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  • 550 - Earth sciences  (4,807)
  • AERODYNAMICS
  • Adaptation
  • 2020-2024  (19)
  • 2010-2014  (4,747)
  • 1980-1984  (2,178)
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  • 1
    Keywords: Coastal Resilience ; Social Justice ; Extreme Weather ; Natural Disaster ; Disaster Recovery ; Adaptation ; Severe Storm ; Climate Change management ; Coastal hazards ; Hurricane ; Katrina ; Flood ; Gentrification ; Environmental Policy ; Water Policy ; Environmental Law
    Description / Table of Contents: Introduction to the Book: “Ahead of the Curve” / Shirley Laska / Pages 1-31 --- Louisiana’s Risks Anticipating the Future Challenges to Other U.S. Coastal Communities --- Managing Risks in Louisiana’s Rapidly Changing Coastal Zone / Donald F. Boesch / Pages 35-62 --- Climate Adaptation Challenges and Solutions --- Connecting the Dots: The Origins, Evolutions, and Implications of the Map that Changed Post-Katrina Recovery Planning in New Orleans / Zachary Lamb / Pages 65-91 --- Antagonisms of Adaptation: Climate Change Adaptation Measures in New Orleans and New York City / Kevin Fox Gotham, Megan Faust / Pages 93-112 --- Adapting to a Smaller Coast: Restoration, Protection, and Social Justice in Coastal Louisiana / Scott A. Hemmerling, Monica Barra, Rebecca H. Bond / Pages 113-144 --- Relocation and Resettlement: An Extreme Adjustment --- Community Resettlement in Louisiana: Learning from Histories of Horror and Hope / Nathan Jessee / Pages 147-184 --- Sojourners in a New Land: Hope and Adaptive Traditions / Kristina J. Peterson / Pages 185-214 --- Types/Locations of Communities and Their Responses to Extreme Weather: Urban --- Post-disaster Development Dilemmas: Advancing Landscapes of Social Justice in a Neoliberal Post-disaster Landscape / Anna Livia Brand, Vern Baxter / Pages 217-240 --- Reimagining Housing: Affordability Crisis and Its Role in Disaster Resilience and Recovery / Andreanecia M. Morris, Lucas Diaz / Pages 241-259 --- Types/Locations of Communities and Their Responses to Extreme Weather: Suburban/Mid State --- The 2016 Unexpected Mid-State Louisiana Flood: With Special Focus on the Different Rescue and Recovery Responses It Engendered / Michelle Annette Meyer, Brant Mitchell, Shannon Van Zandt, Stuart Nolan / Pages 263-281 --- Types/Locations of Communities and Their Responses to Extreme Weather: Rural --- Challenges of Post-Disaster Recovery in Rural Areas / Alessandra Jerolleman / Pages 285-310 --- Types/Locations of Communities and Their Responses to Extreme Weather: Coupled Coastal-Inland --- Regional Resilience: Building Adaptive Capacity and Community Well-Being Across Louisiana’s Dynamic Coastal–Inland Continuum / Traci Birch, Jeff Carney / Pages 313-340
    Pages: Online-Ressource (XIV, 361 pages) , Illustrationen, Diagramme
    ISBN: 9783030272050
    Language: English
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  • 2
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    Firenze University Press | USiena Press
    Publication Date: 2024-04-06
    Description: Moby Dick Rehearsed is a magnificent experiment in the style of Orson Welles, whose talent explores in depth the texture of Melville's novel in an attempt to put it on stage. The analysis shows how the play - performed in New York in 1955 - sheds light on Welles's idea of the theater as a laboratory to experiment with the possibilities of this peculiar form of entertainment. The novel's inner violence and theatrical power become evident when Welles stages a rehearsal of Moby Dick by a company of actors used to act in Shakespeare's Hamlet in 1955. The well-known influence of Shakespeare on Melville's novel emerges from the play, which became a book published by Samuel French in 1965 in New York. Its Italian translation by Cristina Viti - Moby Dick. Prove per un dramma in due atti - provides the base for Elio De Capitani's mise en scene of the play in Milan in 2022, under the title of Moby-Dick alla prova.
    Keywords: Adaptation ; violence ; rehearsal ; experiment ; performance ; thema EDItEUR::A The Arts::AT Performing arts::ATD Theatre studies
    Language: Italian
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  • 3
    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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  • 4
    Publication Date: 2022-06-02
    Description: Analysis of the seventeenth-century theatrical adaptation of the Neapolitan Carlo Celano, L’infanta villana, and the Spanish source identified, La cortesana en la sierra y fortunas de don Manrique de Lara, written in collaboration by Juan de Matos Fragoso (I act), Juan Bautista Diamante (II act) and Juan Vélez de Guevara (III act). It focuses in particular on two sequences - one serious and one comic - that allow to verify the degree of dramatic and rhetorical adaptation and the translatability of humor compared with the prototext.
    Keywords: Italian Comedy spagnoleggiante ; Carlo Celano ; Juan de Matos Fragoso ; Juan Bautista Diamante ; Juan Vélez de Guevara ; Adaptation ; Translation
    Language: Spanish
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  • 5
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    Taylor & Francis | CRC Press
    Publication Date: 2024-04-05
    Description: Phenotypic plasticity – the ability of an individual organism to alter its features in direct response to a change in its environment – is ubiquitous. Understanding how and why this phenomenon exists is crucial because it unites all levels of biological inquiry. This book brings together researchers who approach plasticity from diverse perspectives to explore new ideas and recent findings about the causes and consequences of plasticity. Contributors also discuss such controversial topics as how plasticity shapes ecological and evolutionary processes; whether specific plastic responses can be passed to offspring; and whether plasticity has left an important imprint on the history of life. Importantly, each chapter highlights key questions for future research. Drawing on numerous studies of plasticity in natural populations of plants and animals, this book aims to foster greater appreciation for this important, but frequently misunderstood phenomenon. Key Features Written in an accessible style with numerous illustrations, including many in color Reviews the history of the study of plasticity, including Darwin’s views Most chapters conclude with recommendations for future research
    Keywords: Adaptation ; Developmental Mechanisms ; Epigenetics ; Origins of Novelty ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAJ Evolution ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSB Biochemistry ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSG Microbiology (non-medical)
    Language: English
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  • 6
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    Frontiers Media SA
    Publication Date: 2024-04-04
    Description: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact
    Keywords: Resilience ; Adaptation ; Blue Carbon ; Ecosystems ; Ocean Optimism ; thema EDItEUR::P Mathematics and Science::PD Science: general issues ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences::RBK Hydrology and the hydrosphere::RBKC Oceanography (seas and oceans)
    Language: English
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  • 7
    Publication Date: 2022-06-02
    Description: Climate scenarios show that Mediterranean areas will be affected by torrential patterns of rain, that can cause difficulties in urban life in coastal areas, mainly due to the draining systems and to the sea-level. Lisbon is on the estuary of Tagus river, which would be probably affected by run-off and by the forecasted rising sea-level. Redesigning its relationship with water, trying to make this urban area more resilient, becomes crucial and asks to study run-off and sea-level rise for 2100 and for intermediate steps, to adapt the urban life and its spaces to the occurring scenarios.
