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[2023] [¹Ì±¹] ¹ö¹Ö¾ö´ëÇб³, ¡°°¡¹³ µ¿¾È °­Àº ´õ ¶ß°Å¿î ¼ö¿Â¿¡ ³ëÃâµÅ¡±
À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2023.10.27 Á¶È¸¼ö 442
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[¹Ì±¹] ¹ö¹Ö¾ö´ëÇб³, ¡°°¡ ¾ø´Â µ¿¾È °­Àº ´õ ¶ß°Å¿î ¼ö¿Â¿¡µÅ¼­¡±

±âÈıⰣ ´ÜÆĺ¹»ç, °­ÇÏÁö ¾ÊÀº ¼öÀ§¡¤ºÎÇÇ ¼³¸í¡¤´À¸° À¯¼Ó°ú À¯´ëÇØ °­¿Âµµ Çâ»ó

ÁöÇϼö ÅõÀÔ¡¤¼ö·Î ºÎÁ¤¡¤Áõ¹ß·Î ¼öÃà È¿°ú°¡ ¶ß°Å¿î »ó¼â È¿°ú



¹ö¹Ö¾ö ´ëÇб³´Â ±âÈĺ¯È­¿Í ÇÔ²² ¿Âµµ¸¦ ³ôÀδٴ ¿¬±¸ °á°ú¸¦ ¹ßÇ¥Çß´Ù [»çÁøÃâó(»çÁø Ãâó) = University of Birmingham]

 

±âÈĺ¯È­·Î ÀÎÇØ ±âÈĺ¯È­°¡ º¸Á¸µÇ°í, È¿·ÂÀÌ ´õ ºó¹øÇÏ°í ÀüÅõ½ÉÀÌ À¯ÁöµÉ °ÍÀ¸·Î ¿¹»óµÇ´Â °Í¿¡ µû¶ó, »õ·Î¿î ¿¬±¸´Â ¹°ÀÇ °¡º¯¼º°ú ´ë±â¿ÂµµÀÇ »ó½ÂÀÌ ¾î¶»°Ô ¿Âµµ¸¦ À¯ÁöÇÏ´ÂÁö ¹àÈ÷³», ¼ö»ýÁ¸, ÁÖÅà ¹× »çȸ¿¡ ¼³¸íµË´Ï´Ù. ÁÖ¿äÇÑ µµÀü °úÁ¦¸¦ Á¦½ÃÇß´Ù.  


°­ÀÇ ¿Âµµ´Â °­ÀÇ ¸ðµç ¼ø°£, ½É¸®ÇÐÀû °úÁ¤À» Á¶ÀýÇÏ´Â Áß¿äÇÑ ¿ªÇÒÀ» ÇÕ´Ï´Ù. °­ÀÇ ¿Âµµ´Â ¹°°í±â¿Í ÇÔ²² ÀÚ½ÅÀÇ Ã¨ÇǾðÀ» Á¦¿ÜÇÒ ¼ö ¾ø´Â µ¶¸³¿¡ ƯÈ÷ Áß¿äÇϸç, Àΰ£ÀÇ °Ç°­°ú »ê¾÷, °¡Á· ¹× µ¿ÀÏÇÑ È°µ¿¿¡µµ Áß¿äÇÏ°Ô ÀÛ¿ëÇÕ´Ï´Ù.


±×µéÀº °øÀ¯ÇÏ´Â µ¿¾È °­ ¿ÂµµÀÇ ¿îµ¿À» À¯µµÇÏ´Â ¼¼ °¡Áö ÁÖ¿ä È°µ¿À» ¹ß°ßÇß½À´Ï´Ù. ´Â ¡â´ë±â ¿¡³ÊÁö ÅõÀÔ ¡â¹°¸®Àû ÁֹεéÀÇ ¿µÇâ(°­ÀÇ ºÒÆíÇÑ °ÍÀ» Á¶Á¤ÇÏ´Â °ÍÀÌ ÀÖ°í °­Àǹý) ¡â´Ù¾çÇÑ ¼ö¿øÀÇ ¿µÇâ-ÁöÇϼö´Â ¿©¸§¿¡ ±³À°Àû ¿Âµµ¸¦ ³·Ãß´Â °æÇâÀÌ ÀÖ½À´Ï´Ù.  


