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Online ISSN : 1349-6476
The Vietnam Gridded Precipitation (VnGP) Dataset: Construction and Validation
Thanh Nguyen-XuanThanh Ngo-DucHideyuki KamimeraLong Trinh-TuanJun MatsumotoTomoshige InoueTan Phan-Van
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JOURNALS FREE ACCESS

Volume 12 (2016) Pages 291-296

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Abstract

In this study, daily-observed data from 481 rain gauges were used to build a new gridded rainfall dataset for Vietnam based on the Spheremap interpolation technique. The new dataset, called Vietnam Gridded Precipitation (VnGP) Dataset has the resolution of 0.25° and covers the period 1980-2010. The validation was done for VnGP by assessing the spatial distribution, correlations, mean abosolute errors, root mean square errors with gauge observations. Results showed that VnGP had a relatively better performance compared to the datasets that used different interpolation techniques or used less number of input rain gauges. VnGP is currently available at the Data Integration and Analysis System (DIAS) managed by the University of Tokyo, Japan.

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© 2016 by the Meteorological Society of Japan
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