Trunk Diameter Distributions of Coastal Forests and Assessments of Falling-down Ratio by Tsunamis

• ASANO Toshiyuki

  鹿児島大学工学部海洋土木工学科

• MITANI Toshihiro

  関西電力 (株) 電力技術研究所構築研究室

• MISHIMA Toshiki

  鹿児島大学工学部海洋土木工学科

Bibliographic Information

Other Title

• 海岸林の幹直径の分布特性と津波による樹木倒伏率

Abstract

Recently, coastal forests have received much attention because they provide both environmental and tsunami mitigation benefits. Individual trees in a coastal forest have distributed trunk diameters, so their endurance strength against tsunami fluid force will vary. In order to assess the tsunami attenuation performance of the forest, the trunk diameter distribution is essential information. This study examines the applicability of the Weibull distribution to describe the trunk diameter distributions, and discusses the time varying characteristics of the Weibull parameters as the forest grows up. Furthermore, for a model forest possessing the distributed trunk diameters, a mathematical model to quantify the tsunami attenuation rates including tree falling down effects is proposed.

Journal

• PROCEEDINGS OF COASTAL ENGINEERING, JSCE

  PROCEEDINGS OF COASTAL ENGINEERING, JSCE 54 1376-1380, 2007

  Japan Society of Civil Engineers

Keywords

• General Chemical Engineering

Details

• CRID: 1390282679528474752
• NII Article ID: 130003808004
• DOI: 10.2208/proce1989.54.1376
• ISSN: 18848222
• ISSN: 09167897
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed