Antarctic Palaeoenvironments And Earth Surface Processes

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Antarctic Palaeoenvironments and Earth-Surface Processes

Author : M.J. Hambrey,P.F. Barker,P.J. Barrett,V. Bowman,B. Davies,J.L. Smellie,M. Tranter
Publisher : Geological Society of London
Page : 497 pages
File Size : 41,7 Mb
Release : 2013-12-05
Category : Science
ISBN : 9781862393639

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Antarctic Palaeoenvironments and Earth-Surface Processes by M.J. Hambrey,P.F. Barker,P.J. Barrett,V. Bowman,B. Davies,J.L. Smellie,M. Tranter Pdf

The volume highlights developments in our understanding of the palaeogeographical, palaeobiological, palaeoclimatic and cryospheric evolution of Antarctica. It focuses on the sedimentary record from the Devonian to the Quaternary Period. It features tectonic evolution and stratigraphy, as well as processes taking place adjacent to, beneath and beyond the ice-sheet margin, including the continental shelf. The contributions in this volume include several invited review papers, as well as original research papers arising from the International Symposium on Antarctic Earth Sciences in Edinburgh, in July 2011. These papers demonstrate a remarkable diversity of Earth science interests in the Antarctic. Following international trends, there is particular emphasis on the Cenozoic Era, reflecting the increasing emphasis on the documentation and understanding of the past record of ice-sheet fluctuations. Furthermore, Antarctic Earth history is providing us with important information about potential future trends, as the impact of global warming is increasingly felt on the continent and its ocean.

Exploration of Subsurface Antarctica

Author : M.J. Siegert,S.S.R. Jamieson,D.A. White
Publisher : Geological Society of London
Page : 252 pages
File Size : 48,5 Mb
Release : 2018-01-08
Category : Science
ISBN : 9781786203229

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Exploration of Subsurface Antarctica by M.J. Siegert,S.S.R. Jamieson,D.A. White Pdf

Our appreciation of glaciological processes in Antarctica suffers from a lack of observations in regions where numerical models indicate the ice sheet to be susceptible to ocean and/or atmospheric warming. The solution lies in the use and development of glacier geophysics. In this volume we present a series of papers that demonstrate how geophysics can be deployed in Antarctica to comprehend: (1) boundary conditions that influence ice flow such as subglacial topography, the distribution of basal water and ice-sheet rheology; (2) phenomena that might affect ice-flow processes, such as complex internal ice-sheet structures and the proposition of large stores of hitherto unappreciated groundwater; and (3) how glacigenic sediments and formerly glaciated terrain on, and surrounding, the continent can inform us about past ice-sheet dynamics. The volume also takes a historical view on developments leading to current knowledge, examines active ice-sheet processes, and points the way forward on how geophysics can advance quantitative understanding of Antarctic ice-sheet behaviour.

Large Igneous Provinces from Gondwana and Adjacent Regions

Author : S. Sensarma,B.C. Storey
Publisher : Geological Society of London
Page : 283 pages
File Size : 54,8 Mb
Release : 2018-02-19
Category : Science
ISBN : 9781786203250

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Large Igneous Provinces from Gondwana and Adjacent Regions by S. Sensarma,B.C. Storey Pdf

Gondwana, comprising more than 64% of the present day continental mass, is home to 33% of large igneous provinces (LIPs) and key to understanding the lithosphere–atmosphere system and related tectonics that influenced global climate and sediment production on Earth. Gondwana has many of the largest LIPs, with areas of 200 000 to 2 000 000 km2. Several Gondwana LIPs erupted near active continental margins as well as within continents. The rifting of continents continued even after LIP emplacement or was aborted by a coeval compression and did not open into an ocean. Important contemporary frontiers include understanding significant amounts of synchronous silicic volcanic rocks in mafic LIPs, bringing better stratigraphic constraints supported by precise age dating and volume estimation of LIPs, the possible link between LIP emplacement and biotic crisis, refinement of the existing petrogenetic models and assessing large eruptions and associated societal risk. This volume covers topics on magma emplacements, petrology and geochemistry, source characteristics, flood basalt–carbonatite linkage, tectonics and geochronology of LIPs distributed in Gondwana continents.

