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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.2, 2008³â, pp.163-172
¼ö¹®º¯È­ ÁöÇ¥¹ý¿¡ ÀÇÇÑ ¿µÃµ´ïÀÌ ÇÏ·ùÇÏõ¿¡ ¹ÌÄ¡´Â À¯È²º¯È­ ºÐ¼®
( Hydrologic Regimes Analyses on Down Stream Effects of the Young Chun Dam by Indicators of Hydrologic Alterations )
¹ÚºÀÁø;±èÁØÅÂ;Àåâ·¡;Á¤°ü¼ö; Çѱ¹¼öÀÚ¿ø°ø»ç ´ï.À¯¿ª°ü¸®Ã³, ÇÏõÀ¯¿ªÆÀ;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;Ãæ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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ÇÏõÀÇ À¯È²Æ¯¼ºÀ» Æò°¡ ÇÏ´Â °ÍÀº ÇÏõ»ýŰèÀÇ ÀÎÀ§ÀûÀÎ º¯ÇüÀ» ÀÌÇØÇÏ°í ¿¹ÃøÇϴµ¥ Áß¿äÇÑ ¿ªÇÒÀ» ÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â ´ï °Ç¼³¿¡ µû¸¥ ÇÏ·ùÇÏõÀÇ ¿µÇâÀ» ºÐ¼®ÇϰíÀÚ ¼ö¹®º¯È­ ÁöÇ¥¸ðÇüÀ» ÀÌ¿ëÇÏ¿© ¿ë¼ö Àü¿ë´ïÀÎ ¿µÃµ´ïÀ» ´ë»óÀ¸·Î ´ï °Ç¼³Àü ÈÄÀÇ À¯È²º¯µ¿À» ºÐ¼®ÇÏ¿´´Ù. ºÐ¼®°á°ú´Â ´ÙÀ½°ú °°´Ù. (1) ¿ù Æò±ÕÀ¯·®Àº °¥¼ö±â¿Í È«¼ö±â ¸ðµÎ ´ï°Ç¼³ ÈÄ °¨¼ÒÇÏ¿´´Ù. (2) ¿¬ ±ØÄ¡À¯·®ÀÇ Å©±â¿Í ±â°£ ºÐ¼®°á°ú, ´ï °Ç¼³Àü ÈÄÀÇ 1ÀÏ ÃÖ¼ÒÀ¯·®Àº $3.48m^3/sec$¿Í $0.89m^3/sec$ ÀÌ¿´À¸¸ç, 1ÀÏ ÃÖ´ëÀ¯·®Àº $833.1m^3/sec$¿Í $672.1m^3/sec$ À̾ú´Ù. (3) ¿¬±ØÄ¡ À¯·®ÀÇ ¹ß»ý½Ã±â ºÐ¼®°á°ú, ÃÖ¼ÒÀ¯·®ÀÇ Julian Day´Â ´ï °Ç¼³Àü 180 ÀÏ(6¿ù), ´ï °Ç¼³ ÈÄ 257 ÀÏ(9¿ù)À̾úÀ¸¸ç, ÃÖ´ëÀ¯·®ÀÇ Julian Day´Â ´ï °Ç¼³ Àü 209 ÀÏ(7¿ù), ´ï °Ç¼³ ÈÄ´Â 217 ÀÏ(8¿ù)¿¡ ¹ß»ýÇÏ¿´´Ù. (4) È«¼ö¸ÆÆÄÀÇ ºóµµ¿Í ±â°£ÀÇ ºÐ¼®°á°ú, Àú¸ÆÆÄ(Low Pulse)ÀÇ ¹ß»ýȽ¼ö´Â ´ï °Ç¼³Àü 3ȸ, Áö¼Ó±â°£Àº 23 ÀÏ, ´ï °Ç¼³ ÈÄ¿¡´Â 7ȸ, Áö¼Ó±â°£ 61 ÀÏÀ̾úÀ¸¸ç, °í¸ÆÆÄ(High Pulse)ÀÇ ¹ß»ýȽ¼ö´Â ´ï °Ç¼³ Àü 4ȸ Áö¼Ó±â°£Àº 2 ÀÏ, ´ï °Ç¼³ÈÄ¿¡´Â 2ȸ 1.2 ÀÏ·Î ºÐ¼®µÇ¾ú´Ù. (5) º¯È­À²°ú ºóµµÀÇ ºÐ¼®°á°ú, »ó½ÂÀ²Àº ´ï °Ç¼³ Àü, ÈÄÀÇ °¢°¢ 39.27 %¿Í 19.36 %·Î ´ï °Ç¼³ Àü¿¡ ¼ö¹®º¯µ¿ÀÌ Å©°Ô ¹ß»ýÇÏ¿´À¸¸ç, °¨¼ÒÀ²Àº °¢°¢ -15.85 %¿Í -8.16 %·Î ºÐ¼®µÇ¾ú´Ù. (6) ºÐ»êÁ¤µµ¸¦ º¯µ¿°è¼ö·Î ºÐ¼®ÇÏ¿´À¸¸ç, 1ÀÏ ÃÖ¼Ò ÃÖ´ëÀ¯·®Àº 0.9054¿¡¼­ 0.6314¿Í 1.0440¿¡¼­ 0.9617·Î ¸ðµÎ °¨¼ÒÇÏ¿´À¸¸ç, ¿¬ ±ØÄ¡À¯·® ¹ß»ý½Ã±â´Â ´ï °Ç¼³Àü ÈÄ ÃÖ¼ÒÀ¯·®Àº 0.269¿¡¼­ 0.282, ÃÖ´ëÀ¯·®Àº 0.069¿¡¼­ 0.153À¸·Î ´ï°Ç¼³ÀÌÈÄ º¯µ¿°è¼ö°¡ Áõ°¡ÇÏ¿´´Ù.