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  °£¹ú°ú °¡ÁöÄ¡±â°¡ ¼ö°ü·ù À̵¿¿¡ ¹ÌÄ¡´Â ¿µÇâ Effects of Thinning and Pruning on Rainfall Flow
  ±Û¾´ÀÌ : °ü¸®ÀÚ     ³¯Â¥ : 08-03-19 13:49     Á¶È¸ : 9253    
À㳪¹« ¹× Àü³ª¹«¸²¿¡¼­ °£¹ú°ú °¡ÁöÄ¡±â°¡ ¼ö°üÀú·ù·®, ÀÓ³»¿ì ¹× Â÷´Ü¼Õ½Ç·®¿¡ ¹ÌÄ¡´Â ¿µÇâ Effects of Thinning and Pruning on Canopy Storage Capacity,  Net Rainfall and Interception Loss in Pinus koraiensis and Abies holophylla Plots <Çѱ¹ÀÓÇÐȸÁö 93(7):453-463 Jour. Kor. For. Soc. 93(7):453-463 2004> Corresponding author kkyha@foa.go.kr
       
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  °£¹ú ÈÄ µÎ ¼öÁ¾ÀÇ ÀÓ³»¿ì º¯È­´Â ¼ö°üÅë°ú¿ì·®ÀÇ °æ¿ì À㳪¹«¸²Àº 5.4% Áõ°¡ÇÑ ¹Ý¸é Àü³ª¹«¸²Àº 14.3%°¡ Áõ°¡ÇÏ¿´´Ù. ¼ö°£À¯ÇÏ·®Àº À㳪¹«¸²ÀÇ °æ¿ì °£¹ú ÈÄ 21.7%°¡ °¨¼ÒÇÑ ¹Ý¸é Àü³ª¹«·³Àº ¹Ý´ë·Î 20.1%°¡ Áõ°¡ÇÏ¿´´Ù. Â÷´Ü¼Õ½Ç·®Àº °£¹ú ÈÄ À㳪¹«¸²ÀÇ °æ¿ì 10.5%°¡ °¨¼ÒÇÑ ¹Ý¸é¿¡ Àü³ª¹«¸²ÀÇ °æ¿ì 33.4%°¡ °¨¼ÒÇÏ¿´´Ù. ¿ùº° Â÷´Ü¼Õ½Ç·üÀº ¿ù°­¿ì·®ÀÌ Áõ°¡ÇÒ ¼ö ·Ï °¨¼ÒÇßÁö¸¸ ¿±¸éÀûÁö¼ö°¡ Áõ°¡ÇÏ´Â ¿©¸§Ã¶¿¡´Â ´Ù¸¥ °èÀý¿¡ ºñÇØ »ó´ëÀûÀ¸·Î Â÷´Ü¼Õ½Ç·üÀÌ ³ô°Ô ³ªÅ¸³µ´Ù.
  °£¹ú ÈÄ ¼ö°üÀú·ù´ÉÀº À㳪¹«¸²ÀÇ °æ¿ì 2.7mm¿¡¼­ 2.2mm·Î °¨¼ÒÇÏ¿´À¸¸ç Àü³ª¹«¸²ÀÇ °æ¿ì 2.8mm¿¡¼­ 1.7mm·Î °¨¼ÒÇÏ¿´´Ù. ÀÓ¿Ü°­¿ì·®°ú ÀÓ³»¿ì·® ¹× Â÷´Ü¼Õ½Ç·®ÀÇ °ü°è´Â ¸ðµÎ Á÷¼±È¸±Í½ÄÀ¸·Î ³ªÅ¸³¾ ¼ö ÀÖ¾úÀ¸¸ç ¼öÁ¾ ¹× ÀӺб¸Á¶¿¡ µû¶ó ȸ±Í½ÄÀÇ °è¼ö°ªÀº Å« Â÷À̸¦ º¸¿´´Ù. ÀÌ»óÀÇ °á°ú¸¦ ÅëÇØ ¾à 30³â»ý ħ¿±¼ö Àΰø¸²ÀÇ °æ¿ì °£¹ú°ú °¡ÁöÄ¡±â¸¦ ½Ç½ÃÇÏÁö ¾ÊÀ¸¸é ±ÍÁßÇÑ ¼öÀÚ¿øÀÇ ¾à 30% ÀÌ»óÀÌ Áö¸é¿¡ µµ´ÞÇϱâ Àü¿¡ ´ë±â ÁßÀ¸·Î Áõ¹ßÇÏ¿© ¼Õ½ÇµÇ¹Ç·Î ÀûÁ¤ÇÑ »ê¸²½Ã¾÷À» ½Ç½ÃÇÏ¿© °¡¿ë¼öÀÚ¿øÀ» ´Ã·Á¾ß ÇÑ´Ù.
This study was carried out to clarify the effects of thinning and pruning on canopy storage capacity, net rainfall and interception loss at the planted forest of Pinus koraiensis and Abies holophylla in Gwangneung hydrological station under Korea Forest Research Institute, Gyeonggi-do.
  It aims to supply a fundamental results, which need to develop the techniques on forest practices to increase available water resources in an artificial coniferous-forested watershed. The Pinus koraiensis and Abies holophylla forest was established in 1976 and practised from February to July, 1996. Total and net rainfall were monitored during the periods of March to September, 2003. Tipping bucket rain gauge recorded total rainfall. Throughfall and stemflow were measured by custom-made tipping bucket arid CR10X data logger at each 10m x l0m plot at intervals of 30 minutes.
  The amount of throughfall after thinning and pruning in Pinus koraiensis and Abies holophylla plots increased to 5.4% and 14.3% compared with that before thinning and pruning respectively. The amount of stemflow after thinning and pruning in finHr foroirufif plot decreased to 21.7% , but on the other hand that in  Abies holophylla plot increased to 20.1%. The amount of interception loss after thinning and pruning in Pinus koraiensis and Abies holophylla plots decreased 10.5% and 33.4%. In reviewing of monthly data, the percentage of interception loss per month decreased as monthly total rainfall increased but that tended to be higher in mid-summer when LAI was maximum than other season comparatively. The canopy storage capacity after thinning and pruning in Pinus koraiensis and Abies holophylla plots decreased from 2.7mm and 2.8mm to 2.2mm and 1.7mm. The relationships between total rainfall and net rainfall and interception loss were represented through the linear regression equations. The coefficients of regression equations were different depending on the tree species and stand structure.
  As considering the result above, the planted coniferous forest aged about 30 year-old may intercept 30% of total rainfall yearly before rain drop falls down on the forest floor. Available water resources may increase after the planted coniferous forest is tended properly.
Key words: througfall, stemflow, seasonal variation, water availability

   

 
   

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