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  • 1
    Online Resource
    Online Resource
    Oxford :Oxford University Press,
    Keywords: Global warming. ; Climatic changes. ; Electronic books.
    Description / Table of Contents: Global Warming is one of the most controversial scientific issues of the twenty first century. This book provides an informative, up-to-date, and readable book about the predicted impacts of global warming and the surprises that could be in store for us in the near future.
    Type of Medium: Online Resource
    Pages: 1 online resource (185 pages)
    Edition: 2nd ed.
    ISBN: 9780191517990
    DDC: 363.738/74
    Language: English
    Note: Preliminaries -- Contents -- Acknowledgements -- Abbreviations -- List of illustrations -- Introduction -- What is global warming -- A brief history of the global warming hypothesis -- Your viewpoint determines the future -- What is the evidence for climate change -- How do you model the future -- What are the possible future impacts of global warming -- Surprises -- Politics -- What are the alternatives -- Conclusion -- Further reading -- Index.
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  • 2
    Online Resource
    Online Resource
    Les Ulis :EDP Sciences,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (206 pages)
    Edition: 1st ed.
    ISBN: 9782759826896
    Series Statement: ChronoSciences Series
    Language: French
    Note: Intro -- Le changementclimatique -- Remerciements -- Préface de l'édition anglaise -- 1. Qu'est-ce que le changement climatique ? -- 2. Histoire du changement climatique -- 3. L'évidence d'un changement climatique -- 4. La modélisation des climats -- 5. Les impacts du changement climatique -- 6. Quand le climat nous surprend -- 7. La politique et le changement climatique -- 8. Des solutions -- 9. Changer notre futur -- Lectures complémentaires -- Index.
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  • 3
    Online Resource
    Online Resource
    Newark :John Wiley & Sons, Incorporated,
    Keywords: Climatic changes. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (327 pages)
    Edition: 1st ed.
    ISBN: 9781118482667
    DDC: 363.341
    Language: English
    Note: Intro -- Title page -- Copyright page -- Contents -- List of contributors -- Preface -- 1: Hazardous responses of the solid Earth to a changing climate -- Summary -- Introduction -- Climate change as a driver of geological and geomorphological hazards at glacial-interglacial transitions -- Projected future climate changes and the potential for a geospheric response -- Climate forcing of hazards in the geosphere -- High latitude regions -- Ocean basins and margins -- Mountainous terrain -- Volcanic landscapes -- Conclusions -- Acknowledgements -- References -- 2: Projected future climate changes in the context of geological and geomorphological hazards -- Summary -- Introduction -- Climate change research: informing mitigation and adaptation -- Modelling the climate -- Emission scenarios -- Climate change projections -- Using climate projections to inform mitigation and adaptation -- Regional climate change -- Climate forcing of hazards in the geosphere -- Global oceans -- High-latitude regions -- Mountain regions -- Volcanic landscapes -- Conclusions -- Acknowledgements -- References -- 3: Climate change and collapsing volcanoes: evidence from Mount Etna, Sicily -- Summary -- Introduction -- Lateral collapse at Mount Etna -- Flank failure and watershed abandonment at Mount Etna -- Cosmogenic 3He exposure dating of channel abandonment at Mount Etna -- Results and interpretations -- Implications of exposure ages for the formation of the Valle del Bove -- Nature of the collapse mechanism -- Conclusion -- Acknowledgements -- References -- 4: Melting ice and volcanic hazards in the twenty-first century -- Summary -- Introduction -- What are hazards for ice- and snow-covered volcanoes, and where are they found? -- Hazards for ice- and snow-covered volcanoes -- Pertubation of ice and snow by volcanic activity -- Explosive eruptions. , Edifice instability and collapse -- How is ice thickness on volcanoes currently changing? -- Ice thinning due to climate change -- Ice thinning due to volcanic and geothermal activity -- How has ice recession affected volcanic activity in the past? -- Evidence for accelerated volcanism triggered by deglaciation -- Edifice collapse triggered by ice recession -- How does the rate and extent of current ice melting compare with past changes? -- How might