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ÇÏ¿ÍÀÌ´ëÇб³ ¸¶³ë¾ÆÄ·ÆÛ½º(University Of Hawaiʻi Mānoa)ÀÇ ¿¬±¸ÁøÀÇ »õ·Î¿î ¿¬±¸¿¡ µû¸£¸é, ¸Å¼³µÇ°Å³ª ºÎºÐ ¸Å¼³µÈ ÀÎÇÁ¶ó·Î ±¸¼ºµÈ º¹ÀâÇÑ ³×Æ®¿öÅ©¸¦ °®Ãá µµ½Ã¿¡¼­´Â ´õ ¾è°í ¿°ºÐÀÌ ³ôÀº ÁöÇϼö¿ÍÀÇ »óÈ£ÀÛ¿ëÀ¸·Î Çϼö°ü, µµ·Î ¹× °Ç¹° ±â¹Ý°ú °°Àº Áֿ䠽ýºÅÛÀÇ ºÎ½Ä ¹× ÆÄ¼Õ À§ÇèÀÌ Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »çÁøÀº ÀÌ ¿¬±¸ÀÇ ¼ö¼® ÀúÀÚÀΠ¼È¸® ÇϺ§(Shellie Habel) ¿¬±¸¿øÀÌ ÁöÇϼöÀÇ ¿°ºÐ ³óµµ¸¦ ÃøÁ¤ÇÏ°í ÀÖ´Â ¸ð½À. [»çÁøÁ¦°ø(Photo Source) = Chloe Obara]

ÇÏ¿ÍÀÌ´ëÇб³ ¸¶³ë¾ÆÄ·ÆÛ½º(University Of Hawaiʻi Mānoa)ÀÇ ¿¬±¸ÁøÀÇ »õ·Î¿î ¿¬±¸¿¡ µû¸£¸é, ¸Å¼³µÇ°Å³ª ºÎºÐ ¸Å¼³µÈ ÀÎÇÁ¶ó·Î ±¸¼ºµÈ º¹ÀâÇÑ ³×Æ®¿öÅ©¸¦ °®Ãá µµ½Ã¿¡¼­´Â ´õ ¾è°í ¿°ºÐÀÌ ³ôÀº ÁöÇϼö¿ÍÀÇ »óÈ£ÀÛ¿ëÀ¸·Î Çϼö°ü, µµ·Î ¹× °Ç¹° ±â¹Ý°ú °°Àº ÁÖ¿ä ½Ã½ºÅÛÀÇ ºÎ½Ä ¹× ÆÄ¼Õ À§ÇèÀÌ Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »çÁøÀº ÀÌ ¿¬±¸ÀÇ ¼ö¼® ÀúÀÚÀÎ ¼È¸® ÇϺ§(Shellie Habel) ¿¬±¸¿øÀÌ ÁöÇϼöÀÇ ¿°ºÐ ³óµµ¸¦ ÃøÁ¤ÇÏ°í ÀÖ´Â ¸ð½À. [»çÁøÁ¦°ø(Photo Source) = Chloe Obara]

 

Çؼö¸éÀÌ »ó½ÂÇÔ¿¡ µû¶ó ÇØ¾È ÁöÇϼö´Â ÁöÇ¥¸é¿¡ ´õ °¡±î¿öÁö°í ¿°ºÐÀÌ Áõ°¡ÇÏ¸ç ºÎ½Ä¼ºÀÌ ³ô¾ÆÁø´Ù. ÇÏ¿ÍÀÌ´ëÇб³ ¸¶³ë¾ÆÄ·ÆÛ½º(University Of Hawaiʻi Mānoa)ÀÇ ¿¬±¸ÁøÀº Àü¼¼°è Àü¹®°¡ÀÇ ¿¬±¸¸¦ Á¾ÇÕÇØ »õ·Î¿î ¿¬±¸¸¦ ¹ßÇ¥Çß´Ù.


ÀÌ ¿¬±¸¿¡ µû¸£¸é, ¸Å¼³µÇ°Å³ª ºÎºÐ ¸Å¼³µÈ ÀÎÇÁ¶ó·Î ±¸¼ºµÈ º¹ÀâÇÑ ³×Æ®¿öÅ©¸¦ °®Ãá µµ½Ã¿¡¼­´Â ´õ ¾è°í ¿°ºÐÀÌ ³ôÀº ÁöÇϼö¿ÍÀÇ »óÈ£ÀÛ¿ëÀ¸·Î Çϼö°ü, µµ·Î ¹× °Ç¹° ±â¹Ý°ú °°Àº ÁÖ¿ä ½Ã½ºÅÛÀÇ ºÎ½Ä ¹× ÆÄ¼Õ À§ÇèÀÌ Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.