Martian Gullies and their Earth Analogues

Author : S.J. Conway,J.L. Carrivick,P.A. Carling,T. de Haas,T.N. Harrison
Publisher : Geological Society of London
Page : 437 pages
File Size : 43,5 Mb
Release : 2019-01-21
Category : Science
ISBN : 9781786203601

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Martian Gullies and their Earth Analogues by S.J. Conway,J.L. Carrivick,P.A. Carling,T. de Haas,T.N. Harrison Pdf

Gullies on Mars resemble terrestrial gullies involved in the transport of abundant material down steep slopes by liquid water. However, liquid water should not be stable at the Martian surface. The articles in this volume present the two main opposing theories for Martian gully formation: climate-driven melting of surficial water-ice deposits and seasonal dry-ice sublimation. The evidence presented ranges from remote-sensing observations, to experimental simulations, to comparison with Earth analogues. The opposing hypotheses imply either that Mars has been unusually wet in the last few million years or that it has remained a cold dry desert – both with profound implications for understanding the water budget of Mars and its habitability. The debate questions the limits of remote-sensing data and how we interpret active processes on extra-terrestrial planetary surfaces, even beyond those on Mars, as summarized by the review paper at the beginning of the book.

Magmatism in the McMurdo Dry Valleys, Antarctica

Author : Bruce Marsh
Publisher : Cambridge University Press
Page : 291 pages
File Size : 54,6 Mb
Release : 2023-01-31
Category : Science
ISBN : 9781009188517

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Magmatism in the McMurdo Dry Valleys, Antarctica by Bruce Marsh Pdf

The mechanisms of magma movement, chemical differentiation and physical development, are derived from the geochemistry of igneous rocks, and from studying exposures of deep magmatic systems that have since solidified and been uplifted and exposed at the Earth's surface. The Ferrar Magmatic System of the McMurdo Dry Valleys in Antarctica provides an unparalleled example of a complete magmatic-volcanic system exposed in unprecedented detail. This book provides a unique and usual three-dimensional detailed examination of this system, providing insight into many magmatic processes normally unobservable, in particular how basaltic magma moves upwards through the crust, how it entrains, carries and deposits loads of crystals from great depths, and how this all contributes to Earth's evolution. Providing an explanation of how magmatic systems operate and how igneous rocks form, this is an invaluable resource ideal for researchers and graduate students in magma physics, igneous petrology, volcanology, and geochemistry.

The Routledge Handbook of the Polar Regions

Author : Mark Nuttall,Torben R Christensen,Martin Siegert
Publisher : Routledge
Page : 530 pages
File Size : 46,8 Mb
Release : 2018-07-18
Category : Nature
ISBN : 9781317549574

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The Routledge Handbook of the Polar Regions by Mark Nuttall,Torben R Christensen,Martin Siegert Pdf

The Routledge Handbook of the Polar Regions is an authoritative guide to the Arctic and the Antarctic through an exploration of key areas of research in the physical and natural sciences and the social sciences and humanities. It presents 38 new and original contributions from leading figures and voices in polar research, policy and practice, as well as work from emerging scholars. This handbook aims to approach and understand the Polar Regions as places that are at the forefront of global conversations about some of the most pressing contemporary issues and research questions of our age. The volume provides a discussion of the similarities and differences between the two regions to help deepen understanding and knowledge. Major themes and issues are integrated in the comprehensive introduction chapter by the editors, who are top researchers in their respective fields. The contributions show how polar researchers engage with contemporary debates and use interdisciplinary and multidisciplinary approaches to address new developments as well as map out exciting trajectories for future work in the Arctic and the Antarctic. The handbook provides an easy access to key items of scholarly literature and material otherwise inaccessible or scattered throughout a variety of specialist journals and books. A unique one-stop research resource for researchers and policymakers with an interest in the Arctic and Antarctic, it is also a comprehensive reference work for graduate and advanced undergraduate students.

