistently associated with an increase in production stability, particularly in regions with large areas equipped for irrigation and low soil type diversity. For instance, in Spain and Italy, crop diversity showed the strongest positive effect among all predictors, while on the European level, the stabilizing effect of nitrogen use was substantially higher. In Germany, the crop diversity-stability relationship was weak, suggesting that crops react similarly to climatic, economic, and political factors or are grown in the same periods. With this study, we substantiate previous findings that crop diversity stabilizes agricultural caloric production and extend these with regard to protein and fat. The results elucidate the key drivers that enhance production stability for different European countries and regions, which is of key importance for a comparably productive agricultural region like Europe.
    Description: Helmholtz-Gemeinschaft http://dx.doi.org/10.13039/501100001656
    Description: Helmholtz-Zentrum für Umweltforschung GmbH - UFZ (4215)
    Keywords: ddc: ; Agroecology ; Climate change ; Resilience ; Sustainability
    Language: English
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  • 71
    Publication Date: 2023-08-01
    Description: Cereal crop production in sub-Saharan Africa has not achieved the much-needed increase in yields to foster economic development and food security. Maize yields in the region’s semi-arid agroecosystems are constrained by highly variable rainfall, which may be worsened by climate change. Thus, the Tanzanian government has prioritized agriculture as an adaptation sector in its intended nationally determined contribution, and crop management adjustments as a key investment area in its Agricultural Sector Development Programme. In this study, we investigated how future changes in maize yields under different climate scenarios can be countered by regional adjusted crop management and cultivar adaptation strategies. A crop model was used to simulate maize yields in the Singida region of Tanzania for the baseline period 1980–2012 and under three future climate projections for 2020–2060 and 2061–2099. Adaptation strategies to improve yields were full irrigation, deficit irrigation, mulch and nitrogen addition and another cultivar. According to our model results, increase in temperature is the main driver of future maize yield decline. Increased respiration and phenological development were associated with lower maize yields of 16% in 2020–2060 and 20% in 2061–2099 compared to the 1980–2012 baseline. Surprisingly, none of the management strategies significantly improved yields; however, a different maize variety that was tested as an alternative coping strategy performed better. This study suggests that investment in accessibility of improved varieties and investigation of maize traits that have the potential to perform well in a warmer future are better suited for sustaining maize production in the semi-arid region than adjustments in crop management.
    Description: Leibniz Centre for Agricultural Landscape Research (ZALF)
    Description: Universität Hohenheim (3153)
    Keywords: ddc:631 ; Maize ; Climate change ; Adaptation ; Model ; Tanzania ; NDC
    Language: English
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  • 72
    Publication Date: 2023-08-01
    Description: Sao Tome and Principe is a small insular country in the west coast of Central Africa. The small dimensions of the islands and the limited natural resources put these islands under highly vulnerable to climate change. To assess the possible future impacts and risks on their agricultural activities, the high-resolution 4-km downscaled climate change projections using Eta regional climate model are used. A crop risk index (CRI) is proposed to assess the risk of climate change on cocoa (Theobroma cacao L.), pepper (Piper nigrum L. and Piper guinesse L.), taro (Colocasia esculenta (L.) Schott), and maize (Zea mays L.). The index takes into account the vulnerability to climate conditions and the crop yield in the future, and it is classified into very-high, high, moderate, low, and very-low. The climate change projections indicate increase in the risk of taro crop, partly due to thermal stress and partly due to the susceptibility to the leaf blight crop disease in taro. The risk of production of the pepper crop is very-high, mainly due to water stress. In mountain regions, the greater risk is due to the thermal stress caused by low temperatures. The cocoa crop is at risk due to water stress, mainly in the northwestern part of the Sao Tome Island, where major local production occurs. The projection indicates increase of the area with very-high risk to maize crops due to the increase of thermal stress and susceptibility to rust. In addition, in parts of the coastal regions, the risk changed from very-low to high risk, due to the low productivity potential. In general, the risks of the four major crops of Sao Tome and Principe increase in the future climate conditions.
    Description: UNEP, FUNDEP, Sao Tome and Principe National Institute of Meteorology
    Description: CNPq
    Keywords: ddc:631 ; Crop risk index ; Climate change ; Small Islands Developing States ; Eta model ; Agriculture risk assessment
    Language: English
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  • 73
    Publication Date: 2023-08-01
    Description: Changing climate conditions are supposed to have particularly strong impacts on agricultural production in the tropics with strong implications on food security. Ethiopia’s economy is profoundly dominated by agriculture, contributing to around 40% of the gross domestic product. Thereby, Ethiopia is one of the most vulnerable countries to the impact of climate change and has a wide gap in regional climate change impact studies. In this study, we systematically investigate climate change impacts on yields for the Gambella region in Ethiopia, exemplarily for maize. Here, we show how yields change until 2100 for RCPs 2.6, 4.5, and 8.5 from a climate model ensemble under rainfed and irrigated conditions. While rainfed yields decrease by 15% and 14% respectively for RCPs 2.6 and 4.5, yields decrease by up to 32% under RCP 8.5. Except for RCP 8.5, yields are not further decreasing after 2040–2069. We found that temperature increase, changing soil water availability, and atmospheric CO2 concentration have different effects on the simulated yield potential. Our results demonstrate the dominance of heat response under future climate conditions in the tropical Gambella region, contributing to 85% of total yield changes. Accordingly, irrigation will lose effectiveness for increasing yield when temperature becomes the limiting factor. CO2, on the other hand, contributes positively to yield changes by 8.9% for RCP 8.5. For all scenarios, the growing period is shorted due to increasing temperature by up to 29 days for RCP 8.5. Our results suggest that new varieties with higher growing degree days are primarily required to the region for adapting to future climate conditions.
