ZHOU Yongbo, BAI Jie, ZHOU Zhuhua, et al. Aerosol optical depth retrieval from FY-3A /MERSI for sand-dust weather over ocean[J]. Journal of Remote Sensing, 2014,18(4):771-787.
ZHOU Yongbo, BAI Jie, ZHOU Zhuhua, et al. Aerosol optical depth retrieval from FY-3A /MERSI for sand-dust weather over ocean[J]. Journal of Remote Sensing, 2014,18(4):771-787. DOI: 10.11834/jrs.20143274.
The Aerosol Optical Depth( AOD) retrieval algorithm for sand-dust weather over ocean is investigated u sing FY-3A /Medium Resolution Spectral imager( MERSI) based on aerosol modes in the MODIS C005 over-ocean algorithm. The AOD( 550 nm) retrieved from MERSI is evaluated with MODIS AOD product( MOD04). Results show a systematic bias in this algorithm. Further analyses reveal that this bias results from the MODIS-available aerosol modes. Therefore
a sand-dust aerosol mode is adopted to modify the MODIS aerosol modes by mixing them at an appropriate ratio. AOD is retrieved a second time based on the modified aerosol modes
and the corresponding results exhibit good consistency with MOD04
indicating that modified aerosol modes are more appropriate for the AOD r etrieval from MERSI for sand-dust weather over ocean.