Arctic Ocean Sediments: Processes, Proxies, and Paleoenvironment


Book Description

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




Siberian river run-off in the Kara Sea


Book Description

Within the joint German-Russian research project "Siberian River Run-off (SIRRO)" multidisciplinary studies were carried out in the Ob and Yenisei estuaries and adjacent southern Kara Sea (Arctic Ocean). The overall goal of the project was to extend knowledge on understanding the freshwater and sediment input by the major Siberian rivers and its impact on the environments of the inner Kara Sea. The main results of oceanographical, biological, geochemical, geological and modelling studies are presented in four main chapters: (A) Modern Discharge: Data and modelling; (B) Discharge and biological processes, (C) Discharge and organic carbon cycle, and (D) Discharge and sediment records.




Land-Ocean Systems in the Siberian Arctic


Book Description

The Arctic and its surrounding marginal seas are considered some of the most sensitive elements of the global environment, which may respond rapidly to climate change. However, due to various reasons, our knowledge of the processes which drive the Arctic system today and in the past is still relatively sparse. Based on a multidisciplinary approach, German and Russian scientists describe in this book the natural paleorecords and modern data which were collected over the past 6 years. These marine and terrestrial datasets provide important new insights into the causes, impacts, and feedback mechanisms of this extreme Arctic environment.




Siberian River Run-off in the Kara Sea


Book Description

Within the joint German-Russian research project Siberian River Run-off (SIRRO) multidisciplinary studies were carried out in the Ob and Yenisei estuaries and adjacent southern Kara Sea (Arctic Ocean). The overall goal of the project was to extend knowledge on understanding the freshwater and sediment input by the major Siberian rivers, and its impact on the environments of the inner Kara Sea. The main results of oceanographical, biological, geochemical, geological and modelling studies are presented in four main chapters.




Sedimentation Processes in the White Sea


Book Description

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.




Thru the Bible Vol. 54: The Epistles (1 Peter)


Book Description

Radio messages from J. Vernon McGee delighted and enthralled listeners for years with simple, straightforward language and clear understanding of the Scripture. Now enjoy his personable, yet scholarly, style in a 60-volume set of commentaries that takes you from Genesis to Revelation with new understanding and insight. Each volume includes introductory sections, detailed outlines and a thorough, paragraph-by-paragraph discussion of the text. A great choice for pastors - and even better choice for the average Bible reader and student! Very affordable in a size that can go anywhere, it's available as a complete 60-volume series, in Old Testament or New Testament sets, or individually.




The Significance of Color Banding in the Upper Layers of Kara Sea Sediments


Book Description

The present study was undertaken to evaluate the textural, mineralogical, and geochemical significance of remarkably similar color sequences displayed in the upper layers of sediment cores coll ected in the Kara Sea.