Biogeochemistry of marine dissolved organic matter /

Biogeochemistry of marine dissolved organic matter /

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"Marine-dissolved organic matter (DOM) is a complex mixture of molecules found throughout the world's oceans. It plays a key role in the export, distribution, and sequestration of carbon in the oceanic water column, posited to be a source of atmospheric climate regulation. Biogeochemistry...

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Bibliographic Details
Other Authors: Hansell, Dennis A. (Editor), Carlson, Craig A. (Editor)
Format: Electronic eBook
Language:English
Published: Amsterdam : Academic Press, [2015]
Edition:Second edition.
Subjects:
Seawater > Organic compound content.
Chemical oceanography.
Biogeochemistry.
Online Access:CONNECT
Table of Contents:
  • Machine-generated contents note: 1. Why Dissolved Organics Matter: DOC in Ancient Oceans and Past Climate Change / Sandra Arndt
  • I. Overview
  • II. Marine Carbon Cycling
  • III. Interpreting the Geological Past
  • IV. Implications for Future Global Change?
  • Acknowledgments
  • References
  • 2. Chemical Characterization and Cycling of Dissolved Organic Matter / Daniel J. Repeta
  • I. Introduction
  • II. Isolation of DOM from Seawater
  • III. Chemical Characterization of DOM
  • IV. Links Between DOM Composition and Cycling
  • V. Future Research
  • Acknowledgments
  • References
  • 5. DOM Sources, Sinks, Reactivity, and Budgets / Dennis A. Han Sell
  • I. Introduction
  • II. DOM Production Processes
  • III. DOM Removal Processes
  • IV. DOM Accumulation
  • V. DOM Reactivity
  • VI. The Priming Effect
  • VII. Microbial Community Structure and DOM Utilization
  • VIII. DOC in the Ocean Carbon Budget
  • IX. Summary
  • Acknowledgments
  • References
  • 4. Dynamics of Dissolved Organic Nitrogen / Deborah A. Bronk
  • I. Introduction
  • II. DON Concentrations in Aquatic Environments
  • III. Composition of the DON Pool
  • IV. Sources of DON to the Water Column
  • V. Sinks for DON
  • VI. Summary
  • Acknowledgments
  • References
  • 3. Dynamics of Dissolved Organic Phosphorus / Karin M. Bjorkman
  • 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
  • Acknowledgments
  • References
  • 6. The Carbon Isotopic Composition of Marine DOC / Steven R. Beaupre
  • I. Introduction
  • II. Carbon Isotope Geochemistry Primer
  • III. DOC Isotope Ratio Methods
  • IV. Isotopic Composition of Bulk Marine DOC
  • V. Isotopic Composition of DOM Constituents
  • VI. Summary and Conclusions
  • Acknowledgments
  • References
  • 7. Reasons Behind the Long-Term Stability of Dissolved Organic Matter / Thorsten Dittmar
  • I. Introduction: The Paradox of DOM Persistence
  • II. The Environment Hypothesis
  • III. The Intrinsic Stability Hypothesis
  • IV. The Molecular Diversity Hypothesis
  • V. Concluding Remarks
  • Acknowledgments
  • References
  • 8. Marine Photochemistry of Organic Matter: Processes and Impacts / Aron Stubbins
  • I. Introduction
  • II. Impact of Photochemistry on Elemental Cycles
  • III. DOM Photolability Spectrum and Fate of Terrestrial DOM in the Sea
  • IV. Impact of Photochemistry on Other Marine Processes
  • V. Modelling Photochemical Rates and Impact on Marine Carbon Cycling
  • VI. Future Directions
  • Acknowledgments
  • References
  • 9. Marine Microgels / Caroline Leck
  • I. Introduction
  • II. What Are Polymer Gels?
  • III. Structure, Properties, and Dynamics of Marine Polymer Gels
  • IV. Phase Transition
  • V. Marine Gels in the Atmosphere and Their Relevance for Cloud Formation
  • Acknowledgments
  • References
  • 10. The Optical Properties of DOM in the Ocean / Norman B. Nelson
  • I. Introduction
  • II. UV-Visible Spectroscopy of DOM
  • III. Sources of CDOM to the Marine Environment
  • IV. Removal of CDOM in the Marine Environment
  • V. Distribution
  • VI. Conclusions and Future Research Needs
  • Acknowledgments
  • References
  • 11. Riverine DOM / Robert G.M. Spencer
  • I. Introduction
  • II. Land Transport
  • III. Riverine DOM Composition
  • IV. Anthropogenic Influences
  • Acknowledgments
  • References
  • 12. Sediment Pore Waters / Tomoko Komada
  • I. Preface
  • II. Introduction
  • III. Composition and Dynamics of Bulk Pore Water DOM
  • IV. Composition and Dynamics of DOM at the Compound and Compound-Class Levels
  • V. Modelling DOC Cycling in Marine Sediments
  • VI. Controls on DOC Concentrations in Sediments
  • VII. The Role of Benthic DOM Fluxes in the Ocean Carbon and Nitrogen Cycles
  • VIII. Concluding Thoughts
  • Acknowledgments
  • References
  • 13. DOC in the Mediterranean Sea / Chiara Santinelli
  • I. Introduction
  • II. DOC Distribution at Basin Scale
  • III. The Role of DOC in Carbon Export
  • IV. DOC Inventory and Fluxes
  • V. DOM Stoichiometry
  • VI. DOC Dynamics in the Med Sea, a Comparison with the Oceans
  • VII. Summary
  • VIII. Open Questions
  • Acknowledgments
  • References
  • 14. DOM in the Arctic Ocean / Rainer M.W. Amon
  • I. Introduction
  • II. Composition of DOC Within the Arctic Ocean
  • III. Distribution and Mass Balance of DOM
  • Acknowledgments
  • References
  • 15. Modelling DOM Biogeochemistry / Kevin J. Flynn
  • I. Introduction
  • II. Modelling Approaches
  • III. Modelling the Role of DOM in Ocean Biogeochemistry
  • IV. Lability in Focus: Concepts and Definitions
  • V. Discussion
  • Acknowledgments
  • References.

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