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Study on spatial-temporal distribution characteristics of tidal skewness in the Wenzhou Bay
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Xi Feng1, Yuchen Zhou1, Fengming Sun2, Huan Xu3, Shiwei Wen1, Zhuang Sun2, Shijing Liu2, Weibing Feng1
Haiyang Xuebao | 2022, 44(7) : 25 - 36
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Haiyang Xuebao | 2022, 44(7): 25-36
• Article •
Study on spatial-temporal distribution characteristics of tidal skewness in the Wenzhou Bay
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Xi Feng1, Yuchen Zhou1, Fengming Sun2, Huan Xu3, Shiwei Wen1, Zhuang Sun2, Shijing Liu2, Weibing Feng1
Affiliations
  • 1. College of Harbour, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China
  • 2. China Harbour Engineering Company Ltd., Beijing 100027, China
  • 3. Jiangsu Province Water Engineering Sci-tech Consulting Company Ltd., Nanjing 210003, China
Published: 2022-07-01 doi: 10.12284/hyxb2022096
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The changes of shoreline caused by human activities affect the kinematic characteristics of tidal wave in the propagation process. Based on the hourly tidal level data from five tidal stations in the Wenzhou Bay from 1984 to 2019, the temporal and spatial variation of tidal wave patterns in this area and deconstructed the contribution of major tidal clusters to the tidal asymmetry is analyzed in this study . The results show that the tidal patterns in Oujiang Estuary and Yueqing Bay, two semi-enclosed embayments of the Wenzhou Bay, are obviously different. The tidal symmetry of Oujiang Estuary is flood-dominant tide and the tidal asymmetry increases continuously in the upstream direction, whilst tide is ebb-dominant in Yueqing Bay. Moreover, the tidal asymmetry shows distinct seasonal variation. The skewness ($ \gamma $) reaches maximum in June to July and December to January in the Wenzhou Bay. The tidal asymmetry in this area is mainly controlled by the component groups such as M2/M4, M2/S2/MS4 and M2/N2/MN4. The skewness caused by nonlinear interactions from M2/S2/MS4, M2/N2/MN4, O1/K1/M2 shows obvious seasonal variation. Since 2000, the tidal asymmetry of Wenzhou Bay has been decreasing, which is related to the frequent reclamation surrounding the Oujiang Estuary.

tidal skewness  /  Wenzhou Bay  /  tidal clusters  /  shoreline changes  /  seasonal variability  /  yearly variability  /  flood-dry seasons
Xi Feng, Yuchen Zhou, Fengming Sun, Huan Xu, Shiwei Wen, Zhuang Sun, Shijing Liu, Weibing Feng. Study on spatial-temporal distribution characteristics of tidal skewness in the Wenzhou Bay[J]. Haiyang Xuebao, 2022 , 44 (7) : 25 -36 . DOI: 10.12284/hyxb2022096
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Year 2022 volume 44 Issue 7
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Article Info
doi: 10.12284/hyxb2022096
  • Receive Date：2021-08-12
  • Online Date：2026-02-01
  • Published：2022-07-01
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History
  • Received：2021-08-12
  • Revised：2021-11-28
Funding
Affiliations
    1. College of Harbour, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China
    2. China Harbour Engineering Company Ltd., Beijing 100027, China
    3. Jiangsu Province Water Engineering Sci-tech Consulting Company Ltd., Nanjing 210003, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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