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About this product
- Author(s)M. A. Rashid
- PublisherSpringer-Verlag New York Inc.
- Date of Publication04/04/2012
- GenreEarth Sciences
- Place of PublicationNew York, NY
- Country of PublicationUnited States
- ImprintSpringer-Verlag New York Inc.
- Content Notebiography
- Weight772 g
- Width210 mm
- Height280 mm
- Spine16 mm
- Format DetailsTrade paperback (US)
- Edition StatementSoftcover reprint of the original 1st ed. 1985
- Table Of Contents1 Origin and Distribution of Organic Compounds in the Marine Environment.- Inventory of Organic Carbon.- Geochemical Significance of Carbon-Containing Compounds.- Evolution of Life and Development of Organic Matter.- Beginning of Life on Earth.- Primitive Organisms and their Evolution.- Higher Land Plants and Animals.- Genesis and Survival of Organic Compounds During Geological Time.- Distribution of Organic Matter in Oceans and on Land.- Marine Primary Productivity and Factors Governing Productivity.- Global Marine Primary Productivity.- Terrestrial Productivity and Its Impact on Oceans.- Nature and Fate of Organic Matter.- Transformations of Organic Matter in the Water Column.- Origin, Concentrations and Nature of DOM and POM.- Aggregation, Sedimentation, and Distribution of Organic Matter.- Factors Affecting the Distribution of Organic Matter in Sediments.- Concentration of Organic Carbon in Surficial Sediments.- Summary.- 2 Humification-A Major Biogeochemical Phenomenon.- Nature of Microbial Population.- Bacteria.- Fungi.- Actinomycetes.- Chemical Composition of Organisms.- Some Major Cellular Constituents and Products of their Microbial Degradation.- Proteins and Related Compounds and their Microbial Disintegration.- Carbohydrates, their Related Compounds and their Microbial Decomposition.- Lipids and Related Compounds.- Lignins and Products of their Degradation.- Formation and Transformations of Phenolic Compounds.- Formation of Humus.- Reactions of Phenolic Compounds with Nitrogenous Substances.- Reactions of Amino Acids with Sugars.- Products of Humification.- Factors Influencing Humification.- Distribution of Humic Compounds in the Marine Environment.- Concentrations of Humic Compounds in the Water Column.- Concentrations of Humic Compounds in the Sedimentary Column.- Summary.- 3 Physico-chemical Characteristics of Marine Humic Compounds.- Major Components of Humic Substances.- Major Phenolic and Aromatic Compounds.- Major Aliphatic Constituents.- Structural Configuration.- Stability of Humic Compounds in Geological Times.- Chemical Composition and Characterization.- Elemental Analysis.- Ratios of Different Elements and their Significance.- Isotopic Composition and the Source of Organic Matter.- Functional Groups.- Factors Affecting the Distribution of Functional Groups.- Electro-chemistry of Humic Molecules.- Aliphaticity versus Aromaticity.- Physical Properties.- Some Striking Differences and Similarities in the Physico-chemical Characteristics of Marine and Terrestrial Humic Compounds.- Summary.- 4 Organo-metal Reactions and their Geochemical Significance.- Humus as a Natural Absorbent.- Geochemical Scale of Metal Absorption.- Enrichment of Trace, Transition, and Rare Metals in Humic-Rich Media.- Physico-chemical Properties of Humic Compounds in Relation to Organo-metal Reactions.- Functional Groups and their Role in Organo-metal Interactions.- Molecular Weight Distribution and Organo-metal Reactions.- Surface Area.- Degree of Humification, Nature, and Source of Humic Compounds.- Environmental Factors Affecting Organic Reactions.- Mechanisms of Organo-metal Interactions.- Surface or Physical Adsorption.- Cation Exchange Reactions.- Chelation and Complexing Reactions.- Bonding Strength.- Factors Affecting Bonding Strength.- Measurement of Bonding Strength.- Implications of Organo-metal Reactions.- Geochemical Significance and Sedimentary Base Metal Accumulations.- Economic Implications and Formation of Ores.- Environmental Significance of Organo-metal Reactions.- Ecological Implications.- Research Proposals.- Summary.- 5 Reactions of Humic Compounds with Sedimentary Minerals.- Clay Minerals and their Types.- Structure and Classification of Clay Minerals.- Electrical Charges.- Clay Minerals of Marine Sediments.- Other Minerals.- Physico-chemical Properties of Humic Compounds and Organo-clay Complexes.- Functional Groups.- Molecular Weight of Humic Compounds.- Mechanisms of Organo-clay Interactions.- Chemical Bondings
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