津波浸水域データと数値標高モデルのGIS解析に基づく2011年東北地方太平洋沖地震の津波遡上高の空間分布

• 杉戸 信彦

  法政大学人間環境学部

• 松多 信尚

  名古屋大学減災連携研究センター

• 石黒 聡士

  国立環境研究所環境計測研究センター

• 内田 主税

  玉野総合コンサルタント株式会社

• 千田 良道

  中日本航空株式会社

• 鈴木 康弘

  名古屋大学減災連携研究センター

書誌事項

タイトル別名

• Spatial Variations of Tsunami Run-up Heights for the 2011 off the Pacific Coast of Tohoku Earthquake, Based on GIS Analysis of Tsunami Inundation Area Data and Digital Elevation Model
• ツナミ シンスイイキ データ ト スウチ ヒョウコウ モデル ノ GIS カイセキ ニ モトズク 2011ネン トウホク チホウ タイヘイヨウオキ ジシン ノ ツナミ ソジョウ ダカ ノ クウカン ブンプ

抄録

 Spatial variations of hazards such as strong ground motion and tsunami inundation are a key element for obtaining a geographical understanding of natural disasters. However, detailed distribution of tsunami run-up heights for the devastating tsunami associated with the 2011 off the Pacific coast of Tohoku earthquake is not available. A GIS analysis of tsunami inundation areas is conducted from data collected by the Tsunami Damage Mapping Team and from post-tsunami 2-m mesh and 5-m mesh digital elevation models (DEM) after the Geospatial Information Authority of Japan, in order to produce the Tsunami Run-up Height Map, which includes polygon data of inundation areas with elevation data at each point. Horizontal shifts of orthophotos taken just after the tsunami are corrected using a Helmert transformation. The map covers Iwate Prefecture, Miyagi Prefecture, and the northern part of Fukushima Prefecture continuously at high resolutions, and reveals spatial variations of tsunami run-up heights in detail. These variations are caused by: 1) landforms at each site, such as coastal plains, valleys, bays, and beach ridges, as well as their directions and magnitudes, and 2) source locations, interference, and wavelengths of the tsunami, as implied by a previous study. The map supports examination carried out on source fault models and simulation results of tsunamis from a geographical viewpoint. At the same time, the methodology to produce the map would be useful for systematically revealing run-up height distribution, in addition to inundation areas immediately after future tsunamis.

収録刊行物

• 地学雑誌

  地学雑誌 124 (2), 157-176, 2015

  公益社団法人 東京地学協会

キーワード

• 津波遡上高分布図
• 津波被災マップ
• 数値標高モデル（DEM）
• ヘルマート変換
• 2011年東北地方太平洋沖地震

詳細情報

• CRID: 1390282679214906112
• NII論文ID: 130005069561
• NII書誌ID: AN00322536
• DOI: 10.5026/jgeography.124.157
• ISSN: 18840884
• ISSN: 0022135X
• NDL書誌ID: 026371022
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I026371022
• Web Site: https://www.jstage.jst.go.jp/article/jgeography/124/2/124_124.157/_pdf
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• 抄録ライセンスフラグ: 使用不可