What water systems are there in Guizhou? What are the characteristics of its main rivers?

There are eight major water systems in Guizhou, which belong to two major river basins. The north of Miaoling belongs to the Yangtze River Basin, and there are four major water systems: Hengjiang River System, Wujiang River System, Chishui River System and Yuanjiang River System. South of Miaoling belongs to the Pearl River Basin, and there are four major water systems: Nanpanjiang River System, Beipanjiang River System, Hongshui River System and Duliujiang River System. Their characteristics are mainly as follows:

Hengjiang River System of Niulan River 1

Weining County is located in the west of Guizhou Province, with a drainage area of 4,888 square kilometers. The main stream of Niulan River originated in Yunnan Province, with a length of 79 kilometers and a drainage area of 20 1.4 square kilometers in Guizhou Province. The main tributaries are Hala River and Yulong River.

2. Wujiang River System

The main stream of Wujiang River is the largest tributary on the right bank of the upper reaches of the Yangtze River. It is produced in Luxiang Mountain, Yancang Town, Weining County, Guizhou Province. It has a total length of 889 kilometers and a drainage area of 66,800 square kilometers, accounting for 37.9% of the total area of the province. It is the largest river in Guizhou. The source of Wujiang River is Sancha River, which flows from west to east through Bijie, Liupanshui and Anshun, joins Liuchong River in the north at the junction of Zhijin and Qianxi, then flows from west to east to Sinan County, then turns north and joins the Yangtze River in Fuling, Chongqing. Wujiang River system is rich in water and water resources. The annual water volume is 54.9 billion cubic meters, which is equivalent to that of the Yellow River. Wujiang River has favorable conditions for developing water elevator stages. Large and medium-sized hydropower stations such as Wujiangdu, Dongfeng, Puding, Hongjiadu, Yinzidu and Suofengying have been built successively, and their capacity has been expanded. Goupitan large hydropower station is under construction. In addition, the scenery of Wujiang River is beautiful, with beautiful scenery and good conditions for tourism development. Wujiang river basin flows through the areas with early development, dense population and developed economy in Guizhou, and the development of Wujiang river system is of great significance to the development of Guizhou.

3. Qijiang River System of Chishui River

Mainly located in the northern part of Guizhou Province, including Chishui River, Tongzi River and Songkan River in the upper reaches of Qijiang River. Chishui River originates from Yu He Township, Weixin County, Yunnan Province, and is a first-class tributary on the right bank of the Yangtze River. Its main stream enters Bijie City in western Guizhou and becomes the boundary river between Sichuan and Guizhou. After flowing through Jinsha County, Xishui County and Chishui City, it flows into the Yangtze River in Hejiang, Sichuan. Guizhou is 299 kilometers long, with a drainage area of 1. 1.40 million square kilometers. The main tributaries are Erdao River, Tongzi River and Xishui River. The average annual runoff is 5.53 billion cubic meters. Chishui River is located at the junction of Yunnan, Guizhou and Sichuan provinces, and has the reputation of "ecological river", "wine river" and "historical river". There are Alsophila spinulosa National Nature Reserve, Chishui National Key Scenic Spot and Zhuhai National Forest Park in the basin. Maotai, Xijiu, Langjiu and other famous China wines are all produced on both sides of this river; It also left the footprints of the Chinese Red Army of Workers and Peasants crossing Chishui four times.

4. Yuanjiang River System

Yuanjiang, also known as Shui Yuan, is a tributary of Dongting Lake in the Yangtze River basin. It flows through China, Guizhou and Hunan provinces. Yuanjiang River is the second largest river in Hunan Province, with a total length of1033km (1133km and 1022 km), a drainage area of 8,965,438+0.63km 2, with an average annual runoff of 39.33 billion cubic meters and a drop of1. It is the second largest of the four major water systems in Dongting Lake: Hunan, Guizhou, Yuan and Li.

5. Nanpanjiang

Nanpanjiang River is the upstream source of Xijiang River, the main stream of the Pearl River. It originates from Maxiong Mountain in Zhanyi County, Yunnan Province, and flows through the Sanjiangkou at the junction of Yunnan, Guizhou and Guangxi provinces, becoming the boundary river between Guizhou and Guangxi provinces. The intersection of Zhexiang Township and Beipanjiang River in Wangmo County is called Hongshui River. The main stream is 263 kilometers long, and the main tributaries are Huangni River and Mabie River. There are abundant water and hydraulic resources in the basin. The average annual runoff is 52 1 100 million cubic meters. Tianshengqiao I and II hydropower stations have been completed.

6. Beipanjiang

Beipanjiang River is a first-class tributary on the left bank of the upper reaches of the Xijiang River, the main stream of the Pearl River. It originated in the southwest of Banqiao Township, Xuanwei City, Yunnan Province. It flows from west to east through Xuanwei to Du Ge, then turns southeast to Maokou and Panjiang Bridge, and finally reaches Zhexiang, Wangmo County and joins Nanpanjiang River. Guizhou is 352 kilometers long. The main tributaries are Tuojiang River, Wudu River, Masha River, Datian River, Kedu River, Moon River and Dabang River. The basin is rich in water conservancy, hydropower and mineral resources and has a beautiful environment. Average annual runoff 1, 2 1 100 million cubic meters. Xiangshui Hydropower Station has been completed. There are world-famous Huangguoshu Waterfall, Dragon Palace and other natural landscapes in the basin.

7. Hongshui River

Hongshui River is the Hongshui River after the confluence of South and North Panjiang rivers. At the junction of Guizhou and Guangxi, it flows from west to east 106 km, and then turns southeast into Guangxi. Guizhou basin covers an area of 65,438+6,000 square kilometers, and its main tributaries are Mengjiang and Liu Dong. Hongshui River Basin is rich in water resources and hydraulic resources. The average annual runoff is 89 1 100 million cubic meters. We cooperated with Guangxi to build Longtan Hydropower Station.

Duliujiang River is one of the main tributaries of Xijiang River, the largest source of the Pearl River system. It originated in Miaoling Mountains, the watershed between the Yangtze River and the Pearl River in southeastern Guizhou, and most of the valleys are east-west. The main stream of Duliujiang River flows through Sandu, Rongjiang and congjiang county from west to east, then enters Guangxi and finally flows into the Pearl River system. The river is deep, the valley is deep, the drop is large and the slope is steep.

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