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http://dx.doi.org/10.7319/kogsis.2014.22.3.011

Impact of IPCC RCP Scenarios on Streamflow and Sediment in the Hoeya River Basin  

Hwang, Chang Su (Oceanographic Observation Division, Korea Hydrographic and Oceanographic Administration)
Choi, Chul Uong (Spatial Information Engineering, Pukyong National University)
Choi, Ji Sun (Spatial Information Engineering, Pukyong National University)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.22, no.3, 2014 , pp. 11-19 More about this Journal
Abstract
This study is analyze future climate and land cover change affects behaviors for amount of streamflow and sediment discharge within basin. We used the climate forecast data in RCP 4.5 and 8.5 (2011-2100) which is opposite view for each other among RCP scenarios that are discussed for 5th report for IPCC. Land cover map built based on a social economic storyline in RCP 4.5/8.5 using Logistic Regression model. In this study we set three scenarios: one scenario for climate change only, one for land cover change only, one for Last both climate change and land cover change. It simulated amount of streamflow and sediment discharge and the result showed a very definite change in the seasonal variation both of them. For climate change, spring and winter increased the amount of streamflow while summer and fall decreased them. Sediment showed the same pattern of change steamflow. Land cover change increases the amount of streamflow while it decreases the amount of sediment discharge, which is believed to be caused by increase of impervious Surface due to urbanization. Although land cover change less affects the amount of streamflow than climate change, it may maximize problems related to the amount of streamflow caused by climate change. Therefore, it's required to address potential influence from climate change for effective water resource management and prepare suitable measurement for water resource.
Keywords
SWAT; Climate Change; RCP Scenario; Streamflow; Sediment;
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Times Cited By KSCI : 9  (Citation Analysis)
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