Comparsion of TRMM Precipitation Satellite Data over Central Java Region – Indonesia

Sekaranom Andung Bayu (), Nurjani Emilya, Hadi M. Pramono and Marfai Muh Aris
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Sekaranom Andung Bayu: Faculty of Geography, University of Gadjah Mada, Yogyakarta, Indonesia
Nurjani Emilya: Faculty of Geography, University of Gadjah Mada, Yogyakarta, Indonesia
Hadi M. Pramono: Faculty of Geography, University of Gadjah Mada, Yogyakarta, Indonesia
Marfai Muh Aris: Faculty of Geography, University of Gadjah Mada, Yogyakarta, Indonesia

Quaestiones Geographicae, 2018, vol. 37, issue 3, 97-114

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.

Keywords: TRMM satellite precipitation; seasonal rainfall comparison; rain gauge precipitation; Central Java Region (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:quageo:v:37:y:2018:i:3:p:97-114:n:7

DOI: 10.2478/quageo-2018-0028

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