Indian Forum for Water Adroit

Construction of the 500 m resolution daily global surface water change database

Pankaj Dey

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  • Institute : Indian Institute of Science
  • Programming language : MATLAB, R
1. More than 1.9 million tiles of MODIS daily reflectance data were used to create a 16- year record (2001 -2016) of daily water map for the entire globe.

2. The global daily water data set can be openly downloaded by potential users.

3. Global inland water has a dramatic seasonal variation ranging from approximately 3.8 million km2 in September to 1.5 million km2 in February within an annual cycle.
4. Short duration water bodies, sea level rise effects, various types of rice field use can be detected from the daily water data set.
Link to paper: https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018WR023060?af=R
Link to data: http://data.ess.tsinghua.edu.cn/modis_500_2001_2016_waterbody.html
Pankaj
 
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