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Applied Optics

Applied Optics


  • Vol. 21, Iss. 16 — Aug. 15, 1982
  • pp: 2940–2944

Solar reflection from a regular array of horizontally finite clouds

J. A. Weinman and Harshvardhan  »View Author Affiliations

Applied Optics, Vol. 21, Issue 16, pp. 2940-2944 (1982)

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The reflected flux from a regular array of 2- and 3-D clouds has been computed to estimate the effect of fractional cloud cover on albedos and the solar flux available to heat the earth’s surface. The broken clouds are represented by a regular array of identical cuboids for the 3-D problem and equally spaced, infinitely long, bars for the 2-D problem. A diffusion approximation to the radiative transfer equation is used to compute the fluxes leaving each face of the cloud. Interaction between clouds is simulated by assuming diffuse exitance from the cloud faces and applying angle factors to obtain modified boundary conditions on each cloud face.

© 1982 Optical Society of America

Original Manuscript: April 15, 1982
Published: August 15, 1982

J. A. Weinman and Harshvardhan, "Solar reflection from a regular array of horizontally finite clouds," Appl. Opt. 21, 2940-2944 (1982)

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