Nighttime cloud properties retrieval using MODIS and artificial neural networks

Details Nighttime cloud properties retrieval using MODIS and artificial neural networks Nighttime cloud properties retrieval using MODIS and artificial neural networks

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009adspr..43..852p&link_type=abstract

Advances in Space Research, Volume 43, Issue 5, p. 852-858.

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Scientific paper

In this work a methodology for inferring water cloud macro and microphysical properties from nighttime MODIS imagery is developed. This method is based on the inversion of a theoretical radiative transfer model that simulates the radiances detected in each of the sensor infrared bands. To accomplish this inversion, an operational technique based on Artificial Neural Networks (ANNs) is proposed, whose main characteristic is the ability to retrieve cloud properties much faster than conventional methods. Furthermore, a detailed study of input data is performed to avoid different sources of errors that appear in several MODIS infrared channels. Finally, results of applying the proposed method are compared with in-situ measurements carried out during the DYCOMS-II field experiment.

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