Phạm Văn Vân, Hồ Thị Lam Trà (trang 120-128)
Từ khoá: ứng dụng, hệ thống thông tin địa lý, GIS, bản đồ, ô nhiễm, cadimi, chì, đất nông nghiệp
Initial application of geographic information systems (GIS) – in mapping of cadmium and lead pollution in agriculture soils
This map was made by 2 methods (points or areas). Based on Cad pollution map and Pb pollution map, the map of pollution was compiled. Gia Lam and Thanh Tri districts have been rapidly industrialized and populated in HA Noi city, but pollution of agricultural soils by Cad pollution is limited and very low up to the present. Pollution Pb of is most severe in agricultural soil nearby the industrial zones.