Title Biogeochemistry of thermokarst lakes of western Siberia / O.S. Pokrovsky, L.S. Shirokova and S.N. Kirpotin, CNRS, University of Toulouse, Toulouse, France, Institute of Ecological Problems of the North, Arkhangelsk, Russia, Tomsk State University, Tomsk, Russia

Published New York : Nova Publishers, [2014] ©2014

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Description 1 online resource Series Biochemistry research trends Biochemistry research trends series. Contents BIOGEOCHEMISTRY OF THERMOKARST LAKES OF WESTERN SIBERIA; BIOGEOCHEMISTRY OFTHERMOKARST LAKES OFWESTERN SIBERIA; Library of Congress Cataloging-in-Publication Data; Contents; Acknowledgements; Introduction: Thermokarst Lakes of Western Siberia as Dominant Forms of Landscape and Regulators of Greenhouse Gas Exchange with the Atmosphere; Chapter 1 Thermokarst Lakes: Distribution, Cycle of Development, Surface Coverage and Evolution; Chapter 2 Sources of Dissolved Components in Thermokarst Lakes; Underground Feeding; Atmospheric Deposition, Marine Aerosols and Heavy Metal Contamination Chapter 3 Temperature and Gas RegimeChapter 4 Dissolved Organic Carbon; Chapter 5 Microbiology of Thermokarst Lake Systems; Structure and Concentration of Bacterial Communities; Processes of Mineralization of Dissolved Organic Matter; Chapter 6 Trace Elements in Thermokarst Lakes; Chapter 7 Colloids in Thermokarst Lakes; Size Fractionation of Major and Trace Elements during Filtration and Dialysis; Colloidal Speciation Modeling; Chapter 8 Latitude Profile Gradients of Lakes: Substituting Space for Time Chapter 9 Possible Impact of Climate Warming on Stocks and Fluxes of Carbon and Related Elements in Western Siberian LakesConclusions: Thaw Lakes as Indicators of Climate Change; References; Index Summary This book described the current status and possible future changes of the thermokarst (thaw) lakes of western Siberia as dominant forms of landscape and regulators of greenhouse gas exchange within the atmosphere. Thawing permafrost and resulting microbial decomposition of previously frozen organic carbon is one of the most significant terrestrial ecosystem positive feedbacks to a warming climate. Ongoing processes of the permafrost thawing in Western Siberia are likely to increase the surface of water bodies via forming so-called thermokarst lakes, mobilizing the organic carbon (OC) from the Bibliography Includes bibliographical references (pages 135-156) and index Notes Description based on print version record and CIP data provided by publisher Subject Thermokarst. Lakes -- Russia (Federation) -- Siberia SCIENCE -- Earth Sciences -- Geography. SCIENCE -- Earth Sciences -- Geology. Lakes Thermokarst Russia (Federation) -- Siberia Form Electronic book Author Shirkova, L. S., author Kirpotin, S. N., author LC no. 2020688269 ISBN 9781629487991 1629487996

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