神奈川県三浦半島江奈湾の干潟における高潮堆積物調査

DOI

書誌事項

タイトル別名
  • Examination of storm surge deposits in the muddy intertidal zone of Ena Bay, Miura Peninsula, Kanagawa Prefecture, central Japan

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説明

Typhoon 21 (Lan) which occurred on 23 October 2017 and Typhoon 19 (Hagibis) on 12 October 2019 caused storm surges with sea-levels 0.5 m above the mean high tide mark in Ena Bay, Miura Peninsula, Kanagawa Prefecture, Japan. We surveyed the sediments before and after the storm surges at three sites in the lower intertidal zone and examined washed-up infaunal bivalves. These results lead to the following conclusions:<br> (1) Both typhoons caused sandy storm surge deposits which were up to 14 cm thick and characterized by graded structure and well-developed laminations;<br> (2) The primary sedimentary structure of the storm surge deposits disappeared by bioturbation within two years;<br> (3) The composition of the washed-up infaunal bivalve assemblage is quite similar for both typhoons, except for released Meretrix lamarcki, which is predominantly Mactra veneriformis, associated with Cyclina sinensis, and indicates >7 cm of erosion.

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詳細情報 詳細情報について

  • CRID
    1390290095032379392
  • NII論文ID
    130008118533
  • NII書誌ID
    AN00103190
  • DOI
    10.51053/shizuoka.48.0_27
  • ISSN
    24367184
    03886298
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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