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Çѱ¹¼öÀÚ¿øÇÐȸ / v.27, no.2, 1994³â, pp.97-109
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( Comparative Analysis of Existing Synthetic Unit Hydrograph in Korea ) |
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| ¿ì¸®³ª¶ó 22°³ÀÇ À¯¿ª¿¡ ´ëÇÑ SCS ¹× Nakayasu Çü ÇÕ¼º´ÜÀ§À¯·®µµÀÇ ¸Å°³º¯¼ö´Â ´ëÇ¥´ÜÀ§À¯·®µµ¸¦ ÀÌ¿ëÇÑ È¸±ÍºÐ¼®À¸·ÎºÎÅÍ À¯µµµÇ¸ç, À̵é·ÎºÎÅÍ ±¸ÇÑ ÇÕ¼º´ÜÀ§À¯·®µµ¿Í ´ëÇ¥´ÜÀ§À¯·®µµ¸¦ ºñ±³ÇÏ¿´´Ù. À̵é Áß ¼±Á¤µÈ 4°³ À¯¿ªÀÇ ÇÕ¼º´ÜÀ§À¯·®µµ´Â °Ç¼³±â¼ú¿¬±¸¿ø¿¡¼ Á¦¾ÈÇÑ Snyder ¹× HYMOÀÇ ÇÕ¼º´ÜÀ§À¯·®µµ¿Í ºñ±³ÇÏ¿´´Ù. SCS ¹æ¹ý¿¡¼ ¼ö°èº°º¸´Ù´Â Àüü À¯¿ªÀ¸·Î ȸ±ÍºÐ¼®ÇÑ Áöü½Ã°£À¸·ÎºÎÅÍ ÃßÁ¤µÈ ÇÕ¼º´ÜÀ§À¯·®µµÀÇ Ã·µÎÀ¯·®ÀÌ º¸Ã»ÃµÀ¯¿ªÀ» Á¦¿ÜÇÏ°í ´ëÇ¥´ÜÀ§À¯·®µµÀÇ Ã·µÎÀ¯·®°ªÀ» °³¼±ÇÏ¿´À¸¸ç, ÷µÎ½Ã°£Àº ÀÌ¿Í ¹Ý´ë·Î ³ªÅ¸³µ´Ù. ¼öÁ¤ Nakayasu Çü¿¡¼ Àüü À¯¿ªº¸´Ù´Â ¼ö°èº°·Î ȸ±ÍºÐ¼®ÇÑ Áöü½Ã°£À¸·ÎºÎÅÍ ÃßÁ¤µÈ ÇÕ¼º´ÜÀ§À¯·®µµ°¡ À§ÃµÀ¯¿ªÀ» Á¦¿ÜÇϰí NakayasuÀÇ ÇÕ¼º´ÜÀ§À¯·®µµº¸´Ù´Â ´ëÇ¥´ÜÀ§À¯·®µµ¿¡ ºñ±³Àû Á¢±ÙÇÏ¿´´Ù. ¼öÁ¤ Nakayasu ÇüÀÇ ÇÕ¼º´ÜÀ§À¯·®µµ´Â Àüü À¯¿ª°ú ¼ö°èº°¿¡¼ NakayasuÀÇ ÇÕ¼º´ÜÀ§À¯·®µµº¸´Ù´Â ´ëÇ¥´ÜÀ§À¯·®µµ¸¦ ÈξÀ ´õ Àß ³ªÅ¸³½´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ´Ù. |
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| Parameters for the Synthetic Unit Hydrograph(SUH) using SCS and v methods(including modified type) are derived by regression analysis of the Representative Unit Hydrograph(RUH) of 22 basins in Korea. These derived SUHs were compared with the RUHs and those of Snyder and HYMO given by the Korea Institute of Construction Technology (KICT) for selected 4 basins. In SCS method, when correlated with the lag time of SUHs based on the whole basin rather than on the riverwise basins the peak discharge(excluding Bocheng stream) is close to that of RUH. BUt the peak time given by riverwise basins agrees closer to the RUH than by the whole basins. The modified Nakayasu type SUH(excluding Wi stream) associated with lag time based on riverwise basins gives better agreements to the RUH than that of Nakayasu method. And the modified Nakayasu type SUH gives much better agreement to the RUH than that of Nakayasu method for the case of both whole and riverwise basins. |
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.27, no.2, 1994³â, pp.97-109
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920094916)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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