Estimation of planetary albedo and emission over the Tibetan plateau from AVHRR data

Details Estimation of planetary albedo and emission over the Tibetan plateau from AVHRR data Estimation of planetary albedo and emission over the Tibetan plateau from AVHRR data

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983smrb.rept..138q&link_type=abstract

In Cologne Univ. Satellite Meas. of Radiation Budget Parameters p 138-142 (SEE N84-20044 10-46)

Physics

Advanced Very High Resolution Radiometer, Algorithms, Earth Albedo, Anisotropy, Long Wave Radiation, Radiance, Scattering Functions

Scientific paper

A method of estimating planetary albedo and outgoing long wave flux from TIROS-N AVHRR data is described. Albedo is derived by correction for anisotropy and the integration over all angles for channels 1 and 2 to obtain filtered albedoes. This is estimated by an empirical anisotropy scattering function. Filtered albedo is converted to total albedo. Results confirm that albedo patterns depend on cloud distribution and the nature of the underlying surface. Approximations and uncertainties, such as the use of gross experimental anisotropic factors and the regression equations derived from model calculations, can bias results.

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