8 December 2008 Validation of MODIS aerosol optical depth retrievals over the China Sea
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Abstract
The AErosol RObotic NETwork(AERONET) provides the necessary ground-based observation to validate and assess the applicability of the latest version MODIS Collection 005 aerosol optical thickness (AOT) products over the China sea for the first time. Based on the two kinds of data, the method of validation was discussed over the China Sea. The validation results show that the MODIS Collection 005 AOT has a good relationship with AERONET AOT and their correlation coefficient is larger than 0.9 over the China Sea; With testing different validation methods, we find the window size of MODIS data can influence the validation result, and the 30kmX30km window size is the best over the China sea. Finally, the comparison of MODIS- and AERONET-derived AOT separately over different regions of the China Sea suggests that MODIS Collection 005 AOT correspond with the error standard of NASA and most of its error can be controlled under ±0.05 ±0.05τ over the China Sea, so MODIS Collection 005 AOT is creditable over the China Sea for science research.
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Xueliang Deng, Xueliang Deng, Dongyan He, Dongyan He, Haiqing Huang, Haiqing Huang, Delu Pan, Delu Pan, } "Validation of MODIS aerosol optical depth retrievals over the China Sea", Proc. SPIE 7152, Remote Sensing of the Atmosphere and Clouds II, 71520L (8 December 2008); doi: 10.1117/12.804892; https://doi.org/10.1117/12.804892
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