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An Earth longwave radiation climate modelAn Earth outgoing longwave radiation (OLWR) climate model was constructed for radiation budget study. Required information is provided by on empirical 100mb water vapor mixing ratio equation of the mixing ratio interpolation scheme. Cloud top temperature is adjusted so that the calculation would agree with NOAA scanning radiometer measurements. Both clear sky and cloudy sky cases are calculated and discussed for global average, zonal average and world-wide distributed cases. The results agree well with the satellite observations. The clear sky case shows that the OLWR field is highly modulated by water vapor, especially in the tropics. The strongest longitudinal variation occurs in the tropics. This variation can be mostly explained by the strong water vapor gradient. Although in the zonal average case the tropics have a minimum in OLWR, the minimum is essentially contributed by a few very low flux regions, such as the Amazon, Indonesian and the Congo.
Document ID
19850017673
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Yang, S. K. (Michigan Univ. Ann Arbor, MI, United States)
Date Acquired
September 5, 2013
Publication Date
December 1, 1984
Subject Category
Meteorology And Climatology
Report/Patent Number
REPT-020406-1-F
NAS 1.26:175749
NASA-CR-175749
Accession Number
85N25984
Funding Number(s)
CONTRACT_GRANT: NCC1-76
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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