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  • 1
    Publication Date: 2020-02-12
    Description: A major uncertainty in determining the mass balance of the Antarctic ice sheet from measurements of satellite gravimetry, and to a lesser extent satellite altimetry, is the poorly known correction for the ongoing deformation of the solid Earth caused by glacial isostatic adjustment (GIA). In the past decade, much progress has been made in consistently modelling the ice sheet and solid Earth interactions; however, forward-modelling solutions of GIA in Antarctica remain uncertain due to the sparsity of constraints on the ice sheet evolution, as well as the Earth's rheological properties. An alternative approach towards estimating GIA is the joint inversion of multiple satellite data - namely, satellite gravimetry, satellite altimetry and GPS, which reflect, with different sensitivities, trends of recent glacial changes and GIA. Crucial to the success of this approach is the accuracy of the space-geodetic data sets. Here, we present reprocessed rates of surface-ice elevation change (Envisat/ICESat; 2003-2009), gravity field change (GRACE; 2003-2009) and bedrock uplift (GPS; 1995-2013). The data analysis is complemented by the forward-modelling of viscoelastic response functions to disc load forcing, allowing us to relate GIA-induced surface displacements with gravity changes for different rheological parameters of the solid Earth. The data and modelling results presented here form the basis for the joint inversion estimate of present-day ice-mass change and GIA in Antarctica. This paper presents the first of two contributions summarizing the work carried out within a European Space Agency funded study, REGINA.
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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  • 2
    Call number: AWI G5-17-90632
    In: Developments in paleoenvironmental research, 20
    Description / Table of Contents: The aim of this edited volume is to introduce the scientific community to paleoenvironmental studies of estuaries, to highlight the types of information that can be obtained from such studies, and to promote the use of paleoenvironmental studies in estuarine management. Readers will learn about the the application of different paleoecological approaches used in estuaries that develop our understanding of their response to natural and human influences. Particular attention is given to the essential steps required for undertaking a paleoecological study, in particular with regard to site selection, core extraction and chronological techniques, followed by the range of indicators that can be used. A series of case studies are discussed in the book to demonstrate how paleoecological studies can be used to address key questions, and to sustainably manage these important coastal environments in the future. This book will appeal to professional scientists interested in estuarine studies and/or paleoenvironmental research, as well as estuarine managers who are interested in the incorporation of paleoenvironmental research into their management programs.
    Type of Medium: Monograph available for loan
    Pages: ix, 700 Seiten , Illustrationen
    ISBN: 978-94-024-0988-8
    Series Statement: Developments in paleoenvironmental research 20
    Language: English
    Note: Contents: 1 Introduction to the Application of Paleoecological Techniques in Estuaries / Kathryn H. Taffs, Krystyna M. Saunders, Kaarina Weckström, Peter A. Gell, and C. Gregory Skilbeck. - PART I ESTARIES AND THEIR MANAGEMENT. - 2 Estuary Form and Function: Implications for Palaeoecological Studies / Peter Scanes, Angus Ferguson, and Jaimie Potts. - 3 Geology and Sedimentary History of Modern Estuaries / C. Gregory Skilbeck, Andrew D. Heap, and Colin D. Woodroffe. - 4 Paleoecological Evidence for Variability and Change in Estuaries: Insights for Management / Krystyna M. Saunders and Peter A. Gell. - PART II CORING AND DATING OF ESTUARINE SEDIMENTS. - 5 Sediment Sampling in Estuaries: Site Selection and Sampling Techniques / C. Gregory Skilbeck, Stacey Trevathan-Tackett, Pemika Apichanangkool, and Peter I. Macreadie. - 6 Some Practical Considerations Regarding the Application of 210Pb and 