Diurnal asymmetry in surface albedo

Diurnal asymmetry in surface albedo Observed surface albedos do not always exhibit the classical diurnal symmetry associated with the diurnal variation of zenith angle. Morning/afternoon albedo differences observed in even vegetated terrain are found to range on the daily average from 0.01 to 0.05 in magnitude in this study, and they have been found to be as high as 0.1 at a given solar zenith angle in other studies, which influence both reflected and absorbed solar radiation during the course of a day. This diurnal asymmetry in albedo may be explained by the prevailing wind direction, which causes the canopy to lean. The albedo asymmetry also is simulated, taking into account the canopy reclination angle and direction. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agricultural and Forest Meteorology Elsevier

Diurnal asymmetry in surface albedo

Agricultural and Forest Meteorology, Volume 92 (3) – Oct 16, 1998

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Publisher
Elsevier
Copyright
Copyright © 1998 Elsevier Science B.V.
ISSN
0168-1923
D.O.I.
10.1016/S0168-1923(98)00095-1
Publisher site
See Article on Publisher Site

Abstract

Observed surface albedos do not always exhibit the classical diurnal symmetry associated with the diurnal variation of zenith angle. Morning/afternoon albedo differences observed in even vegetated terrain are found to range on the daily average from 0.01 to 0.05 in magnitude in this study, and they have been found to be as high as 0.1 at a given solar zenith angle in other studies, which influence both reflected and absorbed solar radiation during the course of a day. This diurnal asymmetry in albedo may be explained by the prevailing wind direction, which causes the canopy to lean. The albedo asymmetry also is simulated, taking into account the canopy reclination angle and direction.

Journal

Agricultural and Forest MeteorologyElsevier

Published: Oct 16, 1998

References

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