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Sui-Tang Grand Canal Operating System

Type Object Region China Time 801–900

The Sui-Tang Grand Canal linked the Hai, Yellow, Huai, Yangtze, and Qiantang river systems, forming the main north-south grain transport artery;…

Timeline

  1. 801–855Tongji Canal–Han Canal section · Henan ProvinceGrain transport commissioners of Huainan and Henan supervised fleet organization; grain transport opened each spring, with Jiang-Huai rent rice traveling north via Yangzhou and Bianzhou into Luoyang, then west to Chang'an, with transfer granaries such as Heyin and Hanjia set up along the river.
  2. 856–900Bian Canal–northern Tongji Canal section · Henan ProvinceRegional warlords withholding grain taxes, damage from warfare, and hydrological changes caused frequent siltation of key sections such as the Bian Canal; grain transport volume dropped sharply, and the court had to supplement the two capitals' grain needs with land transport and commutation, significantly reducing the Grand Canal's overall operating efficiency.

Sources