General situation of Xiangjiang River mainstream

Xiangjiang River originated in Wushe Village, Luoshan Township, Xunwu County, Ganzhou City, Jiangxi Province, Xia Yuanshe Village, Ruozhuhu Village, Jitan Town, and Zhou She Village, Shuiyuan Township, which are at the junction of Jiangxi and Fujian. Heyuan is located at east longitude115 52' and north latitude 25 36'. .

In Xunwu County, it is the source of the river, named Luotang River. It was named Luotang Town when it flowed through Luoshan Township in the Republic of China, and Yanmenbao, which belonged to Anyuan County before the Republic of China, was also called Yanmenshui. Go north to Tianjin River via Tongluoqiu, Kamitsumura, Luoshan Township, and note Xiangshui in Huichang County. In Luoshan Township (formerly Luotang Township), the river course is 27.6 kilometers long, and the drainage area of Xiangjiang River system is 192.52 square kilometers, accounting for 8.3% of the total area of the county, which is distributed in the northeast of the county. There are 2 river basins with an area greater than 100 square kilometers, 8 river basins with an area greater than 10 square kilometers, and 89 rivers with an inflow area from abroad. The total water resources are 654.38+64 million cubic meters, the transit passenger volume is 76 million cubic meters, and the total water resources are 240 million cubic meters.

In Huichang County, the main stream of Xiangjiang River enters Yuanxing Village of Junmenling Town from south to north. It flows through Junmenling, Zhoutian, Zhantang, Massachusetts, Wenwuba Township and Xiangjiang Town, runs through the southern central area of the county, and joins Mianjiang River in the upper reaches of Ganjiang River in the northeast of the county. 7 rivers with a drainage area of 100 km2; There is a river with 10- 100 square kilometers. The main rivers in the county are 78.2 kilometers long and the catchment area is 1682.6 square kilometers.

The catchment area of the whole river is 2049.3 square kilometers, the total length of the main stream is 103.4 kilometers, the longitudinal slope of the main stream is 1.53%, the average elevation of the basin is 429m, the average gradient of the basin is 0.270m/ square kilometer, the length of the basin is 74.2km, and the shape coefficient of the basin is 0.37.