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一、洪水威胁是全省人民的心腹大息我省总面积18.59万平方公里,除桐柏山区有1163平方公里属于淮河流域外,其余均为长江流域。省内雨量充沛,多年平均降雨量1166毫米,但时空分布极为不均,南北相差一倍多,4至9月雨量一般占年总量的70%至90%。全省江河纵横,湖泊众多。长江在境内流程为1061公里,宜昌以上山势陡峻,水流湍急,宜昌以下穿过江汉平原,流经27个县市。汉江自陕西省白河县流入省境,流程858公里,流经14个县市,至武汉市汇入长江。全省有中小河流1193条,总长3.5万公里,构成向心水系,其中流域面积1000平方公里以上的较大河流26
First, the threat of floods is the great advantage of the people of the province My province has a total area of 185,900 square kilometers, with the exception of Tongbai Mountain District, 1163 square kilometers belong to the Huaihe River, the rest are the Yangtze River. Rainfall in the province is plentiful, with an average annual rainfall of 1166 millimeters, but its spatial and temporal distribution is extremely uneven with a difference of more than doubled between north and south. Generally, the rainfall from April to September accounts for 70% to 90% of the annual total. The province has many rivers and lakes. The flow of the Yangtze River in the territory of 1061 kilometers, Yichang steep mountains, fast-flowing, below the Yichang through the Jianghan Plain, flowing through 27 counties. The Han River flows into the province from Baihe County, Shaanxi Province, with a flow of 858 kilometers and flows through 14 counties and cities to the Yangtze River in Wuhan City. The province has 1193 medium and small rivers, with a total length of 35,000 km, forming a centripetal river system, of which a larger river basin area of 1,000 square kilometers 26