hazards be affected by melting of ice and snow? -- Ice unloading may encourage more explosive eruptions -- Ice unloading and increased melting may trigger edifice stability -- Melting of ice and snow may decrease the likelihood and magnitude of meltwater floods -- What are the likely effects of twenty-first century climate change on hazards at ice-covered volcanoes? -- Increased magma production and eruption in Iceland? -- Increased magma production and eruption globally? -- Potential effects on volcanic hazards -- Was the 2010 eruption of Eyjafjallajökull triggered by climate change? -- Gaps in our knowledge and targets for future research -- Future work required -- Acknowledgements -- References -- 5: Multiple effects of ice load changes and associated stress change on magmatic systems -- Summary -- Introduction -- Effects of glacial unloading on deep magma generation -- Influence on magma capture in the crust -- Influence on shallow magma chambers -- Discussion and conclusions -- References -- 6: Response of faults to climate-driven changes in ice and water volumes at the surface of the Earth -- Summary -- Introduction -- General model set-up and results -- Case studies -- Scandinavia -- Basin-and-Range Province -- Implications for other formerly glaciated mountain ranges and for regions currently experiencing ice-mass loss -- Conclusions -- Acknowledgements -- References. , 7: Does the El-Niño - Southern Oscillation influence earthquake activity in the eastern tropical Pacific? -- Summary -- Introduction -- ENSO and the seismicity of the East Pacific Rise -- Origins and distribution of seismic activity on the East Pacific Rise -- Three different sources of seismic activity on the EPR -- Pore fluids and permeability in mid-ocean ridge systems compared with continental crust: implications for possible mechanisms of linkage between ENSO and EPR earthquakes -- Sea levels, plate flexure and EPR seismicity -- Statistical modelling of sea level and ENSO influence on earthquakes -- Zero-inflated Poisson regression model -- ENSO results -- Sea-level results -- Evaluation of alternative hypotheses -- Discussion -- Conclusion -- Acknowledgements -- References -- 8: Submarine mass failures as tsunami sources - their climate control -- Summary -- Introduction -- Submarine mass failures -- Landslide territories -- Open continental slope and eise -- Glaciated margins -- Glacially influenced margins -- Non-glaciated margins -- Other areas -- SMFs, tsunamis and climate control -- Temporal relationships between climate change and SMFs -- Does climate influence preconditioning of submarine sediment sequences to mass failure? -- Climate change as a trigger mechanism for SMFs -- Climate and sea-level change, and the preservation potential of tsunami sediments from SMFs -- Conclusions -- Acknowledgements -- References -- 9: High-mountain slope failures and recent and future warm extreme events -- Summary -- Introduction -- Case studies -- Central Southern Alps, New Zealand -- Alaskan case histories -- Monte Rosa, Alps -- Assessing changes in warm event frequencies based on RCM simulations -- Discussion and conclusions -- Acknowledgements -- References -- 10: Impacts of recent and future climate change on natural hazards in the European Alps. , Summary -- Introduction -- Aims and structure of this chapter -- Climate and environment of the European Alps -- Future climate patterns in the European Alps -- The 2003 heatwave and its impacts -- The 2005 flood event and its impacts -- Discussion -- Implication for natural hazard and risk management -- Conclusions and wider implications -- References -- 11: Assessing the past and future stability of global gas hydrate reservoirs -- Summary -- Introduction -- Gas hydrate structure -- Where are gas hydrates found? -- How much gas hydrate is there? -- Formation and break down of gas hydrates -- Hydrates and past climate changes -- Carbon isotope excursion at the Cretaceous-Tertiary boundary -- Paleocene/Eocene PETM -- A forcing role for methane in the Quaternary glacial to interglacial cycles -- Future global gas hydrate hazards -- Permafrost regions -- Marine risks -- Catastrophic submarine slope failures -- Conclusions -- Acknowledgements -- References -- 12: Methane hydrate instability: a view from the Palaeogene -- Summary -- Introduction -- The PETM and methane hydrates -- Sedimentological evidence for Palaeogene mass movements -- Magnitude of PETM carbon release -- PETM climate sensitivity -- Concluding remarks -- Acknowledgements -- References -- Index.
