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[2024] [¿µ±¹] "Áß±¹ µµ½Ã Àα¸ 3ºÐÀÇ 1, ħ¸ô À§Çè¿¡ óÇØ ÀÖ¾î"
À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2024.04.23 Á¶È¸¼ö 529
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[¿µ±¹] "Áß±¹ µµ½Ã Àα¸ 3ºÐÀÇ 1, ħ¸ô À§Çè¿¡ óÇØ ÀÖ¾î"

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¿µ±¹ À̽ºÆ®¾Þ±Û¸®¾Æ´ëÇб³(University of East Anglia, UEA)¿Í ¹Ì±¹ ¹öÁö´Ï¾Æ°ø°ú´ëÇб³(Virginia Tech)ÀÇ ¿¹¿Ü »óȲ¿¡, Áö¹ÝħÇÏ´Â µµ½Ã À§ÇèÀ¸·Î °£°úµÇ°í ÀÖ½À´Ï´Ù. [»çÁøÃâó(»çÁøÃâó) = ÇȻ纣ÀÌ(PIxabay)]

¿µ±¹ À̽ºÆ®¾Þ±Û¸®¾Æ´ëÇб³(University of East Anglia, UEA)¿Í ¹Ì±¹ ¹öÁö´Ï¾Æ°ø°ú´ëÇб³(Virginia Tech)ÀÇ ¿¹¿Ü »óȲ¿¡, Áö¹ÝħÇÏ´Â µµ½Ã À§ÇèÀ¸·Î °£°úµÇ°í ÀÖ½À´Ï´Ù. [»çÁøÃâó(»çÁøÃâó) = ÇȻ纣ÀÌ(PIxabay)]

 

¿µ±¹ À̽ºÆ®¾Þ±Û¸®¾Æ´ëÇб³(University of East Anglia, UEA)¿Í ¹Ì±¹ ¹öÁö´Ï¾Æ°ø°ú´ëÇб³(Virginia Tech)ÀÇ ¿¹¿Ü »óȲ¿¡, Áö¹ÝħÇÏ´Â µµ½Ã À§ÇèÀ¸·Î °£°úµÇ°í ÀÖ½À´Ï´Ù.


·Î¹öÆ® ´ÏÄݽº(Robert Nicholls) À̽ºÆ®¾Þ±Û¸®¾Æ´ë ´Þ ±âÈĺ¯È­¿¬±¸¼¾ÅÍÀÇ ±³¼ö¿Í ¸¶´©Ã³ »çÀÌ ½¬¸£ÀÚ(Manoochehr Shirzaei) ¹öÁöÀ̳ª°ø´ë ¹°, ȯ°æ ¹× º¸°Ç´ëÇÐÀÇ ±³¼ö´Â¾ð½º(Science)¿¡ Áß±¹ Àü¿ªÀÇ À̵¿À» ¼±µµÇÏ°í ÀÏ°üµÇ°Ô ÁöµµÈ­ÇÏ´Â À§¼º µ¥ÀÌÅ͸¦ ºÐ¼®ÇÏ´Â »õ·Î¿î ¿¬±¸ÀÇ Âü¿©¸¦ °­Á¶Çß´Ù.


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[¿ø¹®º¸±â]


A third of China¡¯s urban population at risk of city sinking, new satellite data shows


 

Land subsidence is overlooked as a hazard in cities, according to scientists from the University of East Anglia (UEA) and Virginia Tech.


Writing in the journal Science, Prof Robert Nicholls of the Tyndall Centre for Climate Change Research at UEA and Prof Manoochehr Shirzaei of Virginia Tech and United Nations University for Water, Environment and Health, Ontario, highlight the importance of a new research paper analysing satellite data that accurately and consistently maps land movement across China.


While they say in their comment article that consistently measuring subsidence is a great achievement, they argue it is only the start of finding solutions. Predicting future subsidence requires models that consider all drivers, including human activities and climate change, and how they might change with time.


The research paper, published in the same issue, considers 82 cities with a collective population of nearly 700 million people. The results show that 45% of the urban areas that were analysed are sinking, with 16% falling at a rate of 10mm a year or more.


