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Proceedings Paper

Seasonal and global variations of water vapor and high clouds observed with MODIS near-IR channels
Author(s): Bo-Cai Gao; Ping Yang; Yoram J. Kaufman; Warren J. Wiscombe
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Paper 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.

Paper Details

Date Published: 9 April 2003
PDF: 8 pages
Proc. SPIE 4891, Optical Remote Sensing of the Atmosphere and Clouds III, (9 April 2003); doi: 10.1117/12.465974
Show Author Affiliations
Bo-Cai Gao, Naval Research Lab. (United States)
Ping Yang, Texas A&M Univ. (United States)
Yoram J. Kaufman, NASA Goddard Space Flight Ctr. (United States)
Warren J. Wiscombe, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 4891:
Optical Remote Sensing of the Atmosphere and Clouds III
Hung-Lung Huang; Daren Lu; Yasuhiro Sasano, Editor(s)

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