Biogeochemistry of Marine Dissolved Organic Matter

Biogeochemistry of Marine Dissolved Organic Matter

2nd Edition - September 29, 2014

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  • Editors: Dennis Hansell, Craig Carlson
  • eBook ISBN: 9780124071537
  • Hardcover ISBN: 9780124059405

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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 of Marine Dissolved Organic Matter, Second Edition, focuses on the chemical constituents of DOM and its biogeochemical, biological, and ecological significance in the global ocean, and provides a single, unique source for the references, information, and informed judgments of the community of marine biogeochemists. Presented by some of the world's leading scientists, this revised edition reports on the major advances in this area and includes new chapters covering the role of DOM in ancient ocean carbon cycles, the long term stability of marine DOM, the biophysical dynamics of DOM, fluvial DOM qualities and fate, and the Mediterranean Sea. Biogeochemistry of Marine Dissolved Organic Matter, Second Edition, is an extremely useful resource that helps people interested in the largest pool of active carbon on the planet (DOC) get a firm grounding on the general paradigms and many of the relevant references on this topic.

Key Features

  • Features up-to-date knowledge of DOM, including five new chapters
  • The only published work to synthesize recent research on dissolved organic carbon in the Mediterranean Sea
  • Includes chapters that address inputs from freshwater terrestrial DOM


Marine scientists and upper-level undergraduate/graduate students studying, particularly those studying chemistry and microbiology

Table of Contents

    • Dedication
    • List of Contributors
    • Foreword
    • Preface
    • Chapter 1: Why Dissolved Organics Matter: DOC in Ancient Oceans and Past Climate Change
      • Abstract
      • Acknowledgements
      • I Overview
      • II Marine Carbon Cycling
      • III Interpreting the Geological Past
      • IV Implications for Future Global Change?
    • Chapter 2: Chemical Characterization and Cycling of Dissolved Organic Matter
      • Abstract
      • Acknowledgments
      • I Introduction
      • II Isolation of DOM from Seawater
      • III Chemical Characterization of DOM
      • IV Links Between DOM Composition and Cycling
      • V Future Research
    • Chapter 3: DOM Sources, Sinks, Reactivity, and Budgets
      • Abstract
      • Acknowledgments
      • 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
    • Chapter 4: Dynamics of Dissolved Organic Nitrogen
      • Abstract
      • Acknowledgments
      • 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
    • Chapter 5: Dynamics of Dissolved Organic Phosphorus
      • Abstract
      • Acknowledgments
      • 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
    • Chapter 6: The Carbon Isotopic Composition of Marine DOC
      • Abstract
      • Acknowledgments
      • 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
    • Chapter 7: Reasons Behind the Long-Term Stability of Dissolved Organic Matter
      • Abstract
      • Acknowledgments
      • I Introduction: The Paradox of DOM Persistence
      • II The Environment Hypothesis
      • III The Intrinsic Stability Hypothesis
      • IV The Molecular Diversity Hypothesis
      • V Concluding Remarks
    • Chapter 8: Marine Photochemistry of Organic Matter: Processes and Impacts
      • Abstract
      • Acknowledgments
      • 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 Modeling Photochemical Rates and Impact on Marine Carbon Cycling
      • VI Future Directions
    • Chapter 9: Marine Microgels
      • Abstract
      • Acknowledgments
      • 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
    • Chapter 10: The Optical Properties of DOM in the Ocean
      • Abstract
      • Acknowledgments
      • 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
    • Chapter 11: Riverine DOM
      • Abstract
      • Acknowledgments
      • I Introduction
      • II Land Transport
      • III Riverine DOM Composition
      • IV Anthropogenic Influences
    • Chapter 12: Sediment Pore Waters
      • Abstract
      • Acknowledgments
      • 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 Modeling 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
    • Chapter 13: DOC in the Mediterranean Sea
      • Abstract
      • Acknowledgments
      • 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
    • Chapter 14: DOM in the Arctic Ocean
      • Abstract
      • Acknowledgments
      • I Introduction
      • II Composition of DOC Within the Arctic Ocean
      • III Distribution and Mass Balance of DOM
    • Chapter 15: Modeling DOM Biogeochemistry
      • Abstract
      • Acknowledgments
      • I Introduction
      • II Modeling Approaches
      • III Modeling the Role of DOM in Ocean Biogeochemistry
      • IV Lability in Focus: Concepts and Definitions
      • V Discussion
    • Index

