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[2024] [È£ÁÖ] ÄýÁî·£µå´ë, ¸ð¾îÅÏ º£À̼­ ¼öõÅæ ¹Ì¼¼Çöó½ºÆ½ ¹ß°ß
À̸§ °ü¸®ÀÚ waterindustry@hanmail.net ÀÛ¼ºÀÏ 2024.04.02 Á¶È¸¼ö 513
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[È£ÁÖ] ÄýÁî·£µå´ë, ¸ð¾îÅÏ º£À̼­ ¼öõÅæ ¹Ì¼¼Çöó½ºÆ½ ¹ß°ß

»ç¿ë·® ³ôÀº Çöó½ºÆ½ Á¾·ù, Çؾç ÅðÀû¹°¼­ ¹ß°ß¡¦Àΰ£ÀÇ Çöó½ºÆ½ »ç¿ë°ú Çؾçȯ°æ°£ Á÷Á¢Àû ¿¬°ü¼º ¹àÇô



¿¤ºñ½º ¿ÀÄÚÆ÷(Elvis Okoffo) ¹Ú»ç´Â ¹Ì¼¼ Çöó½ºÆ½À» ¼öÁýÇϱâ À§ÇØ ¸ð¾îÅÏ º£ÀÌÀÇ ÁøÈë »ùÇÃÀ» Å×½ºÆ®Çß´Ù. [»çÁøÁ¦°ø(Photo Source) = University of Queensland]

¿¤ºñ½º ¿ÀÄÚÆ÷(Elvis Okoffo) ¹Ú»ç´Â ¹Ì¼¼ Çöó½ºÆ½À» ¼öÁýÇϱâ À§ÇØ ¸ð¾îÅÏ º£ÀÌÀÇ ÁøÈë »ùÇÃÀ» Å×½ºÆ®Çß´Ù. [»çÁøÁ¦°ø(Photo Source) = University of Queensland]

 

ÄýÁî·£µå´ëÇб³(University of Queensland) ¿¬±¸ÆÀÀº È£ÁÖ ºê¸®Áî¹øÀÇ ¸ð¾îÅÏ º£ÀÌ(Moreton Bay)¿¡ ÃÖ´ë 7õ ÅæÀÇ ¹Ì¼¼ Çöó½ºÆ½ÀÌ Áß¿äÇÑ »ýÅ°踦 ¿À¿°½Ãų ¼ö ÀÖ´Ù°í ÃßÁ¤Çß´Ù.


ÄýÁî·£µå´ë ÄýÁî·£µå ȯ°æº¸°Ç°úÇп¬ÇÕÀÇ ¿¤ºñ½º ¿ÀÄÚÆ÷(Elvis Okoffo) ¹Ú»ç´Â ¿¬±¸ÆÀÀÌ ¸ð¾îÅÏ º£ÀÌ Àü¿ª¿¡¼­ ¼öÁýÇÑ 50°³ÀÇ Ç¥¸é ÅðÀû¹° »ùÇà ³» Æ÷ÇÔµÈ Çöó½ºÆ½À» ÃøÁ¤Çß´Ù°í ¼³¸íÇß´Ù.


¿ÀÄÚÆ÷ ¹Ú»ç´Â ¡°¿ì¸®°¡ ¹ß°ßÇÑ Çöó½ºÆ½ ¿À¿° ¼öÁØÀº Çöó½ºÆ½À¸·Î °¡µæ Âù ¿Ã¸²ÇÈ ±Ô°Ý ¼ö¿µÀå 3°÷À̳ª ÀÏȸ¿ë ºñ´ÒºÀÁö 150¸¸ °³¿Í ¸Â¸Ô´Â´Ù"¸ç ¡°°ËÃâµÈ ÁÖ¿ä Çöó½ºÆ½ Á¾·ù´Â Æú¸®¿¡Æ¿·»(PE)°ú Æú¸®¿°È­ºñ´Ò(PVC)"À̶ó°í ¸»Çß´Ù..


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Çï·» º¸½ºÅäÅ© ¶óÀ̸Õ(Helen Bostock Lyman) ÄýÁî·£µå´ë ȯ°æ´ëÇÐ ºÎ±³¼ö´Â ÇØÀú·Î ³»·Á°£ ÀÛÀº ±Ý¼Ó ±×·¡¹ö¸¦ ÀÌ¿ëÇØ º£ÀÌ °Ç³ÊÆí¿¡¼­ ÅðÀû¹° »ùÇÃÀ» ¼öÁýÇß´Ù°í ¸»Çß´Ù.


