... society in general and Vietnam in particular. Due to impacts of climate change, water resources in river is changed in quantity, quality, regime Within the framework of the paper, the impact of ... km2, in which there are 9470 km2 in the upper (34%) Laos, 17 730 km2 (65.2%) in the middle and lower in most of the territory of two provinces of Nghe An - Ha Tinh and a part of the ... 2.07%. In general, flow in months of flood season has an increasing trend. At Yen Thuong station, flow in August has the highest increasing trend, from 4.4% in period 2020-2039 to 17.7% in period...