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Çѱ¹¼öÀÚ¿øÇÐȸ / v.30, no.6, 1997³â, pp.621-628
Fick È®»ê ¸ðÇüÀ» ÀÌ¿ëÇÑ ÇÏ»ó ±¼Âø °ø»ç·ÎºÎÅÍÀÇ ºÎÀ¯¹°Áú ³óµµ »êÁ¤
( Estimation of Suspended Solids Concentration Caused by Stream Bed Excavation Works through the Application of the Fickian Diffusion Model )
¾È¸í±æ; »ïô»ê¾÷´ëÇб³ Åä¸ñ°øÇаú;
 
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ÇÏ»ó ±¼Âø °ø»ç´Â °ñÀç äÃë, Åä»çÁؼ³, ±³·® °Ç¼³ ¶Ç´Â ÇÏõÀ» Ⱦ´ÜÇÏ¿© ¸Å¼³ÇÏ´Â °ü·Î °ø»ç µî ¿©·¯ °¡Áö °æ¿ì¿¡ ÀÌ·ç¾îÁö°í ÀÖ´Ù. ÀÌ·¯ÇÑ ÇÏ»ó ±¼Âø °ø»ç °úÁ¤¿¡¼­ ¹ß»ýÇÏ´Â ´Ù·®ÀÇ ºÎÀ¯¹°Áú(SS)Àº ¼öÁúÀ» ¿À¿°½Ã۸ç ȯ°æ¿¡ ¾Ç¿µÇâÀ» ¹ÌÄ¡°Ô µÈ´Ù. º» ³í¹®¿¡¼­´Â ÇöÀå ¿©°Ç»ó Á¤±³ÇÑ ¼öÄ¡ÇØ¼®¸ðÇüÀ» Àû¿ëÇÒ ¼ö ¾ø´Â °æ¿ì¿¡, 2Â÷¿ø À̼Û-È®»ê ¸ðÇüÀ» ´Ü¼øÈ­ÇÏ¿© À¯µµÇÑ Fick È®»ê ¸ðÇü¿¡ ÀÇÇÏ¿© ºÎÀ¯¹°ÁúÀÇ ³óµµ¸¦ »êÁ¤ÇÏ°í ¿ÀŹ ¹æÁö ½Ã¼³ ¼³Ä¡¿¡ µû¸¥ ºÎÀ¯¹°Áú ³óµµÀÇ Àú°¨ È¿°ú¸¦ Æò°¡ÇÏ´Â ¹æ¹ýÀ» °ËÅäÇÏ¿´´Ù. °­¿øµµ µ¿Çؽÿ¡ À§Ä¡ÇÑ ÀüõÀÇ ¼ÛÀ¯°ü·Î ¸Å¼³°ø»ç¸¦ ´ë»óÀ¸·Î, Fick È®»ê ¸ðÇüÀÌ ÇÏ»ó ±¼ÂøÀ¸·ÎºÎÅÍ ¹ß»ýÇÏ´Â ºÎÀ¯¹°ÁúÀÇ ³óµµ »êÁ¤°ú ¿ÀʹæÁö¸·ÀÇ ¼³Ä¡¿¡ µû¸¥ ¿À¿° Àú°¨ È¿°ú¸¦ »çÀü¿¡ ¿¹ºñÀûÀ¸·Î Æò°¡ÇÏ´Â ½Ç¹«ÀûÀÎ ¹æ¹ýÀÌ µÉ ¼ö ÀÖÀ½À» Á¦½ÃÇÏ¿´´Ù.
Excavation works on stream beds have been done for various reasons including aggregate collection, sediment dredging, bridge constructions, or laying pipes under the ground. These activities may cause significant loadings of SS (suspended solids) resulting in water pollution and other detrimental effects to the surrounding environment. This research investigates application potential of a fickian diffustion model, derived from two dimensional advection-diffusion equation through some simplifying assumptions, as a planning tool for the estimation of SS loadings from excavation works and evaluation fo pollution prevention measures in case that sophisticated numerical simulation models are not applicable due to various practical reasons. Through a case study of the Juncheon stream in the Donghae City on the Kangwondo Province, this study demonstrates applicability of the fickian diffustion model as a practical method for the preliminary estimation of Ss loadings from excavation works and evaluation of performance of fabrics made of synthetic fiber for the reduction of downstream SS concentration with deficient field data.
 
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ÇÏ»ó±¼Âø;Fick È®»ê¸ðÇü;ºÎÀ¯¹°Áú;¼öÁú¿À¿°;Åä»çÀ̼Û;stream bed excavation;fickian diffusion model;suspended solids;water pollution;sediment transport;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.30, no.6, 1997³â, pp.621-628
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920100565)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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