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NOAA Photo Library Image - wea00912

An Angstrom pyranometer, used to measure albebo. Albedo is the ratio of the amount of electromagnetic radiation reflected by a body to the amount incident upon it, commonly expressed as a percentage. Ice has a very high albedo while dark surfaces have low albedo. The measuring element is to the left. In: "Monthly Weather Review," March 1931, p. 118.

Image ID: wea00912, NOAA's National Weather Service (NWS) Collection
Location: Leningrad, U.S.S.R.
Photo Date: 1930 Circa


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