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Çѱ¹¼öÀÚ¿øÇÐȸ / v.29, no.5, 1996³â, pp.235-244
¿ÍÈ®»ê ¹× È¥ÇÕÃþ ¸ðµ¨À» ÀÌ¿ëÇÑ ¼ºÃþÈ­ È£¼ö ÇØ¼®
( Analysis of Stratified Lake using an Eddy Diffusion and a Mixed-Layer Models )
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È£¼ö¿¡¼­ÀÇ ¼öÁ÷¿ÂµµºÐÆ÷¸¦ ¸ðÀÇÇϱâ À§ÇÏ¿©, ¼ö¸®ÇÐÀû Ư¼º Áï À¯¼ÓºÐÆ÷°¡ ÇÊ¿ä¾ø´Â ÀÏÂ÷¿ø ¿ÍÈ®»ê¸ðµ¨ ¹× È¥ÇÕÃþ¸ðµ¨ÀÌ °³¹ß, Àû¿ëµÇ¾úÀ¸¸ç °¢ ¸ðµ¨ÀÇ °á°ú°¡ ºñ±³, °ËÅäµÇ¾ú´Ù. ÀüÀÚ´Â Áö¹è¹æÁ¤½Ä À¯µµ½Ã ºÐÀÚÈ®»êÀ» ¸ðµ¨Àû¿ë½Ã ³â°£ ¼ö¸éº¯È­¸¦ ¹«½ÃÇßÀ¸¸ç, ÈÄÀÚ´Â °£´ÜÇÑ ÇØ¼®À» À§ÇÏ¿© ÀÏÁ¤ÇÑ ÃþÀÇ µÎ²²¸¦ °¡Á¤ÇÏ¿´´Ù. È£¼öÇ¥¸é°ú ¹Ù´Ú¿¡¼­ÀÇ ¿Âµµ°æ°èÁ¶°ÇÀÌ °¢°¢ ¿­ ¿¡³ÊÁöÀÇ À̵¿¿¡ ÀÇÇØ¼­ °áÁ¤µÇµµ·Ï ÇÏ´Â ¿ÍÈ®»ê¸ðµ¨Àº explicit À¯ÇÑÂ÷ºÐ¹ýÀ», µÎÃþÀ» ÀÌ¿ëÇϴ ȥÇÕÃþ¸ðµ¨Àº Runge-Kutta ¹æ¹ýÀ» »ç¿ëÇÏ¿´´Ù. ÃøÁ¤µÈ µ¥ÀÌŸ¿Í ¿ÍÈ®»ê¸ðµ¨ ¹× È¥ÇÕÃþ¸ðµ¨ÀÇ °è»êÄ¡¿Í ºñ±³Çغ» °á°ú, ¸¸Á·ÇÑ °á°ú¸¦ µµÃâÇÏ¿´´Ù. µû¶ó¼­, È£¼ö°ü¸®ÀÇ ¼ö´ÜÀ¸·Î ÀÌ ¸ðµ¨µéÀ» À¯¿ëÇÏ°Ô ÀÌ¿ëÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÈ´Ù.
A one-dimensional eddy diffusion model and a mixed-layer model are developed and applied to simulate the vertical temperature profiles in lakes. Also the running results of each method are compared and analyzed. In an eddy diffusion model, molecular diffusivity is neglected and eddy diffusivity which does not need lake-specific fitting parameter and constant lake's level are applied. The heat exchanges at the water surface and the bottom are formulated by the energy balance and zero energy gradient, respectively. In a mixed-layer model, two layers approach which has a constant thickness is adopted. Application of these models which use explicit finite difference an Runge-Kutta methods respectively demonstrates that the models efficiently simulate water temperatures.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.29, no.5, 1996³â, pp.235-244
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920097884)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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