1　Basic Information of River Networks on South Bank of Jingjiang River Reach in Hubei

Jingnan River network area is located in the south of the province of Hubei,involves Songzi City(7 villages),Jingzhou district(Mishi Town),Gong'an County and Shishou City(10 villages)and so forth.There are 21 irrigated areas in this network area,which consists of 2 large irrigation districts,18 medium-sized irrigation districts and 1 small irrigation areas.Its designed irrigation area is 2.9905 million mu,and the present irrigation area is 2.2223 million mu.And in this area,water storage projects include 31 reservoirs,25 lakes,269 deep trenches,6318 ponds,33 deep sinks,rivers mainly include the Songzi River,the Hudu River and the Ouchi River(hereinafter referred to as〝Three rivers in Jing-Nan〞).What's more,there are 112 water diversion works(sluices),corresponding water diversion capacity is 593.9m3/s,76living water supply projects,corresponding water supply scale is 6.40m3/s,and 11 main industrial waterintakes,correspongding water supply scale is 3.89m3/s.