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±âÈĺ¯È­·Î ÀÎÇÑ È«¼ö´Â Àü ¼¼°è ÇؾÈÁö´ë¸¦ À§ÇùÇÏ°í ÀÖ´Ù. Ķ¸®Æ÷´Ï¾Æ´ëÇб³ »êŸ Å©·çÁîÄ·ÆÛ½º, »÷ÇÁ¶õ½Ã½ºÄÚ Çϱ¸ ¿¬±¸¼Ò(San Francisco Estuary Institute) ¹× ¹Ì±¹ ÁöÁúÁ¶»ç±¹(U.S. Geological Survey, USGS)ÀÇ ¿¬±¸¿øµé·Î ±¸¼ºµÈ °øµ¿ ¿¬±¸ÆÀÀº »÷ÇÁ¶õ½Ã½ºÄÚ »÷¸¶Å׿À Ä«¿îƼ(San Mateo County) Çؾȿ¡ ±âÈÄ È¸º¹·ÂÀ» °­È­Çϱâ À§ÇÑ ÀÚ¿¬±â¹ÝÇعý(Nature Based Solution, NBS), ƯÈ÷ ½ÀÁö º¹¿øÀÇ ÀáÀç·Â¿¡ ´ëÇØ »ìÆ캻 »õ·Î¿î ¿¬±¸¸¦ °ø°³Çß´Ù. [»çÁøÃâó(Photo Source) = ÇȻ纣ÀÌ(Pixabay)]

±âÈĺ¯È­·Î ÀÎÇÑ È«¼ö´Â Àü ¼¼°è ÇؾÈÁö´ë¸¦ À§ÇùÇÏ°í ÀÖ´Ù. Ķ¸®Æ÷´Ï¾Æ´ëÇб³ »êŸ Å©·çÁîÄ·ÆÛ½º, »÷ÇÁ¶õ½Ã½ºÄÚ Çϱ¸ ¿¬±¸¼Ò(San Francisco Estuary Institute) ¹× ¹Ì±¹ ÁöÁúÁ¶»ç±¹(U.S. Geological Survey, USGS)ÀÇ ¿¬±¸¿øµé·Î ±¸¼ºµÈ °øµ¿ ¿¬±¸ÆÀÀº »÷ÇÁ¶õ½Ã½ºÄÚ »÷¸¶Å׿À Ä«¿îƼ(San Mateo County) Çؾȿ¡ ±âÈÄ È¸º¹·ÂÀ» °­È­Çϱâ À§ÇÑ ÀÚ¿¬±â¹ÝÇعý(Nature Based Solution, NBS), ƯÈ÷ ½ÀÁö º¹¿øÀÇ ÀáÀç·Â¿¡ ´ëÇØ »ìÆ캻 »õ·Î¿î ¿¬±¸¸¦ °ø°³Çß´Ù. [»çÁøÃâó(Photo Source) = ÇȻ纣ÀÌ(Pixabay)]

 

±âÈĺ¯È­·Î ÀÎÇÑ È«¼ö´Â Àü ¼¼°è ÇؾÈÁö´ë¸¦ À§ÇùÇÏ°í ÀÖ´Ù. Ķ¸®Æ÷´Ï¾Æ´ëÇб³ »êŸ Å©·çÁîÄ·ÆÛ½º, »÷ÇÁ¶õ½Ã½ºÄÚ Çϱ¸ ¿¬±¸¼Ò(San Francisco Estuary Institute) ¹× ¹Ì±¹ ÁöÁúÁ¶»ç±¹(U.S. Geological Survey, USGS)ÀÇ ¿¬±¸¿øµé·Î ±¸¼ºµÈ °øµ¿ ¿¬±¸ÆÀÀº »÷ÇÁ¶õ½Ã½ºÄÚ »÷¸¶Å׿À Ä«¿îƼ(San Mateo County) ÇؾÈÀÇ ±âÈÄ º¹¿ø·Â °­È­¿¡ ÀÖ¾î ÀÚ¿¬±â¹ÝÇعý(Nature Based Solution, NBS), ƯÈ÷ ½ÀÁö º¹¿ø¿¡ ´ëÇÑ ÀáÀç·ÂÀ» ¿¬±¸Çß´Ù. 