¼È¸® ÇϺ§(Shellie Habel) ÀÌ ¿¬±¸ÀÇ ¼ö¼® ÀúÀÚÀÌÀÚ ÇÏ¿ÍÀÌ´ë ¸¶³ë¾ÆÄ·ÆÛ½º ÇØ¾ç ¹× Áö±¸ °úÇÐ ±â¼ú ´ëÇÐ(SOEST)ÀÇ ÇØ¾È ÁöÁúÇÐÀÚ´Â ¡°ÁöÇϼö°¡ ¾è¾ÆÁö¸é °á°úÀûÀ¸·Î ¸¸¼º È«¼ö°¡ ¹ß»ýÇÒ °ÍÀ̶ó´Â Á¡Àº Àß ¾Ë·ÁÁ® ÀÖÁö¸¸, ÁöÇϼö°¡ ¸Å¼³µÈ ÀÎÇÁ¶ó¿Í »óÈ£ÀÛ¿ëÇϸ鼭 ¹®Á¦¸¦ ÀÏÀ¸Å³ ¼ö ÀÖ´Ù´Â Á¡Àº Àß ¾Ë·ÁÁöÁö ¾Ê¾Ò´Ù'¸ç "ÀÌ·¯ÇÑ °ÝÂ÷´Â Á¾Á¾ ÀÎÇÁ¶ó °èȹ¿¡¼­ ÇØ¾È ÁöÇϼö º¯È­°¡ ¿ÏÀüÈ÷ °£°úµÇ´Â °á°ú¸¦ ³º´Â´Ù"°í ¸»Çß´Ù.


ÇÏ¿ÍÀÌ ¿ÍÀÌÅ°Å°ÀÇ ÇÑ °Ç¼³ ÇöÀå¿¡¼­ °üÃøµÈ ¾èÀº ÁöÇϼö. [»çÁøÁ¦°ø(Photo Source) = Shellie Habel]
ÇÏ¿ÍÀÌ ¿ÍÀÌÅ°Å°ÀÇ ÇÑ °Ç¼³ ÇöÀå¿¡¼­ °üÃøµÈ ¾èÀº ÁöÇϼö. [»çÁøÁ¦°ø(Photo Source) = Shellie Habel]

¿¬±¸ÁøÀº ÀÌ ¿¬±¸¸¦ ÅëÇØ Àü¼¼°è Àü¹®°¡µé¿¡°Ô ÀÌ·¯ÇÑ ¹®Á¦ÀÇ ÀνÄÀ» ³ôÀÌ°í ÀÌ ¹®Á¦¸¦ °ü¸®Çϱâ À§ÇÑ ÁöħÀ» Á¦°øÇÏ°íÀÚ ÇÑ´Ù. 


ÇϺ§ ¿¬±¸¿ø°ú ÀÌ ¿¬±¸ÀÇ °øµ¿ ÀúÀÚ´Â ±âÁ¸ ¿¬±¸¸¦ °ËÅäÇØ ´Ù¾çÇÑ À¯ÇüÀÇ ÀÎÇÁ¶ó¿¡ ¹ÌÄ¡´Â ´Ù¾çÇÑ ¿µÇâ¿¡ ´ëÇØ Á¶»çÇß´Ù. ¶ÇÇÑ µµ½Ã °³¹ß ¹üÀ§¸¦ ³ªÅ¸³»´Â Àü ¼¼°è °íµµ µ¥ÀÌÅÍ¿Í Áö¸® °ø°£ µ¥ÀÌÅ͸¦ »ç¿ëÇØ ÀÌ·¯ÇÑ ¿µÇâÀ» ¹ÞÀ» °¡´É¼ºÀÌ ÀÖ´Â Àü¼¼°è ¾à 14¾ï2õ¸¸ ¸íÀÌ °ÅÁÖÇÏ´Â 1õ546°³ÀÇ ÀúÁö´ë ÇØ¾È µµ½Ã¿Í ¸¶À»À» ½Äº°Çß´Ù.


Ĩ Ç÷¹Ã³(Chip Fletcher) SOESTÀÇ Àӽà ÇÐÀåÀÌÀÚ ±âÈÄȸº¹Åº·Â¼ºÇù·Âü(Climate Resilience Collaborative, CRC)ÀÇ ÀÌ»ç´Â ¡°IPCC 6Â÷ Æò°¡ º¸°í¼­¿¡ µû¸£¸é, Çؼö¸é »ó½ÂÀº ¼ö¼¼±â¿¡¼­ ¼öõ ³â µ¿¾È ¸·À» ¼ö ¾ø°í µÇµ¹¸± ¼ö ¾ø´Â Çö½ÇÀÓÀ» ¸»ÇØÁش١±¸ç ¡°Áö±ÝÀº ȸº¹Åº·Â¼º°ú »çȸÀû ÇüÆò¼ºÀ» ´õ¿í °³¼±½ÃÅ°±â À§ÇØ Áö¿ª»çȸ¸¦ Àç¼³°èÇÔÀ¸·Î½á ÀÌ ¹®Á¦·Î ÀÎÇÑ µµÀü¿¡ ´ëºñÇÒ ¶§¡±¶ó°í °­Á¶Çß´Ù.


