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Çѱ¹¼öÀÚ¿øÇÐȸ / v.38, no.6, 2005³â, pp.495-504
HSPF ¸ðÇüÀ» ÀÌ¿ëÇÑ ÅäÁöÇǺ¹º¯È­¿¡ µû¸¥ À¯Ãâ º¯È­ ºÐ¼®
( Analysis of Impacts of Land Cover Change on Runoff Using HSPF Model )
¹Ú¹ÎÁö;±ÇÇüÁß;±è¼ºÁØ; °Ç±¹´ëÇб³ ´ëÇпø Áö¿ª°Ç¼³È¯°æ°øÇаú;°Ç±¹´ëÇб³ ´ëÇпø Áö¿ª°Ç¼³È¯°æ°øÇаú;°Ç±¹´ëÇб³ »ý¸íȯ°æ°úÇдëÇÐ »çȸȯ°æ½Ã½ºÅÛ°øÇÐÀü°ø;
 
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º» ¿¬±¸ÀÇ ¸ñÀûÀº HSPF ¸ðÇü°ú Landsat ¿µ»óÀ» ÀÌ¿ëÇÏ¿© ÅäÁöÇǺ¹ º¯È­¿¡ µû¸¥ À¯ÃâÀÇ º¯È­¸¦ ºÐ¼®ÇÏ´Â °ÍÀÌ´Ù. ÅäÁöÇǺ¹µµ´Â °æ¾È¼öÀ§°üÃø¼Ò »ó·ùÀ¯¿ª($258km^2$)¿¡ ´ëÇÏ¿© 10³â ´ÜÀ§·Î 3°³ÀÇ ÅäÁöÇǺ¹µµ(1980, 1990, 2000)¸¦ ÁغñÇÏ¿´´Ù. HSPFÀÇ ¼ö¹®ÇÐÀû ÀÎÀÚµéÀÇ º¸Á¤¿¡´Â 1999³âºÎÅÍ 2000³âÀÇ °æ¾È¼öÀ§°üÃø¼ÒÀÇ ÀڷḦ »ç¿ëÇÏ¿´°í, °ËÁõ¿¡´Â 2001³â°ú 2003³âÀÇ ÀڷḦ »ç¿ëÇÏ¿´´Ù. ÅäÁöÇǺ¹µµ¸¦ ÀÔ·ÂÀÚ·á·Î ÇÑ À¯Ã⺯ȭÀÇ ¸ðÀÇ °á°ú, 20³â µ¿¾ÈÀÇ »ê¸² °¨¼Ò ($15.0;km^2$)¿Í µµ½ÉÁö Áõ°¡($19.3;km^2$)¿¡ µû¶ó ÃÑÀ¯Ãâ·®°ú ÷µÎÀ¯·®ÀÌ Áõ°¡ÇÏ¿´´Ù. ÃÑÀ¯Ãâ·®Àº dz¼ö³â(2003, 1709.4mm)°ú °¥¼ö³â(2001, 871.2mm)ÀÇ °­¼öÁ¶°Ç¿¡¼­ °¢°¢ $0.6%,;1.0%$ÀÇ Áõ°¡À²À» º¸¿´´Ù. ÷µÎÀ¯·®Àº 2000³âÀÇ ÃÖ´ë°­¿ì°­µµ 241.3mm/hr Á¶°Ç¿¡¼­ $13.3%$ÀÇ Áõ°¡¸¦ º¸¿´°í, ¼º¼ö±â¿Í ºñ¼º¼ö±â·Î ±¸ºÐÇÑ ÃÑÀ¯Ãâ·®Àº Æò¼ö³â(2000, 1257.3mm)ÀÎ 2000³â °­¼öÁ¶°Ç¿¡¼­ °¢°¢ $4.4%$ Áõ°¡¿Í $8.1%$ °¨¼Ò·Î °¡Àå Å« º¯È­¸¦ º¸¿´´Ù.
The objective of this study is to estimate the impacts of land cover change on the runoff behavior using Hydrologic Simulation Program-Fortran (HSPF) model and Landsat images. Land cover maps were prepared using three every ten years from 1980 to 2000 of the upper watershed ($258;km^2$) of Gyeongan stream. Hydrologic parameters of HSPF were calibrated using observed data (1999 - 2000) and validated using observed data (2001, 2003) at Gyeongan gauge station. The simulation results showed that runoff volume and peak rate increased as $15.0;km^2$ forest areas decreased and $19.3;km^2$ urban areas increased for 20 years land use changes. The runoff volume showed a higher rate of increase in wet year (2003, 1709.4 mm) than in dry year (2001, 871.2 mm). The peak runoff increased $13.3;%$ in normal year (2000, 1257.3 mm) because the year has the highest rain intensity (241.3 mm/hr) among the test years. The runoff volume of a dry season and a wet season (May - September) in normal year 2000 increased $4.4;%$ and decreased $8.1;%$, respectively.
 
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À¯Ãâ°Åµ¿;ÅäÁöÇǺ¹;µµ½ÃÈ­;HSPF;runoff behavior;Landsat;land cover;urbanization;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.38, no.6, 2005³â, pp.495-504
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200531234554778)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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