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. "Appendix C: Solar Reflection Region Measurements." Issues in the Integration of Research and Operational Satellite Systems for Climate Research: Part II. Implementation. Washington, DC: The National Academies Press, 2000.
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FIGURE C.1 Calibration shown in terms of the reflectance of an on-board diffuser.
For sensors that have an on-board diffuser, such as SeaWiFS and MODIS, the sensor output when viewing the diffuser would be
Taking the ratio of these two equations yields the following equation,
Here we have normalized the solar spectral irradiance function at the wavelength λi,