Solar irradiance modulation by active regions from 1969 through 1980
β Scribed by Schatten, Kenneth H.; Miller, Nathan; Sofia, Sabatino; Oster, Ludwig
- Book ID
- 119706192
- Publisher
- American Geophysical Union
- Year
- 1982
- Tongue
- English
- Weight
- 214 KB
- Volume
- 9
- Category
- Article
- ISSN
- 1944-8007
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π SIMILAR VOLUMES
The solar irradiance modulation due to active regions during 1980 has been investigated in detail. Specifically, we estimate the uncertainties caused by ground-based data used as input in the modeling effort, and by our currently incomplete knowledge of the proper parameters that describe the angula
## Abstract Irradiance records of the Nimbusβ7 and SMM satellites indicate a systematic downward trend of the solar constant of the order of a few hundredths of a percent and a slow variation of the solar constant on a time scale from days to weeks. The reason for the downward trend is not known as