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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.27, no.2, 2009³â, pp.183-190
ÀÌ¿øÃµ ¼öÁú¿¡ ¹ÌÄ¡´Â »ï¸²½Ä»ý°ú Åä¾çȯ°æ¿äÀÎ
( A Study on the Forest Vegetation and Soil-environmental Factors Affecting the Water Quality of Iwonch on Stream )
¹æÁ¦¿ë;¾ç±Ýö; ¼­¿ï¿©ÀÚ´ëÇб³ ȯ°æ»ý¸í°úÇкÎ;°øÁÖ´ëÇб³ °Ç¼³È¯°æ°øÇкÎ;
 
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½Ä»ý¿äÀÎ, Åä¾çȯ°æ¿äÀÎÀÌ ¼öÁú¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¿¬±¸ÇϰíÀÚ 1993~1997³âÀÇ ÀڷḦ Åä´ë·Î 2003~2007³â¿¡ °ÉÃÄ Á¶»ç¸¦ ½Ç½ÃÇÏ¿´´Ù. Á¶»çÀ¯¿ªÀ» 11°³ ¼ÒÁý¼ö¿ªÀ¸·Î ¼¼ºÐÇϰí ÇÏõ À¯¿ªÀÇ ¿À¿°¿ø µ¿ÅÂ, ½Ä»ý¿äÀΰú ÇÏõ¼öÁú, Åä¾ç¿äÀΰú ÇÏõ¼öÁúÀÇ »ó°ü¼ºÀ» »ýÅÂÇÐÀû °üÁ¡¿¡¼­ ±Ô¸íÇϰíÀÚ Á¶»ç¸¦ ½Ç½ÃÇÏ¿´´Ù. ½Ä»ýÇüÀº ÃÑ 10°³ typeÀ¸·Î ±¸ºÐµÇ¾úÀ¸¸ç ½Ä»ýÇüº° ¼öÁú°úÀÇ »ó°üÀº ƯÈ÷, ±¼Âü³ª¹«±º¶ô¿¡¼­ ¿ëÁ¸»ê¼Ò(DO)¿Í 5% ¼öÁØ(r=0.98)¿¡¼­, ÀϺ»ÀÙ°¥³ª¹«½ÄÀ縲°ú T-P´Â 1% ¼öÁØ(r=1)¿¡¼­ À¯ÀÇÇÑ »ó°üÀ» ³ªÅ¸³»°í ÀÖ¾ú´Ù. ¶ÇÇÑ, »ï¸²¸éÀû°ú ÃÑÀÎ($Y_{T-P}$=-0.0017X+0.2215, r=0.16), COD´Â $Y_{COD}$=-0.0395X+8.5051 (r=0.47)´Â ¿ªÀÇ »ó°üÀ» BOD´Â $Y_{BOD}$=0.0098X+3.0381 (r=0.19)·Î °ÅÀÇ »ó°üÀÌ ¾ø´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Á¶»çÁö¿ªÀÇ Åä¾çÇüÀº ¼­ÂÊÀÇ Åä¾çÀº ´Ü¼øÇÏÁö¸¸ µ¿ÂÊÀº ¾Ï¼âÅ並 ºñ·ÔÇÏ¿© ÀûȲ»öÅä, ÅðÀûÅä µî ¸Å¿ì º¹ÀâÇÑ ¾ç»óÀ» ¶ì°í ÀÖ´Ù. pH´Â 5.4~6.0ÀÇ ¹üÀ§·Î ³ªÅ¸³µ´Âµ¥ Àü±¹ Åä¾ç pHÀÇ Æò±ÕÄ¡ÀÎ 5.4~6.9¿Í °ÅÀÇ ºñ½ÁÇÏ¿´´Ù. ±×·¯³ª TS´Â 75.8~80.2%, VS´Â 3.80~5.80%ÀÇ ¹üÀ§·Î Àü±¹ÀÇ Æò±ÕÄ¡º¸´Ù ÈξÀ ³ô¾Ò´Ù. Ç¥ÅäÀÇ ±íÀÌ¿Í À¯Ãâ·®°ú´Â $Y_{run-off}$=-1.0088X+35.378 (r=0.68)·Î ºÎ(-)ÀÇ »ó°üÀÌ Àִµ¥ »ó·ùÁö¿ª¿¡¼­´Â »ó°üÀÌ ³·°í, ÇÏ·ù Áö¿ªÀ¸·Î °¥¼ö·Ï ³ôÀº »ó°üÀ» ³ªÅ¸³»°í ÀÖ´Ù. ÀÌ´Â »ó·ùÁö¿ªÀÇ °æ¿ì Æò±Õ°æ»ç°¡ ³ô¾Æ Ç¥ÅäÀÇ ±íÀÌ¿¡ °ü°è¾øÀÌ À¯Ãâ·®ÀÌ Áõ°¡Çϱ⠶§¹®À¸·Î »ó·ùÁö¿ªº¸´Ù´Â ÇÏ·ùÁö¿ªÀÇ Ç¥Åä °ü¸®¸¦ öÀúÈ÷ ÇØ¾ß À¯Ãâ·®ÀÌ ÀÏÁ¤È÷ À¯ÁöµÉ °ÍÀ¸·Î º¸ÀδÙ. ¶ÇÇÑ, Åä¾çȯ°æ¿äÀΰú ¼öÁúÇ׸ñ °£ÀÇ À¯ÀǼºÀº Åä¾ç pH¿Í ÇÏõ¼öÁúÀÇ pH °£¿¡ À¯ÀÇÇÑ Â÷À̰¡ ÀÖ´Â °ÍÀ¸·Î È®ÀεǾú´Ù.
Characterization of the analysis of forest vegetation, soil environmental conditions and water quality were performed from March 2003 to March 2007. The two basins were characterized by cultivated area (Kaesim reservoir) and mountain area (Jangchan reservoir), and divided into eleven small basins, where dynamics of pollutants, forest vegetation and soil environmental conditions were surveyed. The vegetation can be divided into 10 types by $Zddot{u}rich$-Montpellier school's method. Pearson coefficients between vegetation type and water quality were correlated with dissolved oxygen (DO) in the Quercus variabilis community at the 5% level and total phosphorus (TP) in the Larix leptolepis plantation at the 1% level. Especially total phosphorous and total nitrogen increased in small basins where the proportion of cultivated and residential area increased. The analysis of influences of pollutant discharge on water quality showed that pollutant charge was very low in forest land area ($Y_{T-P}$=-0.0017X+0.2215, r=0.16, $Y_{COD}$=- 0.0395X+8.5051 r=0.47). The soil types of western area were comparatively simple, but those of eastern area were complicated with regosols, red-yellow soils, lithosoles, etc. The pH, total solid (TS) and volatile substance (VS) of the forest and agricultural land soils collected in each site were 5.4~6.9, 75.8~80.2%, and 3.80%~5.80%, respectively. According to the analytical result of soil environmental conditions, heavy metal contents fell short to the mean value of natural conditions. Runoff amount (Y) and depth of topsoil (X) were negatively correlated, $Y_{ron}=-1.0088X_{top}+35.378$ (r=0.68). The correlation was much lower in up-stream but much higher in down-stream, because permeation into soil particle was larger on down-stream due to its more or less gentle slope. Pearson coefficients between soil pH and water pH were statistically significant at 1% level.
 
Ű¿öµå
forest vegetation;runoff amount;soil environmental conditions;water quality;
 
ȯ°æ»ý¹° / v.27, no.2, 2009³â, pp.183-190
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200919061725458)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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