137Cs Dating to Estuarine Sediments / Thorbjoern Joest Andersen. - 7 Radiocarbon Dating in Estuarine Environments / Jesper Olsen, Philippa Ascough, Bryan C. Lougheed, and Peter Rasmussen. - PART III TECHNIQUES FOR PALAEOENVIRONMENTAL RECONSTRUCTIONS IN ESTUARINES. - 8 Lipid Biomarkers as Organic Geochemical Proxies for the Paleoenvironmental Reconstruction of Estuarine Environments / John K. Volkman and Rienk H. Smittenberg. - 9 C/N ratios and Carbon Isotope Composition of Organic Matter in Estuarine Environments / Melanie J. Leng and Jonathan P. Lewis. - 10 Physical and Chemical Factors to Consider when Studying Historical Contamination and Pollution in Estuaries / Amanda Reichelt-Brushett, Malcolm Clark, and Gavin Birch. - 11 Diatoms as Indicators of Environmental Change in Estuaries / Kathryn H. Taffs, Krystyna M. Saunders, and Brendan Logan. - 12 Dinoflagellate Cysts as Proxies for Holocene Environmental Change in Estuaries: Diversity, Abundance and Morphology / Marianne Ellegaard, Barrie Dale, Kenneth N. Mertens, Vera Pospelova, and Sofia Ribeiro. - 13 Applications of Foraminifera, Testate Amoebae and Tintinnids in Estuarine Palaeoecology / Anupam Ghosh and Helena L. Filipsson. - 14 Ostracods as Recorders of Palaeoenvironmental Change in Estuaries / Jessica M. Reeves. - 15 Application of Molluscan Analyses to the Reconstruction of Past Environmental Conditions in Estuaries / G. Lynn Wingard and Donna Surge. - 16 Corals in Estuarine Environments: Their Response to Environmental Changes and Application in Reconstructing Past Environmental Variability / Francisca Staines-Urías. - 17 Inferring Environmental Change in Estuaries from Plant Macrofossils / John Tibby and Carl D. Sayer. - 18 Applications of Pollen Analysis in Estuarine Systems / Joanna C. Ellison. - PART IV CASE STUDIES. - 19 Palaeo-Environmental Approaches to Reconstructing Sea Level Changes in Estuaries / Brigid V. Morrison and Joanna C. Ellison. - 20 Paleoecology Studies in Chesapeake Bay: A Model System for Understanding Interactions between Climate, Anthropogenic Activities and the Environment / Elizabeth A. Canuel, Grace S. Brush, Thomas M. Cronin, Rowan Lockwood, and Andrew R. Zimmerman. - 21 Paleosalinity Changes in the Río de la Plata Estuary and on the Adjacent Uruguayan Continental Shelf over the Past 1200 Years: An Approach Using Diatoms as a Proxy / Laura Perez, Felipe García-Rodríguez, and Till J.J. Hanebuth. - 22 Application of Paleoecology to Ecosystem Restoration: A Case Study from South Florida’s Estuaries / G. Lynn Wingard. - 23 Paleolimnological History of the Coorong: Identifying the Natural Ecological Character of a Ramsar Wetland in Crisis / Peter A. Gell. - 24 Palaeoenvironmental History of the Baltic Sea: One of the Largest Brackish-water Ecosystems in the World / Kaarina Weckström, Jonathan P. Lewis, Elinor Andrén, Marianne Ellegaard, Peter Rasmussen, and Richard Telford. - Glossary. - Index
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 3
    Call number: 5/M 18.91372
    In: Space sciences series of ISSI
    Description / Table of Contents: This volume provides a comprehensive view on the different sources of the geomagnetic field both in the Earth’s interior and from the field’s interaction with the terrestrial atmosphere and the solar wind. It combines expertise from various relevant areas of geomagnetic and near Earth space research with the aim to better characterise the state and dynamics of Earth’s magnetic field. Advances in the exploitation of geomagnetic observations hold a huge potential not only for an improved quantitative description of the field source but also for a better understanding of the underlying processes and physics. Key is the separation of the field sources in the observations, especially, but not solely, during times of quiet geomagnetic conditions, when the most subtle geomagnetic effects can be identified and become significant. The collected articles are based on the current constellation of ground and space observations, and on state-of-the-art empirical models and physics-based simulations. Thus, it provides an in-depth overview over recent achievements, current limitations and challenges, and future opportunities in the field of geomagnetism and space sciences.
