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http://dx.doi.org/10.5322/JESI.2013.22.5.523

A Method of Simulating Ephemeral Stream Runoff Characteristics in Cheonmi-cheon Watershed, Jeju Island  

Kim, Nam-Won (Water Resources Research Dept., Korea Institute of Construction Technology)
Chung, Il-Moon (Water Resources Research Dept., Korea Institute of Construction Technology)
Na, Hanna (Water Resources Research Dept., Korea Institute of Construction Technology)
Publication Information
Journal of Environmental Science International / v.22, no.5, 2013 , pp. 523-531 More about this Journal
Abstract
In this study, a method of simulating ephemeral stream runoff characteristics in Jeju watershed is newly suggested. The process based conceptual-physical scheme is established based on the SWAT-K and applied to Cheonmi-cheon watershed which shows the typical pattern of ephemeral stream runoff characteristics. For the proper simulation of this runoff, the intermediate flow and baseflow are controlled to make downward percolation should be dominant. The result showed that surface runoff simulated by using the modified scheme showed good agreement with observed runoff data. In addition, it was found that the estimated runoff directly affected the groundwater recharge rate. This conceptual model should be continuously progressed including rainfall interception, spatially estimated evapotranspiration and so forth for the reasonable simulation of the hydrologic characteristics in Jeju island.
Keywords
SWAT-K; Ephemeral stream; Cheonmi-cheon; Intermediate flow;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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