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Xây dựng bản đồ vị trí bãi rác, bãi chôn lấp, đánh giá nguy cơ thất thoát rác thải nhựa thông qua dữ liệu ảnh vệ tinh có độ phân giải cao từ chương trình Copernicus
Summary
Vietnamese researchers used satellite imagery from the Copernicus program to map open landfill sites near waterways and assess their potential to leak plastic waste into water bodies. The analysis found 198 at-risk sites, highlighting how unmanaged land-based plastic waste drives aquatic microplastic contamination.
In 2022, the Vietnam Institute of Seas and Islands (VISI), WWF-Vietnam, and Global Plastic Watch (GPW) used (freely) available high-resolution data from the Copernicus program and other sources to locate open landfills in a defined vicinity to a water body to assess their potential leakage risk of plastic waste in Vietnam.The results showed 198 landfill sites with data on total area, population, drainage direction, distance to a waterway, nearest water type, landform, slope, elevation, upstream drainage area, fine earth density, soil clay content, and soil sand content.Actual data from nine provinces were collected using an official document to the Department of Natural Resources and Environment in Ha Tinh, Quang Binh, Thua Thiên Hue, Da Nang, Quang Nam, Phu Yen, Con Dao (BRVT), Long An, and Kien Giang.Research verified 17 landfill sites with the highest