Improvement of the GEOS-5 AGCM upon updating the air-sea roughness parameterization

Details Improvement of the GEOS-5 AGCM upon updating the air-sea roughness parameterization Improvement of the GEOS-5 AGCM upon updating the air-sea roughness parameterization

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3818702g&link_type=abstract

Geophysical Research Letters, Volume 38, Issue 18, CiteID L18702

Other

Global Change: Climate Variability (1635, 3305, 3309, 4215, 4513), Global Change: Global Climate Models (3337, 4928), Atmospheric Processes: Boundary Layer Processes, Oceanography: Physical: Air/Sea Interactions (0312, 3339)

Scientific paper

The impact of an air-sea roughness parameterization over the ocean that more closely matches recent observations of air-sea exchange is examined in the NASA Goddard Earth Observing System, version 5 (GEOS-5) atmospheric general circulation model. Surface wind biases in the GEOS-5 AGCM are decreased by up to 1.2m/s. The new parameterization also has implications aloft as improvements extend into the stratosphere. Many other GCMs (both for operational weather forecasting and climate) use a similar class of parameterization for their air-sea roughness scheme. We therefore expect that results from GEOS-5 are relevant to other models as well.

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