Nationally, roughly 270 million urban residents are estimated to be affected, with nearly 70 million experiencing rapid subsidence of 10mm a year or more. Hotspots include Beijing and Tianjin.


Coastal cities such as Tianjin are especially affected as sinking land reinforces climate change and sea-level rise. The sinking of sea defences is one reason why Hurricane Katrina¡¯s flooding brought such devastation and death-toll to New Orleans in 2005.


Áß±¹ ÃÖ´ë µµ½ÃÀÎ »óÇÏÀÌ´Â Áö³­ ¼¼±â µ¿¾È ÃÖ´ë 3m±îÁö °¡¶ó¾É¾Ò°í ¿À´Ã³¯¿¡µµ °è¼Ó °¡¶ó¾É°í ÀÖ½À´Ï´Ù. ħ°­ÀÌ Çؼö¸é »ó½Â°ú °áÇյǸé Áß±¹ÀÇ Çؼö¸é ¾Æ·¡ µµ½Ã Áö¿ªÀº 2120³â±îÁö 3¹è·Î Ä¿Á® 5500¸¸~1¾ï 2800¸¸ ¸íÀÇ Áֹο¡°Ô ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ½À´Ï´Ù. ÀÌ´Â °­·ÂÇÑ »çȸÀû ´ëÀÀÀÌ ¾ø´Ù¸é Àç¾ÓÀÌ µÉ ¼ö ÀÖ½À´Ï´Ù.


À̹ø ¿¬±¸¿¡´Â Âü¿©ÇÏÁö ¾Ê¾ÒÁö¸¸ ´ÏÄݽº(Nicholls) ±³¼ö´Â ¡°ÁöÇÏ Ä§°­Àº °Ç¹°°ú Áß¿ä ÀÎÇÁ¶óÀÇ ±¸Á¶Àû ¿ÏÀü¼ºÀ» À§ÅÂ·Ó°Ô ÇÏ°í ƯÈ÷ Çؼö¸é »ó½ÂÀ» ÃËÁøÇÏ´Â ÇØ¾È µµ½Ã¿¡¼­ È«¼ö Ãø¸é¿¡¼­ ±âÈÄ º¯È­ÀÇ ¿µÇâÀ» ¾ÇÈ­½ÃŲ´Ù¡±°í ¸»Çß´Ù. ¿¬±¸´Â Çؼö¸é »ó½Â, ÇØ¾È Ä§½Ä ¹× È«¼ö, ±×¸®°í Áö¿ª »çȸ°¡ ÀÌ·¯ÇÑ º¯È­¿¡ ¾î¶»°Ô ÀûÀÀÇÒ ¼ö ÀÖ´ÂÁö¿¡ ÁßÁ¡À» µÓ´Ï´Ù.


ħÇÏ´Â ÁÖ·Î µµ½Ã¿¡¼­ÀÇ Àΰ£ È°µ¿¿¡ ÀÇÇØ ¹ß»ýÇÕ´Ï´Ù. ÁöÇϼö¸éÀ» ³·Ãß´Â ÁöÇϼö Ãë¼ö´Â ÁöÁú ¹× °Ç¹°ÀÇ ¹«°Ô¿Í °áÇÕÇÏ¿© ħÇÏÀÇ °¡Àå Áß¿äÇÑ µ¿ÀÎÀ¸·Î °£Áֵ˴ϴÙ.


