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[ºê¶óÁú] ¼ö·Â¹ßÀü ¿¡³ÊÁö °ø±Þ, ¿­´ë¿ì¸² º¸Á¸ Á¿ì
 
 
PNAS(Proceedings of the National Academy of Sciences)¿¡ ¹ßÇ¥µÈ »õ·Î¿î ¿¬±¸´Â ¾Æ¸¶Á¸ °­ À¯¿ª(Amazon River Basin)¿¡¼­ ¿­´ë¿ì¸² º¸ÀüÀÌ ÀÌ Áö¿ªÀÇ ¼ö·Â¹ßÀü ÇÁ·ÎÁ§Æ®·ÎºÎÅÍ »ý»êµÇ´Â Àü±â ¾çÀ» Áõ°¡½Ãų °ÍÀ̶ó°í Á¦¾ÈÇß´Ù.
 
ÀÌ ¿¬±¸´Â ¿¡³ÊÁö »ý»ê¿¡ ´ëÇÑ Áö¿ªÀûÀÎ ¿­´ë¿ì¸² ÇǺ¹(rainforest cover)ÀÇ ¿µÇâÀ» Á¤·®È­ÇÑ ÃÖÃÊÀÇ ¿¬±¸¿´´Ù. ¿¬±¸ÁøÀÇ ¿¬±¸ °á°ú´Â ¿­´ë¿ì¸²ÀÌ ÇÏõ È帧À» ÃßÁøÇÏ¿© °­¿ì·®(rainfall)À» »ý¼º, Áï ±Ã±ØÀûÀ¸·Î µ¿·ÂÀ» »ý»êÇϴµ¥ ÀÌÀü¿¡ »ý°¢Çß´ø °Íº¸´Ù ÈξÀ ´õ Áß¿äÇÏ´Ù´Â »ç½ÇÀ» ¹àÇô³Â´Ù.
 
¿¬±¸ÁøÀº ¸¸¾à »ï¸² ¹úä(deforestation)°¡ ¾Æ¸¶Á¸ Áö¿ª¿¡¼­ Áö¼ÓÀûÀ¸·Î Áõ°¡ÇÑ´Ù¸é, ºê¶óÁú Belo Monte¿¡ À§Ä¡ÇÑ Àü ¼¼°è °¡Àå Å« ´ï Áß Çϳª¿¡¼­ »ý¼ºµÇ´Â ¿¡³ÊÁöÀÇ ¾çÀº 1/3±îÁö °¨¼ÒÇÒ °ÍÀ̶ó°í ¹àÇû´Ù.

ÀÌ ¿¬±¸´Â ºê¶óÁúÀÌ ¾öû³­ ¼Óµµ·Î ¾Æ¸¶Á¸ »ï¸² ¹ú並 Áö¿¬½ÃÅ°´Â °ÍÀÌ ºê¶óÁú ¿¡³ÊÁö °ø±ÞÀ» È®º¸Çϴµ¥ ½ÇÁ¦ÀûÀ¸·Î µµ¿òÀÌ µÉ °ÍÀ̶ó´Â °ÍÀ» º¸¿©ÁÖ¾ú´Ù°í ÀÌ ¿¬±¸ÀÇ ÁÖÀúÀÚÀ̸ç, IPAM-IP(Amazon Environmental Research Institute International Program) ¼Ò¼ÓÀÇ °úÇÐÀÚÀÎ Claudia Stickler´Â ¹àÇû´Ù. ±×·¯³ª ÀÌ·¯ÇÑ ³ë·ÂÀº Áö¿ªÀûÀÎ ¼öÁØ¿¡¼­ Çù·ÂÀ» ÅëÇÑ º¸Á¸ÀÌ Áö¼ÓµÇ¾î¾ß¸¸ ÇÑ´Ù°í Stickler´Â ÁöÀûÇß´Ù.

