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Natural Sciences > Earth, Atmospheric, and Planetary Sciences > Marine Organic Geochemistry
 Marine Organic Geochemistry  posted by  duggu   on 1/29/2008  Add Courseware to favorites Add To Favorites  
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Abstract/Syllabus:

Repeta, Daniel, and Timothy Eglinton, 12.746 Marine Organic Geochemistry, Spring 2005. (Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed 09 Jul, 2010). License: Creative Commons BY-NC-SA

Carbon reservoirs and flows in the ocean.

The oceanic carbon cycle. (PMEL Carbon Group, NOAA.)

Course Highlights

This course features a selection of lecture notes.

Course Description

This class is designed to provide the student with a global to molecular-level perspective of organic matter cycling in the oceans and marine sediments. Topics include: Organic matter (C,N,P) composition, reactivity and budgets within, and fluxes through, major ocean reservoirs; microbial recycling pathways for organic matter; models of organic matter degradation and preservation; role of anoxia in organic matter burial; relationships between dissolved and particulate (sinking and suspended) organic matter; methods for characterization of sedimentary organic matter; and application of biological markers as tools in oceanography. Both structural and isotopic aspects are covered.

Syllabus

 
 

Overview

This class provides students with an understanding of the distribution of organic carbon (OC) in marine sediments from a global and molecular-level perspective. It 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.

Prerequisites

Permission of instructor.

Grading


ACTIVITIES PERCENTAGES
Proposal/Presentations 50%
Final Exam 50%

Calendar

 
 

Lecturers: TIE=Tim Eglinton; DJR=Dan Repeta; BVM=Ben Van Mooy; CMR=Chris Reddy.


SES # TOPICS LECTURERS KEY DATES
1 Organic Geochemistry Methods I TIE Problem set 1 out
2 Organic Geochemistry Methods II TIE  
3 DOC, DON, DOP Cycling and Composition DJR  
4 DOC, DON, DOP Cycling and Composition (cont.) DJR  
5 DOC, DON, DOP Cycling and Composition (cont.) DJR  
6 DOC, DON, DOP Cycling and Composition (cont.) DJR  
7 Introduction to Molecular Markers TIE  
8 Carbon Isotopes TIE  
9 Carbon Preservation DJR Deadline for selection of proposal topics
10 Carbon Preservation II DJR  
11 Student Prop Presentation (Initial) TIE/DJR Problem set 2 out
12 Particulate Organic Carbon Cycling DJR  
13 Particles, Cape Lookout Bight DJR Students meet with instructors re-proposals
14 Terrestrial Organic Carbon Inputs to Marine Sediments TIE  
15 Terrestrial Organic Carbon Inputs to Marine Sediments II TIE  
16 Molecular Markers as Tools TIE  
17 Radiocarbon in Organic Materials TIE  
18 Biogeochemical Cycling in Anoxic Marine Sediments I DJR  
19 Biogeochemical Cycling in Anoxic Marine Sediments II DJR  
20 Organic Phosphorus BVM  
21 Old Carbon in the Modern Marine Environment TIE  
22 Introduction to Organic Chemicals of Environmental Concern, Chemical and Physical Properties of Contaminants CMR Problem set 1 due
23 Fate of Organic Matter Over Geologic Time TIE  
24 Course Review TIE/DJR  
25 Student Presentations TIE/DJR  
26 Student Presentations (cont.) TIE/DJR Problem set 2 due
  Final Exam    



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