AIRBORNE OBSERVATIONS OF ALBEDO WITH A BEAM REFLECTOR

P. M. Kuhn Office of Meteorological Research, U. S. Weather Bureau

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V. E. Suomi University of Wisconsin

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Abstract

A conventional Eppley Pyrheliometer was converted into a beam reflector by mounting it, upright, in the prime focus of a parabolic mirror. This unit, attached to an aircraft, provides a means of obtaining reflected short-wave radiation from small areas such as fields, cities, lakes, etc. Results of albedo measurements over parts of South Dakota, Iowa, and Wisconsin are given.

Abstract

A conventional Eppley Pyrheliometer was converted into a beam reflector by mounting it, upright, in the prime focus of a parabolic mirror. This unit, attached to an aircraft, provides a means of obtaining reflected short-wave radiation from small areas such as fields, cities, lakes, etc. Results of albedo measurements over parts of South Dakota, Iowa, and Wisconsin are given.

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