Áö¿ªÀû »ï¸² ¹úä·Î ÀÎÇÑ »ý»ê ¿ë·®(generation capacity)ÀÇ °¡´ÉÇÑ ¼Ò½ÇÀº Àü±â µ¿·Â¿¡¼­ ÀÓ¹ÚÇÑ °ÝÂ÷¸¦ ÃæÁ·½ÃÅ°±â À§ÇÑ ºê¶óÁú Á¤ºÎÀÇ ³ë·ÂÀ» ¹æÇØÇÒ ¼ö ÀÖ´Ù. ƯÈ÷, ÀÌ ¿¬±¸´Â ¸¸¾à ¾Æ¸¶Á¸ À¯¿ª¿¡¼­ »ï¸² ¹úä°¡ ¾ïÁ¦µÇÁö ¾Ê´Â´Ù¸é, Àü ¼¼°è¿¡¼­ ¼¼ ¹ø°·Î Å« ¼ö·Â¹ßÀü ÇÁ·ÎÁ§Æ®·Î °èȹµÈ ºê¶óÁú Belo Monte´ï¿¡¼­ °ø±ÞµÇ´Â ¿¡³ÊÁö´Â ÇöÀç »ê¾÷°è ÃßÁ¤ÀÇ 30% ¹Ì¸¸À¸·Î ¶³¾îÁú °ÍÀ̶ó´Â °ÍÀ» º¸¿©ÁÖ¾ú´Ù. ÀÌ·¯ÇÑ ¾çÀº 4¹é¸¸ ºê¶óÁú ±¹¹ÎÀÌ ¼ÒºñÇÏ´Â ¿¡³ÊÁö ¼Ò¸ð·®¿¡ »óÀÀÇÏ´Â °ÍÀÌ´Ù.

¿¬±¸ÁøÀÌ ±Ô¸íÇÑ °á°ú´Â Àå±âÀûÀÎ ¿¡³ÊÁö °èȹ¿¡ À־ ¸Å¿ì Áß¿äÇÏ´Ù°í ÀÌ ¿¬±¸ÀÇ ÀúÀÚ Áß ÇÑ »ç¶÷À̸ç, ºê¶óÁú UFV(Federal University of Vicosa) ¼Ò¼ÓÀÇ ±âÈÄÇÐÀÚÀÎ Marcos Costa´Â ¼³¸íÇß´Ù. º¸´Ù ´õ ¸¹Àº ¿­´ë¿ì¸²ÀÌ ³²À»¼ö·Ï, º¸´Ù ´õ ¸¹Àº ¹°ÀÌ ÇÏõ¿¡ º¸À¯µÉ °ÍÀ̸ç, µû¶ó¼­ ¼ö·Â¹ßÀü ÇÁ·ÎÁ§Æ®·ÎºÎÅÍ ´õ ¸¹Àº Àü±â¸¦ ¾òÀ» ¼ö ÀÖÀ» °ÍÀÌ´Ù.

¼ö¹®ÇÐ, »ýÅÂÇÐ, ÅäÁö ÀÌ¿ë °úÇÐ, ±âÈÄÇÐ ¹× °æÁ¦ÇÐ µîÀÇ Àü¹®°¡µéÀÇ Çù·ÂÀ¸·Î ±¸ÃàµÈ ¿¬±¸ÆÀÀº ¾Æ¸¶Á¸ °­ À¯¿ª¿¡¼­ ´Ù¸¥ »ï¸² ¹úä ¼öÁØ ÇÏ¿¡¼­ ¿¡³ÊÁö »ý»êÀ» ¸ðÇüÈ­Çß´Ù. ´õ ¸¹Àº »ï¸²À» º¸À¯ÇÑ ½Ã³ª¸®¿À°¡ °¡Àå ¸¹Àº µ¿·ÂÀ» »ý»êÇß´Ù.
 
ÀÌ Áö¿ª¿¡¼­ ÇöÀçÀÇ »ï¸² ¹úä ¼öÁØ¿¡ µû¶ó ¾ò¾îÁø °á°ú´Â °­¿ì·®ÀÌ Àüü »ï¸² ÇǺ¹·®ÀÏ ¶§ º¸´Ù 6~7% ´õ ³·¾ÆÁú °ÍÀ̶ó´Â °ÍÀ» º¸¿© ÁÖ¾ú´Ù. ±×¸®°í ÀϺΠ¿¹Ãø¿¡¼­ 2050³â±îÁö ÀϾ °ÍÀ¸·Î Àü¸ÁÇÏ°í ÀÖ´Â ¿­´ë¿ì¸²ÀÇ 40% ¼Ò½Ç ½Ã³ª¸®¿À¿¡ µû¸£¸é, °­¿ì·®Àº 11~15% ´õ ³·¾ÆÁú °ÍÀ̸ç, ÀÌ·Î ÀÎÇÏ¿© µ¿·ÂÀº 35-40% ´õ °¨¼ÒÇÒ °ÍÀ¸·Î Ãß»êµÆ´Ù.

