ESTIMATION OF EXTERNAL FORCE CHANGE DUE TO CLIMATE CHANGE ON ISHIKAWA COAST

DOI Web Site 4 References
  • NAKAZONO Daisuke
    株式会社建設技術研究所 東京本社海岸・港湾室
  • KUROBE Shota
    株式会社建設技研インターナショナル 水資源部
  • JIMBO Masanobu
    株式会社建設技術研究所 東京本社海岸・港湾室
  • IWATA Atsuyuki
    株式会社建設技術研究所東京本社海岸・港湾室
  • OKAJIMA Yasuko
    国土交通省北陸地方整備局神通川水系砂防事務所 調査課

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Other Title
  • 石川海岸における気候変動による外力変化量の推定

Abstract

<p> In recent years, it has become crucial to take into account changes in external forces due to climate change when formulating basic policy for coastal conservation.High waves and storm surges mainly induced by low atmospheric pressure occur on the west coast of Japan, specifically the Ishikawa coast, which is the focus of this study.While numerous studies evaluate the impacts of climate change on typhoons on the Pacific side of Japan, a standardized method for evaluating the impacts of climate change on low atmospheric pressure remains elusive.</p><p> In this study, we analyzed observed tide and wave data to validate the long-term alterations in external forces.Additionally, this study proposes a method for predicting the external forces associated with low pressure.</p><p> The database for policy decision-making for future climate change (d4PDF) global model GCM was used for future projections.Our method estimates future external forces through multiple regression analysis and does not necessitate high-performance computational resources like supercomputers. As a result, this approach can be readily employed in various locations.</p>

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