【摘要】 防城湾比较隐蔽、浪小。航通流速大且落潮流速大于涨潮流速。拦门沙形成于全新世中期,目前处于相对稳定时期,但季节变化明显。泥沙补给少,航道浚深—7.5m后淤积量小,呈现出冬季冲刷为主、夏季淤积为主的特点。虽经台风袭击,但航道并未造成聚淤现象。更多还原

【Abstract】 The silt accumulated at Fangcheng harbour bar channel has been less than 40000m3 since the channel was dredged for-7.5 m in December 1983. The channel is now being scoured in winter and silted up in summer. Sudden silting up has not been witnessed even after the attack of typhoon.更多还原