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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.6, 2003³â, pp.1059-1068
GIS¿Í USLE¸¦ ÀÌ¿ëÇÑ ¾Æ»ê¸¸ À¯ÀÔ À¯»ç·® ÃßÁ¤
( Estimation of Sediment Yield to Asan Bay Using the USLE and GIS )
±è»ó¹Î;¹Ú½Â¿ì;°­¹®¼º; ¼­¿ï´ëÇб³ ´ëÇпø ³ó°øÇаú;¼­¿ï´ëÇб³ ³ó°øÇаú;¹Ì±¹ Auburn ´ëÇб³;
 
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º» ¿¬±¸´Â ¾Æ»ê¸¸À¸·Î À¯ÀԵǴ À¯»ç·®À» ÃßÁ¤Çϱâ À§ÇÏ¿© Landsat-5 TM À§¼º¿µ»ó°ú NGIS ¼öÄ¡ÀڷḦ ÀÌ¿ëÇÏ¿© ´ë»óÀ¯¿ªÀÇ ±âº»µµ¿Í USLE ÁÖÁ¦µµ¸¦ ±¸ÃàÇϰí, ¹ü¿ëÅä¾çÀ¯½Ç°ø½Ä(USLE)À» ÀÌ¿ëÇÏ¿© ¾Æ»ê¸¸ À¯¿ªÀÇ Åä¾çÀ¯½Ç·®À» ÃßÁ¤ÇÏ¿´´Ù. À¯»ç¿î¼Ûºñ¿Í Æ÷Âø·üÀ» ÀÌ¿ëÇÏ¿© ¾Æ»ê¸¸À¸·Î À¯ÀԵǴ À¯»ç·®À» ÃßÁ¤ÇÏ¿´À¸¸ç, À̸¦ ³ó¾÷±â¹Ý°ø»çÀÇ ¹è¼ö°©¹® °ü¸®ÀÚ·á¿Í ȯ°æºÎÀÇ ´ã¼öÈ£ ºÎÀ¯¹° ÃøÁ¤ÀÚ·á·ÎºÎÅÍ ±¸ÇÑ ½ÇÃø À¯»ç·®°ú ºñ±³ÇÏ¿´´Ù. USLE¿Í À¯»ç¿î¼Ûºñ, Æ÷Âø·üÀ» ÀÌ¿ëÇØ ÃßÁ¤µÈ °ª°ú ½ÇÃø À¯ÀÔÀ¯»ç·®À» ºñ±³ÇÑ °á°ú, ¾Æ»êÈ£ÀÇ °æ¿ì ¿¬Æò±Õ ÃßÁ¤Ä¡´Â 5,665tonnes/yr, ½ÇÃøÄ¡´Â 12,937tonnes/yr, »ð±³È£ÀÇ °æ¿ì ÃßÁ¤Ä¡´Â 6,765tonnes/yr, ½ÇÃøÄ¡´Â 12,395 tonnes/yr À¸·Î ³ªÅ¸³µ´Ù.
Geographic Information System (GIS) combined with Universal Soil Loss Equation (USLE) was used to estimate the soil erosion of Asan Bay experiment watershed in Korea. Spatial data for each USLE factors were obtained from the Landsat-5 TM remote sensing images and 1/25,000 scale digital contour maps. Sediment yield to Asan Bay was estimated by the sediment delivery ratio and trap efficiency. The estimated sediment yield was compared with observed on the Asan and Sapgyo estuary sub-watershed within Asan Bay experimental watershed for the period from 1981 to 2000. The calculated total annual sediment yields from Asan and Sapgyo estuary sub-watershed to Asan Bay were 5,665tonnes/yr and 6,766tonnes/yr, respectively. The measured sediment yields were 12,937tonnes/yr and 12,395tonnes/yr, respectively on an average.
 
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¾Æ»ê¸¸;Åä¾çÀ¯½Ç;À¯»ç¿î¼Ûºñ;Æ÷Âø·ü;USLE;GIS;Asan Bay;soil erosion;sediment-delivery ratio;trap efficiency;USLE;GIS;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.6, 2003³â, pp.1059-1068
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922122604)
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