³ªÅ¸³ª ÀÚ¿¬°­¿ì Á¶°Ç¿¡¼­µµ ³ôÀº »ýÁ¸À²À» º¸¿´´Ù. »ó±â°á°ú·Î º¼ ¶§ Á¾ÀÚÆÄÁ¾À¸·Î ¸¸µç Ç÷¯±× ¹¦ ½ÄÀç´Â Çѱ¹Àܵð Á¶¼º ½Ã ÆÄÁ¾ÀÇ ´ÜÁ¡À» ±Øº¹ÇÒ ¼ö ÀÖ´Â ¾ÈÀüÇϰí È¿À²ÀûÀÎ ¹æ¹ýÀ¸·Î ³ªÅ¸³µ´Ù. ¹æ¹ýÀº ÀçÇö¼º ÀÖ´Â ¾ÈÁ¤Àû ºÐ¼®Á¶°ÇÀ» Á¦°øÇÑ´Ù´Â Á¡¿¡¼­ µÎ ¾àÁ¦ÀÇ ÀÜ·ùºÐ¼®¿¡ À¯¿ëÇÏ°Ô Àû¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù.·Î ÀÛ¿ëÇÏ¿´´Ù.> dS $m^{-1}$À̾ú°í, Æò±ÕÀº 1.15 dS $m^{-1}$À̾ú´Ù. $NO_3-N$, $PO_4-P$, $K^+$, $Ca^{2+}$, $Mg^{2+}$ ¹× $Na^+$ ÀÇ ºÐÆ÷¹üÀ§´Â °¢°¢ $10sim212$, $0.56sim26.1$, $10sim295$, $16sim215$, $9sim54$ ¹× $10sim53$ mg $L^{-1}$À̾ú´Ù. Æò±Õ ³óµµ °ªÀº $NO_3-N$ 100, $PO_4-P$ 12.15, $K^+$ 99, $Ca^{2+}$ 78, $Mg^{2+}$ 26 ¹× $Na^+$ 26 mg $L^{-1}$À̾ú´Ù. ¾ç¾× Àç¹è ÈÄ ¹ö·ÁÁö´Â Æó¾ç¾× ÁßÀÇ ¹«±â¼ººÐ ÇÔ·®Àº ¾ç¾×Àç¹è¿¡ ÀÌ¿ëµÇ´Â ¿ø¼ö¿¡ ºñÇØ »ó´çÈ÷ ³ô¾ÆÁ³´Ù.·á·Î¼­ ÀÀ¿ë °¡´É¼ºÀÌ ÀÖÀ½À» ½Ã»çÇÑ´Ù.¾àÀç·áÀÎ ¾àÃÊ·ù µîÀ» ÀÌ¿ëÇÏ¿´´Âµ¥ ¿À·§µ¿¾È Ç« »î¾Æ ±×¹°¿¡ °î·ù µîÀ» ³Ö¾î Á×À̳ª ¹äÀ¸·Î Á¶¸®ÇÏ¿´À¸¸ç ¸éÀ¸·Îµµ Á¶¸®ÇÏ¿´´Ù. ÀÌ»ó°ú °°ÀÌ Á¶¼±½Ã´ë ÁֽķùÀÇ Á¾·ù ¹× Á¶¸®¹æ¹ý¿¡ ´ëÇÑ ¹®ÇåÀû °íÂûÀ» ºÐ¼®ÇÑ °á°ú·Î Á¶¼±½Ã´ë·ÎºÎÅÍ ÇöÀç±îÁö ÁֽķùÀÇ º¯Ãµ°úÁ¤À» ÆÄ¾ÇÇÒ ¼ö ÀÖ¾úÀ¸¸ç
Hydrologic regimes play a major role in determining the biotic composition, structure, and function of river ecosystem. In this study, hydrologic regimes were analyzed on down stream effects of the Young-Chun dam construction using the Indicators of Hydrologic Alterations(IHA). The analysis results were as follows ; (1) Monthly mean flows were decreased during drought and flood