    Type of Medium: Monograph available for loan
    Pages: VII, 626 Seiten , 52 schwarz-weiß Abbildungen, 228 Abbildungen in Farbe
    ISBN: 9789402412246 (hardcover : alk. paper)
    Series Statement: Space sciences series of ISSI 60
    Classification:
    Geomagnetism, Geoelectromagnetism
    Language: English
    Location: Reading room
    Branch Library: GFZ Library
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  • 4
    Call number: 9789400706682 (e-book)
    Description / Table of Contents: This is the first comprehensive science-based textbook on the biology and ecology of the Baltic Sea, one of the world’s largest brackish water bodies. The aim of this book is to provide students and other readers with knowledge about the conditions for life in brackish water, the functioning of the Baltic Sea ecosystem and its environmental problems and management. It highlights biological variation along the unique environmental gradients of the brackish Baltic Sea Area (the Baltic Sea, Belt Sea and Kattegat), especially those in salinity and climate. The first part of the book presents the challenges for life processes and ecosystem dynamics that result from the Baltic Sea’s highly variable recent geological history and geographical isolation. The second part explains interactions between organisms and their environment, including biogeochemical cycles, patterns of biodiversity, genetic diversity and evolution, biological invasions and physiological adaptations. In the third part, the subsystems of the Baltic Sea ecosystem - the pelagic zone, the sea ice, the deep soft sea beds, the phytobenthic zone, the sandy coasts, and estuaries and coastal lagoons - are treated in detail with respect to the structure and function of communities and habitats and consequences of natural and anthropogenic constraints, such as climate change, discharges of nutrients and hazardous substances. Finally, the fourth part of the book discusses monitoring and ecosystem-based management to deal with contemporary and emerging threats to the ecosystem’s health.
    Type of Medium: 12
    Pages: 1 Online-Ressource (xxxi, 683 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 9789400706682 , 978-94-007-0668-2
    Language: English
    Note: Contents Part I The Baltic Sea environment 1 Brackish water as an environment / Hendrik Schubert, Dirk Schories, Bernd Schneider, and Uwe Selig 2 Why is the Baltic Sea so special to live in? / Pauline Snoeijs-Leijonmalm and Elinor Andrén Part II Ecological processes in the Baltic Sea 3 Biogeochemical cycles / Bernd Schneider, Olaf Dellwig, Karol Kuliński, Anders Omstedt, Falk Pollehne, Gregor Rehder, and Oleg Savchuk 4 Patterns of biodiversity / Pauline Snoeijs-Leijonmalm 5 Biological invasions / Sergej Olenin, Stephan Gollasch, Maiju Lehtiniemi, Mariusz Sapota, and Anastasija Zaiko 6 Genetic diversity and evolution / Risto Väinölä and Kerstin Johannesson 7 Physiological adaptations / Hendrik Schubert, Irena Telesh, Mikko Nikinmaa, and Sergei Skarlato Part III Subsystems of the Baltic Sea ecosystem 8 The pelagic food web / Agneta Andersson, Timo Tamminen, Sirpa Lehtinen, Klaus Jürgens, Matthias Labrenz, and Markku Viitasalo 9 Life associated with Baltic Sea ice / David N. Thomas, Hermanni Kaartokallio, Letizia Tedesco, Markus Majaneva, Jonna Piiparinen, Eeva Eronen-Rasimus, Janne-Markus Rintala, Harri Kuosa, Jaanika Blomster, Jouni Vainio, and Mats A. Granskog 10 Deep soft seabeds / Urszula Janas, Erik Bonsdorff, Jan Warzocha, and Teresa Radziejewska 11 The phytobenthic zone / Hans Kautsky, Georg Martin, and Pauline Snoeijs-Leijonmalm 12 Sandy coasts / Teresa Radziejewska, Jonne Kotta, and Lech Kotwicki 13 Estuaries and coastal lagoons / Hendrik Schubert and Irena Telesh Part IV Monitoring and ecosystem-based management of the Baltic Sea 14 Biological indicators / Michael L. Zettler, Alexander Darr, Matthias