Comparison of CMORPH and TRMM-3B42 over Mountainous Regions of Africa and South America
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Two satellite rainfall estimation algorithms, CMORPH and TMPA, are evaluated over two mountainous regions at daily accumulation and spatial resolution 0.25°. The evaluated TMPA products are TRMM-3B42 and TRMM-3B42RT. The first of the two validations region is located over the Ethiopian highlands in the Horn of Africa. The second is located over the highlands of Columbia in South America. Both sites are characterized by a very complex terrain. Relatively dense station networks over the two sites are used to validate the satellite products. The correlation coefficients between the reference gauge data and the satellite products were found to be low. Besides, the products underestimate both the occurrence and amount of rainfall over both validation sites. These were attributed, at least partly, to orographic warm rain process over the two regions. The performance over Colombia was better compared to that for Ethiopia. And CMORPH has exhibited better performance as compared to the two TRMM products.
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- Comparison of CMORPH and TRMM-3B42 over Mountainous Regions of Africa and South America
- Book Title
- Satellite Rainfall Applications for Surface Hydrology
- Book Part
- pp 193-204
- Print ISBN
- Online ISBN
- Springer Netherlands
- Copyright Holder
- Springer Science+Business Media B.V.
- Additional Links
- Rainfall estimation
- Passive microwave
- eBook Packages
- Editor Affiliations
- ID1. Dept. Civil & Environmental Engineering, University of Connecticut
- ID2. Dept. Civil & Environmental Engineering, Tennessee Technological University
- Author Affiliations
- 1. International Research Institute for Climate and Society (IRI), The Earth Institute at Columbia University, 10964, NY, Palisades, USA
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