ÀÌ ¿¬±¸´Â ÇØ¾È ±âÈÄ ÀûÀÀÀ» À§ÇÑ ÀϹÝÀûÀÎ ÇØ°áÃ¥°ú ºñ±³ÇØ NBS Æò°¡¿¡¼­ Áß¿äÇÑ Â÷À̸¦ °­Á¶ÇÑ´Ù. NBS´Â °¡´É¼ºÀÌ ³ôÀº ÇØ°áÃ¥ÀÌÁö¸¸ Á¾Á¾ °ú¼Ò Æò°¡µÅ ±âÈÄ ÀûÀÀ Àü·«À¸·Î ³Î¸® äÅõÇÁö ¸øÇÏ°í ÀÖ´Ù.


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(A) ¹× (B)´Â º» ¿¬±¸ÀÇ À§Ä¡, (B)ÀÇ ¾ãÀº Èò»ö »óÀÚ´Â (C), (E) ¹× (F)ÀÇ ÁöµµÀÇ ¹üÀ§¸¦ ³ªÅ¸³»°í (B)ÀÇ µÎ²¨¿î Èò»ö »óÀÚ´Â (D)ÀÇ ÁöµµÀÇ ¹üÀ§¸¦ ³ªÅ¸³½´Ù. (C) ÅðÀû¹° ÃàÀû/¿µ¾çÀ» ½Ã¹Ä·¹À̼ÇÇϱâ À§ÇØ º¹¿ø Àå¼Ò¿¡ ¼öÁ÷ ¿ÀÇÁ¼ÂÀ» Àû¿ëÇØ °¢ Àå¼Ò¸¦ Æò±Õ Çؼö¸é¿¡ ´ëºñ 1m¸¦ ²ø¾î ¿Ã·È´Ù. ÀÌ °ªÀÇ ¹üÀ§´Â 0.05~1.1m´Ù. (D) ¼Ò±Ý ¿¬¸øÀÇ Á¶¼® ¿¬°áÀ» ¿ëÀÌÇÏ°Ô Çϱâ À§ÇØ °ú°Å ½ÀÁö ä³ÎÀ» °¡·Î Áö¸£´Â Á¦¹æ ºØ±«´Â ÆĶõ»öÀ¸·Î Ç¥½ÃµÈ´Ù. (E) ÇöÀç ¹× (F) º¹¿øµÈ ½ÀÁö ¼­½ÄÁö À¯ÇüÀº Eq. 1°ú °°ÀÌ Á¶¼® ±âÁØ¿¡ ´ëÇÑ °íµµ¿¡ ÀÇÇØ °áÁ¤µÈ´Ù. ¾îµÎ¿î °÷¿¡¼­ ¹àÀº °÷±îÁö ³ì»öÀÇ ¼¼ °¡Áö À½¿µÀº ³·Àº °÷, ÀüȯµÈ °÷ ¹× ³ôÀº ½ÀÁö ¼­½ÄÁö¸¦ ³ªÅ¸³½´Ù.  [ÀÚ·áÁ¦°ø(Picture Source) = USGS]

 

¿¬±¸ °á°ú¿¡ µû¸£¸é, »÷¸¶Å׿À Ä«¿îƼÀÇ ½ÀÁö º¹¿øÀº ÇöÀç 2õ100¸¸ ´Þ·¯ °¡Ä¡ÀÇ È«¼ö ¹æÁö ÀÌÀÍÀ» Á¦°øÇϸç, Çؼö¸éÀÌ 0.5m »ó½ÂÇÒ °æ¿ì 1¾ï ´Þ·¯ ÀÌ»óÀ¸·Î °¡Ä¡°¡ ±ÞÁõÇÒ °ÍÀ¸·Î ¿¹ÃøµÈ´Ù. ±âÈĺ¯È­·Î ÀÎÇÑ È«¼ö°¡ ½ÉÈ­µÇ¸é¼­ ±× °¡Ä¡´Â ±âÇÏ ±Þ¼öÀûÀ¸·Î ´Ã¾î³ª Çؼö¸é »ó½Â(SLR)ÀÌ 1mÀÏ °æ¿ì ¾à 5¾ï ´Þ·¯¿¡ ´ÞÇÏ´Â ÀÌÀÍÀ» ¾òÀ» ¼ö ÀÖ´Ù.


