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1 水资源的状况河南省水资源总量为414亿m~3,其中地表水资源量313亿m~3,浅层地下水资源量204.7亿m~3,扣除二者的重复计算量104亿m~3,水资源模数为24.8万m~3/a·km~2。全省水资源总量在全国居第19位。以1999年河南省水资源公报的数据,1999年总供水量为228.57亿m~3,其中地表水资源供水量占43.1%,地下水源供水量占56.8%,其他水源供水量占0.1%。1999年全省总用水
1 The status of water resources The total water resources in Henan Province is 41.4 billion m 3, of which 31.3 billion m 3 is surface water and 20.47 billion m 3 shallow groundwater, accounting for 10.4 billion m ~ 3, and the water resource modulus is 248,000 ~ 3 / a · km ~ 2. The province’s total water resources ranked 19th in the country. According to the 1999 Henan Province Bulletin of Water Resources, the total water supply in 1999 was 22.857 billion m 3, of which surface water resources accounted for 43.1%, groundwater sources 56.8% and other sources 0.1%. In 1999 the province’s total water use