| 摘 要： | Based on the long-term hydrological and sedimental data and the hydrolographic charts or more than 100 years, comprehensive analyses and studies have been made on the river runoff, sediment, tides and waves outside the Changjiang river estuary.Origin and siltation characteristics of the entrance sandbars, recent evolution tendency of the planar axis of the passage and the decreasing capacity of the fluvial channel are also described in this paper, which can provide basic information necessary for the realignment of the sea-traffic channel through the area.
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