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Çѱ¹¼öÀÚ¿øÇÐȸ / v.35, no.1, 2002³â, pp.65-75
TOPMODELÀÇ Åä¾ç¼öºÐ º¯µ¿¼º ¸ðÀÇ¿¡ °üÇÑ ¿¬±¸
( A Study on TOPMODEL Simulation for Soil Moisture Variation )
±èÁøÈÆ;¹è´öÈ¿;Àå±âÈ¿;Á¶ÃµÈ£; ±â»ó¿¬±¸¼Ò ¿¹º¸¿¬±¸½Ç;¼¼Á¾´ëÇб³ Åä¸ñȯ°æ°øÇаú;±â»ó¿¬±¸¼Ò ¿¹º¸¿¬±¸½Ç;±â»ó¿¬±¸¼Ò ¿¹º¸¿¬±¸½Ç;
 
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º» ¿¬±¸¿¡¼­´Â TOPMODELÀÇ ¸Å°³º¯¼ö m, $T_{0}$¿¡ µû¸¥ Åä¾ç¼öºÐ º¯µ¿¼ºÀ» °ËÅäÇϰí, ÀÏ´ÜÀ§ °üÃø ÁöÇϼöÀ§ÀڷḦ ÀÌ¿ëÇÏ¿© ¸ðÇü³» Æ÷È­Ãþ¿¡¼­ÀÇ È帧ÀÎ ÁöÇÏÀ¯Ãâ°úÀÇ »ó´ëÀû ºñ±³ ¹× À¯¿ªÃⱸ¿¡¼­ÀÇ °üÃøÀ¯·® ¹× °è»êÀ¯·®À» ºñ±³ÇÏ¿© TOPMODELÀÇ Åä¾ç¼öºÐ ¸ðÀÇ ´É·ÂÀ» ±Ô¸íÇÏ¿´´Ù. À̸¦ À§ÇØ ±¹Á¦¼ö¹®°³¹ß°èȹ(IHP)ÀÇ Æòâ°­ »ó·ù »ó¾È¹Ì À¯¿ªÀ» ´ë»óÀ¸·Î 94~98³â »çÀÌÀÇ ¿©¸§Ã¶ È£¿ì»ç»ó°ú ÁöÇϼöÀ§ÀڷḦ ¼±ÅÃÇÏ¿´´Ù. ¸Å°³º¯¼ö m, $T_{0}$¿¡ µû¸¥ TOPMODELÀÇ Åä¾ç¼öºÐ º¯µ¿¼ºÀº Åä¾ç³» ÁöÇϼö¸éÀÇ À¯È¿±íÀ̸¦ ³ªÅ¸³»´Â mÀÌ Áõ°¡ÇÒ¼ö·Ï Åä¾ç¼öºÐ º¸À¯´É·ÂÀÌ Áõ°¡Çϰí, ƯÈ÷ Å« °ªÀÇ $T_{0}$¿Í °áÇյǸé ÀÌ·¯ÇÑ Çö»óÀÌ ÇöÀúÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¸ðÇü¿¡ ÀÇÇØ »êÁ¤µÈ ÁöÇÏÀ¯Ãâ°ú ½ÇÃø ÁöÇϼöÀ§ÀڷḦ »ó´ëÀûÀ¸·Î ºñ±³ÇÑ °á°ú ÷µÎ·®ÀÌ À¯»çÇÏ°Ô ÁöüµÇ´Â °æÇâÀ¸·Î ³ªÅ¸³µÀ¸¸ç, °­¿ì°¡ ³¡³­ ÈÄÀÇ ¼ö¹®°î¼± Çϰ­ºÎ´Â ´ëºÎºÐÀÌ ÁöÇÏÀ¯Ãâ¿¡ ±âÀÎÇϰí ÀÖÀ½À» Àß Ç¥ÇöÇϰí ÀÖ´Ù. µû¶ó¼­ TOPMODELÀº À¯¿ª Ãⱸ¿¡¼­ÀÇ À¯Ãâ·® »êÁ¤»Ó ¾Æ´Ï¶ó À¯¿ªÀÇ Åä¾ç¼öºÐ º¯È­ ¸ðÀÇ¿¡µµ ÀûÇÕÇÑ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
The objectives of this study are to analyse model-based soil moisture variations depending on model parameters m and $T_0$ and to evaluate the model performance for the simulation of soil moisture variations by the comparison of observed groundwater levels and model-driven soil moisture amounts and observed and simulated river discharges at the basin outlet. The selected study area is the Pyungchang IHP river basin with outlet at Sanganmi station and the summer flooding events during '94-'98 are used for the analysis. As a result, soil moisture holding capacity is increased according to increase the parameter m that represents effective groundwater depth. This phenomenon is especially dominant when higher m and $T_0$ values are used. The qualitative comparison of computed base flow and observed groundwater level shows that the base flow peaks are reasonably simulated and the decreasing limbs of hydrograph are mainly caused by base flows. It is concluded that TOPMODEL can be used effectively for simulating basin-averaged soil moisture variations in addition to river flow generations.
 
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Åä¾ç¼öºÐ;À¯È¿ÁöÇϼö¸é±íÀÌ;ÁöÇϼöÀ§;Ground Water Level;Soil moisture;TOPMODEL;Effective Ground Water Depth;TOPMODEL;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.35, no.1, 2002³â, pp.65-75
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211920932782)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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