Water resources in Haikou City are rich,but due to lack of water resources projects,parts areas appear water shortage in the non-flood season.This paper predicted the water demands in 2010,2020 and 2030,studied the available water resources and the controled water resources in different typical years.According to the present situation of water resources development and utilization in Haikou,Finally,the paper proposed the countermeasure of developing water projects in downstream of the Nandu River to use the...