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The book gives an overview of the tectonic, geological, potential fields, etc maps of the Arctic that were compiled during geological and geophysical studies conducted in the Arctic over the past 15 years under the International project “Atlas of Geological Maps of the Circumpolar Arctic at a scale of 5M” and presents the results of geological, geophysical, paleogeographic and tectonic studies carried out in the Arctic Ocean and the Eastern Arctic during the implementation of national mapping and scientific programmes and studies intended to provide scientific substantiation for the extension of the continental shelf (ECS). Given its scope, the book will appeal to a wide range of geologists.
Anthony Fiorillo has been exploring the Arctic since 1998. For him, like many others, the Arctic holds the romance of uncharted territory, extreme conditions, and the inevitable epic challenges that arise. For Fiorillo, however, the Arctic also holds the secrets of the history of life on Earth, and its fossils bring him back field season after field season in pursuit of improving human understanding of ancient history. His studies of the rocks and fossils of the Arctic shed light on a world that once was, and provide insight into what might be.
The 5-year Circum-Arctic Lithosphere Evolution (CALE) program developed new constraints on the tectonic history of the central Amerasia basin of the Arctic Ocean. This volume is the final synthesis of the CALE program, which brought together an international team of scientists to develop integrated, multi-disciplinary understanding of the region. This approach, based on the integration of much new geological and geophysical data from onshore and offshore , is necessary to advance our understanding of this basin. Regional onshore-to-offshore transects are central to the 18 papers in this volume. The diverse science supporting these crust-to-mantle regional transects includes structural, geochronological, isotopic, potential fields, and seismic reflection and refraction data. Four chapters present circum-Arctic investigations by the regional CALE teams. The final chapter addresses pan-Arctic themes. This unique collaboration, relying on new data and new syntheses of existing data sheds new light on the history of the Arctic Ocean.
This book corresponds to the fourth volume of the series focused on Processes in GeoMedia and their research on the dynamic of natural systems - geosphere, hydrosphere, atmosphere, and their interactions-, the human contribution to naturally occurring processes are among the most urgent and essential scientific problems. The widespread introduction of computer technology has allowed calculating complex phenomena, previously unavailable for analysis. The creation and improvement of a new generation of geophysical instruments, remote observing systems based on the ship, aircraft, and satellite allow obtaining a large amount of data to reflect the broad picture of the processes objectively. The articles included in this book also reflect a critical position in laboratory modeling of research in geo-environments and testing.
CD-ROM contains: Geographic Information Systems (GIS) Database and Supplementary Data for Chapters.
Although it is generally accepted that the Arctic Ocean is a very sensitive and important region for changes in the global climate, this region is the last major physiographic province of the earth whose short-and long-term geological history is much less known in comparison to other ocean regions. This lack of knowledge is mainly caused by the major technological/logistic problems in reaching this harsh, ice-covered region with normal research vessels and in retrieving long and undisturbed sediment cores. During the the last about 20 years, however, several international and multidisciplinary ship expeditions, including the first scientific drilling on Lomonosov Ridge in 2004, a break-through in Arctic research, were carried out into the central Artic and its surrounding shelf seas. Results from these expeditions have greatly advanced our knowledge on Arctic Ocean paleoenvironments. Published syntheses about the knowledge on Arctic Ocean geology, on the other hand, are based on data available prior to 1990. A comprehensive compilation of data on Arctic Ocean paleoenvironment and its short-and long-term variability based on the huge amount of new data including the ACEX drilling data, has not been available yet. With this book, presenting (1) detailed information on glacio-marine sedimentary processes and geological proxies used for paleoenvironmental reconstructions, and (2) detailed geological data on modern environments, Quaternary variability on different time scales as well as the long-term climate history during Mesozoic-Tertiary times, this gap in knowledge will be filled.*Aimed at specialists and graduates *Presents background research, recent developments, and future trends*Written by a leading scholar and industry expert
The Arctic, in the polar region, the northernmost part of Earth, is the hotspot for climate change assessments and the sensitive barometer of global climate variability. This book includes the scientific observations in the Arctic region’s climate and the results obtained by scientists at the Indian Arctic station Himadri over the past decade. Designed and structured to incorporate multi-dimensional climate change research output, it is a significant contribution toward understanding, among other issues, the role of persistent organic pollutants and mercury, as well as the increase of carbon monoxide during ozone reduction in the Arctic. Features include: Highlights the achievements of climate change research in the Arctic region Includes case studies of scientists in the Arctic and their significant achievements through the Indian research base Himadri Provides a thorough review of palaeoclimate change studies, the impact of climate change on biotic components and the impact of climate change on abiotic components Provides specific details on the study of ozone depletion phenomenon over the Arctic region Covers a wide range of research contributions Details sea ice variability in the context of global warming over the Arctic region Connects seismogenesis with the climate change in the Arctic region This book will be an important read for researchers, students and all interested professionals.