Evaluation of TMPA 3B43 and NCEP-CFSR precipitation products in drought monitoring over Singapore
2018
ABSTRACTSatellite and reanalysis precipitation products can be potentially used for monitoring and analysing drought patterns in tropical regions. In this study, Tropical Measuring Mission Multisatellite Precipitation Analysis monthly product (3B43) and the product from National Centers for Environmental Prediction Climate Forecast System Reanalysis (NCEP-CFSR) are analysed for precipitation estimation and drought assessment over Singapore. The evaluation is conducted by comparing the field observations from 22 precipitation gauges from 1998 to 2014. The Standardized Precipitation Index recommended by the World Meteorological Organization was used for the drought assessment. Results show that 3B43 performed better in monthly, seasonal, and annual precipitation estimations compared to NCEP-CFSR. Both products show an underestimation of monthly and annual precipitation. Similarly, 3B43 also outperformed NCEP-CFSR in drought monitoring over Singapore. The 3B43 product successfully detected major droughts tha...
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