1. Àü ¼¼°è ¿­´ë¿ì¸²¿¡¼­ ¼ö·Â¹ßÀü È®´ë
¿ì¸®´Â ÇöÀç Àü±â¸¦ »ý»êÇϱâ À§ÇÑ ºê¶óÁúÀÇ ´É·ÂÀÌ »ï¸² º¸Á¸(forest conservation)¿¡ Á¿ìµÈ´Ù´Â ¸Å¿ì °­·ÂÇÑ Áõ°Å¸¦ °¡Áö°í ÀÖ´Ù°í IPAM-IP Ã¥ÀÓÀÚÀÌ¸ç °øµ¿ ÀúÀÚÀÎ Daniel Nepstad´Â ¹àÇû´Ù. ÀÌ·¯ÇÑ °á°ú´Â ºê¶óÁú¿¡¼­¸¸ Áß¿äÇÑ °ÍÀº ¾Æ´Ï¶ó°í Nepstad´Â ÁöÀûÇß´Ù. ¿­´ë¿ì¸² ÇǺ¹Àº ¾ÆÇÁ¸®Ä«¿Í µ¿³²¾Æ½Ã¾Æ»Ó ¾Æ´Ï¶ó ¾Æ¸¶Á¸ Àü¿ªÀÇ ½ÀÇÑ ¿­´ë Áö¿ª¿¡¼­ ¿¡³ÊÁö »ý»ê¿¡ ¿µÇâÀ» ³¢Ä¥ ¼ö ÀÖ´Ù°í Nepstad´Â ¹àÇû´Ù.

¿­´ë¿ì¸²À» º¸À¯ÇÏ°í ÀÖ´Â Áö¿ªÀº ´Ù·®ÀÇ °­¿ì·®À» ³ªÅ¸³»´Â °æÇâÀÌ ÀÖÀ¸¸ç, ÀÌ Æ¯Â¡Àº Àü±â¸¦ »ý»êÇϱâ À§ÇÑ ³ôÀº ÇÏõ È帧ÀÇ ÀåÁ¡À» °¡Áö´Â ¼ö·Â¹ßÀü ÇÁ·ÎÁ§Æ®¸¦ À§ÇÑ ÃÖÀûÀÇ À§Ä¡¸¦ º¸À¯ÇÏ°Ô ÇØÁØ´Ù. ¼¼°èÀºÇàÀº ÀÌ·¯ÇÑ Áö¿ª¿¡¼­ ÀÌ¿ëµÇÁö ¾ÊÀº ¼ö·Â¹ßÀüÀÌ À¯·´°ú ºÏ¾Æ¸Þ¸®Ä«¿¡¼­ ¼³ºñ ¿ë·®(installed capacity)ÀÇ ¾à 4¹è¿¡ À̸¥´Ù°í Ãß»êÇÏ°í ÀÖ´Ù. ÀÌ·¯ÇÑ °¡´É¼ºÀÇ »ó´ç ºÎºÐÀº ¿­´ë¿ì¸²ÀÇ Á߽ɿ¡ ÀÖ´Ù.

ºê¶óÁú, Æä·ç, ÄÝ·Òºñ¾Æ, Äá°í, º£Æ®³² ¹× ¸»·¹ÀÌ½Ã¾Æ µîÀº ¸ðµÎ Áõ°¡ÇÏ°í ÀÖ´Â °æÁ¦ ¼ºÀåÀÇ ¼ö¿ä¸¦ ÃæÁ·Çϱâ À§ÇÏ¿© ¼ö·Â¹ßÀü¿¡ ÀÇÇØ »ý¼ºµÇ´Â ³ì»ö Àü±â·Î ÀüȯÀ» µµ¸ðÇÏ°í ÀÖ´Ù°í Nepstad´Â ¹àÇû´Ù.

