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Please use this identifier to cite or link to this item:
http://hdl.handle.net/1834/504
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| Title: | New Calculation of Saturation Specific Humidity and Saturation Vapor Pressure in the COLA Atmospheric General Circulation Model |
| Authors: | Marx, L. |
| ASFA Terms: | Atmospheric circulation |
| Issue Date: | Nov-2002 |
| Abstract: | A new method of computing the saturation specific humidity, qs, and saturation vapor
pressure, es, is presented. This has been recently implemented in the Center for Ocean-Land-
Atmosphere Studies (COLA) atmospheric general circulation model (AGCM). The new method
offers high accuracy extending beyond the observed atmospheric temperature domain and yet is
computationally competitive with most other methods used for this calculation. In addition a
corresponding continuous function for the derivative of es with respect to temperature is also
given. An inverse function to es is available as well. Included are small corrections to es to
assure high accuracy. The design of the implementation permits the user to obtain whatever level
of accuracy and detail might be desired. With this even detailed microphysical calculations with
high computational efficiency can be done with small changes when the need arises. |
| URI: | http://hdl.handle.net/1834/504 |
| Appears in Collections: | Miscellaneous
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