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http://dx.doi.org/10.3741/JKWRA.2007.40.3.191

Generation of High Resolution Scenarios for Climate Change Impacts on Water Resources (I): Climate Scenarios on Each Sub-basins  

Bae, Deg-Hyo (Dept. of Civil and Environmental Engrg., Sejong Univ)
Jung, Il-Won (Dept. of Civil and Environmental Engrg., Sejong Univ)
Kwon, Won-Tae (Climate Research Lab., Meteorological Research Institute)
Publication Information
Journal of Korea Water Resources Association / v.40, no.3, 2007 , pp. 191-204 More about this Journal
Abstract
To evaluate the climate change impacts on water resources, this study generates and analyzes the climate change scenarios for 139 sub-basins in Korea using high resolution ($27km\;{\times}\; 27km$) SHES A2 scenario and LARS-WG. The $27km\;{\times}\; 27km$ high resolution NCAR/PSU MM5 scenario is downscaled from 350km horizontal resolution ECHO-G data. The A2 scenario relatively well reproduced Korean spatial precipitation characteristics, but it underestimated the precipitation over the Han River and the Gum River basins. The LARS-WG was selected and evaluated to overcome the limitation of climate model and to create a highly reliable climate scenario. The results show that the monthly mean minimum and maximum temperature and monthly mean precipitation are within ${\pm}20%$ from the observed mean, and ${\pm}50%$ from the standard deviation that represents the generated data are highly reliable. Moreover, the comparison results between observed data and generated data from LARS-WG show that the latter can reflect the regional climate characteristic very well that can not be simulated from the former.
Keywords
Climate Change; Water resources; A2 scenario; LARS-WG;
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