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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.6, 2007³â, pp.469-483
Á¦ÁÖµµ ÁöÇϼö ¼öÁúÀÇ ±¤¿ªÀû Ãß¼¼ Ư¼º ºÐ¼® - ¿°¼Ò ¹× Áú»ê¼ºÁú¼Ò¸¦ ´ë»óÀ¸·Î -
( Regional Trend Analysis for Groundwater Quality in Jeju Island - Focusing on Chloride and Nitrate Concentrations - )
±è±Ô¹ü;±èÁö¿í;¿øÁ¾È£;°í±â¿ø; Çѱ¹¼öÀÚ¿ø°ø»ç ±¹°¡ÁöÇϼöÁ¤º¸¼¾ÅÍ;Çѱ¹¼öÀÚ¿ø°ø»ç Á¶»ç±âȹó;Çѱ¹¼öÀÚ¿ø°ø»ç Á¶»ç±âȹó;Á¦ÁÖÆ¯º°ÀÚÄ¡µµ¼öÀÚ¿øº»ºÎ ¼öÀÚ¿ø¿¬±¸½Ç;
 
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Áú»ê¼ºÁú¼Ò¿Í ¿°¼ÒÀÌ¿ÂÀº ÁöÇϼö¿¡¼­ ÈçÈ÷ ³ªÅ¸³ª´Â Ç׸ñÀ¸·Î¼­ ³ó¾àÀÇ »ç¿ëÀ̳ª µµ½ÃÈ­ µî¿¡ ÀÇÇÏ¿© ÁÖ·Î ¹ß»ýÇÑ´Ù. ÀϹÝÀûÀ¸·Î µ¿ÀÏ ÁöÁ¡ÀÇ ÁöÇϼö ¼öÁú ÀÚ·á´Â °üÃø¸ÁÀÇ °æ¿ì¸¦ Á¦¿ÜÇϰí´Â »ùÇÃÀÇ ¼ö°¡ Á¦ÇÑÀûÀ̱⠶§¹®¿¡ ½Ã°è¿­ ÀڷḦ Ȱ¿ëÇÑ Ãß¼¼ Æò°¡¿¡ ÇѰ谡 ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â Á¦ÁÖµµ ¼ö°èÀÇ ºÐÆ÷ Ư¼º, ÀúÁö´ëÀÇ ³·Àº ÁöÇü °æ»ç, ¼ö¸®Àû Ư¼º ¹× ´Ù°øÁú ÁöÁú Ư¼º µîÀ» °í·ÁÇÏ¿© $500m{ imes}500m$ °£°ÝÀÇ °ÝÀÚ¸¦ ÀÛ¼ºÇÏ°í °ÝÀÚ³»¿¡ Æ÷ÇÔµÈ ¼öÁú°Ë»ç ÀڷḦ ¸ðµÎ ÃëÇÕÇÏ¿© ½Ã°è¿­ µ¥ÀÌÅ͸¦ Çü¼ºÇÑ ÈÄ SenÀÇ ¹æ¹ýÀ» Ȱ¿ëÇÑ ¼öÁú Ãß¼¼ºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù. ¿°¼ÒÀ̿ ³óµµÀÇ °æ¿ì¿¡´Â Ãß¼¼Æò°¡ ´ë»ó °ÝÀÚÀÇ 10.6%, Áú»ê¼ºÁú¼ÒÀÇ °æ¿ì¿¡´Â 22.4%°¡ 1990³â´ë »ó¹Ý±â¿¡¼­ 2000³â´ë ÃʱîÁö »óÇâ Ãß¼¼¸¦ º¸ÀÌ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ƯÈ÷ Áú»ê¼º Áú¼ÒÀÇ »óÇâ Ãß¼¼´Â ¼­ºÎ ¹× ³²ºÎÀÇ ÇϺΠÁ߻갣 Áö¿ª¿¡ ¶Ñ·ÇÇÏ°Ô ³ªÅ¸³µ´Ù. ÀÌ¿Í °£Àº ¿øÀÎÀº 1990³â´ë ÀÌÈÄÀÇ Á߻갣 Àα٠Áö¿ªÀÇ °³¹ß¿¡ µû¸¥ µµ½ÃÈ­ µî¿¡ ÀÇÇÏ¿© ³ªÅ¸³­ °ÍÀ¸·Î ÃßÁ¤µÇ¾ú´Ù. º» ¿¬±¸ °á°ú, Á¦ÁÖµµ Áö¿ªÀÇ ÁöÇϼö °ü¸® Á¤Ã¥Àº Á߻갣 Áö¿ªÀÇ ¼öÁú º¯È­¿Í ÅäÁöÀÌ¿ë º¯È­ µîÀ» ÃæºÐÈ÷ °í·ÁÇÏ¿© ÃßÁøµÇ¾î¾ß ÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
Nitrate and chloride are the most common contaminants in groundwater and their concentrations increase easily due to fertilizer consumption and urbanization. The number of time series data for groundwater quality at a single site was not sufficient to analyze trends on Jeju Island. Therefore rectangle grids were drawn for the whole island and single grid was determined to be $500m{ imes}500m$ after considering similar stream density, homogeneous hydraulic coefficients, geologic features of volcanic rock and low topographic slopes. All data within each lattice were collected and arranged in time series order and analyzed using Sen's method. 10.6 % of the total lattices for chloride and 22.4% for nitrate showed upward trends from the early 1990's to the early 2000's. Especially, upward trends for nitrate concentration are distinct in the low mid-mountainous areas of western and southern watersheds. Many septic tanks and much domestic waste from the urbanization of the low mid-mountainous area have produced this upward trend. Additionally, the agricultural region has dramatically increased since the 1990's and this has led to an increase of fertilizer consumption and, as a result, nitrate concentration. Therefore, the target of any management plan for groundwater quality on Jeiu Island needs to be focused on careful land use decisions in the mid-mountainous areas which are near Halla Mountain.
 
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ÁöÇϼö;¼öÁúÃß¼¼;Áú»ê¼ºÁú¼Ò;¿°¼Ò;SenÀÇ ¹æ¹ý;Groundwater;quality trend;nitrate;chloride;Sen's method;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.6, 2007³â, pp.469-483
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200727500218630)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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