Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Qiantang River Spring Tide

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_1984
The Qiantang River spring tide is a famous tidal phenomenon in China, and only the surge tide of the Brazilian Amazon is comparable to it. The estuary of the Qiantang River, Hangzhou Bay, has a wide inlet and a narrow inner channel like a trumpet. The ocean water enters through the 100-km-wide mouth, but the river channel becomes narrower, and the riverbed becomes shallower. The seawater is bound by the river banks on both sides and is pushed by the flow of the Qiantang River from upstream, so the tidal water accumulates to form surging tides with a wave wall that is 3–10 m high. The surge tide occurs from the 1st to the 5th days and from the 15th to the 20th days of each lunar month, and the best time to see the tide is from the 15th day to the 18th day of the 8th month of the lunar calendar (Fig. 2).
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