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  • 4
    Online Resource
    Online Resource
    Oxford :Oxford University Press, Incorporated,
    Keywords: Human ecology--Africa. ; Electronic books.
    Description / Table of Contents: What drove the evolution of humans, with our uniquely big brains? The Cradle of Humanity presents fascinating and controversial new research which suggests that the geological and climatic history of East Africa's Rift Valley are at the heart of the answer.
    Type of Medium: Online Resource
    Pages: 1 online resource (257 pages)
    Edition: 1st ed.
    ISBN: 9780191009709
    DDC: 599.93/8
    Language: English
    Note: Cover -- The Cradle of Humanity: How the changing landscape of Africa made us so smart -- Copyright -- Dedication -- FOREWORD -- ACKNOWLEDGEMENTS -- CONTENTS -- LIST OF FIGURES -- 1: Introduction -- In the beginning -- Ten key steps in human evolution -- 1. Origin of life -- 2. Origin of complex life -- 3. Evolution of mammals -- 4. Extinction of the dinosaurs -- 5. Evolution of social primates -- 6. Evolution of hominins -- 7. Bipedalism -- 8. Brain expansion -- 9. Cumulative culture -- 10. Agriculture and industrial revolutions -- 2: Early Human Evolution -- Five stages of human evolution -- Stage 1: Earliest hominins -- Stage 2: Appearance of Australopithecus -- Stage 3: Homo and Paranthropus -- Stage 4: Homo erectus -- Stage 5: The journey towards Homo sapiens -- 3: Tectonics and Climate -- Horizontal tectonics -- Latitudinal continents -- Longitude continents -- Deep ocean circulation -- Monsoons -- Vertical tectonics -- Atmospheric barriers -- Volcanic eruptions -- Icehouse and greenhouse worlds -- 4: Cradle of Humanity -- Formation of the East Africa Rift System -- Rifting influence on climate and vegetation -- Changing landscapes and the origins of bipedalism -- 5: Global Climate Change -- Super-lush Earth -- Growth of ice sheets -- What caused the big freeze? -- The Great Salt Crisis -- Appearance of tropical grasses -- The Panama Paradox -- Why 2.5 million years ago? -- The tropics react to the ice ages -- Longer, deeper, more intense ice ages -- Unstable ice ages -- 6: Celestial Mechanics -- Orbital forcing -- Waxing and waning of the great ice ages -- Glacial-interglacial cycles -- Orbital forcing and the African climate -- East African Rift System lakes -- 7: African Climate Pulses -- Theories of evolution -- Theories of early human evolution -- Pulsed climate variability -- Human evolution within the new framework. , Hominin dispersals -- 8: The Social Brain -- What good is a large brain? -- Group size: the magic number 150 -- Our expensive brain -- Language -- Sexual behaviour and human evolution -- The Homo sapiens problem -- Self-domestication of humans -- Equality improves networking -- Dispersal of modern humans -- Neanderthals -- 9: The Future of Humanity -- Evidence for the Anthropocene -- Human drivers of evolution -- Anthropocene paradigm shift -- The future of human evolution -- Homo dominatus -- REFERENCES AND FURTHER READING -- Chapter 1: Introduction -- Books -- Chapter 2: Early Human Evolution -- Books -- Journals and chapters -- Chapter 3: Tectonic s and Climate -- Books -- Journals -- Chapter 4: Cradle of Humanity -- Books -- Journals -- Chapter 5: Global Climate Change -- Books -- Journals and chapters -- Chapter 6: Celestial Mechanic s -- Books -- Journals and chapters -- Chapter 7: Afric an Climate Pulses -- Books -- Journals and chapters -- Chapter 8: The Soci al Brain -- Books -- Journals and chapters -- Chapter 9: The Future of Humanity -- Books -- Journals and chapters -- INDEX -- ORIGINS: The Scientific Story of Creation -- THE IMPROBABLE PRIMATE: How Water Shaped Human Evolution.
