Journal of Korean Society for Atmospheric Environment

Korean Society for Atmospheric Environment (한국대기환경학회)
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Estimation of Total Precipitable Water in East Asia Using the MODIS Satellite Data

  • Park, Seon-Ki (Department of Environmental Science and Engineering, Ewha Womans University)
  • Published : 2003.12.01
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Abstract

In this study. the amounts of the total precipitable water (TPW) in both global and regional scale are estimated from the MODIS instrument, which is on-board the EOS satellites, Terra and Aqua. The estimation is made from the five near-infrared spectral bands, using a technique employing ratios of water- vapor absorbing channels centered at 0.905, 0.936, 0.940 ${\mu}{\textrm}{m}$ with atmospheric window channels at 0.865 and 1.240 ${\mu}{\textrm}{m}$. Through analyses of monthly and eight-days mean TPW, one can monitor characteristics of seasonal variations as well as amount and distribution (i.e., water resources) of TPW at both global and local regions. Long-term monitoring of TPW is essential to understand the regional variations of water resources in East Asia.

Keywords

References

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