The Antarctic Silverfish: a Keystone Species in a Changing Ecosystem

Author : Marino Vacchi,Eva Pisano,Laura Ghigliotti
Publisher : Springer
Page : 314 pages
File Size : 53,5 Mb
Release : 2017-05-03
Category : Science
ISBN : 9783319558936

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The Antarctic Silverfish: a Keystone Species in a Changing Ecosystem by Marino Vacchi,Eva Pisano,Laura Ghigliotti Pdf

This book encompasses the body of available scientific information on the notothenioid fish Pleuragramma antarctica commonly known as Antarctic silverfish. This plankton-feeder of the intermediate trophic level is the most abundant fish in the coastal regions of high Antarctica, and plays a pivotal ecological role as the main prey of top predators like seals, penguins, whales and Antarctic toothfish. Broad circum-polar distribution, a key role in the Antarctic shelf pelagic ecosystem, and adaptations makes understanding the species’ likely response to environmental change relevant to foresee the potential responses at the local ecosystem level. Additionally, a detailed understanding of the abundance and trophic interactions of such a dominant keystone species is a vital element of informing the development of marine spatial planning and marine protected areas in the Antarctic continental shelf region. Experts in the field provide here unique insights into the evolutionary adaptation, eco-physiology, trophic ecology, reproductive and population ecology of the Antarctic silverfish and provide new clues about its vulnerability in facing the challenges of the ongoing environmental changes.

Past Glacial Environments

Author : John Menzies,Jaap van der Meer
Publisher : Elsevier
Page : 859 pages
File Size : 51,9 Mb
Release : 2017-11-28
Category : Science
ISBN : 9780081005255

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Past Glacial Environments by John Menzies,Jaap van der Meer Pdf

Past Glacial Environments, Second Edition, presents a revised and updated version of the very successful first edition of Menzies’ book, covering a breadth of topics with a focus on the recognition and analysis of former glacial environments, including the pre-Quaternary glaciations. The book is made up of chapters written by various geological experts from across the world, with the editor’s expertise and experience bringing the chapters together. This new and updated volume includes at least 45% new material, along with five new chapters that include a section on techniques and methods. Additionally, this new edition is presented in full color and features a large collection of photographs, line diagrams, and tables with examples of glacial environments and landscapes that are drawn from a worldwide perspective. Informative knowledge boxes and case studies are included, helping users better understand critical issues and ideas. Provides the most complete reference concerning the study of glacial processes and their geological, sedimentological, and geomorphological products Comprised of chapters written by various geological experts from across the world Includes specific case studies to alert readers to important ideas and issues Uses text boxes throughout to explain key concepts from glacial literature Presents full color photographs, line diagrams, and tables throughout

Biodiversity of the Southern Ocean

Author : Bruno David,Thomas Saucède
Publisher : Elsevier
Page : 130 pages
File Size : 50,8 Mb
Release : 2015-10-20
Category : Nature
ISBN : 9780081004852

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Biodiversity of the Southern Ocean by Bruno David,Thomas Saucède Pdf

The Southern Ocean surrounding the Antarctic continent is vast, in particular, its history, its isolation, and climate, making it a unique "laboratory case" for experimental evolution, adaptation and ecology. Its evolutionary history of adaptation provide a wealth of information on the functioning of the biosphere and its potential. The Southern Ocean is the result of a history of nearly 40 million years marked by the opening of the Straits south of Australia and South America and intense cooling. The violence of its weather, its very low temperatures, the formation of huge ice-covered areas, as its isolation makes the Southern Ocean a world apart. This book discusses the consequences for the evolution, ecology and biodiversity of the region, including endemism, slowed metabolism, longevity, gigantism, and its larval stages; features which make this vast ocean a "natural laboratory" for exploring the ecological adaptive processes, scalable to work in extreme environmental conditions. Today, biodiversity of the Southern Ocean is facing global change, particularly in regional warming and acidification of water bodies. Unable to migrate further south, how will she cope, if any, to visitors from the North? Designed for curious readers to discover the immense ocean surrounding the most isolated and most inhospitable continent on the planet. Describes the Southern Ocean facing biodiversification due to global change Authored by scientists with experience of expeditions to the Southern Ocean

