Coupling a Bio-Geo-Chemistry module to HYCOM within the NASA-GISS climate model Anastasia Romanou, Columbia U. and NASA-GISS Rainer Bleck, NASA-GISS Watson.

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Presentation transcript:

Coupling a Bio-Geo-Chemistry module to HYCOM within the NASA-GISS climate model Anastasia Romanou, Columbia U. and NASA-GISS Rainer Bleck, NASA-GISS Watson Gregg, NASA GSFC Gavin Schmidt, NASA-GISS and Nick Tausnev, SGT April 24-26, Stennis Cntr, MS

The solubility, the biological and the carbonate pumps

Radiative Model (OASIM) Winds, SST Layer Depths IOP E d (λ) E s (λ) Sea Ice Winds, ozone, relative humidity, pressure, precip. water, clouds (cover, τ c ), aerosols (τ a, ω a, asym) Dust (Fe) Advection-diffusion Temperature, Layer Depths E d (λ) E s (λ) Phytoplankton, Chlorophyll, Primary Production, Nutrients, DOC, DIC, pCO 2 Spectral Irradiance/Radiance Outputs: Biogeochemical Processes Model Circulation Model (HYCOM) The NASA-GISS climate model

Formulation

Surface concentration of the total chlorophyl and nitrate

Meridional section at 33W Zonal sections at 21.5N

latitude OCEAN CO 2 UPTAKE JUNE JANUARY

Future Developments Seasonal Cycle Daily Variability Skin SST effect Alkalinity Present climate scenario: observed CO2 Anthropogenic Effect Future Climate scenarios

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