¿À»çÄ«¿Í µµÄì¿¡¼­´Â 1970³â´ë¿¡ ÁöÇϼö Ãë¼ö°¡ ÁߴܵǾúÀ¸¸ç µµ½Ã ħÇÏ°¡ Áߴܵǰųª Å©°Ô °¨¼ÒÇÏ¿© ÀÌ°ÍÀÌ È¿°úÀûÀÎ ¿ÏÈ­ Àü·«ÀÓÀ» º¸¿©ÁÝ´Ï´Ù. ±³Åë Áøµ¿°ú ÅͳθµÀº ÀáÀçÀûÀ¸·Î Áö¿ªÀû ¿äÀÎÀ̱⵵ ÇÕ´Ï´Ù. º£ÀÌ¡¿¡¼­´Â ÁöÇÏö°ú °í¼Óµµ·Î ±Ùó¿¡¼­ ¿¬°£ 45mm°¡ °¡¶ó¾É°í ÀÖ½À´Ï´Ù. ÀÚ¿¬ÀûÀÎ »óÇ⠶Ǵ ÇÏÇâ ÅäÁö À̵¿µµ ¹ß»ýÇÏÁö¸¸ ÀϹÝÀûÀ¸·Î Àΰ£ÀÌ À¯¹ßÇÑ º¯È­º¸´Ù ÈξÀ ÀÛ½À´Ï´Ù.


À̹ø ¿¬±¸ ÀÌÀü¿¡ Áß±¹¿¡¼­ Àΰ£¿¡ ÀÇÇÑ Ä§°­ÀÌ ¾Ë·ÁÁ³´ø ¹Ý¸é, Nicholls ±³¼ö¿Í Shirzaei ±³¼ö´Â ÀÌ·¯ÇÑ »õ·Î¿î °á°ú°¡ ±¹°¡Àû ´ëÀÀÀÇ Çʿ伺À» °­È­ÇÑ´Ù°í ¸»ÇÕ´Ï´Ù. ÀÌ ¹®Á¦´Â Áß±¹ ÀÌ¿ÜÀÇ Ãë¾àÇÑ µµ½Ã¿¡¼­ ¹ß»ýÇϸç Àü ¼¼°èÀûÀ¸·Î ³Î¸® ÆÛÁ® ÀÖ´Â ¹®Á¦ÀÔ´Ï´Ù.


±×µéÀº ¿¬±¸ Ä¿¹Â´ÏƼ°¡ ÃøÁ¤¿¡¼­ Àǹ̸¦ ÀÌÇØÇÏ°í ÀÀ´äÀ» Áö¿øÇÏ´Â °ÍÀ¸·Î À̵¿ÇÒ °ÍÀ» ¿ä±¸ÇÕ´Ï´Ù. »õ·Î¿î À§¼º ÃøÁ¤Àº »õ·Î¿î »ó¼¼ÇÑ Ä§ÇÏ µ¥ÀÌÅ͸¦ Á¦°øÇÏÁö¸¸ ÀÌ Á¤º¸¸¦ »ç¿ëÇÏ¿© µµ½Ã °èȹÀÚ¿Í Çù·ÂÇÏ¿© ÀÌ·¯ÇÑ ¹®Á¦¸¦ ÇØ°áÇÏ´Â ¹æ¹ý¿¡´Â ÈξÀ ´õ ¸¹Àº °³¹ßÀÌ ÇÊ¿äÇÕ´Ï´Ù. ¿µÇâÀ» ¹ÞÀº Áß±¹ÀÇ ÇØ¾È µµ½Ã¿Í ±× ÀÌ»ó Áö¿ª¿¡´Â Ưº°ÇÑ ÁÖÀÇ°¡ ÇÊ¿äÇÕ´Ï´Ù.


Nicholls ±³¼ö´Â ¡°Àü ¼¼°è ¸¹Àº µµ½Ã¿Í Áö¿ª¿¡¼­ ±âÈÄ º¯È­¿Í Çؼö¸é »ó½ÂÀÇ À§ÇèÀ» °ü¸®Çϱâ À§ÇÑ Àü·«À» °³¹ßÇÏ°í ÀÖ½À´Ï´Ù. "¿ì¸®´Â ÇöÀç ÀνĵǴ °Íº¸´Ù ´õ ÀϹÝÀûÀΠħÇÏ À§ÇùÀ» ÇØ°áÇϱâ À§ÇØ ÀÌ °æÇèÀ» ÅëÇØ ¹è¿ö¾ß ÇÕ´Ï´Ù."


[Ãâó = University of East Anglia ( https://www.uea.ac.uk/about/news/article/a-third-of-chinas-urban-population-at-risk-of-city-sinking-new- Satellite-data-shows ) / 2024³â 4¿ù 19ÀÏ]

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