    Keywords: Waterfront ; Climate Change ; Adaptation ; Resilience ; Urban Strategic Projects
    Language: English
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  • 8
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    White Rose University Press | White Rose University Press
    Publication Date: 2022-12-06
    Description: In Hidden Depths, Professor Penny Spikins explores how our emotional connections have shaped human ancestry. Focusing on three key transitions in human origins, Professor Spikins explains how the emotional capacities of our early ancestors evolved in response to ecological changes, much like similar changes in other social mammals. For each transition, dedicated chapters examine evolutionary pressures, responses in changes in human emotional capacities and the archaeological evidence for human social behaviours. Starting from our earliest origins, in Part One, Professor Spikins explores how after two million years ago, movement of human ancestors into a new ecological niche drove new types of collaboration, including care for vulnerable members of the group. Emotional adaptations lead to cognitive changes, as new connections based on compassion, generosity, trust and inclusion also changed our relationship to material things. Part Two explores a later key transition in human emotional capacities occurring after 300,000 years ago. At this time changes in social tolerance allowed ancestors of our own species to further reach out beyond their local group and care about distant allies, making human communities resilient to environmental changes. An increasingly close relationship to animals, and even to cherished possessions, appeared at this time, and can be explained through new human vulnerabilities and ways of seeking comfort and belonging. Lastly, Part Three focuses on the contrasts in emotional dispositions arising between ourselves and our close cousins, the Neanderthals. Neanderthals are revealed as equally caring yet emotionally different humans, who might, if things had been different, have been in our place today. This new narrative breaks away from traditional views of human evolution as exceptional or as a linear progression towards a more perfect form. Instead, our evolutionary history is situated within similar processes occurring in other mammals, and explained as one in which emotions, rather than ‘intellect’, were key to our evolutionary journey. Moreover, changes in emotional capacities and dispositions are seen as part of differing pathways each bringing strengths, weaknesses and compromises. These hidden depths provide an explanation for many of the emotional sensitivities and vulnerabilities which continue to influence our world today.
    Keywords: Human demography ; Group size ; Lithic transfers ; Raw material movements ; Bonobos ; Dog burial ; Comfort ; Symbolic objects ; Symbolism ; Mobiliary art ; Attachment fluidity ; Hypersociability ; Human-animal relationships ; Dog domestication ; Attachment object ; Approachability ; Approach behaviour ; Avoidance behaviour ; Androgens ; Physiological responses ; Cognitive Archaeology ; Autism Spectrum Condition ; Handaxe ; Biface ; Neurodiversity ; Palaeolithic stone tools ; Evolution of neurodiversity ; Rock art ; Ice age art ; Material Culture ; Cultural transmission ; Emotional commitment ; Biopsychosocial approach ; Social tolerance ; Attachment ; Genus Homo ; Acheulian ; Cultural evolution ; Skeletal abnormality ; Injury ; Illness ; Interdependence ; Emotional sensitivity ; Moral emotions ; Evolution of Altruism ; Hominins ; Upper Palaeolithic ; Lower Palaeolithic ; Ecological niche ; Selective pressure ; Behavioural ecology ; Wolves ; Affective empathy ; Cognitive empathy ; Theory of mind ; Human Cognition ; Vulnerability ; Evolutionary Psychology ; Developmental psychology ; Helping behaviours ; Social cognition ; Social mammals ; Human Emotion ; Human social collaboration ; Generosity ; Emotional brain ; Social emotions ; Comparative behaviour ; Evolution ; Social carnivores ; Primate behavioural ecology ; Primate social systems ; Human Evolution ; Human ancestors ; Collaboration ; Evolutionary Biology ; Emotional vulnerability ; Social connection ; Decolonisation ; Social networks ; Middle Palaeolithic ; Community resilience ; Convergent evolution ; Chimpanzee ; Origin of modern humans ; Social safeness ; Wolf domestication ; Cherished possessions ; Compensatory attachment ; Loneliness ; Palaeolithic art ; Stress reactivity ; Bonding hormones ; Humans ; Hunter-gatherers ; Intergroup collaboration ; Tolerance ; Emotional connection ; Autism ; Trust ; Early Prehistory ; Palaeopathology ; Origins of healthcare ; Human self-domestication ; Palaeolithic Archaeology ; Social brain ; Care-giving ; Empathy ; Neanderthals ; Compassion ; Social Connection ; Evolution of Emotions ; Human Origins ; Adaptation ; Prehistory ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHM Anthropology ; bic Book Industry Communication::H Humanities::HD Archaeology ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences ; 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::PS Biology, life sciences::PSA Life sciences: general issues::PSAJ Evolution ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPW Political activism::JPWQ Revolutionary groups & movements ; bic Book Industry Communication::J Society & social sciences::JM Psychology
    Language: English
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  • 9
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    transcript Verlag | transcript Verlag
    Publication Date: 2024-04-04
    Description: F. Scott Fitzgerald once said: »Show me a hero, and I'll write you a tragedy.« In the 1990s, nobody fell deeper than O.J. Simpson. Once considered a national treasure, the athlete was accused of brutally slaying his ex-wife Nicole Brown and her friend Ronald Goldman on June 12, 1994. Within days, the media and public developed an unprecedented obsession with the story, turning a murder investigation and trial into a sensationalized reality show. Tatjana Neubauer examines the mediatization, deliberate manipulation, and the simplification of popular criminal trials for profit on television. She demonstrates that TV conflated legal proceedings into entertainment programming by commodifying events, people, and places.
    Keywords: Mediatization ; O.J. Simpson ; Reality Television ; Court TV ; Adaptation ; Media ; America ; Television ; Media Theory ; Cultural Studies ; Media Studies ; thema EDItEUR::A The Arts::AT Performing arts::ATJ Television ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBC Cultural and media studies::JBCT Media studies::JBCT2 Media studies: TV and society ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBC Cultural and media studies::JBCC Cultural studies
    Language: English
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  • 10
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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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  • 11
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-11
    Description: Due to its dynamic range, the human eye can adapt to a wide variety of light situations within a very short time. If the dynamic range of the eye is insufficient, glare occurs. There is no suitable objective measurement method to describe the effects on visual performance and its course. This was developed and validated as part of this work.
