<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The precise rainfall estimate with appropriate spatial and temporal resolutions is a key input to distributed hydrological models. However, networks of rain gauges are often sparsely distributed in developing countries. To overcome such limitations, this study used some of the existing gridded rainfall products to simulate streamflow. Four gridded rainfall products, including APHRODITE, CFSR, PERSIANN, and TRMM, were used as input to the SWAT distributed hydrological model in order to simulate streamflow over the Srepok River Catchment in Vietnam. Besides that, the available rain gauges data were also used for comparison. Amongst the four different datasets, the TRMM and APHRODITE data show their best match to rain gauges data in simulating the daily and monthly streamflow with satisfactory precision in the 2000-2006 period. The result indicates that the TRMM and APHRODITE data have potential applications in driving hydrological model and water resources management in data-scarce and ungauged areas in Vietnam.</p></abstract>

The precise rainfall estimate with appropriate spatial and temporal resolutions is a key input to distributed hydrological models. However, networks of rain gauges are often sparsely distributed in developing countries. To overcome such limitations, this study used some of the existing gridded rainfall products to simulate streamflow. Four gridded rainfall products, including APHRODITE, CFSR, PERSIANN, and TRMM, were used as input to the SWAT distributed hydrological model in order to simulate streamflow over the Srepok River Catchment in Vietnam. Besides that, the available rain gauges data were also used for comparison. Amongst the four different datasets, the TRMM and APHRODITE data show their best match to rain gauges data in simulating the daily and monthly streamflow with satisfactory precision in the 2000-2006 period. The result indicates that the TRMM and APHRODITE data have potential applications in driving hydrological model and water resources management in data-scarce and ungauged areas in Vietnam.

Using gridded rainfall products in simulating streamflow in a tropical catchment – A case study of the Srepok River Catchment, Vietnam

Centre of Water Management and Climate Change, Vietnam National University – Ho Chi Minh City, Ho Chi Minh City,

Environmental Engineering and Management Research Group, Ton Duc Thang University, 19 Nguyen Huu Tho Street, Distric 7, Ho Chi Minh City, Vietnam

Faculty of Environment and Labour Safety, Ton Duc Thang University, 19 Nguyen Huu Tho Street, District 7, Ho Chi Minh City, Vietnam

Faculty of Environment, University of Science, Vietnam National University – Ho Chi Minh City, Ho Chi Minh City,

Journal of Hydrology and Hydromechanics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The precise rainfall estimate with appropriate spatial and temporal resolutions is a key input to distributed hydrological models. However, networks of rain...

Using gridded rainfall products in simulating streamflow in a tropical catchment – A case study of the Srepok River Catchment, Vietnam

Published Online: Dec 08, 2016

Page range: 18 - 25

Received: Sep 04, 2015

Accepted: Jun 13, 2016

DOI: https://doi.org/10.1515/johh-2016-0047

Keywords
APHRODITE, CFSR, PERSIANN, TRMM, Rainfall, Streamflow, SWAT model

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Using gridded rainfall products in simulating streamflow in a tropical catchment – A case study of the Srepok River Catchment, Vietnam

Published Online: Dec 08, 2016

Page range: 18 - 25

Received: Sep 04, 2015

Accepted: Jun 13, 2016

DOI: https://doi.org/10.1515/johh-2016-0047

KeywordsAPHRODITE, CFSR, PERSIANN, TRMM, Rainfall, Streamflow, SWAT model

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
APHRODITE, CFSR, PERSIANN, TRMM, Rainfall, Streamflow, SWAT model