Polar Seismology

Author : Masaki Kanao
Publisher : BoD – Books on Demand
Page : 118 pages
File Size : 49,8 Mb
Release : 2018-10-10
Category : Science
ISBN : 9781789235685

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Polar Seismology by Masaki Kanao Pdf

Seismology in polar regions (Arctic and Antarctic) allows us to study the static condition and high-latitude dynamics of the Earth. This book covers the recent developments in seismology in polar regions; observations and networks; international collaboration; heterogeneous structure and dynamics of the lithosphere; deep Earth's interiors observed from high latitudes; characteristics of seismicity and seismic wave propagation; and global tectonics in terms of Earth's history, including the interdisciplinary studies on the interaction between Earth's spheres. Since the International Polar Year (IPY) in 2007/2008 was the most exciting campaign launched within contemporary polar studies, this book observes recent seismological achievements by the IPY, specifically focusing on the seismic signals near the surface associated with cryosphere dynamics and evolution. Topics on cryoseismology, such as glacial earthquake activities, are viewed in terms of global warming. Moreover, observational experiments and long-term monitoring under the extreme conditions in the polar environment are also discussed.

Antarctic Climate Evolution

Author : Fabio Florindo,Martin Siegert,Laura De Santis,Tim Naish
Publisher : Elsevier
Page : 806 pages
File Size : 50,7 Mb
Release : 2021-11-04
Category : Science
ISBN : 9780128191101

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Antarctic Climate Evolution by Fabio Florindo,Martin Siegert,Laura De Santis,Tim Naish Pdf

Antarctic Climate Evolution, Second Edition, enhances our understanding of the history of the world’s largest ice sheet, and how it responded to and influenced climate change during the Cenozoic. It includes terrestrial and marine geology, sedimentology, glacier geophysics and ship-borne geophysics, coupled with results from numerical ice sheet and climate modeling. The book’s content largely mirrors the structure of the Past Antarctic Ice Sheets (PAIS) program (www.scar.org/science/pais), formed to investigate past changes in Antarctica by supporting multidisciplinary global research. This new edition reflects recent advances and is updated with several new chapters, including those covering marine and terrestrial life changes, ice shelves, advances in numerical modeling, and increasing coverage of rates of change. The approach of the PAIS program has led to substantial improvement in our knowledge base of past Antarctic change and our understanding of the factors that have guided its evolution. Offers an overview of Antarctic climate change, analyzing historical, present-day and future developments Provides the latest information on subjects ranging from terrestrial and marine geology to sedimentology and glacier geophysics in the context of Antarctic evolution Fully updated to include expanded coverage of rates of change, advances in numerical modeling, marine and terrestrial life changes, ice shelves, and more

Mountains, Climate and Biodiversity

Author : Carina Hoorn,Allison Perrigo,Alexandre Antonelli
Publisher : John Wiley & Sons
Page : 544 pages
File Size : 49,5 Mb
Release : 2018-02-22
Category : Science
ISBN : 9781119159896

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Mountains, Climate and Biodiversity by Carina Hoorn,Allison Perrigo,Alexandre Antonelli Pdf

Mountains, Climate and Biodiversity: A comprehensive and up-to-date synthesis for students and researchers Mountains are topographically complex formations that play a fundamental role in regional and continental-scale climates. They are also cradles to all major river systems and home to unique, and often highly biodiverse and threatened, ecosystems. But how do all these processes tie together to form the patterns of diversity we see today? Written by leading researchers in the fields of geology, biology, climate, and geography, this book explores the relationship between mountain building and climate change, and how these processes shape biodiversity through time and space. In the first two sections, you will learn about the processes, theory, and methods connecting mountain building and biodiversity In the third section, you will read compelling examples from around the world exploring the links between mountains, climate and biodiversity Throughout the 31 peer-reviewed chapters, a non-technical style and synthetic illustrations make this book accessible to a wide audience A comprehensive glossary summarises the main concepts and terminology Readership: Mountains, Climate and Biodiversity is intended for students and researchers in geosciences, biology and geography. It is specifically compiled for those who are interested in historical biogeography, biodiversity and conservation.

