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CEOS Reference Solar Irradiance Spectrum

The impact of solar variability on the Earth's climate has a long history as a research field, and has also become a hotly debated topic. Although there is strong evidence for this natural forcing to be weak in comparison to that of man-made greenhouse gases, large uncertainties remain regarding the magnitude of the variation of the spectral solar irradiance dataset and thus also on the magnitude of its impacts.

This reference spectrum is recommended by the CEOS Working Group on Calibration and Validation (CEOS WGCV), particularly the Infrared and Visible Optical Sensors Subgroup. Details can be found under the following link:

CEOS Reference Solar Irradiance Spectrum