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本文探讨了浙江沿海的杭州湾、象山港、乐清湾的水化学特征,结果表明,各化学要素的季节变化明显。同时还发现,冬季杭州湾硅酸盐的分布和象山港溶解氧、营养盐的含量存在异常,各要素间相关关系较为复杂。营养盐含量是杭州湾大于象山港,象山港大于乐清湾。各港湾中N/P的比值变化较大,这充分反映了港湾水化学的特征,最后本文还对各港湾水化学要素所出现异常的原因进行了探讨。
In this paper, the hydrochemical characteristics of Hangzhou Bay, Xiangshan Harbor and Yueqing Bay in Zhejiang Province are discussed. The results show that the seasonal variation of each chemical element is obvious. At the same time, it was also found that the distribution of silicate in Hangzhou Bay in winter and the content of dissolved oxygen and nutrient in Xiangshan Harbor are abnormal, and the correlation between the various elements is rather complicated. Nutrient content is greater than the Xiangshan Bay Hangzhou Bay, Xiangshan Port greater than Yueqing Bay. The ratios of N / P in all harbors vary greatly, which fully reflects the characteristics of harbors’ water chemistry. Finally, the reasons for the anomalies in the chemical composition of harbors are also discussed.