¹ö¹Ö¾ö ´ëÇб³(University of Birmingham)°¡ ÁÖµµÇÏ°í ³ëÆþö ´ëÇб³(University of Nottingham)¿Í ÀÛÀº Á¤ºÎÀÇ Çؾ籹(Marine Directorate)ÀÌ Çù·ÂÇØ ¡ºHydrological Processes¡»¿¡ °ÔÀçÇÑ Á¶Á¤¿¡¼­´Â ³°°í ¿À·£ ±â°£ µ¿¾ÈÀÇ ´ÜÆĺ¹»ç°¡ °­ ¿Âµµ¸¦ °¡Àå Å« ¿äÀÎÀÌ µÉ ¼ö ÀÖÀ½À» °­Á¶Çß´Ù.


Æĺ¹ÀÌ »ç´Â ±â°£ µ¿¾È °­ÇÏÁö ¾ÊÀº ¼öÀ§¿Í ÀúÇ×ÀÇ ÀúÇ×°ú °è¼ÓµÇ´Â À¯¼Ó°ú °áÇյŠ¹°À» ´õ »¡¸® µ¥¿öÁ³½À´Ï´Ù. ±×·¯³ª ÀúÀÚ´Â ÁöÇϼöÀÔ, ¼ö·Î ¾ø´Â ¹× Áõ¹ß·Î ¼öÃà È¿°ú°¡ ƯÁ¤ »óȲ¿¡¼­ °í¿ÂÀ» »ó¼âÇÒ ¼ö ÀÖ´Ù°í °­Á¶Çß½À´Ï´Ù.


°øµ¿ ÀúÀÚÀÎ µ¥À̺ñµå Çѳª(David Hannah) ¹ö¹Ö¾ö ´ëÇб³ÀÇ ¼ö¹®ÇÐ ±³¼öÀÌÀÚ À¯³×½ºÄÚ ¼öÀÚ¿ø °úÇÐ À§¿øÀåÀº ¡°°­ ¿ÂµµÀÇ »ó½ÂÀº ¼ö»ý »ý¹°¿¡ Áß´ëÇÏ°í Á¾Á¾ ÇØ·Î¿î ¿µÇâÀ» ¹ÌÄ£´Ù. ÀÌ´Â °³º° Á¾°ú Àüü »ýÅÂ°è ¸ðµÎ¿¡ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´Ù¡±°í ¸»Çß´Ù.


±×´Â ¡°°¡¹³ Á¶°ÇÀº Á¾Á¾ ³ôÀº ´ë±â ¿Âµµ¿Í ÀÏÄ¡ÇÑ´Ù. ÀÌ·¯ÇÑ °æÇâÀº ±âÈÄ º¯È­¿Í ÇÔ²² ´õ¿í °­·ÄÇÏ°í ºó¹øÇØÁú °ÍÀ̸ç, °­·ÄÇÑ ÅÂ¾ç º¹»ç¿Í ³·°í ´À¸° ¹°ÀÇ È帧ÀÇ Á¶ÇÕÀº °­ ¼ö¿Â¿¡ ÁÖ¿äÇÑ ¿µÇâÀ» ¹ÌÄ£´Ù¡±¶ó°í µ¡ºÙ¿´´Ù.


¶ÇÇÑ ¡°±×·¯³ª °­º¯¿¡ ½Ä¹° ½É±â, ÀÚ¿¬ ¼ö·Î ÇüÅ ÀçÇö ¹× ÁöÇϼö ¿¬°áÀ» Æ÷ÇÔÇÑ ÇÏõ º¹¿ø »ç¾÷ µî °ü¸® °³ÀÔÀ» ÅëÇØ °¡¹³ µ¿¾È °­ ¿Âµµ »ó½ÂÀ» »ó¼âÇÒ ¼ö ÀÖ´Ù¡±¶ó°í °­Á¶Çß´Ù.


¿¬±¸ÀÚµéÀº ȯ°æ ¹× »ýÅÂÀû ÀÌÁ¡À» Á¦°øÇÏ´Â µ¿½Ã¿¡ ±ØÇÑÀÇ °­ ¼ö¿ÂÀ» ¾î¶»°Ô »ó¼âÇÒ ¼ö ÀÖ´ÂÁö °í·ÁÇÏ´Â °­ º¹¿ø¿¡ ´ëÇÑ ÃÑüÀûÀÌ°í À¯¿ª Àü¹Ý¿¡ °ÉÄ£ Á¢±ÙÀÌ ÇÊ¿äÇÏ´Ù°í ÁöÀûÇÑ´Ù.