Tectonic, Climatic, and Cryospheric Evolution of the Antarctic Peninsula

Author : John B. Anderson,Julia S. Wellner
Publisher : John Wiley & Sons
Page : 379 pages
File Size : 52,7 Mb
Release : 2013-05-02
Category : Science
ISBN : 9781118671672

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Tectonic, Climatic, and Cryospheric Evolution of the Antarctic Peninsula by John B. Anderson,Julia S. Wellner Pdf

Published by the American Geophysical Union as part of the Special Publications Series. Tectonic, Climatic, and Cryospheric Evolution of the Antarctic Peninsula presents the analysis of data collected during the SHALDRIL program, which sampled the most complete Cenozoic stratigraphic section in the Antarctic Peninsula. The stratigraphic intervals sampled fill major gaps in the existing stratigraphic record in the region, which is believed to have been the last place in Antarctica to become fully glaciated and, as such, the last refugium for plants and animals living on the continent. Providing previously unpublished results from studies aimed at improving our understanding of the changes in climate, glacial setting, and fauna and flora that took place over the past 30 million years, the volume highlights include discussions of marine seismic and drill core records documenting the initial growth and expansion of an ice sheet across the northernmost Antarctic Peninsula continental shelf in the northwestern Weddell Sea. The book features: Detailed vegetation and phytoplankton evolution from greenhouse through icehouse conditions in Antarctica's last refugium Sand grain texture and micromorphology indicating ice sheet control of weathering style Exhumational history around the Drake Passage margins from thermochronology and sediment provenance Comprehensive review of the opening of the ocean passageway between Antarctica and South America and the associated regional tectonics. Tectonic, Climatic, and Cryospheric Evolution of the Antarctic Peninsula will be of interest to geologists, climatologists, and glaciologists interested in climate and cryosphere evolution and those factors that regulate it.

Geological Evolution of Antarctica

Author : Michael Robert Alexander Thomson,J. Alistair Crame,Janet W. Thomson
Publisher : Cambridge University Press
Page : 742 pages
File Size : 50,7 Mb
Release : 1991-05-16
Category : Science
ISBN : 0521372666

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Geological Evolution of Antarctica by Michael Robert Alexander Thomson,J. Alistair Crame,Janet W. Thomson Pdf

Surveys the tectonic evolution of the Antarctic crust and the palaeoenvironmental evolution of Antarctica since the Late Mesozoic.

Antarctic Earth Science

Author : R. L. Oliver,P. R. James,J. B. Jago
Publisher : Cambridge University Press
Page : 722 pages
File Size : 42,5 Mb
Release : 1983
Category : Science
ISBN : 9780521258364

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Antarctic Earth Science by R. L. Oliver,P. R. James,J. B. Jago Pdf

The fourth international symposium on Antarctic Earth Sciences took place in Adelaide, South Australia during the week 16-20 August 1982. This volume contains a record of the centenary activities celebrating Sir Douglas Mawson and the one hundred and seventy-four papers that were presented by delegates for discussion over the five days. Sir Douglas Mawson was part of the first team to reach the magnetic South Pole, a leading geologist and scientific figure during the heroic age of of antarctic exploration. The papers presented during the symposium were divided into fifteen categories covering east and west Antarctica, marine, land and glacial geology, plate tectonics, islands, peninsulas, climatic change and Precambrian and Cenozoic era activity. The two hundred persons from sixteen countries who attended the symposium brought together a wide range of the most current expertise and research to share, of which this volume provides a record.