    Keywords: Blendung ; Adaptation ; Licht ; Visuelle Wahrnehmung ; Kurzzeitgedächtnis ; Glare ; Adaption ; Light ; VisualPperception ; Short Time Memory ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering
    Language: German
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  • 12
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-05
    Description: Forest tree genetics and genomics are advancing at an accelerated rate, thanks to recent developments in high-throughput, next-generation sequencing capabilities, and novel biostatistical tools. Population and landscape genetics and genomics have seen the rise of new approaches implemented in large-scale studies that employ the use of genome-wide sampling. Such studies have started to discern the dynamics of neutral and adaptive variation in nature and the processes that underlie spatially explicit patterns of genetic and genomic variation in nature. The continuous development of genetic maps in forest trees and the expansion of QTL and association mapping approaches contribute to the unravelling of the genotype-phenotype relationship and lead to marker-assisted and genome-wide selection. However, major challenges lie ahead. Recent literature suggests that species demography and genetic diversity have been affected both by climatic oscillations and anthropogenically induced stresses in a way calls into question the possibility of future adaptation. Moreover, the pace of contemporary environmental change presents a great challenge to forest tree populations and their ability to adapt, taking into consideration their life history characteristics. Several questions emerge that include, but are not limited to, the interpretation of forest tree genome surveillance and their structural/functional properties, the adaptive and neutral processes that have shaped forest tree genomes, the analysis of phenotypic traits relevant to adaptation (especially adaptation under contemporary climate change), the link between epigenetics/epigenomics and phenotype/genotype, and the use of genetics/genomics as well as genetic monitoring to advance conservation priorities.
    Keywords: QH301-705.5 ; GE1-350 ; SD1-669.5 ; QTL/Association Mapping ; Management of Forest Genetic Resources ; Phylogeography ; Epigenetics/Epigenomics ; Molecular Evolution ; Proteomics ; Functional Genomics ; Population/Landscape Genetics/Genomics ; Conservation Genetics/Genomics ; Adaptation ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Language: English
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  • 13
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    De Gruyter
    Publication Date: 2024-03-26
    Description: This book unites essays on the interplay of media or inter-arts studies, as well as papers with a focus on comics studies, further testimony to the fact that comics have truly arrived in mainstream academic discourse. "Adaptation" is a key term for the studies presented in this volume various articles discuss the adaptation of literary source texts in different target media - cinematic versions, comics adaptations, TV series, theatre, and opera.
    Keywords: Adaptation ; intermediality ; comics studies ; world literature ; thema EDItEUR::D Biography, Literature and Literary studies::D Biography, Literature and Literary studies::DS Literature: history and criticism ; thema EDItEUR::D Biography, Literature and Literary studies::DS Literature: history and criticism::DSB Literary studies: general
    Language: English , German , French
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  • 14
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    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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  • 15
    Publication Date: 2022-05-25
    Description: Author Posting. © The Author(s), 2009. This is the author's version of the work. It is posted here by permission of Blackwell for personal use, not for redistribution. The definitive version was published in Ecology Letters 12 (2009): E15-E18, doi:10.1111/j.1461-0248.2009.01332.x.
    Description: Hartley et al. question whether reduction in Rmass, under experimental warming, arises because of the biomass method. We show the method they treat as independent yields the same result. We describe why the substrate-depletion hypothesis cannot alone explain observed responses, and urge caution in the interpretation of the seasonal data.
    Description: This research was supported by the Office of Science (BER), U.S. Department of Energy, the Andrew W. Mellon Foundation and U.S. National Science Foundation grants to the Coweeta LTER program.
    Keywords: Acclimation ; Adaptation ; Soil respiration ; Thermal biology ; Temperature ; Carbon cycling ; Climate change ; Climate warming ; Microbial community ; CO2
    Repository Name: Woods Hole Open Access Server
    Type: Preprint
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  • 16
    Publication Date: 2022-05-25
    Description: Author Posting. © The Author(s), 2012. This is the author's version of the work. It is posted here by permission of John Wiley & Sons for personal use, not for redistribution. The definitive version was published in Journal of Ecology 100 (2012): 841-851, doi:10.1111/j.1365-2745.2012.01984.x.
    Description: Reciprocal transplant experiments designed to quantify genetic and environmental effects on phenotype are powerful tools for the study of local adaptation. For long-lived species, especially those in habitats with short growing seasons, however, the cumulative effects of many years in novel environments may be required for fitness differences and phenotypic changes to accrue. We returned to two separate reciprocal transplant experiments thirty years after their initial establishment in interior Alaska to ask whether patterns of differentiation observed in the years immediately following transplant have persisted. We also asked whether earlier hypotheses about the role of plasticity in buffering against the effects of selection on foreign genotypes were supported. We censused survival and flowering in three transplant gardens created along a snowbank gradient for a dwarf shrub (Dryas octopetala) and six gardens created along a latitudinal gradient for a tussock-forming sedge (Eriophorum vaginatum). For both species, we used an analysis of variance to detect fitness advantages for plants transplanted back into their home site relative to those transplanted into foreign sites. For D. octopetala, the original patterns of local adaptation observed in the decade following transplant appeared even stronger after three decades, with the complete elimination of foreign ecotypes in both fellfield and snowbed environments. For E. vaginatum, differential survival of populations was not evident 13 years after transplant, but was clearly evident 17 years later. There was no evidence that plasticity was associated with increased survival of foreign populations in novel sites for either D. octopetala or E. vaginatum. Synthesis. We conclude that local adaptation can be strong, but nevertheless remain undetected or underestimated in short-term experiments. Such genetically-based population differences limit the ability of plant populations to respond to a changing climate.
    Description: Funding for this research was provided by National Science Foundation grant ARC-0908936 with additional support from NSF-BSR-9024188.
    Keywords: Adaptation ; Dryas octopetala ; Ecological genetics and ecogenomics ; Eriophorum vaginatum ; Genetic differentiation ; Phenotypic plasticity ; Tussock tundra
    Repository Name: Woods Hole Open Access Server
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  • 17
    Publication Date: 2022-05-26
    Description: Author Posting. © The Author(s), 2009. This is the author's version of the work. It is posted here by permission of IOP Publishing for personal use, not for redistribution. The definitive version was published in Environmental Research Letters 4 (2009): 044008, doi:10.1088/1748-9326/4/4/044008.
    Description: Rising sea level threatens existing coastal wetlands. Overall ecosystems could often survive by migrating inland, if adjacent lands remained vacant. On the basis of 131 state and local land use plans, we estimate that almost 60% of the land below 1 m along the US Atlantic coast is expected to be developed and thus unavailable for the inland migration of wetlands. Less than 10% of the land below 1 m has been set aside for conservation. Environmental regulators routinely grant permits for shore protection structures (which block wetland migration) on the basis of a federal finding that these structures have no cumulative environmental impact. Our results suggest that shore protection does have a cumulative impact. If sea level rise is taken into account, wetland policies that previously seemed to comply with federal law probably violate the Clean Water Act.
    Keywords: Climate change ; Adaptation ; Land use planning ; Sea-level rise ; Wetland migration ; Shore protection
    Repository Name: Woods Hole Open Access Server
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  • 18
    Publication Date: 2023-06-12
    Description: A sustainability transition in line with achieving global climate goals requires the implementation of win-win strategies (WWS), i.e. socioeconomic activities that enable economic gains while simultaneously contributing to climate change mitigation or adaptation measures. Such strategies are discussed in a variety of scientific communities, such as sustainability science, industrial ecology and symbiosis and circular economy. However, existing analyses of win-win strategies tend to take a systems perspective, while paying less attention to the specific actors and activities, or their interconnections, which are implicated in win-win strategies. Moreover, they hardly address adaptation WWS. To address these gaps and support the identification and enhancement of WWS for entrepreneurs and policy-makers, we propose a typology of WWS based on the concept of a value-consumption chain, which typically connects several producers with at least one consumer of a good or service. A consideration of these connections allows an evaluation of economic effects in a meso-economic perspective. We distinguish 34 different types of WWS of companies, households and the state, for which 23 real-world examples are identified. Further, contrary to prevailing views on the lack of a business case for adaptation, we do identify real-world adaptation WWS, though they remain underrepresented compared with mitigation WWS. Our typology can be used as an entry point for transdisciplinary research integrating assessment of individual transformative socioeconomic activities and highly aggregated approaches assessing, e.g. the macro-economic effects of WWS.
