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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.6, 2003³â, pp.1097-1107
¿ë¼ö ¼ö¿ä¸¦ °í·ÁÇÑ DAWAST ¸ðÇüÀÇ Àû¿ë¼º Æò°¡
( Applicability of the DAWAST Model Considered Return flows )
³ëÀç°æ; Ãæ³²´ëÇб³ »ý¹°ÀÚ¿ø°øÇкΠÁö¿ªÈ¯°æÅä¸ñ;
 
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°³³äÀû ÁýÁßÇü ÀÏ À¯Ãâ¸ðÇüÀÎ DAWAST¸ðÇüÀ» ¼±Á¤ÇÏ¿© ¿ë¼ö¼ö¿ä¸¦ °í·ÁÇÒ ¼ö ÀÖ´Â °¡´É¼ºÀ» °ËÅäÇÏ¿´´Ù. ±âÁ¸ ¸ðÇü¿¡ ÀÇÇÑ ¸ðÀÇ À¯·®À» ÀÚ¿¬À¯·®À¸·Î º¸¾Ò°í, ³ó¾÷¿ë¼ö, »ýȰ¿ë¼ö, °ø¾÷¿ë¼ö µî ȸ±Í¼ö·®À» ´õÇÑ °ªÀ» ÇÏõÀ¯·®À¸·Î °¡Á¤ÇÏ¿´´Ù. ³ó¾÷¿ë¼öÀÇ ¼ö¿ä·®Àº ȸ±Í¼ö·®ÀÌ ³íÀ¸·ÎºÎÅ͸¸ ¹ß»ýÇÏ´Â °ÍÀ¸·Î º¸¾Æ ³í ¿ë¼ö·®¸¸À» °í·ÁÇÏ¿´À¸¸ç, ¼öÁ¤ Penman°ø½Ä¿¡ ÀÇÇÑ Áõ¹ß»ê·®, ħÅõ·®, Àç¹è°ü¸®¼ö·®, À¯È¿¿ì·® µîÀ» °í·ÁÇÑ ÀϺ° °¨¼ö½É¿¡ ÀÇÇØ ÀϺ°·Î °è»êÇÏ¿´´Ù. »ýȰ¿ë¼ö, °ø¾÷¿ë¼ö ¼ö¿ä·®Àº ÀÏ Æò±Õ°ª¿¡ ¿ùº° º¯µ¿°è¼ö¸¦ °í·ÁÇÏ¿© ÀϺ°·Î °è»êÇÏ¿´´Ù. ½Å·Úµµ°¡ ³ôÀº ´ëû´ï ¿î¿µ½ÇÀûÀÇ À¯ÀÔ·® ÀڷḦ ÀÌ¿ëÇÏ¿© ¿ë¼ö¼ö¿ä¸¦ °í·ÁÇÑ DAWAST ¸ðÇüÀÇ Àû¿ë¼ºÀ» Æò°¡ÇÏ¿´´Ù. ³ó¾÷¿ë¼öÀÇ È¸±ÍÀ²Àº 35%, »ý°ø¿ë¼öÀÇ È¸±ÍÀ²Àº 65% Àû¿ëÇÏ¿´À¸¸ç, 1983³â¡­2001³â ¿¬Æò±ÕÇÏ¿© °­¿ì·® 1184.6 mm °üÃø À¯ÀÔ·® 667.3 mm ¸ðÀÇ À¯ÀÔ·® 652.6 mm ·Î ¿ë¼ö¼ö¿ä¸¦ °í·ÁÇÏÁö ¾ÊÀº °æ¿ìÀÇ ¸ðÀÇ À¯ÀÔ·® 606.8 mm¿¡ ºñÇØ 45.8 mm °¡ ³ô°Ô ³ªÅ¸³µÀ¸¸ç, ¸ðÀÇ/°üÃø À¯ÀÔ·® ºñÀ²µµ 90.9 % ¿¡¼­ 97.8% ·Î °³¼±µÇ´Â °á°ú¸¦ ¾ò¾ú´Ù.
The DAWAST model was originally developed to consider the variation of water storage in the unsaturated soil zone and it is a conceptual lumped model. Return flows from agricultural, domestic and industrial water were included to the original result of model simulation to calibrate model parameters of watershed runoff. Agricultural water demand was estimated only in paddy fields supposing that return flow responded at stream was originated from paddy fields. Domestic and industrial water demand was estimated by average daily water demand multiplied monthly variation coefficient. Daily inflow to the Daechung multipurpose dam was applied to verify the DAWAST model considered return flows. On annual average from 1983 to 2001, inflows were simulated to 652.5 mm with return flows considered, which was approached more closer to observed inflow of 667.3 mm, compared with case of 606.8 mm with return flows not considered.
 
Ű¿öµå
ȸ±Í¼ö·®;¿ë¼ö ¼ö¿ä·®;DAWAST ¸ðÇü;À¯¿ª À¯Ãâ;return flows;water demand;DAWAST model;watershed runoff;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.6, 2003³â, pp.1097-1107
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922122636)
¾ð¾î : Çѱ¹¾î
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