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信阳市位于河南省南部,多年平均降雨量为1 100mm。半个世纪以来,信阳市先后修建了各类水库884座,其中大型水库5座,中型水库13座,小型水库866座,加上塘、堰、坝及拦河枢纽,蓄水总量达到50亿m~3,较1949年增加8.5倍,形成大型灌区5处,中型灌区30处,小型灌区632处,灌溉事业取得了巨大的成就,使信阳成为中原典型的“鱼米之乡”。但是,随着人口的增长和社会经济的迅速发展,信阳市水资源紧缺的矛盾
Xinyang City is located in southern Henan Province, the average annual rainfall of 1 100mm. For half a century, 884 reservoirs have been built in Xinyang City, including 5 large reservoirs, 13 medium-sized reservoirs and 866 small reservoirs. Together with ponds, weirs, dams and river basins, the total water storage reaches 5 billion an increase of 8.5 times compared with that in 1949, forming 5 large-scale irrigation districts, 30 medium-sized irrigation districts and 632 small-scale irrigation districts. The irrigation has made great achievements and made Xinyang a typical “hometown of fish and rice” in the Central Plains. However, with the population growth and rapid socio-economic development, the contradiction of water shortage in Xinyang City