    Description: Horizon 2020 Framework Programme ()
    Keywords: ddc:304.28 ; Win-win ; Green business models ; Green entrepreneurs ; Typology ; Mitigation ; Adaptation
    Language: English
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  • 19
    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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  • 20
    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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  • 21
    Publication Date: 2024-06-14
    Description: Background Salinity, exacerbated by rising sea levels, is a critical environmental cue affecting freshwater ecosystems. Predicting ecosystem structure in response to such changes and their implications for the geographical distribution of arthropod disease vectors requires further insights into the plasticity and adaptability of lower trophic level species in freshwater systems. Our study investigated whether populations of the mosquito Culex pipiens, typically considered sensitive to salt, have adapted due to gradual exposure. Methods Mesocosm experiments were conducted to evaluate responses in life history traits to increasing levels of salinity in three populations along a gradient perpendicular to the North Sea coast. Salt concentrations up to the brackish–marine transition zone (8 g/l chloride) were used, upon which no survival was expected. To determine how this process affects oviposition, a colonization experiment was performed by exposing the coastal population to the same concentrations. Results While concentrations up to the currently described median lethal dose (LD50) (4 g/l) were surprisingly favored during egg laying, even the treatment with the highest salt concentration was incidentally colonized. Differences in development rates among populations were observed, but the influence of salinity was evident only at 4 g/l and higher, resulting in only a 1-day delay. Mortality rates were lower than expected, reaching only 20% for coastal and inland populations and 41% for the intermediate population at the highest salinity. Sex ratios remained unaffected across the tested range. Conclusions The high tolerance to salinity for all key life history parameters across populations suggests that Cx. pipiens is unlikely to shift its distribution in the foreseeable future, with potential implications for the disease risk of associated pathogens.
    Keywords: Adaptation ; Culex pipiens ; Environmental change ; Mosquito ; Population dynamics ; Oviposition ; experiments ; Salinization
    Repository Name: National Museum of Natural History, Netherlands
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  • 22
    Publication Date: 2024-06-13
    Description: Climate change affects human activities, including tourism across various sectors and time frames. The winter tourism industry, dependent on low temperatures, faces significant impacts. This paper reviews the implications of climate change on winter tourism, emphasising challenges for activities like skiing and snowboarding, which rely on consistent snowfall and low temperatures. As the climate changes, these once taken-for-granted conditions are no longer as commonplace. Through a comprehensive review supported by up-to-date satellite imagery, this paper presents evidence suggesting that the reliability of winter snow is decreasing, with findings revealing a progressive reduction in snow levels associated with temperature and precipitation changes in some regions. The analysis underscores the need for concerted efforts by stakeholders who must recognize the reality of diminishing snow availability and work towards understanding the specific changes in snow patterns. This should involve multi-risk and multi-instrument assessments, including ongoing satellite data monitoring to track snow cover changes. The practical implications for sports activities and the tourism industry reliant on snow involve addressing challenges by diversifying offerings. This includes developing alternative winter tourism activities less dependent on snow, such as winter hiking, nature walks, or cultural experiences.
    Description: Published
    Description: 120554
    Description: OSA2: Evoluzione climatica: effetti e loro mitigazione
    Description: JCR Journal
    Keywords: Climate change ; Adaptation ; Tourism losses ; Winter sport ; Multi-date satellite imagery ; 05.09. Miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 23
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 24
    Publication Date: 2020-02-12
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  • 25
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    In:  Geophysical Research Abstracts, Vol. 12, EGU2010-15556
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  • 26
    Publication Date: 2020-02-12
    Description: Lateglacial and Holocene faunal and stable-isotope records from benthic foraminifers in the eastern Mediterranean Sea (EMS) suggest a high spatiotemporal variability of deep-water oxygenation and biogeochemical processes at the sea floor during that time. Changes in the oxygenation and food availability of the deep-sea ecosystems are closely linked to the hydrology of the EMS borderlands; they reflect orbital and suborbital climate variations of the high northern latitudes and the African monsoon system. During the last glacial maximum, cool surface waters and high evaporation resulted in maximum convection and oxic deep-waters in all sub-basins. Strong wind-induced mixing fostered surface-water production with seasonal phytodetritus fluxes. During the glacial termination and the Holocene, oxygenation and food availability of deep-sea benthic ecosystems were characterized by a pronounced regional differentiation. Local deep-water formation and trophic conditions were particularly variable in the northern Aegean Sea as a response to changes in riverine runoff and Black Sea outflow. During the interval of sapropel S1 formation in the early Holocene, average oxygen levels decreased exponentially with increasing water depth, suggesting a basin-wide shallowing of vertical convection superimposed by local signals. In the northernmost Aegean Sea, deep-water ventilation persisted during the early period of S1 formation, owing to temperature-driven local convection and the absence of low-salinity Black Sea outflow. At the same time, severe temporary anoxia occurred in the eastern Levantine basin at water depths as shallow as 900 m. This area was likely influenced by enhanced nutrient input of the Nile river that resulted in high organic matter fluxes and related high oxygen-consumption rates in the water column. In the southern Aegean and Levantine Seas, we observe a gradual increase in deep-water residence times, preceding S1 formation by approximately 1–1.5 kyr. Once oxygen levels fell below a critical threshold, the benthic ecosystems collapsed almost synchronously with the onset of S1 deposition. The recovery of benthic ecosystems during the terminal phase of S1 formation is controlled by subsequently deeper convection and re-ventilation over a period of approximately 1500 years. After the re-ventilation of the various sub-basins had been completed during the middle and late Holocene, deep-water renewal was more or less similar to recent rates. During that time, deep-sea ecosystem variability was driven by short-term changes in food quantity and quality as well as in seasonality, all of which are linked to millennial-scale changes in riverine runoff and associated nutrient input.
    Keywords: 550 - Earth sciences
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  • 27
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    In:  14th International Conference Experimental Mineralogy Petrology Geochemistry - EMPG (Kiel, Germany 2012)
    Publication Date: 2020-02-12
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  • 28
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    In:  9th Silicate Melt Workshop (La Petite Pierre, France 2011)
    Publication Date: 2020-02-12
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  • 29
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    In:  Geophysical Research Abstracts Vol. 15, EGU2013-12695, 2013
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 30
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    In:  12th IAGA Scientific Assembly (Merida, Mexico 2013)
    Publication Date: 2020-02-12
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  • 31
    Publication Date: 2020-02-12
    Description: We present a new interface between the geochemical simulator PHREEQC and the open source language R. It represents a tool to flexibly and efficiently program and automate every aspect of geochemical modelling. The interface helps particularly to setup and run large numbers of simulations and visualise the results. Also profiting of numberless high-quality R extension packages, performing sensitivity analysis or Monte Carlo simulations becomes straightforward. Further, an algorithm to speedup reactive transport simulations starting from homogeneous or zone- homogeneous state is programmed and successfully evaluated through the interface. It proved effective and could therefore be included in any reactive transport simulator.
