2021 "China Water Resources Bulletin" released
Author:Chinese water conservancy Time:2022.06.16
The Ministry of Water Resources recently released the 2021 "China Water Resources Bulletin". In 2021, the national precipitation and total water resources were significantly more than the annual average, and large and medium -sized reservoirs and lakes were overall stable. The total water consumption in the country has increased compared with 2020, the efficiency of water use has been further improved, and the structure of water use is continuously optimized.
In 2021, the total water resources nationwide were 2963.82 billion cubic meters, a 7.3%more than the annual average. Among them, the surface water resources were 283,10.05 billion cubic meters, the amount of groundwater resources was 819.57 billion cubic meters, and the groundwater and surface water resources did not repeat the amount of 132.77 billion cubic meters.
In 2021, the total water used in the country was 5920 million cubic meters. Among them, the living water was 90.94 billion cubic meters, accounting for 15.4%of the total water; industrial water was 104.96 billion cubic meters (of which the fire nuclear power DC cooling water was 50.74 billion cubic meters), accounting for 17.7%of the total water; 100 million cubic meters, accounting for 61.5%of the total water; the artificial ecological environment was replenishing 31.69 billion cubic meters, accounting for 5.4%of the total water. The water supply volume of the surface water source was 49.281 billion cubic meters, accounting for 83.2%of the total water supply; the water supply of groundwater sources was 85.38 billion cubic meters, accounting for 14.5%of the total water supply. 2.3%.
Compared with 2020, the total water consumption increased by 10.73 billion cubic meters, of which living water increased by 4.63 billion cubic meters, agricultural water increased by 3.19 billion cubic meters, industrial water increased by 1.92 billion cubic meters, and the artificial ecological environment had increased by 9.9 billion cubic meters of cubic meters. Essence
In 2021, the per capita comprehensive water consumption of the country was 419 cubic meters, and the total domestic product (price) was 51.8 cubic meters. The average water volume of the actual irrigation of cultivated land is 355 cubic meters, and the effective use coefficient of the farmland irrigation water is 0.568, the value of 10,000 yuan in industrial value (the price) is 28.2 cubic meters, and the per capita living water volume (including public water) is 176L/D is 176L/D. The per capita water consumption of urban and rural residents is 124L/D. Compared with 2020, 10,000 yuan of domestic GDP's water consumption and 10,000 yuan industrial added value decreased by 5.8%and 7.1%respectively (calculated at comparative prices).
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