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Çѱ¹¼öÀÚ¿øÇÐȸ / v.44, no.8, 2011³â, pp.619-628
¼öÁ¤ IAS Áö¼ö¸¦ ÀÌ¿ëÇÑ °­¿ìħ½ÄÀÎÀÚ ÃßÁ¤
( Estimation of Rainfall-runoff Erosivity Using Modified Institute of Agricultural Sciences Index )
ÀÌÁØÇÐ;¿À°æµÎ;ÇãÁØÇà; ¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;À°±º»ç°üÇб³ °Ç¼³È¯°æÇаú;¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;
 
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º» ¿¬±¸ÀÇ ¸ñÀûÀº ¿ù°­¿ì·®À» ÀÌ¿ëÇÏ¿© °­¿ìħ½ÄÀÎÀÚ¸¦ ÃßÁ¤ÇÏ´Â ±âÁ¸ÀÇ ¹æ¹ýÀÎ, Fournier Áö¼ö, modified Fournier Áö¼ö, IAS (Institute of Agricultural Sciences) Áö¼ö µîÀÇ Àû¿ë¼ºÀ» È®ÀÎÇÏ°í ´õ ÇÕ¸®ÀûÀÎ ¿ù°­¿ì·® ±â¹ÝÀÇ °­¿ìħ½ÄÀÎÀÚ ÃßÁ¤¸ðµ¨À» Á¦½ÃÇϱâ À§ÇÑ °ÍÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â ¿ù°­¿ì·® ±â¹ÝÀÇ ¼öÁ¤ IAS Áö¼ö¸¦ »õ·Ó°Ô Á¦¾ÈÇÏ¿´´Ù. À̰ÍÀº ¿¬Áß°¡Àå ºñ°¡ ¸¹ÀÌ ³»¸° µÎ ´ÞÀÇ °­¿ì·®ÀÇ ÇÕÀ¸·Î½á °­¿ìħ½ÄÀÎÀÚ¸¦ ÃßÁ¤ÇÏ´Â ±âÁ¸ÀÇ IAS Áö¼öÀÇ °³³äÀ» È®ÀåÇÑ °ÍÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â 25³â ÀÌ»óÀÇ 21°³ ÁöÁ¡¿¡ ´ëÇÑ ¿ù°­¿ì·® ¹× ¿¬ °­¿ìħ½ÄÀÎÀÚ¸¦ Åä´ë·Î °¢ ÃßÁ¤¹æ¹ý¿¡ ´ëÇÑ »ó°üºÐ¼® ¹× ȸ±ÍºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù. ±× °á°ú ¼öÁ¤IAS Áö¼ö°¡ ±âÁ¸ÀÇ ¿¬°­¼ö·® ¹× ¿ù°­¿ì·®À» ÀÌ¿ëÇÑ ÃßÁ¤¹æ¹ý º¸´Ù ¿ì¸®³ª¶ó Áß¼­ºÎ ¹× ³²¼­ºÎ Áö¿ªÀÇ °­¿ìħ½ÄÀÎÀÚÀÇ º¯µ¿À» Àß ³ªÅ¸³»´Â ÇÕ¸®ÀûÀÎ ÁöÇ¥ÀÓÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
The purpose of this study is to evaluate the existing method of calculating rainfall-runoff erosivity using monthly precipitation, such as Fournier's index, modified Fournier's index, IAS (Institute of Agricultural Sciences) index, etc., and to present more reasonable regression model based on monthly rainfall data in Korea. This study introduced a new simplified method of calculating rainfall-runoff erosivity based on monthly precipitation, called by modified IAS index. It was expanded form IAS index which is the simple calculation method by summing up the rainfall amount of two months with maximum amount. Monthly precipitation and annual rainfall-runoff erosivity at 21 weather stations for over 25 years were used to analyze correlation relationship and regression model. The result shows that modified IAS index is the more reasonable parameter for estimating rainfall-runoff erosivity of the middle-western and south-western regions in Korea.
 
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¼öÁ¤ IAS Áö¼ö;¿ù°­¿ì·®;°­¿ìħ½ÄÀÎÀÚ;Åä¾çħ½Ä;MIAS index;Monthly precipitation;Rainfall-runoff erosivity;RUSLE;Soil erosion;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.44, no.8, 2011³â, pp.619-628
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201126235932363)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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