    Keywords: 550 - Earth sciences
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  • 32
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    In:  PSIk-2010 Conference: Ab initio (from the electronic structure) calculations of processes in materials and (bio)molecules (Berlin 2010)
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  • 33
    Publication Date: 2020-02-12
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  • 34
    Publication Date: 2020-02-12
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  • 35
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    In:  Geophysical Research Abstracts Vol. 12, EGU2010-1772, 2010
    Publication Date: 2020-02-12
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  • 36
    Publication Date: 2020-02-12
    Description: We studied 40 artesian wells (AWs) in the Amu Darya Delta. These wells include high-salinity (∼ 52 g/l) and saline (5 – 24 g/l) waters but are mostly low-salinity waters (1.3 – 2.9 g/l). The low-salinity AWs cluster into three types, reflecting the variable mixing of different end-member solutes: (residual) brines and solutes deriving from silicate alteration, dissolution of limestone and dissolution of gypsum. The solutes are all undersaturated in calcite and gypsum, contain a substantial cation excess against dissolved inorganic carbon and are characterised by low Ca/SO4 ratios. On the basis of the hydrochemical mass budgets of model cases, we demonstrate that Na-rich Cl-brines (45-48%) and a Na2SO4-brine (30-47%) are the dominant solute components. The solutes derived from aluminium silicate alteration are minor components (7.3 – 19.4%). Even less important are solutes from limestone or gypsum dissolution (0.05 – 3.7%). These waters are unlikely to have originated from sediments hosting gypsum. The low-salinity AWs must have acquired their dominant hydrochemical signatures under non-equilibrium conditions between their remote (unknown) seepage areas and their discharge locations. This acquisition may have begun during the early hydrochemical groundwater evolution when meteoric or surface water passed the critical zone under an arid climate regime. Warmer saline AWs (∼40°C) hosted in deeper Cretaceous formations contain a high portion of NaCl-rich brine (85%) and some are saturated in gypsum. These waters were derived from fluids rising along faults from pre-Cretaceous strata. The high-salinity and relatively cold AWs discharge close to the retreating Aral Sea south of its western basin. These AWs are suboxic, and Si concentrations are very low. The AW hydrochemical signatures reflect the dissolution of halite and gypsum. We observed positive correlations between temperature, Br, B and Si. The temperature correlation with bromide likely documents the transformation of organically bound Br. The silica concentrations in low-salinity AWs southeast of the Aral Sea (eastern basin) are close to quartz saturation and define a chemical Si-geothermometer.
    Keywords: 550 - Earth sciences
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  • 37
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    In:  Geophysical Research Abstracts, Vol. 14, EGU2012-5143, 2012
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  • 38
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  • 39
    Publication Date: 2020-02-12
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  • 40
    Publication Date: 2020-02-12
    Description: We applied scaled physical analogue experiments to investigate the early development of salt diapirs induced by differential sedimentary loading in an intra-continental basin realm (e.g. the North German Basin). During the experiments, deformation in a salt-analogue viscous layer was initiated by variations in the thickness of an overlying brittle material and subsequent accumulation of the brittle material further sustained deformation. A 2D optical image correlation system was used to monitor the strain evolution in the salt analogue material. Our models indicate that the formation of salt pillow structures can be achieved by minimum variations in the overburden loading. The increase of differential loading by adding synkinematic layers in the subsided areas causes not only an active piercing of the viscous layer through the brittle overburden but also an additional uplift in the adjacent areas. These elevations, named “secondary structures”, act as origins for a successive generation of diapirs. Consequently, an initial perturbation of the salt–sediment-interface can lead to a lateral propagation temporally shifted diapirs. The linkage between primary and secondary structures is reflected in the synkinematic overburden layers such as overlapping peripheral sinks in the transition zone between two diapirs. These sinks, in turn, are a frequently observable phenomenon around salt structures of the North German basin indicating that “secondary diapirism” is an underestimated process – besides regional tectonic stresses – influencing the evolution of salt structures.
    Keywords: 550 - Earth sciences
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  • 41
    Publication Date: 2020-02-12
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  • 42
    Publication Date: 2020-02-12
    Description: Calibration is a fundamental stage of the radiocarbon (14C) dating process if one is to derive meaningful calendar ages from samples’ 14C measurements. For the first time, the IntCal09 calibration curve (Reimer et al. 2009) provided an internationally ratified calibration data set across almost the complete range (0 to 50,000 cal BP) of the 14C timescale. However, only the last 12,550 cal yr of this record are composed of terrestrial data, leaving approximately three quarters of the 14C timescale necessarily calibrated via less secure, marine records (incorporating assumptions pertaining to the temporally variable “marine reservoir effect”). The predominantly annually laminated (varved) sediment profile of Lake Suigetsu, central Japan, offers an ideal opportunity to derive an extended terrestrial record of atmospheric 14C across the entire range of the method, through pairing of 14C measurements of terrestrial plant macrofossil samples (extracted from the sediment) with the independent chronology provided through counting of its annual laminations. This paper presents new data (182 14C determinations) from the upper (largely non-varved) 15 m of the Lake Suigetsu (SG06) sediment strata. These measurements provide evidence of excellent coherence between the Suigetsu 14C data and the IntCal09 calibration curve across the last ~12,000 cal yr (i.e. the portion of IntCal based entirely on terrestrial data). Such agreement demonstrates that terrestrial plant material picked from the Lake Suigetsu sediment provides a reliable archive of atmospheric 14C, and therefore supports the site as being capable of providing a high-resolution extension to the “wholly terrestrial” (i.e. non-reservoir-corrected) calibration curve beyond its present 12,550 cal BP limit.
