Note: Front Cover -- Biogeochemistry of Marine Dissolved Organic Matter -- Copyright Page -- Contents -- Contributors -- Foreword -- Preface -- Chapter 1. Why Dissolved Organics Matter? -- I. Introduction -- II. DOM Research Pre-1970 -- III. DOM Research in the 1970s -- IV. DOM Research in the 1980s -- V. "New" DON and DOC -- VI. Why Dissolved Organics Matter -- VII. What did we Learn? -- References -- Chapter 2. Analytical Methods for Total DOM Pools -- I. Introduction -- II. Dissolved Organic Carbon Analysis -- III. Dissolved Organic Nitrogen Analysis -- IV. Dissolved Organic Phosphorus Analysis -- V. Multielemental Methods -- VI. The Limits of Elemental Analyses -- VII. The Need for Continual use of Reference Materials -- References -- Chapter 3. Chemical Composition and Reactivity -- I. Introduction -- II. Distribution and Chemical Characteristics of Bulk Marine DOM -- III. Major Topics of Ongoing and Future Research About the Cycling of DOM -- References -- Chapter 4. Production and Removal Processes -- I. Introduction -- II. DOM Production Processes -- III. DOM Removal Processes -- IV. DOM Lability -- V. DOM Accumulation -- VI. Summary -- References -- Chapter 5. Dynamics of DON -- I. Introduction -- II. Concentration and Composition of the DON Pool -- III. Sources of DON -- IV. Sinks for DON -- V. DON Turnover Times -- VI. Summary -- References -- Chapter 6. Dynamics of DOP -- I. Introduction -- II. Terms, Definitions, and Concentration Units -- III. The Early Years of Pelagic Marine P-Cycle Research (1884-1955) -- IV. The Pelagic Marine P-Cycle: Key Pools and Processes -- V. Sampling, Incubation, Storage, and Analytical Considerations -- VI. DOP in the Sea: Variations in Space -- VII. DOP in the Sea: Variations in Time -- VIII. DOP Pool Characterization -- IX. DOP Production, Utilization, and Remineralization -- X. Conclusions and Prospectus. , References -- Chapter 7. Marine Colloids and Trace Metals -- I. Introduction -- II. Definition of Marine Colloids -- III. Analytical Methods -- IV. Metal Content of Marine Colloidal Matter -- V. The Chemical Form of Colloidal Metals -- VI. Particulate-Based Estimates of Colloidal Metal Concentrations -- VII. Sources of Metal-Complexing Colloidal Ligands -- VIII. Measurement of Colloid Reaction Rates -- IX. The Biological Availability of Colloidal Bioactive Metals -- X. Summary -- References -- Chapter 8. Carbon Isotopic Composition of DOM -- I. Introduction -- II. Conventions and Definitions for Expressing Isotopic Contents of DOC -- III. Methods for Extracting DOC from Seawater for Isotopic Analysis -- IV. Measurements and Distributions of δ13C and Δ14C in Marine DOC -- V. Applications of δ13C and (Δ)14C in Marine DOC Cycling Studies -- VI. Summary and Future Challenges -- References -- Chapter 9. Photochemistry and the Cycling of Carbon, Sulfur, Nitrogen and Phosphorus -- I. Introduction -- II. Photochemical Transformation of Riverine and Marsh-Derived DOM Inputs to the Sea -- III. Impact of Photochemistry on Elemental Cycles -- IV. Unresolved Questions and Future Research -- References -- Appendix 1 -- Appendix 2 -- Appendix 3 -- Appendix 4 -- Chapter 10. Chromophoric DOM in the Coastal Environment -- I. Introduction -- II. Optical Properties -- III. Distribution -- IV. Sources and Sinks -- V. Summary and Future Areas of Research -- References -- Chapter 11. Chromophoric DOM in the Open Ocean -- I. Introduction -- II. Characterization of CDOM -- III. Observed CDOM Dynamics -- IV. Global CDOM Distribution Patterns -- V. Relationship Between DOM and CDOM in the Open Ocean -- VI. Implications for Photochemistry and Photobiology -- VII. Needs for Future Advances -- References -- Chapter 12. DOM in the Coastal Zone -- I. Introduction. , II. River Inputs -- III. Estuarine Processes -- IV. Accumulation of DOM in the Coastal Zone and Export Processes -- V. Conclusions -- References -- Chapter 13. Sediment Pore Waters -- I. Introduction -- II. Dissolved Organic Carbon in Sediment Pore Waters -- III. Dissolved Organic Nitrogen (DON) -- IV. DOM Compositional Data -- V. The Role of Benthic DOM Fluxes in the Ocean Carbon and Nitrogen Cycles -- VI. The Role of Pore-Water DOM in Sediment Carbon Preservation -- VII. Conclusions and Suggestions for Future Research -- Appendix: A Description of the DOM Advection/Diffusion/ Reaction Model -- References -- Chapter 14. DOC in the Arctic Ocean -- I. Introduction -- II. Sources of DOC to the Arctic Ocean -- III. Composition and Distribution of DOC within the Arctic Ocean -- IV. Summary of Sources and Sinks -- References -- Chapter 15. DOC in the Global Ocean Carbon Cycle -- I. Introduction -- II. Distribution of DOC -- III. Net Community Production of DOC -- IV. Contribution of DOC to the Biological Pump -- V. Research Priorities -- VI. Summary -- References -- Chapter 16. Modeling DOM Biogeochemistry -- I. Introduction -- II. Ecosystem Modeling Studies -- III. Modeling the Role of DOM in Ocean Biogeochemistry -- IV. Discussion and Conclusions -- References -- Index -- Color Plate Section.