Assessment on the environmental vulnerability through the climate indexes of Dong Nai river basin

The author of the article uses EVI method for 4 indexes in the climate group of the sustainable development index to assess the vulnerability in 3 meteorological stations of Dong Nai river basin. Results show that the indexes of hot periods, cold periods and dry periods remain within safe limits when the vulnerability level is very low at level 1, but the wet periods are more vulnerable at level 3.