Study on water resources management in Henan Province based on principal component analysis

This paper selects 11 indicators from three aspects of water resources environment, economy and society to construct the water resources management evaluation system, and uses the principal component analysis method for analysis. Through the comprehensive evaluation of the water resources management level of Henan province in the past three years, the water resources management level of Henan province is compared to promote its management level and improve the efficiency of water resources utilization. The results show that: 1. The water resource utilization level in Henan province is stable and improving. 2. Cities with best water resource management include Zhengzhou, Luoyang, Xinxiang and Nanyang, while cities with good water resource management include Kaifeng, Pingdingshan, Anyang, Jiaozuo and Xinyang. 3. The water resources management level and the economic development level correlation degree is big, and the social development level correlation degree is small.