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  • 5
    Book
    Book
    Washington, D.C. : American Geophysical Union
    Keywords: Paleoclimatology ; Climatic changes ; Ocean circulation ; Aufsatzsammlung ; Paläoklimatologie ; Meeresströmung ; Klimaänderung
    Type of Medium: Book
    Pages: VIII, 293 S. , graph. Darst., Kt.
    ISBN: 087590985X
    Series Statement: Geophysical monograph series 126
    DDC: 551.6/09/01
    RVK:
    RVK:
    Language: English
    Note: Includes bibliographical references
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  • 6
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the context of gradual Cenozoic cooling, the timing of the onset of significant Northern Hemisphere glaciation 2.7 million years ago is consistent with Milankovitch's orbital theory, which posited that ice sheets grow when polar summertime insolation and temperature are low. However, the ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 440 (2006), S. 408-408 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir Emilio Artacho, in Correspondence (“Reader-appeal should not outweigh merit of research” Nature 439, 534; 200610.1038/439534d), raises an important point concerning the growing tension between merit and appeal ...
    Type of Medium: Electronic Resource
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  • 8
    Publication Date: 2016-09-05
    Description: Eight time slices of surface-water paleoceanography were reconstructed from stable isotope and paleotemperature data to evaluate late Quaternary changes in density, current directions, and sea-ice cover in the Nordic Seas and NE Atlantic. We used isotopic records from 110 deep-sea cores, 20 of which are accelerator mass spectrometry (AMS)-14C dated and 30 of which have high (〉8 cm /kyr) sedimentation rates, enabling a resolution of about 120 years. Paleotemperature estimates are based on species counts of planktonic foraminifera in 18 cores. The δ18O and δ13C distributions depict three main modes of surface circulation: (1) The Holocene-style interglacial mode which largely persisted over the last 12.8 14C ka, and probably during large parts of stage 3. (2) The peak glacial mode showing a cyclonic gyre in the, at least, seasonally ice-free Nordic Seas and a meltwater lens west of Ireland. Based on geostrophic forcing, it possibly turned clockwise, blocked the S-N flow across the eastern Iceland-Shetland ridge, and enhanced the Irminger current around west Iceland. It remains unclear whether surface-water density was sufficient for deepwater formation west of Norway. (3) A meltwater regime culminating during early glacial Termination I, when a great meltwater lens off northern Norway probably induced a clockwise circulation reaching south up to Faeroe, the northward inflow of Irminger Current water dominated the Icelandic Sea, and deepwater convection was stopped. In contrast to circulation modes two and three, the Holocene-style circulation mode appears most stable, even unaffected by major meltwater pools originating from the Scandinavian ice sheet, such as during δ18O event 3.1 and the Bölling. Meltwater phases markedly influenced the European continental climate by suppressing the “heat pump” of the Atlantic salinity conveyor belt. During the peak glacial, melting icebergs blocked the eastward advection of warm surface water toward Great Britain, thus accelerating buildup of the great European ice sheets; in the early deglacial, meltwater probably induced a southward flow of cold water along Norway, which led to the Oldest Dryas cold spell.