    Keywords: 550 - Earth sciences
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  • 43
    Publication Date: 2020-02-12
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  • 44
    Publication Date: 2020-02-12
    Description: Scaled analogue experiments are used to investigate the indentation of two basement blocks into a sedimentary basin and the formation of a fold-and-thrust belt. The experimental set-up has two adjacent indenters moving in parallel with a velocity difference. The slow indenter moves with a relative velocity ranging from 40 to 80% of that of the fast one. In a first experimental series, quartz sand and low-friction glass beads represent the sediment stack and its basal detachment, respectively; silicone oil simulates a viscous detachment in the second series of experiments. The surface evolution and the spatio-temporal strain distribution are derived from particle image velocimetry (PIV). Together with the 3D finite structure derived by cutting the models at the end of each experiment, this allows the analysis of the structural evolution of the experimental wedges. Thrusting wedge development depends crucially on the relative velocity: when the slow indenter moves with a velocity of more than 55% of the fast indenter, a single curved thrust wedge develops. The wedge becomes decoupled along strike-slip zone at large velocity differences, i.e. when the slow indenter moves slower than 55% of the faster indenter. Consequently the thrust front is strongly curved at high (55–60%) and smoothly curved at low velocity differences (70–80%); in all cases curvature increases during indentation. Along the most strongly curved portion of the thrust wedge, the transfer zone rises, particle rotation and material transport oblique to the indentation direction occur directed toward the front of the slow indenter. Thrusting cycles are timed by the fast indenter and influence thrusting in front of the slow indenter. Thrusts nucleate in front of the fast indenter wedge and propagate laterally to the slow indenter front. This implies distant effects of wedge growth active hundreds of kilometres along-strike of orogens. Silicone oil as a detachment induces a low-angle wedge, which is less curved than in the glass beads experiments, and shows variable thrust vergence with fore- and back-thrusts. We compare our experimental results with the curved fold-and-thrust belts of the Tajik basin in front of the Hindu-Kush and Pamir indenters; our results are able to explain several first-order features.
    Keywords: 550 - Earth sciences
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    Publication Date: 2020-02-12
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  • 47
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  • 50
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    In:  Salt Tectonics, Sediments and Prospectivity | Geological Society special publication ; 363
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  • 51
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  • 52
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  • 53
    Publication Date: 2020-02-12
    Description: Comparing the organic matter (OM) composition of modern and past lake sediments contributes to the understanding of changes in lacustrine environments over time. We investigate modern plant and lake-water samples as well as modern and ancient sediment samples from the Tswaing Crater in South Africa using biomarker and stable carbon isotope analyses on bulk OM and specific biomarker compounds. The characteristic molecular markers for higher land plants (predominantly C3-type deciduous angiosperms) in Lake Tswaing are long-chain n-alkanes (n-C27−33), n-alkanols (n-C28+30), stigmasterol, β-sitosterol, β-amyrin, α-amyrin and lupeol. The C17 n-alkane, tetrahymanol, gammaceran-3-one and C29 sterols dominate the lipid fraction of autochthonously produced OM. By comparing stable carbon isotope analyses on bulk OM and the characteristic biomarkers, we follow the modern carbon cycle in the crater environment and find indications for methanotrophic activity in the lake from isotopically depleted moretene. A comparative study of core sediments reveals changes in the terrestrial (C3 versus C4) and aquatic bioproductivity and allows insights into the variability of the carbon cycle under the influence of changing climatic conditions for the time from the end of the last glacial (Termination I) to the late Holocene, ca. 14,000–2,000 calibrated years before present (years BP). The most pronounced changes occur in the aquatic realm after ca. 10,000 years BP when our results imply climate swings from more humid to more arid and after 7,500 years BP to gradually more humid conditions again, which can be related to a shift in the position of the Inter-Tropical Convergence Zone or to changes in the tropical atmosphere–ocean interaction. Long-chain alkenones (LCAs) have been identified in ancient lake sediments from Africa for the first time. They occur in samples older than 7,500 years BP and their distribution (dominance of C38 and of tri- over tetra-unsaturated LCAs) is distinctly different from other published records suggesting a to date unknown source organism.
    Keywords: 550 - Earth sciences
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  • 54
    Publication Date: 2020-02-12
    Description: We study opportunities for CO2 sequestration in geological formations of the state North Rhine Westphalia in Germany. Simulations are performed for evaluating a potential site within the Bunter sandstone formation near the town of Minden in a depth of around 3,000 m using the numerical simulator TOUGHREACT. Our focus is on three CO2 storage mechanisms: (1) hydrodynamic trapping, (2) dissolution trapping, and (3) mineral trapping. The results show that due to buoyancy the injected CO2 phase initially migrates towards the top of the reservoir and is hydrodynamically trapped beneath the confining layer of the cap rock. Then, the CO2 spreads laterally and dissolves partially in the formation water. The dissolution of CO2 results in an increase of the density of the brine causing a downward migration until it settles after 10,000 years at the bottom of the reservoir. The simulations indicate that after 10,000 years, 15% (17 Mt) from a total of 114 Mt injected CO2 are trapped hydrodynamically, 20% (23 Mt) are trapped by dissolution, and 65% (74 Mt) are fixed in newly formed carbonates such as dawsonite, ankerite, and siderite. Within our study pressure increases near the injection well by a factor of 1.1 which is lower than the upper limit usually accepted in gas storage operations. The mineral reactions cause a net decrease of porosity and in turn a decrease of permeability down to 9% of the initial value in parts of the reservoir.
    Keywords: 550 - Earth sciences
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    Publication Date: 2020-02-12
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  • 56
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    In:  24. Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung (Neustadt/Weinstraße 2011)
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  • 57
    Publication Date: 2020-02-12
    Description: Receiver functions are widely employed to detect P-to-S converted waves and are especially useful to image seismic discontinuities in the crust. In this study we used the P receiver function technique to investigate the velocity structure of the crust beneath the Northwest Zagros and Central Iran and map out the lateral variation of the Moho boundary within this area. Our dataset includes teleseismic data (Mb ≥ 5.5, epicentral distance from 30◦ to 95◦) recorded at 12 three component short-period stations of Kermanshah, Isfahan and Yazd telemetry seismic networks. Our results obtained from P receiver functions indicate clear Ps conversions at theMoho boundary. The Moho depths were firstly estimated from the delay time of the Moho converted phase relative to the direct P wave beneath each network. Then, we used the P receiver function inversion to find the properties of the Moho discontinuity such as depth and velocity contrast. Our results obtained from PRF are in good agreement with those obtained from the P receiver function modeling. We found an average Moho depth of about 42 km beneath the Northwest Zagros increasing toward the Sanandaj-Sirjan Metamorphic Zone and reaches 51 km, where two crusts (Zagros and Central Iran) are assumed to be superposed. The Moho depth decreases toward the Urmieh-Dokhtar Cenozoic volcanic belt and reaches 43 km beneath this area. We found a relatively flat Moho beneath the Central Iran where, the average crustal thickness is about 42 km. Our P receiver function modeling revealed a shear wave velocity of 3.6 km/s in the crust of Northwest Zagros and Central Iran increasing to 4.5 km/s beneath the Moho boundary. The average shear wave velocity in the crust of UDMA as SSZ is 3.6 km/s, which reaches to 4.0 km/s while in SSZ increases to 4.3 km/s beneath the Moho.
