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The Chinese water problem exit is where(B)

provenance:Gz Yibao

Date Added:2006-03-05

2. develop along with the economy, the city turns the speed to speed, our country water of supply and demand antinomy would be more and more outstanding.The national average person of 1993 our country all supplies water to measure 450 square, if request to raise the person all 500 squares.( is international up the generally accepted water supply next limit value)Then needed to supply water 800,000,000,000 squares in 2040, then compare to increase in 1993275,000,000,000 sign the square rice, but among them the half belonged to be short of water the region north China, then need the assurance to increase to supply water 3% demand that the speed then can catch up the population growth of 2 £s annually.This in the yellow sea plain of region, the resources of water is very difficult under the condition of already serious short of currently.But this kind of growth main satisfy the industry and residents use water of demand, supply water the assurance rate to have high request, the mission is very the huge.The reform open, the our country industry production value increases with 14.9% speed annually, the town population increases with 4.4% speed, corresponding with the water growth rate is 5.6% of industry, the town supplies water 4.9%.Adopt to push to have the way that the agriculture uses the water to solve currently, at today that the our country emphasize to strengthen the agriculture, perhaps hard from now on is after.

3. along with the development of the industry and the city population, increase to supply water the quantity on the other hand, and on the other hand also increase to line up the dirty quantity.Untreated dirty water, pollute the headwaters that can make use of continuously.The 80% above population of the whole country live in seven the big river river, the great lake surroundings, the untreated dirty water that eject from the city and work mineral business enterprise annually over 40,000,000,000 sign the square rice, have already made 20 a 70% body of waters suffer the pollution, to take yellow river as an example, the water resources development makes use of the degree currently already 50% is above, but four river segment of the class water pollutions have already had 12000 kilometers,60% that have the dry subsidiary current length is above, the circumstance of the aftertime if don't adopt the urgent measure, along with the water environment capacity of dried up, problem would more and more serious.

4. really sign along with the market economy, in the future in several decades new marine hydraulic engineering implement the meeting because of expensive engineering invests to affect with social milieu, ascend the horse compare more difficult before.

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