静岡県・清水海岸中央部における海岸侵食—空中写真からみた経年変化と台風前後の海岸変形—

DOI Web Site
  • 馬塲 久紀
    東海大学海洋学部海洋地球科学科
  • 松本 和也
    東海大学海洋学部海洋地球科学科（非常勤講師）
  • 中尾 凪佐
    東海大学大学院総合理工学研究科総合理工学専攻
  • 清水 賀之
    東海大学海洋学部航海工学科海洋機械工学専攻

書誌事項

タイトル別名
  • Coastal Erosion at the Central Part of Shimizu Coastal Area: An Interpretation of the Secular Changes, and the Deformation Before and After the Typhoon by Using UAV Photographs
  • 静岡県・清水海岸中央部における海岸侵食 : 空中写真からみた経年変化と台風前後の海岸変形
  • シズオカケン ・ シミズ カイガン チュウオウブ ニ オケル カイガン シンショク : クウチュウ シャシン カラ ミタ ケイ ネンヘンカ ト タイフウ ゼンゴ ノ カイガン ヘンケイ

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説明

<p>This study aiming to perform a discussion about the transformation a secular variations, and the shore erosion before and after the typhoon passage at the Shimizu Coastal Area by using UAV (drone) photographs acquired the period from 2017 through 2019. We performed the interpretation using orthogonal images during the distance of 1,015 m between the reference points of No. 43 through No. 52 determined by Shizuoka Prefecture Civil Engineering Office. As the results, as for the state of the shore erosion, it was revealed that any secular variation of beach line was not found. It is thought that this status are given by the effects of every year maintain to put the sand bypass and set the headlands by the government of Shizuoka. As for the shore erosion was found before and after the passage of the typhoon. However, there were cases where coastal erosion was not occurred depending on the typhoon.</p><p>We intend to continue this investigation to the future to estimate the sediment and erosion sand capacities to evaluate and consider the current artificial measure.</p>

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