¿¬±¸ ÀúÀÚµéÀº ±×µéÀÌ È®ÀÎÇÑ ¼¼ °¡Áö ¸ÞÄ¿´ÏÁò¿¡¼­ ÇÁ·Î¼¼½º°¡ ¾î¶»°Ô »óÈ£ ÀÛ¿ëÇÏ´ÂÁö Á¶»çÇÏ´Â »õ·Î¿î °úÇÐÀû Á¢±Ù ¹æ½ÄÀ» ¿ä±¸Çϸç, ÀÌ´Â °¡¹³ µ¿¾È °­ ¿Âµµ »ó½ÂÀÌ ¹ß»ýÇÒ °¡´É¼ºÀÌ ÀÖ´Â Àå¼Ò¿Í ½Ã±â¸¦ ¿¹ÃøÇÏ´Â ¸ðµ¨¿¡ ´õ ³ªÀº Á¤º¸¸¦ Á¦°øÇÏ´Â µ¥ µµ¿òÀÌ µÈ´Ù.


Á¦ÀÓ½º È­ÀÌÆ®(James White) ¹Ú»ç ¹ö¹Ö¾ö ´ëÇб³(University of Birmingham)ÀÇ ¼ö¼® ÀúÀÚ´Â ¡°¿ì¸®ÀÇ ¿¬±¸´Â °¡¹³ µ¿¾È °­ ¿Âµµ ¿ªÇÐÀ» ¸ðµ¨¸µÇÏ´Â µ¥ µµ¿òÀÌ µÇ´Â Áß¿äÇÑ ¹Ì·¡ ¿¬±¸ Áú¹®À» °­Á¶ÇÏ¿© °­ °ü¸®ÀÚ°¡ ¿ÏÈ­ ¹× ÀûÀÀ Àü·«À» ÅëÇØ ¿­ ±Ø´ÜÀ» ¾î¶»°Ô ´õ Àß °ü¸®ÇÒ ¼ö ÀÖ´ÂÁö ¿¬±¸Çϴµ¥ µµ¿òÀ» Áش١±¶ó°í ¸»Çß´Ù.


[¿ø¹®º¸±â]


Drought conditions expose rivers to hotter water temperatures

Climate change and increasing drought will heat our rivers - creating major challenges for people, animals and plants.


 

As climate change warms the planet and droughts are anticipated to become more frequent and extreme, a new study reveals how reduced water flows and rising atmospheric temperatures are set to heat our rivers - creating major challenges for aquatic life, ecosystems, and society.


Water temperature is an important control for all the physical, chemical, and biological processes in rivers. It is particularly important for organisms that cannot regulate their own body temperature, such as fish. River temperature is important for human health and industrial, domestic, and recreational uses by people.


Scientists have identified three primary mechanisms that drive river water temperature increases during droughts: atmospheric energy inputs; physical habitat influences (shading and river channel shapes controlling flow); and the contributions of different water sources – groundwater tends to cool rivers in summer.


A review published in Hydrological Processes, led by University of Birmingham in collaboration with the University of Nottingham and the Scottish Government¡¯s Marine Directorate, highlights that intense shortwave radiation during hot and dry periods is likely to be the biggest factor of high river water temperatures.


This combined with declining water levels and volumes, and slower flow velocities during droughts will warm up waters more quickly. However, the authors emphasise that cooling effects from groundwater inputs, channel shading and evaporation can offset high temperatures in certain circumstances.


Co-author David Hannah, Professor of Hydrology and UNESCO Chair in Water Sciences at the University of Birmingham, commented: ¡°Rising river water temperatures can have significant and often detrimental implications for aquatic life, impacting both individual species and entire ecosystems.


¡°°¡¹³ Á¶°ÇÀº Á¾Á¾ ³ôÀº ´ë±â ¿Âµµ¿Í ÀÏÄ¡Çϸç ÀÌ·¯ÇÑ °æÇâÀº ±âÈÄ º¯È­·Î ÀÎÇØ ´õ¿í °­·ÄÇÏ°í ºó¹øÇØÁú °ÍÀÔ´Ï´Ù. °­·ÄÇÑ ÅÂ¾ç º¹»ç¿Í ³·Àº(±×¸®°í ´À¸°) ¹° È帧ÀÇ Á¶ÇÕÀ¸·Î ÀÎÇØ °­¹° ¿Âµµ¿¡ Å« ¿µÇâÀ» ¹ÌĨ´Ï´Ù.


