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12.746

Marine Organic Geochemistry

3-0-6 units · Graduate

Provides an understanding of the distribution of organic carbon (OC) in marine sediments from a global and molecular-level perspective. Surveys the mineralization and preservation of OC in the water column and within anoxic and oxic marine sediments. Topics include: OC composition, reactivity and budgets within, and fluxes through, major reservoirs; microbial recycling pathways for OC; models for OC degradation and preservation; role of anoxia in OC burial; relationships between dissolved and particulate (sinking and suspended) OC; methods for characterization of sedimentary organic matter; application of biological markers as tools in oceanography. Both structural and isotopic aspects are covered.

Spring 2005

Topics

  • Organic Geochemistry Methods I
  • Organic Geochemistry Methods II
  • DOC, DON, DOP Cycling and Composition
  • DOC, DON, DOP Cycling and Composition (cont.)
  • Introduction to Molecular Markers
  • Carbon Isotopes
  • Carbon Preservation
  • Carbon Preservation II
  • Student Prop Presentation (Initial)
  • Particulate Organic Carbon Cycling
  • Particles, Cape Lookout Bight
  • Terrestrial Organic Carbon Inputs to Marine Sediments
  • Terrestrial Organic Carbon Inputs to Marine Sediments II
  • Molecular Markers as Tools
  • Radiocarbon in Organic Materials
  • Biogeochemical Cycling in Anoxic Marine Sediments I
  • Biogeochemical Cycling in Anoxic Marine Sediments II
  • Organic Phosphorus
  • Old Carbon in the Modern Marine Environment
  • Introduction to Organic Chemicals of Environmental Concern, Chemical and Physical Properties of Contaminants
  • Fate of Organic Matter Over Geologic Time
  • Course Review
  • Student Presentations
  • Student Presentations (cont.)

Prerequisites & course information

Prereq: Permission of instructor Acad Year 2027-2028: Not offered Acad Year 2028-2029: G (Fall) 3-0-6 units

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