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ÀÌ¾î ¡°ÇØ¾È È¯°æÀ» ¿À¿°½ÃÅ°´Â Çöó½ºÆ½ Á¾·ù¿Í ¹®Á¦ÀÇ ±Ô¸ð¸¦ ÀÌÇØÇÏ´Â °ÍÀº ¹Ì·¡ÀÇ ¿À¿°À» ÁÙÀ̱â À§ÇÑ Àü·«À» ¾Ë¸®´Â µ¥ ¸Å¿ì Áß¿äÇÏ´Ù"¸ç ¡°À̹ø ¿¬±¸´Â ¸ð¾îÅÏ º£ÀÌÀÇ Çöó½ºÆ½À» Á¤·®È­ÇÑ ÃÖÃÊÀÇ ¿¬±¸ÀÌÀÚ È£ÁÖ ÁÖº¯ ÇØ¾È Áö¿ªÀÇ ¹Ì¼¼ Çöó½ºÆ½ ¿À¿°À» Á¤·®È­ÇÑ ¸î ¾È µÇ´Â ¿¬±¸ Áß Çϳª´Ù. ¿ì¸®´Â ÇöÀç ¸ð¾îÅÏ º£ÀÌ¿¡¼­ ½Ã°£ÀÌ Áö³²¿¡ µû¶ó º£ÀÌ Á߽ɺÎÀÇ ÅðÀû¹° ÄÚ¾î(Sediment Cores)¿¡¼­ Çöó½ºÆ½ÀÌ ¾î¶»°Ô º¯È­Çß´ÂÁö Á¶»çÇÏ°í ÀÖÀ¸¸ç, ÀÌ °÷¿¡ »ç´Â À¯±âüÀÇ Çöó½ºÆ½ ¿À¿° ¼öÁØÀ» Á¶»çÇÒ °Í"À̶ó°í µ¡ºÙ¿´´Ù.


ÀÌ ¿¬±¸´Â ¡ºÁ¾ÇÕ È¯°æ °úÇÐ(Science of the Total Environment)¡»¿¡ °ÔÀçµÆ´Ù.


[¿ø¹®º¸±â]


Thousands of tonnes of microplastics found in Moreton Bay


 

University of Queensland researchers estimate there could be up to 7000 tonnes of microplastics polluting vital ecosystems in Brisbane¡¯s Moreton Bay.


Dr Elvis Okoffo from UQ¡¯s Queensland Alliance for Environmental Health Sciences said the team measured plastic stored within 50 surface sediment samples collected across Moreton Bay.


¡°The level of plastic contamination we found is equivalent to three Olympic swimming pools full of plastic or 1.5 million single use plastic bags,¡± Dr Okoffo said.


¡°The main types of plastic detected were polyethylene (PE) and polyvinyl chloride (PVC).


¡°PE is used for single-use items such as plastic food wrapping, bags and bottles and PVC is used in pipes, building materials, electronics, and clothing.


¡°These were the most used types of plastics in Australia between 2019-2020 and our findings suggest a direct link between the use of these plastics and their prominence in the coastal environment.¡±


The UQ research team used a mass based quantitative method to measure the concentration of seven common plastic types in the bay and its ecosystems, including mangroves, seagrasses and mud.


Associate Professor Helen Bostock Lyman from UQ¡¯s School of the Environment said sediment samples were collected from across the bay using a small metal grabber lowered to the sea floor.


¡°The samples were put into glass jars, dried in the lab and analysed for plastic polymers using a solvent extraction and mass spectrometry technique which looks at the chemical signature of the different polymers,¡± Dr Bostock said.


¡°The advantage of this method is that we can quantitatively measure plastic concentrations of any size range.


¡°Understanding the types of plastic polluting coastal environments and the scale of the issue is critical to informing strategies to reduce future pollution.


¡°This is the first study to quantify plastic in Moreton Bay and one of the few studies that has quantified microplastic pollution in coastal areas around Australia.


¡°We are currently investigating how plastic has changed over time in Moreton Bay from sediment cores from the centre of the bay and we will be looking at the level of plastic contamination in organisms that live there.¡±


The research paper was published in Science of the Total Environment.


[Ãâó = ÄýÁî·£µå´ëÇб³(University of Queensland)(https://www.uq.edu.au/news/article/2024/03/thousands-of-tonnes-of-microplastics-found-moreton-bay) / 2024³â 3¿ù 25ÀÏ]

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