Distribution characteristics of wave energy in the Zhe-Min coastal area

Qin Ye Zhongliang Yang Min Bao Weiyong Shi Hongyuan Shi Zaijin You Wenyan Zhang

Qin Ye, Zhongliang Yang, Min Bao, Weiyong Shi, Hongyuan Shi, Zaijin You, Wenyan Zhang. Distribution characteristics of wave energy in the Zhe-Min coastal area[J]. Acta Oceanologica Sinica. doi: 10.1007/s13131-021-1859-2
Citation: Qin Ye, Zhongliang Yang, Min Bao, Weiyong Shi, Hongyuan Shi, Zaijin You, Wenyan Zhang. Distribution characteristics of wave energy in the Zhe-Min coastal area[J]. Acta Oceanologica Sinica. doi: 10.1007/s13131-021-1859-2

doi: 10.1007/s13131-021-1859-2

Distribution characteristics of wave energy in the Zhe-Min coastal area

Funds: The National Key R&D Program of China under contract No. 2018YFB1501901; the Zhejiang Provincial Natural Science Foundation of China under contract No. LY21D060003; the Project of State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, under contract Nos SOEDZZ2103 and SOEDZZ2003.
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  • Figure  1.  Schematic of three-nested grids (a) and wave observation stations in each key area with in OE-W2 (b). Blue polygons named as OE-W1, OE-W2, OE-W3 and OE-W4 are four areas divided by the national project, here only Region OE-W2 is studied; five red rectangles named D5−D9 denote the boundaries of small child grids in the wave model; W1−W13 indicate the gauge stations.

    Figure  2.  Comparison between measured (dots) and modeled (curve) significant wave height (HS) at the gauge stations W1−W13.

    Figure  3.  Comparison between measured (dots) and modeled (curve) mean wave period (${\overline {T}}$) at the gauge stations W1−W13.

    Figure  4.  Spatial distributions of annual average (a), spring (b), summer (c), autumn (d), and winter (e) significant wave height (HS) .

    Figure  5.  Spatial distributions of annual average period ${\overline{T}}_{\rm{a}}$(a), and average periods in spring (b), summer (c), autumn (d), and winter (e).

    Figure  6.  Annual average wave power density.

    Figure  7.  Effective duration (a), coefficient of variation (b), usable level frequency (c), and rich level frequency (d) of wave energy.

    Table  1.   Statistical results of annual average wave power density in each area

    Key areaSpatial mean value$/({\rm{kW}} \cdot {{\rm{m}}^{ - 1} })$Maximum$/({\rm{kW}} \cdot {{\rm{m}}^{ - 1} })$$ {P_{\text{W}}} $≥2 ${\rm{kW}}/{\rm{m}}$ ratio/%$ {P_{\text{W}}} $≥4 ${\rm{kW} }/{\rm{m} }$ ratio/%$ {P_{\text{W}}} $≥6 ${\rm{kW} }/{\rm{m} }$ ratio/%
    D55.38.987.071.047.0
    D65.710.283.770.354.0
    D76.610.493.882.865.2
    D86.29.589.478.861.5
    D97.010.187.079.770.3
    下载: 导出CSV

    Table  2.   Statistical results of annual average effective duration in each area

    Key areaSpatial mean
    value/h
    Maximum/h≥1 500 h
    ratio/%
    ≥3 000 h
    ratio/%
    ≥5 000 h
    ratio/%
    D53 518.14 784.790.076.80.0
    D63 705.25 009.387.175.90.2
    D74 286.25 135.795.690.113.1
    D84 324.85 277.795.287.034.9
    D94 450.55 350.389.085.865.2
    下载: 导出CSV

    Table  3.   Statistics of monthly averaged reserve of wave energy in each key area (104 kW)

    Key areaJan.Feb.Mar.Apr.MayJun.Jul.Aug.Sept.Oct.Nov.Dec.
    D56861524341761382121451036877
    D6585444373462118139109855963
    D76256453532519210293856567
    D88572563832406275891079190
    D91531261026450606886115185169163
    下载: 导出CSV

    Table  4.   Statistics of annual average reserve of wave energy in each key area

    Key areaAnnual average
    reserve of wave
    energy/(104 kW)
    Length of
    wave crest
    line/km
    Average wave power
    density along wave
    crest line/(kW∙m–1)
    D591174.25.2
    D672131.05.5
    D766124.85.3
    D870117.16.0
    D9112157.77.1
    OE-W2411704.85.8
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-03-03
  • 录用日期:  2021-05-10
  • 网络出版日期:  2022-03-29

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