The main tributary of the Yellow River.
Baishi River, the trunk of the Yellow River, flows northward from Datianding into Tang Jia Village of Wangsha Township and leaves Guangxi. Xinyi county is 96 kilometers long, and the rainwater collection area is 1 137. 1 square kilometer. The average river bed gradient in the county is 0.87, and there are 63 administrative villages in the basin, with a total entrance of 14888, among which
Qianpai River originates from the main road of Huanghua River, and the top flow of frozen puddles flows into Daren River in Hu Aixiang. The whole river is 55.5 kilometers long, with a rainwater collection area of 399.9 square kilometers, with an average riverbed gradient of 1 1.08, covering 32 administrative villages.
Guizi River originates from Daying 'ao of Guizi, flows into Wangsha Estuary and joins Huanghua River, with a total length of 25.2 kilometers. The average river bed gradient is 9.92, and the rainwater collection area 154.3 square kilometers. There are 1 administrative villages in the basin.
Shadi River originates from the top of Dongzhuyuan Mountain in Baishi Town. It flows to the main stream of Huanghuajiang River in Baishiweitou, with a river length of 19.5km, an average riverbed gradient of 16.46, and a rainwater collection area of 103.4 km2. The river basin covers 10 administrative villages.
Zhusha River originates from the top of Dong Chi Garden and flows through the Huanghua River at the intersection of Shuihan River in Cenxi City, Guangxi, with a total length of 8 1 and a length of 42.6 kilometers in Xinyi County. The rainwater collection area of the whole river110/km2, and that of the county189.4km2.. The average river bed gradient in the county is 3.84, and there are 23 administrative villages in the basin.
In Cenxi City, Guangxi, tributaries of river basins with rainfall collection area exceeding 50 square kilometers include Xiangshui River, Liuwang River, Dongjun River, Tangsheng River, Tanrong River, Malu River and Gutai River. There are Longtian River and Jiaotang River, with a catchment area of 40-50 square kilometers. There are Wangqiang River, Nanliu River, Liuge River, Baidie River, Yixiu River, Bokou River, Tangbo River and Gudong River, with a drainage area of 10 ~ 38 square kilometers. The tributaries with a basin area of more than 50 square kilometers are as follows:
Xiangshui River, which originated in Wu Li, Zhusha Town, xinyi city, joins the Huanghua River at Shuiwen Street, Shuiwen Town, with a drainage area of 194 square kilometers, of which the urban drainage area is 54 square kilometers and the river length is 6.6 kilometers. The average annual runoff is 209 million cubic meters, the normal flow is 3.38 cubic meters per second, and the maximum flow is 1296 cubic meters per second. Liuwang River (also known as Liucun Water) has four small tributaries: Yandong River from Yandong and Cynthia River from Cynthia. After Wangpo joins, it joins Shangyong River in Shang Yong at Kengkou, Wang Gong River in Wang Gong at Shangzhi, flows southward through the junction of Tianhan and Xihe Village, and joins Huanghua River. The total length of Liuwang River is16km, with a drainage area of 74.5km2.. The average annual runoff is 80 million cubic meters, the normal flow is 1.3 cubic meters per second, and the maximum flow is 585 cubic meters per second.
Dongjun River has three small tributaries, namely, the June 4th River originating from Dabodu and the Junfeng River originating from Dajiankou, which meet at Qiliao, then join the Jitai River originating from the top of the earth pillar at Biziping, and then join the Huanghua River to Ertan in Dong Jun. The total length of Dongjun River is 14 km, the drainage area is 70 square kilometers, the annual average runoff is 76 million cubic meters, the normal flow is 1.22 cubic meters per second, and the maximum flow is 695 cubic meters per second.
Tangsheng River (also known as Nanxiangshui) has three tributaries, namely Changgan River originating from Jiaoyi Mountain and Poshe River originating from Poshe. After the confluence of Pangu Longdong Cave, it flows into the Heshu River, which originated from Mupo Mountain, and flows into Huanghua River via Xilan to Dunan Street. The total length of Tangsheng River is 15. 1 km, the drainage area is 68 square kilometers, the average annual runoff is 73 million cubic meters, the normal flow is 1. 18 cubic meters per second, and the maximum flow is 77 cubic meters per second.
Tanjung River has three small tributaries; Wangqing River, which originated from Wangqing, and Tanya River, which originated from Tanya, meet at Liujiangzui, then meet Guyong River, which originated from Shangshuang, in Tanrong Dashe, and then flow into Huanghua River through Lingyao Village. The total length of Tanrong River is 13.3km, the drainage area is 810.5km2, the annual average runoff is 900 million cubic meters, the normal flow is10.42m3/s, and the maximum flow is 884m3/s.
The Malu River originated in the northwest of Liaotian, Zhangmu Town, and flowed into the Huanghua River in the horizontal village through Tang Fu and Malu. The total length of Malu River is 15.8km, the drainage area is 65km2, the average annual runoff is 700 million cubic meters, the normal flow is 1. 13 cubic meters per second, and the maximum flow is 574 cubic meters per second.
Gutai River originates from Shitang, Du Nan Town, flows through Shiping and Gutai, and flows into Huanghua River. The total length of the Gutai River is 12.6km, the drainage area is 5 1 km2, the annual average runoff is 55 million cubic meters, the downstream constant flow is 0.89 cubic meters per second, the maximum flow is 49 1 cubic meter per second, and the riverbed gradient is 12‰.