Knowra Huai River Huai River The Huai River is a major river in eastern China, flowing through Henan, Anhui, and Jiangsu provinces into Hongze Lake. Its basin lies between the Yellow River and the Yangtze River.
Hongze Lake : Hongze Lake is a large freshwater lake in Jiangsu Province, China, connected to the Huai River. The Huai River flows into this lake, which stores and conveys its water.
Yellow River course changes : Yellow River course changes are major shifts in the river’s channel and outlet across the North China Plain. Historical avulsions altered the Huai basin’s drainage and reshaped its northern boundary.
Huai River regulation : Huai River regulation comprises dams, channels, embankments, and other works used to control water in the basin. These works manage floods, irrigation supply, and the river’s connection to downstream lakes.
Huai River–Qinling Line : The Huai River–Qinling Line is a commonly used boundary between northern and southern China’s climates and cultural regions. The river’s location gives it symbolic and geographic significance beyond its drainage basin.
Huai River Basin : The Huai River Basin is the drainage region whose waters flow toward the Huai River and its connected waterways. Its rainfall, tributaries, and land use determine the river’s flow and flood burden.
Yellow River : The Yellow River is a major river in northern China and a principal source of sediment on the North China Plain. Its changing lower course has repeatedly affected the Huai’s drainage.
South–North Water Transfer Project : The South–North Water Transfer Project is a system of canals and tunnels moving water from southern to northern China. Its eastern route uses waterways associated with the Huai basin.
1931 China floods : The 1931 China floods were catastrophic floods that affected several major river basins and cities in China. The Huai basin was among the regions affected by the disaster.
Ying River : The Ying River is a major tributary of the Huai River, flowing through Henan and Anhui provinces. It is one of the principal tributaries feeding the Huai in its middle reaches.
Grand Canal of China : The Grand Canal of China is an extensive historic waterway linking northern and southern China. Its route crosses the Huai system and has long connected regional navigation and water management.
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