Water resources carrying capacity based on principal component analysis

Based on the principal component analysis method from 11 evaluation indicators influence on the water resources carrying capacity, this thesis works out two comprehensive indicators as principal component factors, determines the weights of two principal components using the entropy method, and calculates comprehensive score. The results show that the level of water resources carrying capacity in Henan province is on the rise, technology and social economic development level are the main driving factors, and the water resources carrying capacity has negative correlation with agricultural water.