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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Adequacy of satellite derived rainfall data for stream flow modeling
Natural Hazards, Volume 43, No. 2, Year 2007
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Description
Floods are the most common and widespread climate-related hazard on Earth. Flood forecasting can reduce the death toll associated with floods. Satellites offer effective and economical means for calculating areal rainfall estimates in sparsely gauged regions. However, satellite-based rainfall estimates have had limited use in flood forecasting and hydrologic stream flow modeling because the rainfall estimates were considered to be unreliable. In this study we present the calibration and validation results from a spatially distributed hydrologic model driven by daily satellite-based estimates of rainfall for sub-basins of the Nile and Mekong Rivers. The results demonstrate the usefulness of remotely sensed precipitation data for hydrologic modeling when the hydrologic model is calibrated with such data. However, the remotely sensed rainfall estimates cannot be used confidently with hydrologic models that are calibrated with rain gauge measured rainfall, unless the model is recalibrated. © Springer Science+Business Media, Inc. 2007.
Authors & Co-Authors
Artan, Guleid
United States, San Diego
Saic
Gadain, Hussein
Kenya, Nairobi
Regional Centre for Mapping of Resources for Development Rcmrd
Smith, Jodie L.
United States, San Diego
Saic
Asante, Kwabena
United States, San Diego
Saic
Bandaragoda, Christina J.
United States, Logan
Utah State University
Verdin, James P.
United States, Sioux Falls
Usgs Earth Resources Observation and Science Center
Statistics
Citations: 161
Authors: 6
Affiliations: 4
Identifiers
Doi:
10.1007/s11069-007-9121-6
ISSN:
0921030X
Research Areas
Environmental