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CRC´Â Àü±¹ÀÇ ÆÄÆ®³Ê ¹× ÇÏ¿ÍÀÌÀÇ ÀÎÇÁ¶ó °ü¸®ÀÚ¿Í Àû±ØÀûÀ¸·Î Çù·ÂÇØ °ü¸Á, µµ·Î ¹× °Ç¹° µî ÁÖ¿ä ÀÎÇÁ¶ó°¡ ¾ó¸¶³ª ¿µÇâÀ» ¹Þ´ÂÁö¿¡ ´ëÇØ Á¾ÇÕÀûÀ¸·Î Æò°¡ÇÑ´Ù. Çؼö¸é »ó½Â¿¡ ¿µÇâÀ» ¹Þ´Â ÇØ¾È ÁöÇϼöÀÇ ¿µÇâ°ú À§ÇèÀ» ÆľÇÇÏ¸é º¸´Ù È¿°úÀûÀÎ °ü¸®¿Í ÀûÀÀÀÌ °¡´ÉÇØÁø´Ù.


[¿ø¹®º¸±â]


Rising seas to eat away at underground infrastructure in Hawaiʻi, globally


 

As sea levels rise, coastal groundwater is lifted closer to the surface while also becoming saltier and more corrosive. A new study showed that cities with complex networks of buried and partially buried infrastructure have increased danger of corrosion and failure of critical systems such as sewer lines, roadways and building foundations due to interaction with this shallower and saltier groundwater. This study by Earth scientists at the University of Hawaiʻi at Mānoa was compiled from research from experts worldwide.


¡°While it has been recognized that shallowing groundwater will eventually result in chronic flooding as it surfaces, what¡¯s less known is that it can start causing problems decades beforehand as groundwater interacts with buried infrastructure,¡± said Shellie Habel, lead author and coastal geologist in the UH Mānoa School of Ocean and Earth Science and Technology (SOEST). ¡°This knowledge gap often results in coastal groundwater changes being fully overlooked in infrastructure planning.¡±


The research team aimed to create awareness about these issues and offer guidance from world experts on managing them. Habel and co-authors reviewed existing literature to examine the diverse effects on different types of infrastructure. Additionally, by employing worldwide elevation data and geospatial data that indicate the extent of urban development, they identified 1,546 low-lying coastal cities and towns globally, where around 1.42 billion people live, that are likely experiencing these impacts.


¡°The IPCC 6th Assessment Report tells us that sea-level rise is an unstoppable and irreversible reality for centuries to millennia,¡± said Chip Fletcher, study co-author, interim dean of SOEST, and director of the UH Mānoa Climate Resilience Collaborative (CRC). ¡°Now is the time to prepare for the challenges posed by this problem by redesigning our communities for greater resilience and social equity.¡±


Concealed damage


Well before the visible effects of surface flooding, sea-level rise pushes up the water table and shifts salty water landward. With this, the subsurface environment becomes more corrosive to critical underground infrastructure networks—buried drainage and sewage lines can become compromised and mobilize urban contamination, and building foundations can weaken.


Extensive research conducted by CRC has substantiated that critical infrastructure around the world, including drainage and basements, is likely currently experiencing flooding from rising groundwater levels.


¡°The damage caused by sea level rise-influenced coastal groundwater is often concealed and not immediately perceptible,¡± said Habel, who is based at CRC and Hawaiʻi Sea Grant in SOEST. ¡°As a result, it tends to be overlooked in infrastructure management and planning efforts.¡±


Informing management strategies


The authors emphasize the importance of research efforts that can contribute to informed adaptation strategies.


¡°Being aware of these hidden impacts of sea-level rise is of significant importance for the State of Hawaiʻi due to the concentration of communities situated along low-lying coastal zones where groundwater is generally very shallow,¡± said Habel.


CRC actively collaborates with partners across the nation and infrastructure managers in Hawaiʻi to gain a comprehensive assessment of how vital infrastructure, encompassing pipe networks, roadways and buildings, is impacted. Understanding the impacts and risks associated with sea level rise-influenced coastal groundwater enables more effective management and adaptation.


[Ãâó = ÇÏ¿ÍÀÌ´ëÇб³(University Of Hawaiʻi)(https://www.hawaii.edu/news/2024/04/15/underground-infrastructure-corroding/) / 2024³â 4¿ù 15ÀÏ]

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