自从长江口南槽铜沙航槽被8310号台风一举淤平以来,台风对人工挖槽淤积的影响,引起了航道管理部门的严重注意。北槽航槽是1984年3月新开挖的一条入海航道,它经历了两个年度的台风考验。本文仅就去、今两年台风对北槽航槽回淤影响作初步分析。 一、影响长江口地区的台风概况 西太平洋上平均每年发生台风28.3个。影响长江口的台风一般每年有3个左右,并 Since the typhoon at No. 8310 typhoon shelter at the south slot of the Yangtze River estuary at the Tongsha navigation slot has been one-off, the impact of typhoon on the artificial silt deposition has caused serious concern of the channel management department. The North Trough Navigation Channel, a newly excavated waterway in March 1984, has undergone two annual typhoon tests. This article only to go, the typhoon in the past two years to make a preliminary analysis of the impact of silt silting in the trough. First, the impact of the Yangtze River Estuary typhoon Overview The average annual typhoon in the western Pacific 28.3. Typhoons affecting the Yangtze Estuary are generally about 3 per year, and