Abstract
Aiming at the problem of water shortage in the world, we set up an index to measure the supply capacity of regional water resources, and chose six regions to verify the accuracy of the index. Then we chose the Beijing area to analyze the causes of water shortage combined with the actual situation. After that, we predicted the water supply situation in Beijing area in the next 15 years and explained the impact of future water resources on the residents’ life by using the grey prediction method. Then the intervention plan is put forward, and the influence of the intervention plan is added to the evaluation model, and then the water supply capacity of the prognosis is predicted again. The quality of the intervention plan is evaluated, and suggestions for future water resources supply are put forward.
Highlights
1.1 The Related Background of the ProblemAccording to the United Nations, 160 million people (1/4 of the world’s population) are short of water
Aiming at the problem of water shortage in the world, we set up an index to measure the supply capacity of regional water resources, and chose six regions to verify the accuracy of the index
We chose the Beijing area to analyze the causes of water shortage combined with the actual situation
Summary
According to the United Nations, 160 million people (1/4 of the world’s population) are short of water. Water consumption was two times the rate of population growth. Human beings need water resources for industrial, agricultural and residential purposes. There are two main reasons for the shortage of water resources: physical shortage and economic shortage. The physical shortage means that the area of water is not enough to meet the demand. Economic shortage means water in the region, but poor management and lack of infrastructure limits the availability of clean water. Many scientists believe that with climate change and population growth, the problem of water shortage is getting worse. Improving and providing clean and clean water has become a key issue
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