Arctic Ocean Sediments: Processes, Proxies, and Paleoenvironment

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Release : 2008-07-22
Genre : Science
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Book Rating : 852/5 ( reviews)

Arctic Ocean Sediments: Processes, Proxies, and Paleoenvironment - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Arctic Ocean Sediments: Processes, Proxies, and Paleoenvironment write by R. Stein. This book was released on 2008-07-22. Arctic Ocean Sediments: Processes, Proxies, and Paleoenvironment available in PDF, EPUB and Kindle. 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

Sedimentation Processes in the White Sea

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Release : 2019-01-22
Genre : Science
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Book Rating : 110/5 ( reviews)

Sedimentation Processes in the White Sea - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Sedimentation Processes in the White Sea write by Alexander P. Lisitsyn. This book was released on 2019-01-22. Sedimentation Processes in the White Sea available in PDF, EPUB and Kindle. This book presents a new perspective on the sedimentation processes in the White Sea, based on a multidisciplinary research study conducted between 2001 and 2016. It provides a comprehensive review and discusses the latest research findings on the ecosystem of this sub-arctic zone. The topics addressed include suspended particulate matter as a main source and proxy of the sedimentation processes in the White Sea; vertical fluxes of dispersed sedimentary matter and absolute masses in the White Sea; and the development history and quaternary deposits of the modern White Sea basin. The authors closely examine the abundance and species composition of microalgae associations and the environmental conditions in the bottom sediments of the White Sea, namely, heavy metal accumulation and aliphatic and polycyclic aromatic hydrocarbons. The book ends contain a summary of the key conclusions and recommendations. Together with the companion volume Biogeochemistry of the Atmosphere, Ice and Water of the White Sea: The White Sea Environment Part I, it offers an essential source of information for postgraduate students, researchers, and stakeholders alike.

Natural Gas Hydrate - Arctic Ocean Deepwater Resource Potential

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Release : 2013-10-11
Genre : Technology & Engineering
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Book Rating : 082/5 ( reviews)

Natural Gas Hydrate - Arctic Ocean Deepwater Resource Potential - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Natural Gas Hydrate - Arctic Ocean Deepwater Resource Potential write by Michael D. Max. This book was released on 2013-10-11. Natural Gas Hydrate - Arctic Ocean Deepwater Resource Potential available in PDF, EPUB and Kindle. The book is an up-to-date basic reference for natural gas hydrate (NGH) in the Arctic Ocean. Geographical, geological, environmental, energy, new technology, and regulatory matters are discussed. The book should be of interest to general readers and scientists and students as well as industry and government agencies concerned with energy and ocean management. NGH is a solid crystalline material that compresses gas by about a factor of about 164 during crystallization from natural gas (mainly methane) - rich pore waters over time. NGH displaces water and may form large concentrations in sediment pore space. Its formation introduces changes in the geotechnical character of host sediment that allows it to be distinguished by seismic and electric exploration methods. The chemical reaction that forms NGH from gas and water molecules is highly reversible, which allows controlled conversion of the NGH to its constituent gas and water. This can be achieved rapidly by one of a number of processes including heating, depressurization, inhibitor injection, dissolution, and molecular replacement. The produced gas has the potential to make NGH a valuable unconventional natural gas resource, and perhaps the largest on earth. Estimates for NGH distribution, concentration, economic targets, and volumes in the Arctic Ocean have been carried out by restricting the economic target to deepwater turbidite sands, which are also sediment hosts for more deeply buried conventional hydrocarbon deposits. Resource base estimates are based on NGH petroleum system analysis approach using industry-standard parameters along with analogs from three relatively well known examples (Nankai-Japan, Gulf of Mexico-United States, and Arctic permafrost hydrate). Drilling data has substantiated new geotechnical-level seismic analysis techniques for estimating not just the presence of NGH but prospect volumes. In addition to a volumetric estimate for NGH having economic potential, a sedimentary depositional model is proposed to aid exploration in the five different regions around the deep central Arctic Ocean basin. Related topics are also discussed. Transport and logistics for NGH may also be applicable for stranded conventional gas and oil deposits. Arising from a discussion of new technology and methodologies that could be applied to developing NGH, suggestions are made for the lowering of exploration and capital expenses that could make NGH competitive on a produced cost basis. The basis for the extraordinarily low environmental risk for exploration and production of NGH is discussed, especially with respect to the environmentally fragile Arctic region. It is suggested that because of the low environmental risk, special regulations could be written that would provide a framework for very low cost and safe development.

The Oxford Handbook of the Prehistoric Arctic

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Release : 2016
Genre : History
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Book Rating : 959/5 ( reviews)

The Oxford Handbook of the Prehistoric Arctic - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook The Oxford Handbook of the Prehistoric Arctic write by T. Max Friesen. This book was released on 2016. The Oxford Handbook of the Prehistoric Arctic available in PDF, EPUB and Kindle. Despite its extreme climate, the North American Arctic holds a complex archaeological record of global significance. In this volume, leading researchers provide comprehensive coverage of the region's cultural history, addressing issues as diverse as climate change impacts on human societies, European colonial expansion, and hunter-gatherer adaptations and social organization.

Current Topics in Marine Organic Biogeochemical Research

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Release : 2021-02-25
Genre : Science
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Book Rating : 643/5 ( reviews)

Current Topics in Marine Organic Biogeochemical Research - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Current Topics in Marine Organic Biogeochemical Research write by Carol Arnosti. This book was released on 2021-02-25. Current Topics in Marine Organic Biogeochemical Research available in PDF, EPUB and Kindle.