Comparsion of TRMM Precipitation Satellite Data over Central Java Region – Indonesia
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Date
2018-09
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Wydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewicza
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Abstract
This research aims to compare precipitation data derived from satellite observation and ground measurements
through a dense station network over Central Java, Indonesia. A precipitation estimate from the Tropical Rainfall
Measuring Mission (TRMM) Multi-satellite Precipitation Analysis (TMPA) 3B42 Version 7 are compared with
precipitation data from interpolated rain gauge stations. Correlation analysis, mean bias error (MBE), and root mean
square error (RMSE) were utilized in the analysis for each thee-monthly seasonal statistics. The result shows that the
3B42 products often estimate lower rainfall than observed from weather stations in the peak of the rainy season (DJF).
Further, it is revealed that the 3B42 product are less robust in estimating rainfall at high elevation, especially when
humid environment, which is typical during the rainy season peak, are involved.
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Keywords
TRMM satellite precipitation, seasonal rainfall comparison, rain gauge precipitation, Central Java Region
Citation
Quaestiones Geographicae vol. 37 (3), 2018, pp. 97-114
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ISBN
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0137-477X