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Çѱ¹¼öÀÚ¿øÇÐȸ / v.34, no.3, 2001³â, pp.275-285
¿ù À¯Ãâ·® ¿¹Ãø º¯¼ö·Î¼­ ÁöÇϼö ÇԾ緮ÀÇ ÀÌ¿ë
( Use of Groundwater recharge as a Variable for Monthly Streamflow Prediction )
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Since the majority of streamflow during dry periods is provided by groundwater storage, the streamflow depends on a basin moisture state recharged from rainfall during wet periods. This hydrologic characteristics dives good condition to predict long-term streamflow if the basin state like groundwater recharge is known in advance. The objective of this study is to examine groundwater recharge effect to monthly streamflow, and to attempt monthly streamflow prediction using estimated groundwater recharge. The ground water recharge is used as an independent variable with streamflow and precipitation to construct multiple regression models for the prediction. Correlation analysis was performed to assess the effect of groundwater carry-over to streamflow and to establish the associations among independent variables. The predicted streamflow shows that the multiple regression model involved groundwater recharge gives improved results comparing to the model only using streamflow and precipitation as independent variables. In addition, this paper shows that the prediction model with the effect of groundwater carry-over taken into account can be developed using only precipitation.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.34, no.3, 2001³â, pp.275-285
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200111920731648)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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