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Papers based on work presented at a conference held at the University of California, Santa Barbara, August 28-31 1991, entitled 'The Role of the Southern Ocean and Antarctica in Global Change : an Ocean Drilling Perspective.' Papers deal with paleoenvironmental data from the Antarctic, including geology, climate, fossils, sediments and the eustatic record.
Published by the American Geophysical Union as part of the Antarctic Research Series, Volume 56. The Antarctic continent and the surrounding Southern Ocean represent one of the major climate engines of the Earth: coupled components critical in the Earth's environmental system. The contributions in this volume help with the understanding of the long-term evolution of Antarctica's environment and biota. The aim of this and the succeeding companion volume is to help place the modern system within a historical context. A large number of workers have contributed much in providing the necessary reviews of the contributions published in this volume; we heartily thank you all: J. B. Anderson, J. H. Andrews, M. P. Aubry, J. A. Barron, G. W. Brass, L. H. Burckle, C. Charles, A. K. Cooper, A. R. Edwards, D. K. Futterer, T. R. Janacek, M. Katz, L. D. Keigwin, L. A. Krissek, D. J. Long, B. P. Luyendyk, K. Moran, J. Morley, S. O'Connell, L. E. Osterman, J. T. Parrish, W. Sliter, R. Stein, J. D. Stewart, K. Takahashi, B. H. Tiffney, E. M. Truswell, W. Wei, J. K. Weissel, B. White, S. W. Wise, Jr., J. A. Wolfe, F. C. Woodruff, A. R. Wyss, J. C. Zachos, and A.M. Ziegler.
Human Colonization of the Arctic: The Interaction Between Early Migration and the Paleoenvironment explores the relationship between humans and the environment during this early time of colonization, utilizing analytical methods from both the social and natural sciences to develop a unique, interdisciplinary approach that gives the reader a much broader understanding of the interrelationship between humanity and the environment. As colonization of the polar region was intermittent and irregular, based on how early humans interacted with the land, this book provides a glance into how humans developed new ways to make the region more habitable. The book applies not only to the physical continents, but also the arctic waters. This is how humans succeeded in crossing the Bering Strait and water area between Canadian Arctic Islands. About 4500 years ago , humans reached the northern extremity of Greenland and were able to live through the months of polar nights by both adapting to, and making, changes in their environment. - Written by pioneering experts who understand the relationship between humans and the environment in the arctic - Addresses why the patterns of colonization were so irregular - Includes coverage of the earliest examples of humans, developing an understanding of ecosystem services for economic development in extreme climates - Covers both terrestrial and aquatic ecosystems
The fossil history of plant life in Antarctica is central to our understanding of the evolution of vegetation through geological time and also plays a key role in reconstructing past configurations of the continents and associated climatic conditions. This book provides the only detailed overview of the development of Antarctic vegetation from the Devonian period to the present day, presenting Earth scientists with valuable insights into the break up of the ancient supercontinent of Gondwana. Details of specific floras and ecosystems are provided within the context of changing geological, geographical and environmental conditions, alongside comparisons with contemporaneous and modern ecosystems. The authors demonstrate how palaeobotany contributes to our understanding of the paleoenvironmental changes in the southern hemisphere during this period of Earth history. The book is a complete and up-to-date reference for researchers and students in Antarctic paleobotany and terrestrial paleoecology.
This memoir is the first to review all of Antarctica’s volcanism between 200 million years ago and the Present. The region is still volcanically active. The volume is an amalgamation of in-depth syntheses, which are presented within distinctly different tectonic settings. Each is described in terms of (1) the volcanology and eruptive palaeoenvironments; (2) petrology and origin of magma; and (3) active volcanism, including tephrochronology. Important volcanic episodes include: astonishingly voluminous mafic and felsic volcanic deposits associated with the Jurassic break-up of Gondwana; the construction and progressive demise of a major Jurassic to Present continental arc, including back-arc alkaline basalts and volcanism in a young ensialic marginal basin; Miocene to Pleistocene mafic volcanism associated with post-subduction slab-window formation; numerous Neogene alkaline volcanoes, including the massive Erebus volcano and its persistent phonolitic lava lake, that are widely distributed within and adjacent to one of the world’s major zones of lithospheric extension (the West Antarctic Rift System); and very young ultrapotassic volcanism erupted subglacially and forming a world-wide type example (Gaussberg).
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.
Addressing the relationship between climatic and biotic evolution, this work focuses on how climatic change during the last 15 million years - especially the last three million - has affected human evolution and other evolutionary events.
Looks at the fossil plant history of Antarctica and its relationship to the global record of environmental and climate change.