| 胶莱运河的修建对莱州湾水交换及海洋环境影响初探 |
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| 引用本文： | 苏博,朱金龙,王佳莹,赵玉庭,王立明,马元庆.胶莱运河的修建对莱州湾水交换及海洋环境影响初探[J].海岸工程,2021,40(1):48-58. |
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| 作者姓名： | 苏博 朱金龙 王佳莹 赵玉庭 王立明 马元庆 |
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| 作者单位： | 山东省海洋资源与环境研究院;山东省海洋生态修复重点实验室 |
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| 基金项目： | 国家重点研发计划——渤海入海污染源解析与水质目标管控关键技术研究与示范(2018YFC1407601);山东省重点研发计划——山东近海环境高效治理关键技术方法研究与示范(2019JZZY020705)。 |
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| 摘 要： | 为研究莱州湾水交换对胶莱运河修建工程的响应,以及为海洋污染治理问题提供参考,以莱州湾为重点模拟区域建立了二维平面潮流和对流扩散模型,利用渤海、黄海、莱州湾地形及海洋环境资料,结合2018年莱州湾海水水质监测结果,初步分析了胶莱运河的修建对莱州湾海洋环境现状的影响。模拟结果表明,胶莱运河建成后年径流总量约为7.2×109 m3,净流方向由胶州湾流向莱州湾;工程后整个莱州湾水交换能力略有增强,东部强于西部,半交换周期缩短14 d;黄海海水经由胶州湾进入胶莱运河输送至莱州湾,冲淡莱州湾内非优良水体,从一定程度上缓解了莱州湾东部河口入海处小范围海域海水水质现状。
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| 关 键 词： | 胶莱运河 莱州湾 水动力交换 海洋环境 |
A Simulation Study on Influence of the Construction of Jiaolai Canal on the Water Exchange and Marine Environment in the Laizhou Bay |
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| SU Bo,ZHU Jin-long,WANG Jia-ying,ZHAO Yu-ting,WANG Li-ming,MA Yuan-qing.A Simulation Study on Influence of the Construction of Jiaolai Canal on the Water Exchange and Marine Environment in the Laizhou Bay[J].Coastal Engineering,2021,40(1):48-58. |
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| Authors: | SU Bo ZHU Jin-long WANG Jia-ying ZHAO Yu-ting WANG Li-ming MA Yuan-qing |
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| Institution: | (Shandong Marine Resource and Environment Research Institute, Yantai 264006, China;Shandong Provincial Key Laboratory of Restoration for Marine, Yantai 264006, China) |
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| Abstract: | In order to study the response of water exchange in the Laizhou Bay to the construction of Jiaolai Canal and to provide references for the marine pollution control,a two-dimensional plane tidal current and convection diffusion model is established by taking the Laizhou Bay as the key simulation area.Then,the impact of the construction of the Jiaolai Canal on the status of marine environment in the Laizhou Bay is preliminarily analyzed based on the topographic and marine environmental data obtained from the Bohai Sea,the Yellow Sea and the Laizhou Bay and combined with the results from the water quality monitoring carried out in the Laizhou Bay in 2018.The simulated results show that after the Jiaolai Canal is constructed,its total annual runoff is about 7.2×109 m3 and the net flow direction is from the Jiaozhou Bay to the Laizhou Bay.After the project implemented,the water exchange capacity in the whole Laizhou Bay is slightly enhanced,being stronger in the east than in the west,and the half exchange cycle is shortened by 14 days.The sea water of the Yellow Sea enters into the Jiaolai Canal via the Jiaozhou Bay and then is delivered into the Laizhou Bay,which will dilute the non-excellent water in the Laizhou Bay,and then alleviate,to some extent,the status of seawater quality in the small area at the eastern estuary of the Laizhou Bay. |
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| Keywords: | Jiaolai Canal Laizhou Bay water exchange marine environment |
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