    Type: Article , PeerReviewed
    Format: text
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  • 9
    Publication Date: 2017-01-23
    Description: The intensification of the Northern Hemisphere Glaciation (INHG) was a major event in the development of the current climate state, and as one of the most productive regions in the world's oceans, the behaviour of the Benguela Upwelling System (BUS) following the INHG is of wide interest. To investigate post-INHG changes in productivity and organic matter accumulation, total organic carbon and biomarker accumulation rates were determined for sediments from COP Site 1083 and compared to alkenone-derived sea surface temperatures and nitrogen isotopic compositions. These data indicate that the interval between 2.6 and 2.4 Ma was characterized by dramatic changes in upwelling intensity and organic carbon export on the northern edge of the modern BUS. The upwelling is reflected by significant changes in alkenone-derived SST estimates between glacial and interglacial intervals, with a total variability of 16 degrees C. The studied interval is also characterized by large changes in organic matter export as reflected by changes in TOC and biomarker accumulation rates, which show maxima during OIS 98 and during the transition from OIS 97 to 96. Intervals of elevated TOC are also characterized by elevated concentrations of sedimentary microbial biomarkers and lower %CaCO(3), suggesting that enhanced delivery of labile organic matter to the seafloor resulted in enhanced remineralisation with released CO(2) being consumed by CaCO(3) dissolution. However, in apparent contrast to recent Pleistocene sediments at the same site, organic matter export after the INHG was not solely driven by upwelling intensity. Of the three Pliocene glacial-interglacial cycles examined (OIS 101 to 96). each is unique with respect to the timing and magnitude of changes in organic matter accumulation. Each is also characterized by different algal assemblages as inferred from biomarker distributions, with OIS 97 and 96 particularly dominated by diatoms. We suggest that these differences reflect the important but evolving role of Southern Ocean waters in the Pliocene BUS: nutrient depletion of SO waters occurred during parts of Pliocene glacial intervals such that even intense upwelling did not persistently result in enhanced organic matter accumulation rates. (C) 2009 Elsevier B.V. All rights reserved.
    Type: Article , PeerReviewed
    Format: text
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  • 10
    Publication Date: 2015-08-28
    Description: Eight time slices of surface-water paleoceanography were reconstructed from stable isotope and paleotemperature data to evaluate late Quaternary changes in density, current directions, and sea-ice cover in the Nordic Seas and NE Atlantic. We used isotopic records from 110 deep-sea cores, 20 of which are accelerator mass spectrometry (AMS)-14C dated and 30 of which have high (〉8 cm /kyr) sedimentation rates, enabling a resolution of about 120 years. Paleotemperature estimates are based on species counts of planktonic foraminifera in 18 cores. The δ18O and δ13C distributions depict three main modes of surface circulation: (1) The Holocene-style interglacial mode which largely persisted over the last 12.8 14C ka, and probably during large parts of stage 3. (2) The peak glacial mode showing a cyclonic gyre in the, at least, seasonally ice-free Nordic Seas and a meltwater lens west of Ireland. Based on geostrophic forcing, it possibly turned clockwise, blocked the S-N flow across the eastern Iceland-Shetland ridge, and enhanced the Irminger current around west Iceland. It remains unclear whether surface-water density was sufficient for deepwater formation west of Norway. (3) A meltwater regime culminating during early glacial Termination I, when a great meltwater lens off northern Norway probably induced a clockwise circulation reaching south up to Faeroe, the northward inflow of Irminger Current water dominated the Icelandic Sea, and deepwater convection was stopped. In contrast to circulation modes two and three, the Holocene-style circulation mode appears most stable, even unaffected by major meltwater pools originating from the Scandinavian ice sheet, such as during δ18O event 3.1 and the Bölling. Meltwater phases markedly influenced the European continental climate by suppressing the “heat pump” of the Atlantic salinity conveyor belt. During the peak glacial, melting icebergs blocked the eastward advection of warm surface water toward Great Britain, thus accelerating buildup of the great European ice sheets; in the early deglacial, meltwater probably induced a southward flow of cold water along Norway, which led to the Oldest Dryas cold spell.
    Type: Article , PeerReviewed
    Format: text
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