论文部分内容阅读
一、前言杭州湾是一个喇叭形的海湾(图1),湾口(芦潮港——镇海)宽约100公里,湾顶干浦断面宽约25公里,从湾口至湾顶全长约95公里,整个海湾面积约5000平方公里.杭州湾是钱塘江河口的口外海滨.钱塘江年径流量仅为290.5亿公方,年输沙量亦只有668万吨,因而在通常情况下,钱塘江来水来沙对杭州湾的影响甚小,而强劲的潮流是杭州湾的主要
I. INTRODUCTION Hangzhou Bay is a flared bay (Figure 1). The bayou (Luchaogang - Zhenhai) is 100 km wide and the bay top is about 25 km wide. The total length from the bayou to the bay top is about 95 km , The entire bay area of about 5000 square kilometers.Hangzhou BayWatch Qiantang estuaryOutside the beach.The annual runoff of Qiantang River is only 29.05 billion square meters, annual sediment transport volume is only 6680000 tons, so in the normal circumstances, Qiantang River come The impact of water and sand on Hangzhou Bay is very small, while the strong trend is the main one of Hangzhou Bay