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Current status of researches on microplastics in groundwater and perspectives
Summary
This review examines the current status of microplastic research in groundwater systems internationally, identifying that despite growing attention to microplastics in surface and marine waters, groundwater investigations remain sparse both in South Korea and globally. Researchers diagnosed gaps in monitoring methodology and management frameworks, proposing directions for more effective groundwater microplastic assessment.
플라스틱은 인간 생활의 전반에 광범위하게 이용되고 있으며 내구성, 경량성, 경제성으로 생산량과 사용량이 크게 증가하고 있다. 그러나 사용 후 재활용률은 낮으며 많은 부분이 육상과 해양환경으로 폐기되고 있어 환경문제로 대두된다. 최근 인위적으로 제조된 혹은 자연환경에서 잘게 부서진 5 mm 이하의 미세플라스틱이 새로운 오염물질로 대두되어 자연생태계는 물론 인간의 건강을 위협하는 요인으로 작용하고 있다. 이런 미세플라스틱에 대한 우려와 연구는 해양에서 하천수, 호소수 등 육지환경으로 확대되었으나 아직 우리나라는 물론 전세계적으로 지하수에 대한 조사는 미미하다. 이에 본 리뷰에서는 우리나라와 세계 각국의 지하수 내 미세플라스틱 관련 연구 현황과 실태를 살펴보고 관련 문제점을 진단하였으며 향후 효과적이고 조사 및 관리를 위한 생산적 발전 방향을 제시하였다.
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