Estimating the global terrestrial hydrologie cycle through modelling, remote sensing and data assimilation

Ming Pan, Tara J. Troy, Alok K. Sahoo, Justin Sheffield, Eric F. Wood

Research output: Chapter in Book/Report/Conference proceedingConference contribution


This study focuses on water budget estimation using satellite-only data products over 10 continental river basins. A non-satellite merged product (which includes model, in situ and re-analysis data) is also used to evaluate each satellite precipitation (P) and evapotranspiration (ET) product. The water budget estimated from the satellite-only products is found not to close the budget over the river basins. A water budget closure scheme is employed where the budget non-closure error from each water budget component is estimated, and closure is obtained by redistributing the non-closure error using these error statistics. It is found that the satellite precipitation product carries most of the non-closure error.

Original languageEnglish (US)
Title of host publicationRemote Sensing and Hydrology
Number of pages5
StatePublished - 2012
EventRemote Sensing and Hydrology Symposium - Jackson Hole, WY, United States
Duration: Sep 27 2010Sep 30 2010

Publication series

NameIAHS-AISH Publication
ISSN (Print)0144-7815


OtherRemote Sensing and Hydrology Symposium
Country/TerritoryUnited States
CityJackson Hole, WY

All Science Journal Classification (ASJC) codes

  • General Earth and Planetary Sciences


  • Global hydrologic cycle
  • Remote sensing
  • River basins
  • Water budget closure constraint


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