Nguyễn Thị Hồng Điệp, Võ Quang Minh
Từ khoá: Ứng dụng, phương pháp, thông tin địa lý, GIS, đánh giá, phân bố, arsen, As, nước ngầm, Long Phú, Sóc Trăng
Using GIS for distribution of arsen in ground water of Long Phu district, Soc Trang province
Variogram model, the suitable distance for sampling on study area is 1600-4800m, the spatial distribution of arsen in ground water changing from 0.66-47.81mg/l (Vietnam standard of arsen in ground water is 0.05mg/l). some places in study area, arsen is near the threshold (0.047 mg/l), so using ground water in this area should be careful because it will affect human health.