³í¶õÀÌ ÀÖÁö¸¸, ¼ö·Â¹ßÀüÀº ÀϹÝÀûÀ¸·Î ¼ö¸¹Àº ´Ù¸¥ ¿¡³ÊÁö ÀÚ¿øº¸´Ù ´õ ÀûÀº ¿Â½Ç°¡½º¸¦ »ý¼ºÇÑ´Ù. ¶Ç ÀÔÁõµÈ ±â¼ú ¹× ÀúÀå ¿ë·®À» ÀÌÀ¯·Î, ¼ö·Â ¹ßÀüÀº ´ë±Ô¸ð dz·Â ¹× ÅÂ¾ç ¹ßÀü ÇÁ·ÎÁ§Æ®º¸´Ù ´õ ½Å·ÚÇÒ ¼ö ÀÖÀ¸¸ç, ½ÇÇö °¡´ÉÇÏ´Ù. 45°³ ÀÌ»óÀÇ »õ·Î¿î ¹ßÀü¼Ò°¡ ºê¶óÁú¿¡¼­¸¸ °èȹµÇ°í ÀÖÀ¸¸ç, Belo Monte ´ïÀº 2019³â±îÁö ºê¶óÁúÀÇ Àü±â »ý»ê Áõ°¡·®ÀÇ ¾à 40%¸¦ °ø±ÞÇÒ °ÍÀ¸·Î ¿¹ÃøµÇ°í ÀÖ´Ù.

2. ¿¡³ÊÁö ÃßÁ¤ ¹× ÅäÁö »ç¿ë °èȹ°ú »ï¸² ÇǺ¹ÀÇ ÅëÇÕÀû È¿°ú
»õ·Î¿î ¿¬±¸´Â Àü±â¸¦ °ø±ÞÇϱâ À§ÇÏ¿© ÇÁ·ÎÁ§Æ®ÀÇ °¡´É¼ºÀ» »êÃâÇÒ ¶§, ¼ö·Â¹ßÀü °èȹÀÚµéÀÌ ¿­´ë¿ì¸² ÇǺ¹À» °í·ÁÇÒ ÇÊ¿ä°¡ ÀÖ´Ù´Â °ÍÀ» Á¶¸íÇÏ°í ÀÖ´Ù.

¹®Á¦´Â ¼ö·Â ¹ßÀü¼Ò °í¾ÈÀÚµéÀÌ ¹Ì·¡ »ï¸² ¹úäÀÇ È¿°ú¸¦ ÀϹÝÀûÀ¸·Î ¹«½ÃÇϰųª, °í·ÁÇÏ´õ¶óµµ »ï¸² ¹úä°¡ ´ïÀ¸·Î È帣´Â ¹°ÀÇ ¾çÀ» Áõ°¡½Ãų °ÍÀ̶ó°í °¡Á¤Çϴµ¥ ÀÖ´Ù°í Stickler´Â ¼³¸íÇß´Ù. ¿¬±¸ÁøÀÌ Áö¿ªÀûÀÎ ¼öÁØ¿¡¼­ »ï¸² ¹úäÀÇ È¿°ú¸¦ °áÇÕÇßÀ» ¶§, ¿¬±¸ÁøÀÇ °á°ú´Â ¹Ý´ëÀÇ °á°ú¸¦ º¸¿©ÁÖ¾ú´Ù°í Stickler´Â ¹àÇû´Ù.

¿¬±¸ÁøÀº ¿¡³ÊÁö °èȹÀÚµéÀÌ ¼ö·Â¹ßÀü ÇÁ·ÎÁ§Æ®ÀÇ ½ÇÇà °¡´É¼ºÀ» Æò°¡ÇÒ ¶§, ¿­´ë¿ì¸² ÇǺ¹¿¡¼­ÀÇ º¯È­¿¡¼­ ÃÊ·¡µÇ´Â ¿µÇâÀ» °í·ÁÇÒ °ÍÀ» Ã˱¸Çß´Ù. ¶Ç ¿¬±¸ÁøÀº Á¤Ã¥ ÀÔ¾ÈÀÚµéÀÌ »ï¸² ¹ú並 Á¦ÇÑÇϱâ À§ÇÏ¿© ³óºÎ¿Í ¸ñÀå ÁÖÀο¡°Ô Àμ¾Æ¼ºê¸¦ Á¦°øÇÏ´Â ¿¡³ÊÁö ÀÌÀ± ÇÁ·Î±×·¥»Ó ¾Æ´Ï¶ó »õ·Î¿î µµ·Î¿Í ¸ñÀåÀ» À§ÇÏ¿© »ï¸²À» ¼Ò°¢ÇÏ´Â °³¹ß ³ë·ÂÀÇ ¿¡³ÊÁö ºñ¿ë¿¡ ÁÖ¸ñÇØ¾ß ÇÑ´Ù°í ÁÖÀåÇß´Ù.