Labrenz, Sigrid Sagert, Uwe Selig, Ursula Siebert, and Nardine Stybel 15 Bio-optical water quality assessment / Susanne Kratzer, Piotr Kowalczuk, and Sławomir Sagan 16 Chemical pollution and ecotoxicology / Kari K. Lehtonen, Anders Bignert, Clare Bradshaw, Katja Broeg, and Doris Schiedek 17 Ecosystem health / Maria Laamanen, Samuli Korpinen, Ulla Li Zweifel, and Jesper H. Andersen 18 Ecosystem goods, services and management / Jan Marcin Węsławski, Eugeniusz Andrulewicz, Christoffer Boström, Jan Horbowy, Tomasz Linkowski, Johanna Mattila, Sergej Olenin, Joanna Piwowarczyk, and Krzysztof Skóra Subject index Taxonomy index
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  • 5
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    Dordrecht : Springer
    Call number: 9789402411010 (e-book)
    Description / Table of Contents: This book provides an overview of the current state of knowledge of Arctic ice shelves, ice islands and related features. Ice shelves are permanent areas of ice which float on the ocean surface while attached to the coast, and typically occur in very cold environments where perennial sea ice builds up to great thickness, and/or where glaciers flow off the land and are preserved on the ocean surface. These landscape features are relatively poorly studied in the Arctic, yet they are potentially highly sensitive indicators of climate change because they respond to changes in atmospheric, oceanic and glaciological conditions. Recent fracturing and breakup events of ice shelves in the Canadian High Arctic have attracted significant scientific and public attention, and produced large ice islands which may pose a risk to Arctic shipping and offshore infrastructure. Much has been published about Antarctic ice shelves, but to date there has not been a dedicated book about Arctic ice shelves or ice islands. This book fills that gap.
    Type of Medium: 12
    Pages: 1 Online-Ressource (xii, 422 Seiten) , Illustrationen, Diagramme, Karten (teilweise farbig)
    ISBN: 9789402411010 , 978-94-024-1101-0
    ISSN: 2510-0475 , 2510-0483
    Series Statement: Springer Polar Sciences
    Language: English
    Note: Contents Part I Distribution and Characteristics of Arctic Ice Shelves 1 Arctic Ice Shelves: An Introduction / Julian A. Dowdeswell and Martin O. Jeffries 2 The Ellesmere Ice Shelves, Nunavut, Canada / Martin O. Jeffries 3 Eurasian Arctic Ice Shelves and Tidewater Ice Margins / Julian A. Dowdeswell 4 Greenland Ice Shelves and Ice Tongues / Niels Reeh Part II Physical Processes and Historical Changes of Arctic Ice Shelves 5 Changes in Canadian Arctic Ice Shelf Extent Since 1906 / Derek Mueller, Luke Copland, and Martin O. Jeffries 6 The Surface Mass Balance of the Ward Hunt Ice Shelf and Ward Hunt Ice Rise, Ellesmere Island, Nunavut, Canada / Carsten Braun 7 Holocene History of Arctic Ice Shelves / John H. England, David J.A. Evans, and Thomas R. Lakeman 8 An Overview of Paleoenvironmental Techniques for the Reconstruction of Past Arctic Ice Shelf Dynamics / Dermot Antoniades 9 Arctic Ice Shelf Ecosystems / Anne D. Jungblut, Derek Mueller, and Warwick F. Vincent Part III Arctic Ice Shelf Calving Processes and Ice Islands 10 Factors Contributing to Recent Arctic Ice Shelf Losses / Luke Copland, Colleen Mortimer, Adrienne White, Miriam Richer McCallum, and Derek Mueller 11 Ice Island Drift Mechanisms in the Canadian High Arctic / Wesley Van Wychen and Luke Copland 12 Recent Changes in Sea Ice Plugs Along the Northern Canadian Arctic Archipelago / Sierra Pope, Luke Copland, and Bea Alt 13 The Military Importance and Use of Ice Islands During the Cold War / William F. Althoff 14 Russian Drifting Stations on Arctic Ice Islands / Igor M. Belkin and Sergey A. Kessel 15 Risk Analysis and Hazards of Ice Islands / Mark Fuglem and Ian Jordaan Erratum Index
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