抄録
TRMM Microwave Imager (TMI) aboard Tropical Rainfall Measuring Mission (TRMM) offers a chance of new researches in two ways ; one is using 10 GHz data which are newly available from TMI, and the other is a composite utilization of data from TMI, Precipitation Radar (PR), Visible Infrared Scanner (VIRS) which are all aboard TRMM. From 10 GHz data, sea surface temperature (SST) can be retrieved, and, furthermore, sea surface wind speed under rainy condition, soil moisture over land will be expected. On the other hand, a method of mechanical calibration deployed for Special Sensor Microwave Imager (SSM/I) and TMI appears to have some calibration errors, which are revealed by intercomparison of SST between TMI and truth data. Composite utilization of TMI, PR, and VIRS will improve accuracy of retrieved parameters such as precipitation, SST, sea surface wind speed, snow water equivalence, and soil moisture.
