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Observation of the landslide development process by analysis of LiDAR-derived DEMs
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- KASAI Mio
- Public Works Research Institute
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- IKEDA Manabu
- Public Works Research Institute
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- FUJISAWA Kazunori
- Public Works Research Institute
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- MATSUDA Masayuki
- Asia Air Survey Co., LTD
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- SUZUKI Yusuke
- Asia Air Survey Co., LTD
Bibliographic Information
- Other Title
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- 航空レーザー測量データから作成されたDEMの解析に基づく地すべり地形発達プロセスの推定
- コウクウ レーザー ソクリョウ データ カラ サクセイサレタ DEM ノ カイセキ ニ モトズク ジスベリ チケイ ハッタツ プロセス ノ スイテイ
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Description
This study investigates the potential of geomorphic filters derived from LiDAR 2-m grid DEMs to identify landslide features. The filters, slope and the eigenvalue ratio, were derived from the DEM for 6 landslides as well as two 0. 1 km2 areas where no landslides were identified. Field survey was also conducted to investigate their surface conditions. Results highlighted the importance of filters in characterising landslide features as well as the various stages in their development and activity. The relationships expressed between filter values and landslides are a reflection of the hardness of underlying rocks.
Journal
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- Journal of the Japan Landslide Society
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Journal of the Japan Landslide Society 45 (2), 118-124, 2008
The Japan Landslide Society
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Details 詳細情報について
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- CRID
- 1390282680177589888
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- NII Article ID
- 10024337817
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- NII Book ID
- AA11837172
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- ISSN
- 18820034
- 13483986
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- NDL BIB ID
- 9609288
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed