Present-day atmospheric simulations using GISS ModelE: Comparison to in situ, satellite, and reanalysis data
A full description of the ModelE version of the Goddard Institute for Space Studies (GISS) atmospheric general circulation model (GCM) and results are presented for present-day climate simulations (ca. 1979). This version is a complete rewrite of previous models incorporating numerous improvements in basic physics, the stratospheric circulation, and forcing fields. Notable changes include the following: the model top is now above the stratopause, the number of vertical layers has increased, a new cloud microphysical scheme is used, vegetation biophysics now incorporates a sensitivity to humidity, atmospheric turbulence is calculated over the whole column, and new land snow and lake schemes are introduced. The performance of the model using three configurations with different horizontal and vertical resolutions is compared to quality-controlled in situ data, remotely sensed and reanalysis products. Overall, significant improvements over previous models are seen, particularly in upper-atmosphere temperatures and winds, cloud heights, precipitation, and sea level pressure. Data-model comparisons continue, however, to highlight persistent problems in the marine stratocumulus regions. © 2006 American Meteorological Society.
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- Meteorology & Atmospheric Sciences
- 3708 Oceanography
- 3702 Climate change science
- 3701 Atmospheric sciences
- 0909 Geomatic Engineering
- 0405 Oceanography
- 0401 Atmospheric Sciences
Citation
Published In
DOI
ISSN
Publication Date
Volume
Issue
Start / End Page
Related Subject Headings
- Meteorology & Atmospheric Sciences
- 3708 Oceanography
- 3702 Climate change science
- 3701 Atmospheric sciences
- 0909 Geomatic Engineering
- 0405 Oceanography
- 0401 Atmospheric Sciences