Product details

  • No. of pages: 712
  • Language: English
  • Copyright: © Academic Press 2014
  • Published: September 29, 2014
  • Imprint: Academic Press
  • eBook ISBN: 9780124071537
  • Hardcover ISBN: 9780124059405

About the Editors

Dennis Hansell

Hansell was raised in the San Francisco Bay Area, receiving a bachelor’s degree in biology at Humboldt State University. He was awarded a masters degree in fisheries science at Auburn University and a doctorate in oceanography at the University of Alaska Fairbanks in 1989, with a focus on the nitrogen cycle of subarctic seas. He was awarded postdoctoral opportunities at the Univ. of California, Santa Cruz and at the Univ. of Washington, then built a research laboratory at the Bermuda Institute of Ocean Science (BIOS). In 2001, he was appointed Professor at the Rosenstiel School of Marine and Atmospheric Science (RSMAS) at the University of Miami.

Hansell’s research on dissolved organic matter, particularly the cycling of carbon through that pool, has been strongly supported by the U.S. National Science Foundation. Research opportunities arose through his involvement with the U.S. Joint Global Ocean Flux (JGOFS) and the World Ocean Circulation Experiment (WOCE) projects. These projects led to research in all of the major ocean basins and several marginal seas. His laboratory has supported oceanic time-series, process studies and ocean basin-spanning surveys (long lines). He continues in these studies today, including the Repeat Hydrography project organized by U.S. CLIVAR. He has published >100 journal articles and chapters on ocean biogeochemistry.

Amongst many services, Hansell was chairman of the U.S. Carbon Cycle Science

Steering Group and chairman of the Division of Marine and Atmospheric Chemistry at RSMAS. He presently serves as a member of the International Scientific Advisory Committee, Centro De Investigación En Ecosistemas De La Patagonia, Coyhaique, Aysén, Chile, as a member of the Board of Trustees of BIOS, and as a member of the Advisory Board, Florida Center for Ocean Sciences Education Excellence (COSEE). He was elected to give the 2014 Sverdrup Lecture by the Ocean Sciences Section of the American Geophysical Union.

Affiliations and Expertise

University of Miami, FL, USA

Craig Carlson

Craig Carlson

Carlson grew up in New England and received his Bachelor’s degree from Colby College (Waterville, ME) in 1986 and his Ph.D. from University of Maryland’s Horn Point Laboratory in Cambridge MD in 1994. His graduate research focused on microbial ecology and how microbes process dissolved organic matter in open ocean systems. Much of his graduate work was conducted in the Sargasso Sea in conjunction with the Bermuda Atlantic Time-series Study (BATS) site. He moved to the Bermuda Institute for Ocean Science (BIOS) in 1994 for his post doctoral work where he focused on the focused on the biogeochemistry of dissolved organic matter in the oceanic systems of the Southern Ocean and the North Atlantic Subtropical Gyre. In 1996 he joined the faculty of BIOS where he initiated programs in microbial oceanography. In 2001 Carlson accepted a faculty position at the University of California, Santa Barbara where he is now a full professor.

Carlson’s research interests, supported by the U.S. National Science Foundation, continue to be shaped by an interdisciplinary blend of marine microbiology and organic biogeochemistry. Specifically his research has focused on the role marine microbes play in the cycling of elements through oceanic dissolved organic matter (DOM) and the biogeochemical significance of DOM in the marine carbon cycle. His earlier work demonstrated the importance of DOM in ocean biogeochemistry and carbon export in the ocean and subsequent work showed how microbial processing of DOM affects its quantity and character through time and space. In 2002 received the American Geophysical Union’s Ocean Science Early Career Award for his contributions towards the understanding of the ocean carbon cycle.

Carlson currently serves as Vice-Chair of the Ocean Carbon Biogeochemistry committee, is the Chair of the Ecology, Evolution and Marine Biology Department at UCSB and is Co-editor of The Annual Reviews of Marine Science. His hobbies include following New England Sports, cycling and wood working.

Affiliations and Expertise

University of California, Santa Barbara, USA

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