ƯÈ÷, ÀÌ ¿¬±¸´Â ½ÀÁö º¹¿øÀÌ ±âÈÄ ÀûÀÀ¿¡ °¡Àå Å« ÀÌÀÍÀ» Á¦°øÇÏ´Â ¸¶Å׿À Ä«¿îƼ ³»ÀÇ Æ¯Á¤ Áö¿ªÀ» ½Äº°ÇÑ´Ù. ÇÑ Áö¿ª¿¡¼­´Â Çퟸ£´ç 900¸¸ ´Þ·¯ÀÇ ÀÌÀÍÀ» ¾òÀ» ¼ö ÀÖÀ¸¸ç, ÀÌ´Â Çؼö¸é »ó½Â°ú °­È­µÈ ÆødzÀÇ ¿µÇâÀ» ¿ÏÈ­ÇÏ´Â NBSÀÇ ÀáÀç·ÂÀ» °­Á¶ÇÑ´Ù.


·¹ÀÌ Å×ÀÏ·¯ ¹ø½º(Rae Taylor-Burns) ¼ö¼® ÀúÀÚ´Â "¿À´Ã³¯ ÀÚ¿¬¿¡ ±â¹ÝÇÑ Áö¿ª»çȸ ȸº¹Åº·Â¼º¿¡ ´ëÇÑ ÅõÀÚ´Â ±âÈĺ¯È­°¡ ½ÉÈ­µÊ¿¡ µû¶ó ´õ Å« º¸»óÀ» ¾òÀ» ¼ö ÀÖ´Â ÈûÀ» °®°í ÀÖ´Ù"¸ç "½ÀÁö º¹¿øÀº È«¼ö ¹æÁö¿Í »ýÅ º¸È£ ¸ðµÎ¸¦ Á¦°øÇϸ鼭 À¯¸ÁÇÑ ÇØ°áÃ¥À¸·Î ¶°¿À¸£°í ÀÖ´Ù"°í ¸»Çß´Ù.


µµ½Ã Çϱ¸ÀÇ È«¼ö À§Çè °¨¼Ò¸¦ À§ÇÑ ½ÀÁö º¹¿øÀÇ °¡Ä¡ÇÏ´Â Á¦¸ñÀÇ ¿¬±¸´Â ¡º»çÀ̾ðƼÇÈ ¸®Æ÷Æ®(Scientific Reports)¡»¿¡ °ÔÀçµÆ´Ù.


[±×¸² 2] Çؼö¸é »ó½Â¿¡ µû¸¥ ½ÀÁö º¹¿øÀÇ °æÁ¦Àû, »çȸÀû È«¼ö °¨¼Ò È¿°úÀÇ °ø°£Àû ºÐÆ÷


 [ÀÚ·áÁ¦°ø(Picture Source) = USGS]

[ÀÚ·áÁ¦°ø(Picture Source) = USGS]


[¿ø¹®º¸±â]


Restoring Marshes as a Cost-Effective Climate Adaptation Solution for San Mateo County


 

Climate change-induced flooding threatens coastlines around the world. A new study from researchers at the University of California, Santa Cruz, the San Francisco Estuary Institute, and USGS explores the potential of nature-based solutions (NBS), specifically marsh restoration, in bolstering climate resilience along the shores of San Mateo County, California.


The study highlights a critical disparity in the assessment of NBS compared to traditional engineering solutions for coastal climate adaptation. While NBS hold immense promise, they are often evaluated with less rigor, hindering their widespread adoption in climate adaptation strategies.


Researchers conducted a comprehensive analysis to quantify the flood protection benefits of stakeholder-identified marsh restoration in San Francisco Bay. Focusing on San Mateo County, identified as the most vulnerable to future flooding in California, the study provides a rigorous evaluation of the efficacy of marsh restoration under current and projected climate change scenarios.


The study found that marsh restoration in San Mateo County offers a present value of 21 million USD in flood protection benefits, a figure that jumps to more than 100 million USD with a modest 0.5 meters of sea-level rise (SLR). As climate change-induced flooding intensifies, the value grows exponentially, reaching an estimated 500 million USD with one meter of SLR.


Notably, the research identifies specific hotspots within San Mateo County where marsh restoration delivers greatest benefits for climate adaptation. In one location, the benefits rise to 9 million USD per hectare, underscoring the potential of NBS in mitigating the impacts of rising sea levels and intensified storms.


"Investments made today in nature-based community resilience have the power to yield increasing payoffs as climate change intensifies,¡± said Rae Taylor-Burns, lead author of the study. ¡°Marsh restoration emerges as a promising solution, while offering both flood protection and ecological benefits."


The study, The value of marsh restoration for flood risk reduction in an urban estuary, is published in Scientific Reports.


[Ãâó = USGS(https://www.usgs.gov/programs/cmhrp/news/restoring-marshes-a-cost-effective-climate-adaptation-solution-san-mateo-county) / 2024³â 4¿ù 4ÀÏ]

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