Following the first (1991-1993) and the second (1994-1996) TRMM PR teams, and the third international TRMM PR team (1997-2000), the fourth international TRMM PR team (2001-2003) started its job in 2001 based on the NRA-99-OES-03 in 1999 and NASDA-3rd RA-TRMM in 2000. In April 2004, the fourth international TRMM PR team completed the revisions of the standard algorithms to version 6. NASA and JA...

Rain gauge and satellite-retrieved data have been widely used in basin-scale hydrological applications. While rain gauges provide accurate measurements that are generally unevenly distributed in space, satellites offer spatially regular observations and common error prone retrieval. Comparative evaluation of gauge-based and satellite-based data is necessary in hydrological studies, as precipita...

The Tropical Rainfall Measuring Mission (TRMM), jointly sponsored by the National Aeronautics and Space Administration (NASA) and Japan Aerospace Exploration Agency (JAXA, previously known as National Space Development Agency, or NASDA), is the first coordinated international satellite mission to monitor and study tropical and subtropical rain systems (Simpson et al., 1988). A detail descriptio...

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Precise spatio-temporal measurements of rainfall during seasonal monsoons are critical for accurate hydrologic analyses in the tropical regions of Southeast Asia. The use of satellite precipitation data is technologically sound but requires downscaling to minimize inherent uncertainties. The uncertainties at a local climate regime that are essential to be resolved are rarely reported; consequen...