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DEVELOPMENT AND VERIFICATION OF A PREDICTING SYSTEM OF RIVER DISCHARGE OVER JAPAN JMA-MSM-GPV

Kei YOSHIMURA, Tsuyoshi OKAZAWA, Hyungjun KIM, Shinta SETO, Yuki KOIWA, Taikan OKI, Shinjiro KANAE
2007 PROCEEDINGS OF HYDRAULIC ENGINEERING  

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A new river discharge predicting system all over Japan utilizing Japan Meteorological Agency's Meso-scale model Grid Point Value (MSM-GPV) datasets is developed. The system, "Today's Japan," consists of a land surface model Iso-MATSIRO and a river routing scheme J-TRIP. An Web browser-based visualization interface is also included. This paper presents structure of the system, and manipulates hindcasts for 2003 and 2004 and verifies them by using observed discharge data. The results indicate
more » ... the system is robust enough and acceptable for reproducing big flush floods and snowmelt floods, but also find some significant underestimates and shortcomings of reproducing low-flows.
doi:10.2208/prohe.51.403 fatcat:yh26q7xnxbbhtpnuhl5swx6piq
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Kei YOSHIMURA, Tsuyoshi OKAZAWA, Hyungjun KIM, Shinta SETO, Yuki KOIWA, Taikan OKI, Shinjiro KANAE. "DEVELOPMENT AND VERIFICATION OF A PREDICTING SYSTEM OF RIVER DISCHARGE OVER JAPAN JMA-MSM-GPV." PROCEEDINGS OF HYDRAULIC ENGINEERING (2007) 403-408