Overview

"One of the basic concepts of ocean biogeochemistry is that of an ocean with extremely active boundary zones and separation boundaries of extensive biochemical interactions. The areas of these zones are characterized by a sharp decrease of element migration intensity and consequently the decrease in their concentrations gave the boundaries for the naming of the geochemical barriers (Perelman, 1972). For the purposes of biogeo­ chemistry the most important ones are the boundaries of separation between river-sea, ocean-atmosphere, and water-ground (Lisitzin, 1983). The most complicated of them is the river-sea boundary, where the biogeochemical processes are the most active and complicated (Monin and Romankevich, 1979, 1984). The necessity of studying organic matter in rivers, mouth regions and adjoining sea aquatories has been repeatedly pointed out by v.I. Vernadsky (1934, 1960) who noted both the importance of registration of solid and liquid run-off of rivers, coming into the sea, and ""the quality and the character of those elements, which are washed-down into the sea"", emphasizing that ""wash-down of organic substances into the sea is of great value"". The interest in studying organic matter in natural waters, including river and sea waters, has grown considerably over the last 30 years. During this period essential material was collected on the content and composition of organic matter in various types of river waters of the USSR, and this was published in papers by B.A Scopintzev, AD. Semenov, M.V."

Full Product Details

Author:   V.E. Artemyev
Publisher:   Springer
Imprint:   Springer
Edition:   Softcover reprint of the original 1st ed. 1996
Dimensions:   Width: 16.00cm , Height: 1.50cm , Length: 24.00cm
Weight:   0.341kg
ISBN:  

9789401072533

ISBN 10:   9401072531
Pages:   190
Publication Date:   02 October 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

1. Materials and Methods of Study.- 1.1. Regions and Objects of Studies.- 1.2. Organizing of Water and Bottom Sediments Sampling.- 1.3. Methods for Sampling and Sample Analyses.- 2. Organic Substance of River Run-Off.- 2.1. Peculiarities of River Water Chemical Composition.- 2.2. Soils As the Basic Source of Organic Substance in Rivers.- 2.3. Role of River Run-Off for Organic Matter Delivery to Sea Medium.- 2.4. Organic Carbon in Rivers of Various Climatic Zones.- 2.5. Composition of River Organic Matter.- 3. Geochemistry of Dissolved and Suspended Organic Carbon in the Region of River and Sea Water Intermixture.- 3.1. The Region of Intermixture of River and Sea Waters as an Intermediate Link in the “River—Sea” System.- 3.2. Transformation Mechanisms for Dissolved and Suspended Organic Carbon in the Region of River and Sea Water Mixing (the Amazon Estuary—Atlantic Ocean).- 3.3. Behaviour of Organic Matter, Micro-Elements and Primary Production at Various Stages of Water Mixing (Temryuk Bay, Azov Sea).- 3.4. Dissolved and Suspended Organic Carbon and Primary Production in Non-Stratified Estuary (The Taganrog Bay).- 3.5. Biogeochemical Aspects of Cd and Cp Behaviour at the Boundary of River and Sea Water Intermixture (Riga Bay).- 3.6. Seasonal Peculiarities of Cd and Cp Transportation on the River—Sea Section (Dvina Bay).- 3.7. Peculiarities of Cp Transportation in the Region of Intermixture of Waters of Mountain Rivers and Sea (Mzymta River—Black Sea).- 3.8. General Regularities for the Behaviour of Dissolved and Suspended Organic Substances in River and Sea Water Intermixture Regions (Comparative Analysis).- 4. Transformation of Particulate Organic Matter and Organic Matter of Bottom Sediments in River—Sea System.- 4.1. Amazon River—Atlantic Ocean(Tropical Climatic Zone).- 4.2. North Dvina River—White Sea (Northern Climatic Zone).- 4.3. Peculiarities of Particulate Organic Matter Transformation on the Periphery of River—Ocean Water Mixing Area and Ocean Water (Mozambique Channel).- 4.4. Conclusions.- Summary Conclusion.- References.

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