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Çѱ¹¼öÀÚ¿øÇÐȸ / v.44, no.1, 2011³â, pp.23-30
È«¼ö±â Çϱ¸·Î À¯ÀÔµÈ ´ã¼ö·Î ÀÎÇÑ ¸¸¿¡¼­ÀÇ ¿°ºÐºÐÆ÷ º¯È­¿¡ °üÇÑ ¿¬±¸
( Study on Salinity Distribution Change by the Fresh Water at the Bay in Flood )
ÀÌÇö¼®;À̽ð¡¿Í Ÿ´ÙÇÏ·ç;±è¿µ¼º;äȿ¼®; Çѱ¹¼öÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;ÀϺ» T.I.Tech (µ¿°æ°ø¾÷´ëÇÐ) ȯ°æÀ̰øÇÐâÁ¶°ú;Çѱ¹¼öÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;Çѱ¹¼öÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;
 
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È«¼ö ȤÀº À¶¼³·Î ÀÎÇÑ ´ë·®ÀÇ ´ã¼öÀ¯ÀÔÀº ¸¸¿¡¼­ÀÇ ¿°ºÐ³óµµ¸¦ ±Þ°ÝÈ÷ ÀúÇϽÃ۸ç, ±×·¯ÇÑ º¯È­´Â ±ÙÇØ »ý¹°µéÀÇ ¼­½Äȯ°æÀ» ÆÄ±«ÇÏ´Â °æ¿ìµµ ÀÖ´Ù. ±×·¯¹Ç·Î ÀÚ¿¬È¯°æÀÇ ÀûÀýÇÑ È°¿ë ¹× »ý¹°µéÀÇ º¸È£¸¦ À§ÇØ ¸¸¿¡¼­ÀÇ ¿°ºÐºÐÆ÷¸¦ Á¤·®ÀûÀ¸·Î ÆÄ¾ÇÇÏ´Â ¿¬±¸´Â ¸Å¿ì Áß¿äÇÏ´Ù. º» ¿¬±¸¿¡¼­´Â 1Â÷ÀûÀ¸·Î À§¼º¿µ»ó°ú ʵµ¿ÍÀÇ »ó°ü¼ºÀ» Á¶»çÇϰí, 2Â÷ÀûÀ¸·Î´Â ʵµ¿Í ¿°ºÐ³óµµ¿ÍÀÇ »ó°ü¼ºÀ» ÀÌ¿ëÇÏ¿© ¸¸¿¡¼­ÀÇ ¿°ºÐºÐÆ÷¸¦ ±¸ÇÏ¿´´Ù. º» ¿¬±¸ÀÇ ÁÖ¿ä ¼º°ú´Â ´ÙÀ½°ú °°´Ù. ù° À§¼º¿µ»óÀÇ RGB¹êµå¿Í ʼö¿ÍÀÇ º¯º°·Â Æò°¡¸¦ À§ÇØ ¸¸À» 4°³ ±¸¿ªÀ¸·Î ºÐÇÒÇÏ¿© ºñ±³ÇÏ¿´À¸¸ç, Band2¿Í Band3ÀÇ Á¶ÇÕÀÌ Å¹¼ö°Åµ¿ ÀçÇö¿¡ °¡Àå È¿°úÀûÀÓÀ» ±Ô¸íÇÏ¿´´Ù. µÑ° °üÃø¼Ò·ÎºÎÅÍ Çϱ¸±îÁöÀÇ µµ´Þ½Ã°£À» °è»êÇÑ ÈÄ »ó·ù¿¡¼­ °üÃøµÈ ʵµ·ÎºÎÅÍ Çϱ¸ÀÇ Å¹µµ¸¦ ÃßÁ¤ÇÏ¿´´Ù. ¼Â° Çϱ¸¿¡¼­ÀÇ Å¹µµ¿Í ½ÉÇØÀÇ ¿°ºÐ³óµµ¿ÍÀÇ °ü°è¸¦ ÀÌ¿ëÇÏ¿© À§¼º¿µ»óÀ» ¿°ºÐºÐÆ÷·Î º¯È¯ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ Á¦½ÃµÈ ¸¸¿¡¼­ÀÇ ¿°ºÐºÐÆ÷ Á¶»ç¹æ¹ýÀº ´ë»óÁö¿ªÀÇ °ø°£Àû Ư¼ºÀ» °í·ÁÇØ º¼ ¶§ ºñ±³Àû ½Å·ÚÇÒ ¸¸ÇÏ´Ù°í »ç·áµÈ´Ù.
Any significant inflow of fresh water due to flood or snow melting can rapidly reduce salinity at the bay. In such a case, the habitat environment in the sea near river mouth can be partly destroyed. Therefore, research to understand the salinity distribution quantitatively at the bay for the utilization of natural environment and for the inhabitant conservation must be very important. In this study, the investigation on the relationship between satellite image and turbidity is carried out first, and then the salinity distribution at the bay using the relationship between turbidity and salinity is derived. The main results are as follows. First the reappearance ability of RGB bands respectively of the satellite image is investigated, and then it was confirmed that the combination of band2 and band3 expressed best the movement characteristics of turbid water at the bay is chopped up into 4 small areas. Second the turbidity of river mouth is estimated using the travel time from the upward monitoring station to the river mouth. Finally the satellite image is converted into the salinity distribution by the correlation of salinity and turbidity. It is confirmed that the salinity distributions obtained from above three investigation methods are quite reasonable and clear.
 
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À§¼º¿µ»ó;ʵµ;¿°ºÐ³óµµ;È«¼ö;À¶¼³;´ã¼ö;satellite image;turbidity;salinity;flood;snow melting;fresh water;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.44, no.1, 2011³â, pp.23-30
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201107049668121)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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