22 December 2000Eddy resolving nutrient ecodynamics in the global Parallel Ocean Program and connections with trace gases in the sulfur, halogen, and NMHC cycles
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Ecodynamics and the sea-air transfer of climate relevant trace gases are intimately coupled in the oceanic mixed layer. Ventilation of species such as dimethyl sulfide and methyl bromide constitutes a key linkage within the earth system. We are creating a research tool for the study of marine trace gas distributions by implementing coupled ecology-gas chemistry in the high resolution Parallel Ocean Program. The fundamental circulation model is eddy resolving, with cell sizes averaging 0.15 degree. Here we describe ecochemistry integration. Density dependent mortality and iron geochemistry have enhanced agreement with chlorophyll measurements. Indications are that dimethyl sulfide production rates must be adjusted for latitude dependence to match recent compilations. This may reflect the need for phytoplankton to conserve nitrogen by favoring sulfurous osmolytes. Global simulations are also available for carbonyl sulfide, the methyl halides and for nonmethane hydrocarbons. We discuss future applications including interaction with atmospheric chemistry models, high resolution biogeochemical snapshots and the study of open ocean fertilization.
Shaoping Chu andScott Elliott
"Eddy resolving nutrient ecodynamics in the global Parallel Ocean Program and connections with trace gases in the sulfur, halogen, and NMHC cycles", Proc. SPIE 4172, Remote Sensing of the Ocean and Sea Ice 2000, (22 December 2000); https://doi.org/10.1117/12.411691
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Shaoping Chu, Scott Elliott, "Eddy resolving nutrient ecodynamics in the global Parallel Ocean Program and connections with trace gases in the sulfur, halogen, and NMHC cycles," Proc. SPIE 4172, Remote Sensing of the Ocean and Sea Ice 2000, (22 December 2000); https://doi.org/10.1117/12.411691