Schools have been assisting NASA with this calibration process since 1997, but now anyone with a smartphone and the app can help ensure that the results from the satellite are tallied with the level of cloud cover below. NASA plans to use the CAS database to find photos taken when one of the satellites was above, and using the information given by the photographer such as variety and density of cloud to calibrate CERES. They hope to find trends in satellite mis-identification of clouds to gain a clearer understanding, and also to gradually develop a global cloud atlas.
Image credit: NOAA.
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