Abstract

The spectral diffuse reflectance of various types of desert terrain was measured at 500 A intervals in the spectral range 4000 A to 6500 A. For all types investigated except basaltic lava, the diffuse reflectance increased with increasing wavelength of the incident radiation. In general, the diffuse reflectance at 6500 A was approximately twice that at 4000 A. The various types of surfaces showed large differences in diffuse reflectance; the values ranging from 0.03 to 0.74. Measurements made of radiance from a surface of brush and wind-blown sand showed that the reflection does not follow Lambert’s law.

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  1. S. Chandrasekhar, Radiative Transfer (Clarendon Press, Oxford, England, 1950).
  2. Z. Sekera, University of California, Department of Meteorology, Scientific Report No. 3 (1952).
  3. Z. Sekera and E. V. Ashburn, U. S. Naval Ordnance Test Station NAVORD Report 2061 (1953).
  4. S. Chandrasekhar and Donna D. Elbert, Trans. Am. Phil. Soc. 44, Part 6 (1954), pp. 643–728.
  5. Edward V. Ashburn, J. Atm. and Terrest. Phys. 5, 83–91 (1954).
  6. Robert J. List, Smithsonian Meteorological Tables (Smithsonian Institution Washington, D. C., 1951), sixth revised edition, pp. 442–443.
  7. Rudolf Penndorf, Air Force Cambridge Research. Center, Geophysics Research Directorate, Paper No. 44 (1955).
  8. E. L. Krinov, Spectral Reflectance Properties of Natural Formations (in Russian), 1947, Translation by National Research Council of Canada, Tech. Translation TT–439 Ottawa, 1953.
  9. Ashburn, Pentoney, Hohanshelt, and Weldon, Rev. Sci. Instr. (to be published).
  10. W. E. Knowles Middleton and A. G. Mungall, J. Opt. Soc. Am. 42, 572–579 (1952).

Ashburn, E. V.

Z. Sekera and E. V. Ashburn, U. S. Naval Ordnance Test Station NAVORD Report 2061 (1953).

Ashburn, Edward V.

Edward V. Ashburn, J. Atm. and Terrest. Phys. 5, 83–91 (1954).

Chandrasekhar, S.

S. Chandrasekhar and Donna D. Elbert, Trans. Am. Phil. Soc. 44, Part 6 (1954), pp. 643–728.

S. Chandrasekhar, Radiative Transfer (Clarendon Press, Oxford, England, 1950).

Elbert, Donna D.

S. Chandrasekhar and Donna D. Elbert, Trans. Am. Phil. Soc. 44, Part 6 (1954), pp. 643–728.

Krinov, E. L.

E. L. Krinov, Spectral Reflectance Properties of Natural Formations (in Russian), 1947, Translation by National Research Council of Canada, Tech. Translation TT–439 Ottawa, 1953.

List, Robert J.

Robert J. List, Smithsonian Meteorological Tables (Smithsonian Institution Washington, D. C., 1951), sixth revised edition, pp. 442–443.

Middleton, W. E. Knowles

W. E. Knowles Middleton and A. G. Mungall, J. Opt. Soc. Am. 42, 572–579 (1952).

Mungall, A. G.

W. E. Knowles Middleton and A. G. Mungall, J. Opt. Soc. Am. 42, 572–579 (1952).

Penndorf, Rudolf

Rudolf Penndorf, Air Force Cambridge Research. Center, Geophysics Research Directorate, Paper No. 44 (1955).

Sekera, Z.

Z. Sekera, University of California, Department of Meteorology, Scientific Report No. 3 (1952).

Z. Sekera and E. V. Ashburn, U. S. Naval Ordnance Test Station NAVORD Report 2061 (1953).

Other (10)

S. Chandrasekhar, Radiative Transfer (Clarendon Press, Oxford, England, 1950).

Z. Sekera, University of California, Department of Meteorology, Scientific Report No. 3 (1952).

Z. Sekera and E. V. Ashburn, U. S. Naval Ordnance Test Station NAVORD Report 2061 (1953).

S. Chandrasekhar and Donna D. Elbert, Trans. Am. Phil. Soc. 44, Part 6 (1954), pp. 643–728.

Edward V. Ashburn, J. Atm. and Terrest. Phys. 5, 83–91 (1954).

Robert J. List, Smithsonian Meteorological Tables (Smithsonian Institution Washington, D. C., 1951), sixth revised edition, pp. 442–443.

Rudolf Penndorf, Air Force Cambridge Research. Center, Geophysics Research Directorate, Paper No. 44 (1955).

E. L. Krinov, Spectral Reflectance Properties of Natural Formations (in Russian), 1947, Translation by National Research Council of Canada, Tech. Translation TT–439 Ottawa, 1953.

Ashburn, Pentoney, Hohanshelt, and Weldon, Rev. Sci. Instr. (to be published).

W. E. Knowles Middleton and A. G. Mungall, J. Opt. Soc. Am. 42, 572–579 (1952).

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