Using Remote sensing and GIS to survey surface water in Hanoi, Vietnam Le Thi Minh Phuong, Vu Le Anh, Le Thi Minh Huyen, Nguyen Thanh Len, Pham Ngoc Hiep and Nguyen Thuy Linh E3S Web Conf., 403 (2023) 06003 Published online: 25 July 2023 DOI: 10.1051/e3sconf/202340306003