Reports

Initial Solar Irradiance Determinations from Nimbus 7 Cavity Radiometer Measurements

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Science  18 Apr 1980:
Vol. 208, Issue 4441, pp. 281-283
DOI: 10.1126/science.208.4441.281

Abstract

Preliminary results from solar radiation measurements from the earth radiation budget experiment on the Nimbus 7 satellite yield a mean value of 1376.0 watts per square meter for the "solar constant" from 16 November 1978 to 15 May 1979. The observed variability (root-mean-square deviation) is ± 0.73 watt per square meter0.05 percent) for the period.

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