    Description: Ludwig-Maximilians-Universität München (1024)
    Keywords: ddc:631 ; Climate change ; Agriculture ; Regional study ; Crop model
    Language: English
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  • 74
    Publication Date: 2023-08-09
    Description: Salinization of the upper aquifer of the northern Elbe-Weser region almost extends to the surface. Chloride content exceeds 250 mg/l and the groundwater is therefore, according to the German Drinking Water Ordinance, not suitable as drinking water. The chloride content in the aquifer originates from early flooding with seawater which occurred during the Holocene sea level rise. Depth and extent of the salinization were mapped by airborne electromagnetic surveys and validated by groundwater analyses. In the transition zone between the marshlands and geest areas, the fresh-saline groundwater interface falls to a depth of 〉 −175 m NHN. Due to the extensive drainage of the marshlands, seepage of fresh groundwater is impeded. Instead, an upconing of the fresh-saline groundwater interface appears due to an upwardly directed hydraulic gradient. Due to climate change, chloride concentrations will increase along the coastlines. Further inland, a decrease of chloride content in near-surface groundwater will occur.
    Description: Interreg http://dx.doi.org/10.13039/100013276
    Description: Landesamt für Bergbau, Energie und Geologie (LBEG) (4273)
    Keywords: ddc:551.49 ; Fresh-saline groundwater interface ; HEM ; Drainage ; Cl/Br ratio ; Climate change ; Süß‑/Salzwassergrenze ; HEM ; Cl/Br-Verhältnis ; Klimawandel
    Language: English
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  • 75
    Publication Date: 2024-02-14
    Description: The precise orbit determination (POD) of Global Navigation Satellite System (GNSS) satellites and low Earth orbiters (LEOs) are usually performed independently. It is a potential way to improve the GNSS orbits by integrating LEOs onboard observations into the processing, especially for the developing GNSS, e.g., Galileo with a sparse sensor station network and Beidou with a regional distributed operating network. In recent years, few studies combined the processing of ground- and space-based GNSS observations. The integrated POD of GPS satellites and seven LEOs, including GRACE-A/B, OSTM/Jason-2, Jason-3 and, Swarm-A/B/C, is discussed in this study. GPS code and phase observations obtained by onboard GPS receivers of LEOs and ground-based receivers of the International GNSS Service (IGS) tracking network are used together in one least-squares adjustment. The POD solutions of the integrated processing with different subsets of LEOs and ground stations are analyzed in detail. The derived GPS satellite orbits are validated by comparing with the official IGS products and internal comparison based on the differences of overlapping orbits and satellite positions at the day-boundary epoch. The differences between the GPS satellite orbits derived based on a 26-station network and the official IGS products decrease from 37.5 to 23.9 mm (34% improvement) in 1D-mean RMS when adding seven LEOs. Both the number of the space-based observations and the LEO orbit geometry affect the GPS satellite orbits derived in the integrated processing. In this study, the latter one is proved to be more critical. By including three LEOs in three different orbital planes, the GPS satellite orbits improve more than from adding seven well-selected additional stations to the network. Experiments with a ten-station and regional network show an improvement of the GPS satellite orbits from about 25 cm to less than five centimeters in 1D-mean RMS after integrating the seven LEOs.
    Description: Chinese Government Scholarship http://dx.doi.org/10.13039/501100010890
    Keywords: ddc:526 ; POD ; Integrated processing ; Sparse ground network ; GPS ; LEOs ; GRACE ; Jason ; Swarm
    Language: English
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  • 76
    Publication Date: 2023-12-16
    Description: For more than 20 years, precise point positioning (PPP) has been a well-established technique for carrier phase-based navigation. Traditionally, it relies on precise orbit and clock products to achieve accuracies in the order of centimeters. With the modernization of legacy GNSS constellations and the introduction of new systems such as Galileo, a continued reduction in the signal-in-space range error (SISRE) can be observed. Supported by this fact, we analyze the feasibility and performance of PPP with broadcast ephemerides and observations of Galileo and GPS. Two different functional models for compensation of SISREs are assessed: process noise in the ambiguity states and the explicit estimation of a SISRE state for each channel. Tests performed with permanent reference stations show that the position can be estimated in kinematic conditions with an average three-dimensional (3D) root mean square (RMS) error of 29 cm for Galileo and 63 cm for GPS. Dual-constellation solutions can further improve the accuracy to 25 cm. Compared to standard algorithms without SISRE compensation, the proposed PPP approaches offer a 40% performance improvement for Galileo and 70% for GPS when working with broadcast ephemerides. An additional test with observations taken on a boat ride yielded 3D RMS accuracy of 39 cm for Galileo, 41 cm for GPS, and 27 cm for dual-constellation processing compared to a real-time kinematic reference solution. Compared to the use of process noise in the phase ambiguity estimation, the explicit estimation of SISRE states yields a slightly improved robustness and accuracy at the expense of increased algorithmic complexity. Overall, the test results demonstrate that the application of broadcast ephemerides in a PPP model is feasible with modern GNSS constellations and able to reach accuracies in the order of few decimeters when using proper SISRE compensation techniques.