season on the pre and post dam, (2) Magnitude and Duration of Annual Exterm Conditions, annual minima 1-day means was $3.48m^3/sec$, $0.89m^3/sec$ and annual maxima 1-day mean was $833.1m^3/sec$, $672.1m^3/sec$ on the pre and post dam (3) Timing of Annual Exterm conditions, Julian date of the annual minima 1-day means was 180th(June) in the pre dam, 257th(September) in the post dam, Julian date of the annual maxima 1-day means was 209th(July) in the pre dam, 217th(August) in the post dam, (4) Frequency and Duration of High and Low Pulse, Low Puls counts and duration were 3 times and 23 days in the pre dam, High Pulse counts and duration were 4 times and 2 days in the pre dam. (5) Rate and Frequency of Water Condition Changes, rise rates was 39.27 %, 19.36 % and fall rates -15.85 %, -8.16 % in the pre and post dam, respectively (6) Coefficient of Variation, annual exteram water conditions were decreased from 0.9054 to 0.6314 and from 1.0440 to 0.9617, Timing of Annual Exterm conditions were incereased for minima flow from 0.269 to 0.282, for maxima form 0.069 to 0.153.
 
Ű¿öµå
¼ö¹®º¯È­ÁöÇ¥¹ý;À¯È²;Å©±â;¿¬ ±ØÄ¡À¯·® Å©±â¿Í ±â°£;¿¬ ±ØÄ¡À¯·® ¹ß»ý½Ã±â;È«¼ö¸ÆÆÄ ºóµµ¿Í ±â°£;º¯È­À²°ú ºóµµ;Indicators of Hydrologic Alteration(IHA);Hydorlogic Regime;Magnitude;Magnitude and Duration of Annual Exterm Conditions;Timing of Annual Exterm conditions;Frequenct and Duration of High and Low Pulses;Rate and frequency of water comdition changes;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.2, 2008³â, pp.163-172
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200807341722489)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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