"±×·¯³ª ÀÚ¿¬ÀûÀÎ ¼ö·Î ÇüŸ¦ ÀçÇöÇÏ°í ÁöÇϼö¸¦ ´Ù½Ã ¿¬°áÇÏ´Â °ÍÀ» Æ÷ÇÔÇÏ¿© °­º¯ ½ÄÀç ¹× ÇÏõ º¹¿ø °èȹ°ú °°Àº ƯÁ¤ °ü¸® °³ÀÔÀº °³ÀÔÀÌ ¸ñÇ¥¸¦ Àß Á¤ÇÑ´Ù¸é °¡¹³ µ¿¾È ³ôÀº ¿­ ±ØÇÑ Çö»óÀ» »ó¼âÇÏ´Â µ¥ µµ¿òÀÌ µÉ ¼ö ÀÖ½À´Ï´Ù."


¿¬±¸¿øµéÀº ´Ù¸¥ ȯ°æ ¹× »ýÅÂÇÐÀû ÀÌÁ¡À» Á¦°øÇϸ鼭 °­¹°ÀÇ ±ØÇÑ ¿Âµµ¸¦ »ó¼âÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» °í·ÁÇÏ´Â °­ º¹¿ø¿¡ ´ëÇÑ º¸´Ù ÀüüÀûÀÌ°í À¯¿ª Àü¹Ý¿¡ °ÉÄ£ Á¢±Ù ¹æ½ÄÀÌ ÇÊ¿äÇÏ´Ù°í ÁöÀûÇÕ´Ï´Ù. ¿¬±¸ ÀúÀÚµéÀº ÀڽŵéÀÌ ½Äº°ÇÑ ¼¼ °¡Áö ¸ÞÄ¿´ÏÁò¿¡ °ÉÃÄ ÀÛµ¿ÇÏ´Â ÇÁ·Î¼¼½º°¡ ¾î¶»°Ô »óÈ£ ÀÛ¿ëÇÏ´ÂÁö Á¶»çÇÏ´Â »õ·Î¿î °úÇÐÀû Á¢±Ù ¹æ½ÄÀ» ¿ä±¸ÇÕ´Ï´Ù. ÀÌ´Â °¡¹³ µ¿¾È ³ôÀº °­ ¿Âµµ ±ØÇÑ Çö»óÀÌ ¾ðÁ¦ ¾îµð¼­ ¹ß»ýÇÒÁö ¿¹ÃøÇÒ ¼ö ÀÖ´Â ¸ðµ¨¿¡ ´õ ³ªÀº Á¤º¸¸¦ Á¦°øÇÏ´Â µ¥ µµ¿òÀÌ µË´Ï´Ù.


ÁÖ ÀúÀÚÀÎ ¹ö¹Ö¾ö ´ëÇÐÀÇ James White ¹Ú»ç´Â ´ÙÀ½°ú °°ÀÌ ¸»Çß½À´Ï´Ù. ¡°¿ì¸®ÀÇ ¿¬±¸´Â °¡¹³ Áß ÇÏõ ¼ö¿Â ¿ªÇÐÀ» ´õ Àß ¸ðµ¨¸µÇÏ´Â µ¥ µµ¿òÀÌ µÉ Áß¿äÇÑ ¹Ì·¡ ¿¬±¸ Áú¹®À» °­Á¶ÇÕ´Ï´Ù. ÀÌ´Â ÇÏõ °ü¸®ÀÚ°¡ ±ØÇÑÀÇ ¿Âµµ¸¦ ´õ Àß °ü¸®ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» ¾Ë¾Æ³»´Â µ¥ µµ¿òÀÌ µË´Ï´Ù. ¿ÏÈ­ ¹× ÀûÀÀ Àü·«À» ÅëÇØ.¡±


[Ãâó = University of Birmingham ( https://www.birmingham.ac.uk/news/2023/drought-conditions-expose-rivers-to-hotter-water-temps ) /2023³â 10¿ù 18ÀÏ] 

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