2012³â ºê¶óÁúÀº »ï¸² ¹ú並 Á¾½Ä½ÃÅ°´Â ¾öû³­ Áøº¸¸¦ ÀÌ·ç¾úÀ¸¸ç, ¿ª»çÀûÀÎ Æò±Õ »ï¸² ¹úä¿¡ ´ëÇÑ ¼Ò°¢ ºñÀ²Àº 24%±îÁö °¨¼ÒµÆ´Ù°í Nepstad´Â ¹àÇû´Ù. ±×·¯³ª ÀÌ·¯ÇÑ ¼öÄ¡´Â ´Ù½Ã ¼­¼­È÷ Áõ°¡ÇÏ°í ÀÖÀ¸¸ç, ¸ðµç »ç¶÷ÀÌ °ü½ÉÀ» °¡Áú ÇÊ¿ä°¡ ÀÖ´Ù°í Nepstad´Â ÁöÀûÇß´Ù. »ï¸² ¹úä Á¾½ÄÀº ±¹°¡ ¿¡³ÊÁö ¾Èº¸ ¹®Á¦·Î Á¡°ËµÉ ÇÊ¿ä°¡ ÀÖ´Ù°í Nepstad´Â °­Á¶Çß´Ù.
 
[Ãâó : KISTI ¹Ì¸®¾È(http://mirian.kisti.re.kr) ¡º±Û·Î¹úµ¿Çâºê¸®ÇÎ(GTB)¡»2013. 05. 17]
 
[¿ø¹®º¸±â]
 
Energy supply from hydropower projects depends on rainforest conservation
 
Research published in the Proceedings of the National Academy of Sciences shows that conserving rainforests in the Amazon River Basin will increase the amount of electricity that hydropower projects in the area can produce.
 
The study is the first to quantify the impact of regional rainforest cover on energy production. Its findings reveal that rainforests are more critical than previously thought in generating the rainfall that drives river flow, and ultimately power production, in tropical areas. The research shows that if deforestation continues to increase in the Amazon, energy projections for one of the world's largest dams, the Belo Monte in Brazil, decline by one third.
"Our study shows that the huge strides Brazil has made in slowing Amazon are actually helping secure the nation's energy supply," says Claudia Stickler, the study's lead author and scientist at the Amazon Environmental Research Institute International Program (IPAM-IP). "But these efforts must continue hand-in-hand with conservation at the regional level."
 
The potential loss of due to regional deforestation could hinder Brazil's efforts to meet its pending gap in electrical power. Specifically, the study shows that if the deforestation in the Amazon Basin goes unchecked, the energy supplied by Brazil's Belo Monte Dam – planned to be the third largest hydropower project in the world – will fall 30% below current industry estimates, an amount equivalent to the of four million Brazilians.
 
"These results are extremely important for long-term energy planning," explains Marcos Costa, one of the study's authors from the Federal University of Viçosa in Brazil. "We are investing billions of dollars in around the world. The more rainforests left standing, the more water we'll have in the rivers, and the more electricity we'll be able to get from these projects."
 
Combining expertise in hydrology, ecology, land use science, climatology, and economics, the researchers modeled energy production under different levels of deforestation in the Basin.
 
 The scenarios with more forests also produced the most power. With current deforestation levels in the region, the results show that rainfall is 6-7% lower than it would be with full forest cover. And with the 40% loss in rainforests that some predict will occur by 2050, rainfall would be 11-15% lower, resulting in 35~40% less power.

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