    Description: Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR) (4202)
    Keywords: ddc:526 ; Precise point positioning ; GPS ; Galileo ; Broadcast ephemerides ; Signal-in-space range error
    Language: English
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  • 77
    Publication Date: 2024-01-19
    Description: The total electron content (TEC) data derived from the GAIA (Ground-to-topside model of Atmosphere Ionosphere for Aeronomy) is used to study the seasonal and longitudinal variation of occurrence of medium-scale traveling ionospheric disturbances (MSTIDs) during daytime (09:00–15:00 LT) for the year 2011 at eight locations in northern and southern hemispheres, and the results are compared with ground-based Global Positioning System (GPS)-TEC. To derive TEC variations caused by MSTIDs from the GAIA (GPS) data, we obtained detrended TEC by subtracting 2-h (1-h) running average from the TEC, and calculated standard deviation of the detrended TEC in 2 h (1 h). MSTID activity was defined as a ratio of the standard deviation to the averaged TEC. Both GAIA simulation and GPS observations data show that daytime MSTID activities in the northern and southern hemisphere (NH and SH) are higher in winter than in other seasons. From the GAIA simulation, the amplitude of the meridional wind variations, which could be representative of gravity waves (GWs), shows two peaks in winter and summer. The winter peak in the amplitude of the meridional wind variations coincides with the winter peak of the daytime MSTIDs, indicating that the high GW activity is responsible for the high MSTID activity. On the other hand, the MSTID activity does not increase in summer. This is because the GWs in the thermosphere propagate poleward in summer, and equatorward in winter, and the equatorward-propagating GWs cause large plasma density perturbations compared to the poleward-propagating GWs. Longitudinal variation of daytime MSTID activity in winter is seen in both hemispheres. The MSTID activity during winter in the NH is higher over Japan than USA, and the MSTID activity during winter in the SH is the highest in South America. In a nutshell, GAIA can successfully reproduce the seasonal and longitudinal variation of the daytime MSTIDs. This study confirms that GWs cause the daytime MSTIDs in GAIA and amplitude and propagation direction of the GWs control the noted seasonal variation. GW activities in the middle and lower atmosphere cause the longitudinal variation.
    Description: Japan Society for the Promotion of Science, KAKENHI (15H05815, 16H06286), Project for Solar-Terrestrial Environment Prediction (PSTEP) and Study of dynamical variation of particles and waves in the inner magnetosphere using ground-based network observation
    Description: Projekt DEAL
    Keywords: ddc:551.5 ; Daytime MSTIDs ; GAIA model ; GPS ; Gravity waves ; Meridional wind ; TEC
    Language: English
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  • 78
    Publication Date: 2024-05-30
    Description: Past vegetation, fire, and climate dynamics, as well as human impact, have been reconstructed for the first time in the highlands of the Gilan province in the Alborz mountains (above the Hyrcanian forest) for the last 4,300 cal yrs bp. Multi-proxy analysis, including pollen, spores, non-pollen palynomorphs, charcoal, and geochemical analysis, has been applied to investigate the environmental changes at 2,280 m a.s.l., above the Hyrcanian forest. Dominant steppe vegetation occurred in the study area throughout the recorded period. The formation of the studied mire deposits, as well as vegetation composition, suggest a change to wetter climatic conditions after 4,300 until 1,700 cal yrs bp. Fires were frequent, which may imply long-lasting anthropogenic activities in the area. Less vegetation cover with a marked decrease of the Moisture Index (MI) suggests drier conditions between 1,700 and 1,000 cal yrs bp. A high proportion of Cichorioideae and Amaranthaceae, as well as the reduction of trees, in particular Fagus and Quercus, at lower elevations, indicate human activities such as intense livestock grazing and deforestation. Soil erosion as the result of less vegetation due to dry conditions and/or human activities can be reconstructed from a marked increase of Glomus spores and high values of K and Ti. Since 1,000 cal yrs bp, the increasing MI, as well as the rise of Poaceae and Cyperaceae together with forest recovery, suggest a change to wetter conditions. The occurrence of still frequent Cichorioideae and Plantago lanceolata along with Sordaria reflect continued intense grazing of livestock by humans.
    Description: Deutsche Forschungsgemeinschaft (DE)
    Description: Georg-August-Universität Göttingen (1018)
    Keywords: ddc:561 ; Late Holocene ; Northern Iran ; Multi-proxy studies ; Hyrcanian mountain vegetation ; Climate change ; Human impact
    Language: English
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