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http://dx.doi.org/10.12652/Ksce.2010.30.5B.497

Analysis for Precipitation Trend and Elasticity of Precipitation-Streamflow According to Climate Changes  

Shon, Tae Seok (부산대학교 사회환경시스템공학과)
Shin, Hyun Suk (부산대학교 사회환경시스템공학과)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.30, no.5B, 2010 , pp. 497-507 More about this Journal
Abstract
Climate changes affect greatly natural ecosystem, human social and economic system acting on constituting the climate system such as air, ocean, life, glacier and land, etc. and estimating the current impact of climate change would be the most important thing to adapt to the climate changes. This study set the target area to Nakdong river watershed and investigated the impact of climate changes through analyzing precipitation tendency, and to understand the impact of climate changes on hydrological elements, analyzed elasticity of precipitation-streamflow. For the analysis of precipitation trend, collecting the precipitation data of the National Weather Service from major points of Nakdong river watershed, resampling them at the units of year, season and month, used as the data of precipitation trend analysis. To analyze precipitation-streamflow elasticity, collecting area average precipitation and long-term streamflow data provided by WAMIS, annual and seasonal time-series were analyzed. In addition, The results of this study and elasticity, and other abroad study compared with the elasticity analysis and the validity of this study was verified. Results of this study will be able to be utilized for study on a plan to increase of flood control ability of flooding constructs caused by the increase of streamflow around Nakdong river watershed due to climate changes and on a plan of adapting to water environment according to climate changes.
Keywords
precipitation; streamflow; trend; elasticity; climate change;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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