Bianjing Flood Disaster

Timeline

1. 1024Urban area of Bianjing · KaifengIn the second Tiansheng year, the Bian River and capital waterways drained poorly due to siltation and privately built weirs; after prolonged rains, Bianjing's urban areas flooded, threatening homes and grain transport. This was one precursor of the series of floods during the Tiansheng era.
2. 1024Bianjing · KaifengZhang Junping and others memorialized with eight measures for managing waterways, proposing strict bans on private weirs and fish traps in ancient channels to prevent siltation and sudden floods. Emperor Renzong adopted the proposals and issued edicts to improve the capital's flood-drainage capacity.