Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
Online ISSN : 2185-467X
ISSN-L : 2185-467X
Annual Journal of Hydraulic Engineering, JSCE, Vol.63
UNCERTAINTY OF REGIONAL CLIMATE MODEL AND IMPACT ASSESSMENT MODEL TOWARD CLIMATE CHANGE IMPACT ASSESSMENT
Yasuyuki MARUYAMorihiro HARADARui ITOHiroaki KAWASEKoji DAIRAKUHidetaka SASAKI
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2018 Volume 74 Issue 5 Pages I_109-I_114

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Abstract

 This study aims to reveal the uncertainty of regional climate model (RCM) and impact assessment model in climate change impact assessment study in local scale. Therefore, we made an attempt to evaluate the uncertainty of RCM and impact assessment model by using two types of runoff model (distributed hydrological model (DHM) and storage function model (SFM)) and dynamical downscaling (DDS) experiments on selected past flood events. As the result, it is found that the difference of peak discharge between DHM and SFM is small except for DS5 km. In DS5 km, peak discharge of SFM overestimated DHM since heavy rainfall was occurred in around catchment and a part of catchment.

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© 2018 Japan Society of Civil Engineers
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