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Çѱ¹¼öÀÚ¿øÇÐȸ / v.27, no.4, 1994³â, pp.85-94
CLARK À¯¿ªÃßÀû¹ý¿¡ ÀÇÇÑ °èȹȫ¼ö·® »êÁ¤¿¡ ¹ÌÄ¡´Â ¸Å°³º¯¼öÀÇ ¹Î°¨µµ ºÐ¼®
( A Sensitivity Analysis of Model Parameters involved in Clark Method on the Magnitude of Design Flood for urban Watersheds )
À±±¤¿ø;¿ø¼®¿¬;À±¿ë³²; (ÁÖ)µ¿¸í±â¼ú´Ü, ¼öÀÚ¿øºÎ;°í·Á´ëÇб³ ºÎ¼³ »ý»ê±â¼ú¿¬±¸¼Ò, °í·Á´ëÇб³ Åä¸ðȯ°æ°øÇаú;;
 
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º» ¿¬±¸¿¡¼­´Â ±¹³»¿¡¼­ µµ½ÃÇÏõÀ¯¿ªÀÇ ¼³°èÈ«¼ö·® »êÁ¤À» À§ÇØ »ç¿ëµÇ°í ÀÖ´Â Clark À¯¿ªÃßÀû¹æ¹ý¿¡¼­ÀÇ ¸Å°³º¯¼öµéÀÇ ¹Î°¨µµ ºÐ¼®À» ½Ç½ÃÇÏ¿©, °¢ ¸Å°³º¯¼ö°¡ µµ½Ã¼ÒÀ¯¿ªÀÇ °èȹȫ¼ö·®¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» »ìÆìº¸°íÀÚ ÇÏ¿´´Ù. ¸ÕÀú Àû¿ë°­¿ìÀÇ ½Ã°£ºÐÆ÷ÇüÅ¿¡ µû¸¥ ¿µÇâÀ» »ìÆìº¸±â À§ÇØ Huff ºÐÆ÷, Yen & Chow ºÐÆ÷ ±×¸®°í ÀϺ»¿¡¼­ »ç¿ëµÇ´Â Áß¾ÓÁýÁßÇü °­¿ìºÐÆ÷¸¦ ´Ü±â°£°­¿ì·Î ¼±Á¤ÇÏ¿´À¸¸ç, ±¹³»¿¡¼­ °¡Àå ³Î¸® »ç¿ëµÇ°í ÀÖ´Â °­¿ìºÐÆ÷ÀÎ Mononobe 24½Ã°£-°­¿ìºÐÆ÷¸¦ ¼±Á¤ÇÏ¿´´Ù. ¶ÇÇÑ À¯È¿°­¿ì·®ÀÇ »êÁ¤À» À§ÇØ »ç¿ëµÇ´Â SCS ¹æ¹ýÀÇ CN °ª°ú ½Ã°£-¸éÀû °î¼±ÀÇ ÀÛ¼ºÀ» À§ÇÑ ¼ÒÀ¯¿ª ±¸ºÐ ¹æ¹ýÀÇ ¿µÇâµµ °ËÅäÇÏ¿´´Ù. Àú·ù»ó¼ö K´Â Clark ¹æ¹ýÀÇ ¸Å°³º¯¼ö Áß °èȹȫ¼ö·®¿¡ °¡Àå Å« ¿µÇâÀ» ÁÖ´Â ÀÎÀÚÀ̹ǷÎ, º» ¿¬±¸¿¡¼­´Â K°ªÀÌ °èȹȫ¼ö·®¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇÏ¿´°í, ½ÇÃøÀÚ·á°¡ ¾ø´Â À¯¿ª¿¡¼­´Â K°ª »êÁ¤À» À§ÇØ »ç¿ëµÉ ¼ö ÀÖ´Â ´ÙÁß È¸±Í¹æÁ¤½ÄÀ» Á¦½ÃÇÏ¿´´Ù.
A Sensitivity analysis on the model parameters involved in the Clark watershed routing method is made to demonstrate the effect of each parameter on the magnitude of 50-year design flood for small urban streams. As for the rainfall parameter the time distribution pattern of design storm was selected. For short duration storms Huff, Yen & Chow and Japanese Central type distributions were selected and the Mononobe distribution of 24-hour design storm was also selected and tested for Clark method application. The effect of SCS runoff curve number for effective rainfall and the methods of subbasin division for time-area curve were also tested. The routing parameter, i.e. the storage constant(K), was found to be the dominating parameter once design storm is selected. A multiple regression formula for K correlated with the drainage area and main channel slope of the basin is proposed for the use in urban stream practice for the determination of design flood by Clark method.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.27, no.4, 1994³â, pp.85-94
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920095192)
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