    Keywords: 550 - Earth sciences
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  • 59
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    In:  First International Workshop on Nanoscale Modeling and Simulation: Applications to geomaterials and earth from the inner core to the surface (Lille, France 2010)
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  • 61
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    In:  In: Lacoste-Francis, H. (eds.), Proceedings of the ESA Living Planet Symposium, ESA Publication SP 686
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  • 63
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    In:  Geophysical Research Abstracts Vol. 12, EGU2010-9036, 2010
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    In:  Mineralogical Magazine - Goldschmidt Conference Abstracts
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  • 66
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    In:  Acta Mineralogica-Petrographica, Abstract Series ; 6
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    Keywords: 550 - Earth sciences
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  • 67
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  • 68
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    In:  TRACE 2012 - Tree Rings in Archaeology, Climatology and Ecology (Potsdam and Eberswalde, Germany 2012)
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  • 69
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    In:  Handbook of Hydrocarbon and Lipid Microbiology, Part 1
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  • 70
    Publication Date: 2020-02-12
    Description: On 12 September 2007, an Mw 8.4 earthquake occurred within the southern section of the Mentawai segment of the Sumatra subduction zone, where the subduction thrust had previously ruptured in 1833 and 1797. Traveltime data obtained from a temporary local seismic network, deployed between December 2007 and October 2008 to record the aftershocks of the 2007 event, was used to determine two-dimensional (2-D) and three-dimensional (3-D) velocity models of the Mentawai segment. The seismicity distribution reveals significant activity along the subduction interface and within two clusters in the overriding plate either side of the forearc basin. The downgoing slab is clearly distinguished by a dipping region of high Vp (8.0 km/s), which can be a traced to ∼50 km depth, with an increased Vp/Vs ratio (1.75 to 1.90) beneath the islands and the western side of the forearc basin, suggesting hydrated oceanic crust. Above the slab, a shallow continental Moho of less than 30 km depth can be inferred, suggesting that the intersection of the continental mantle with the subducting slab is much shallower than the downdip limit of the seismogenic zone despite localized serpentinization being present at the toe of the mantle wedge. The outer arc islands are characterized by low Vp (4.5–5.8 km/s) and high Vp/Vs (greater than 2.0), suggesting that they consist of fluid saturated sediments. The very low rigidity of the outer forearc contributed to the slow rupture of the Mw 7.7 Mentawai tsunami earthquake on 25 October 2010.
    Keywords: 550 - Earth sciences
    Language: English
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  • 71
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    In:  2nd CNES CCT workshop on passive reflectometry using radiocom space signals (Calais, France 2011)
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  • 72
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  • 73
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  • 74
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    In:  Geophysical Research Abstracts Vol. 12, EGU2010-4496, 2010
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  • 75
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    In:  Earth rotation, reference systems, and celestial mechanics : synergies of geodesy and astronomy
    Publication Date: 2020-02-12
    Description: Sub-diurnal variations in Earth rotation parameters as obtained from time-series of space geodetic observations contain substantial variability even after correcting for the effects of oceanic tides. These residuals are in particular apparent at frequencies of 1, 2 and 3 cycles per solar day, where atmospheric tides, principally excited by water vapor absorption and ozone heating in the middle atmosphere, are known to occur. By means of hourly data of the chemistry-climate model WACCM, the potential of atmospheric tides on the excitation of UT1 variations is re-assessed. Tidal signals are separated into migrating and non-migrating zonal waves for individual height levels. Only standing waves of wavenumber zero are found to be effective in exciting UT1 variations, which are subsequently discussed in terms of their characteristic surface pressure and vertically varying wind amplitudes.
    Keywords: 550 - Earth sciences
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  • 76
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    In:  Geophysical Research Abstracts; Vol. 14, EGU2012-782, 2012
    Publication Date: 2020-02-12
    Description: Regional ocean models are extraordinarily useful tools as complements to global models, since they work at higher spatial and temporal resolutions and parameters can be adapted to the particular conditions in the region of interest. These advantages are bought with new potential issues at the boundaries of the modelled region. At open boundaries, a global model has to provide boundary conditions such as velocity, temperature, and salinity, necessarily obtained at coarser resolution and with less accuracy. The region we focus on is the surroundings of South Africa, comprising parts of the Southern Atlantic and Southern Indian Ocean as well as the Southern Ocean down to the ice shelves of Antarctica.We attempt to better understand the dynamics of the Agulhas Current, which has been shown to have far-reaching impacts also on the Meridional Overturning Circulation and, thereby, on the world’s climate. With our study region expanded southwards, including a fraction of the Antarctic Circumpolar Current (ACC), we investigate the local current-current interactions which are conveyed by small-scale turbulences. In our analysis, we focus on sea surface height and ocean bottom pressure and the different forcing terms that influence these two variables. We configure a version of the Regional Ocean Modelling System (ROMS) to simulate ocean dynamics around South Africa, forced with ERA-Interim atmospheric data, and explore the sensitivity to various choices of boundary conditions. The horizontal resolution of 0.25 degrees - 0.25 degrees at 32 vertical levels is supposed to resolve mesoscale eddies as well as the climatologically important shedding of Agulhas rings. To show the capabilities of our model, we compare the output in terms of sea-surface heights to altimetric measurements provided by AVISO. In-situ data of ocean bottom pressure measured in the ACC path adds to the observational database. The study area is especially promising as, additionally, we can show whether the simulations of an integrated ocean bottom pressure signal correspond to the residuals in measurements of the Superconducting Gravimeter in Sutherland, South Africa.
    Keywords: 550 - Earth sciences
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  • 77
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  • 78
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    In:  Aeronomy of the Earth’s Atmosphere and Ionosphere | IAGA Special Sopron book series ; vol. 2, pt. 4
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  • 79
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    In:  Lecture Notes from the Summer School of DFG SPP1257 Global Water Cycle | Schriftenreihe Institut für Geodäsie und Geoinformation ; 30
    Publication Date: 2020-02-12
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  • 80
    Publication Date: 2020-02-12
    Description: Oil-producing sills are commonly considered atypical reservoirs, although they can hold significant exploration potential. The need for a better understanding of fracture properties and petroleum system characteristics for this and similar igneous rock plays is the main motivation of our study. We explore the evolution of this play type by an analysis of the Los Cavaos oil field, located in the Malargue fold belt of the Neuquen Basin, Argentina, integrating multiscale fracture data from outcrops and subsurface. The field was created by a combination of intrusions and mild Miocene-Pliocene inversion. Production stems from thick cavity zones in naturally fractured andesitic sills emplaced in Upper Jurassic shale source rocks. Orientation patterns, fracture spacing, and length of fracture sets in the sill are consistent over several orders of magnitude. Large multiply connected and weakly cemented fractures are responsible for excellent interconnectedness in the reservoir. Fracture density is correlated with fault proximity, indicating a cogenetic evolution during active deformation. Abundant fractures in core with strike-slip to oblique striations support transpressional overprint during and after fracture formation. Although it is challenging to separate cooling from tectonic fractures, we propose two phases of fracturing, marked by a coexistence of subvertical and oblique fractures together with transpressional striae. Petrographic evidence suggests initial local oil expulsion and migration through microfractures, with opening displacements of 0.01 to 1 mm, followed by subsequent charging of the evolving intrasill cavity system as well as the bulk fracture system during cooling and mild deformation. We suggest that the observed patterns may be extrapolated to sills in similar geotectonic settings.
