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http://dx.doi.org/10.5322/JESI.2013.22.5.533

Assessment of Actual Evapotranspiration in the Hancheon Watershed, Jeju Island  

Kim, Nam Won (Water Resources Research Division, Korea Institute of Construction Technology)
Lee, Jeong Eun (Water Resources Research Division, Korea Institute of Construction Technology)
Publication Information
Journal of Environmental Science International / v.22, no.5, 2013 , pp. 533-542 More about this Journal
Abstract
In this study, estimation methods for actual evapotranspiration have been studied using the concept of potential and actual evapotranspiration. Among the diverse estimation methods, SWAT-K application is chosen for hydrological modeling. For Jeju island we have characterized annual and monthly evapotranspiration using SWAT-K. In the results, simulated potential evapotranspiration reached to the 91% of small pan evaporation. With respect to the temperature lapse rate($-6^{\circ}C/km$) depending on the altitude of Halla mountain, evapotranspiration rate decreased by 7.5% compared to the status when the temperature data from the Jeju weather station were applied to the watershed. As the average of annual rainfall increased, potential evapotranspiration was increased, actual evapotranspiration was, however, decreased.
Keywords
Actual and potential evapotranspiration; SWAT-K; Jeju island;
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Times Cited By KSCI : 4  (Citation Analysis)
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