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9 April 2003 Seasonal and global variations of water vapor and high clouds observed with MODIS near-IR channels
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Abstract
The NASA Moderate Resolution Imaging Spectrometer (MODIS) on the Terra Spacecraft has been collecting scientific data since February of 2000. MODIS is a major facility instrument for remote sensing of the atmosphere, land surfaces, and ocean color. On the MODIS instrument, there are five channels located within and around the 0.94-micron water vapor band absorption region for remote sensing of atmospheric water vapor. There is also a channel located at 1.375 micron for detecting thin cirrus clouds. In this paper, we describe the basic principles for using these near-IR channels for remote sensing of water vapor and high clouds. Based on the analysis of two years’ measurements with these channels on the Terra MODIS, we have found that reliable observations of water vapor and high clouds on regional and global scales can be made. We present results on seasonal variations of water vapor and high clouds.
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Bo-Cai Gao, Ping Yang, Yoram J. Kaufman, and Warren J. Wiscombe "Seasonal and global variations of water vapor and high clouds observed with MODIS near-IR channels", Proc. SPIE 4891, Optical Remote Sensing of the Atmosphere and Clouds III, (9 April 2003); https://doi.org/10.1117/12.465974
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