    Keywords: 550 - Earth sciences
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  • 81
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    In:  70. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG) (Bochum 2010)
    Publication Date: 2020-02-12
    Description: Der Wasserspiegel des Toten Meeres sinkt rapide um durchschnittlich einen Meter pro Jahr. Dadurch hat der Salzsee bereits ein Drittel seiner Oberfläche verloren. Dies hat u. a. dramatische Auswirkungen auf die einzigartige Ökologie. Entlang der ausgedörrten Ufer bilden sich täglich neue so genannte Erdfälle oder Sinkholes, die bis zu 20 Meter tief sind. Gut 1000 dieser plötzlich einfallenden Sinkholes haben sich inzwischen an der Küstenlinie des Toten Meeres gebildet. Während der Messkampagne zum Dead Sea Integrated Research Project (DESIRE) 2007 wurde das Küstengebiet südlich von Ein Gedi zusätzlich mit einem Laser Mirror Scanner der Firma RIEGL beflogen, um entsprechende Sinkholes zu detektieren. Das Gebiet besitzt eine Ausdehnung von etwa 20 mal 4 km. Die Datenakquirierung erfolgte durch Befliegung in Nord-Süd-Richtung in 20 Streifen und einer Überdeckung von 50%. Für die Auswertung stand die Software TopPIT der Firma Trimble Geospatial zur Verfügung. Ziel der Befliegung ist neben der Berechnung eines Digitales Geländemodells (DGM) die Schaffung einer Bestandsaufnahme bestehender Sinkholes, durch die Veränderungen im Vergleich mit zukünftigen Aufnahmen aufgedeckt werden können. Zudem soll die Leistungsfähigkeit der eingesetzten Messmethode als geeignetes Verfahren nachgewiesen werden.
    Keywords: 550 - Earth sciences
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  • 82
    Publication Date: 2020-02-12
    Description: On 2012 May 20 and 29, two damaging earthquakes with magnitudes Mw 6.1 and 5.9, respectively, struck the Emilia-Romagna region in the sedimentary Po Plain, Northern Italy, causing 26 fatalities, significant damage to historical buildings and substantial impact to the economy of the region. The earthquake sequence included four more aftershocks with Mw ≥ 5.0, all at shallow depths (about 7–9 km), with similar WNW–ESE striking reverse mechanism. The timeline of the sequence suggests significant static stress interaction between the largest events. We perform here a detailed source inversion, first adopting a point source approximation and considering pure double couple and full moment tensor source models. We compare different extended source inversion approaches for the two largest events, and find that the rupture occurred in both cases along a subhorizontal plane, dipping towards SSW. Directivity is well detected for the May 20 main shock, indicating that the rupture propagated unilaterally towards SE. Based on the focal mechanism solution, we further estimate the co-seismic static stress change induced by the May 20 event. By using the rate-and-state model and a Poissonian earthquake occurrence, we infer that the second largest event of May 29 was induced with a probability in the range 0.2–0.4. This suggests that the segment of fault was already prone to rupture. Finally, we estimate peak ground accelerations for the two main events as occurred separately or simultaneously. For the scenario involving hypothetical rupture areas of both main events, we estimate Mw = 6.3 and an increase of ground acceleration by 50 per cent. The approach we propose may help to quantify rapidly which regions are invested by a significant increase of the hazard, bearing the potential for large aftershocks or even a second main shock.
    Keywords: 550 - Earth sciences
    Language: English
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  • 83
    Publication Date: 2020-02-12
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  • 84
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    In:  25th IUGG General Assembly (Melbourne 2011)
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  • 85
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  • 86
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    In:  Geophysical Research Abstracts Vol. 15, EGU2013-3192, 2013
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  • 87
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  • 88
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  • 89
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  • 90
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    In:  International Geological Modelling Conference - GeoMod 2010 (Lisbon, Portugal 2010)
    Publication Date: 2020-02-12
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  • 91
    Publication Date: 2020-02-12
    Description: We present regional-scale mass balances for 25 drainage basins of the Antarctic Ice Sheet (AIS) from satellite observations of the Gravity and Climate Experiment (GRACE) for the years 2002–2011. Satellite gravimetry estimates of the AIS mass balance are strongly influenced by mass movement in the Earth interior caused by ice advance and retreat during the last glacial cycle. Here, we develop an improved glacial-isostatic adjustment (GIA) estimate for Antarctica using newly available GPS uplift rates, allowing us to more accurately separate GIA-induced trends in the GRACE gravity fields from those caused by current imbalances of the AIS. Our revised GIA estimate is considerably lower than previous predictions, yielding an (upper) estimate of apparent mass change of 48 ± 18 Gt yr−1. Therefore, our AIS mass balance of −103 ± 23 Gt yr−1 is considerably less negative than previous GRACE estimates. The Northern Antarctic Peninsula and the Amundsen Sea Sector exhibit the largest mass loss (−25 ± 6 Gt yr−1 and −126 ± 11 Gt yr−1, respectively). In contrast, East Antarctica exhibits a slightly positive mass balance (19 ± 16 Gt yr−1), which is, however, mostly the consequence of compensating mass anomalies in Dronning Maud and Enderby Land (positive) and Wilkes and George V Land (negative) due to interannual accumulation variations. In total, 7% of the area constitute more than half of the AIS imbalance (53%), contributing −151 ± 9 Gt yr−1 to global mean sea-level change. Most of this imbalance is caused by long-term ice-dynamic speed up expected to prevail in the future.
    Keywords: 550 - Earth sciences
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  • 92
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  • 93
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    In:  2. Konferenz Fernerkundung, Stand und Entwicklungstendenzen. Fachtagung Photogrammetrie und Fernerkundung | Veröffentlichungen des Zentralinstituts für Physik der Erde ; 76
    Publication Date: 2020-02-12
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  • 94
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    In:  70. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG) (Bochum 2010)
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 95
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  • 96
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    In:  EmTech (Bangalore, India 2010)
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  • 97
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    In:  Joint Annual Meeting Deutsche Mineralogische Gesellschaft & Geologische Vereinigung e.V. / Sediment (Tübingen, Germany 2013)
    Publication Date: 2020-02-12
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  • 98
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  • 99
    Publication Date: 2020-02-12
    Description: Although studies on stable-carbon isotopes in trees from temperate zones provide abundant paleoclimatic data, tropical trees are still understudied in this context. Therefore this study examined the variability of intra- and inter-annual stable-carbon isotopic pattern in several tree species from various tropical climates. The delta C-13 Values of samples of 12 broadleaved trees (seven species) from various paleotropical and neotropical sites along a climatic moisture gradient were investigated. The inter-annual variability between species and sites was studied. Further the relationship between delta C-13 and precipitation time series was analyzed. Results show that tropical tree species show a similar variability in carbon isotopic composition as temperate tree species. Significant correlations between annual precipitation and tree-ring delta C-13 time series were negative. Successful crossdating of a tree-ring delta C-13 time series highlights the potential of carbon isotope measurements for tropical tree-ring analytical studies. Tropical broadleaved trees are able to capture a carbon isotopic signal in their annual rings even under everwet conditions and show good potential for paleoclimatic research.
    Keywords: 550 - Earth sciences
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  • 100
    Publication Date: 2020-02-12
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