Examines the chemical, biological, geological, and physical processes affecting (and affected by) the chemistry of the oceans. Topics include: chemical separation in seawater; the marine carbon cycle and its long-term control on atmospheric CO2; the large-scale interdependence of nutrient distributions and biological productivity, chemical tracers of ocean circulation; and the chemistry of marine sediments, including early diagenesis. Prereq., CHEM 1113/1114 and intro geology and/or oceanography, or equivalent. Restricted to juniors/seniors.