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Title: GISによる再配列した数値標高データを用いた河道次数解析に関する検討
Other Titles: Applications of stream order analysis using resampled digital elevation model data on GIS
Authors: 戎, 信宏1 Browse this author
古川, 智広2 Browse this author
丸谷, 知己3 Browse this author →KAKEN DB
Authors(alt): Ebisu, Nobuhiro1
Furukawa, Tomohiro2
Marutani, Tomomi3
Keywords: 数値標高モデル(DEM)
Issue Date: Sep-2002
Publisher: 地理情報システム学会
Journal Title: GIS-理論と応用
Volume: 10
Issue: 2
Start Page: 1
End Page: 8
Publisher DOI: 10.5638/thagis.10.2_1
Abstract: The stream network analysis is used to quantify the geomorphological properties of the mountainous basin and examine the relationship between sediment delivery and geomorphological parameters in catchments. It was examined to analyze the stream network by using 50m-DEM data on GIS at a study area of Yudagiri River. The results are as follows. The channel network made from 12m-DEM which was resampled by 50m-DEM on GIS was the closest to that by manual operation. The relative error of stream order analysis indicated the value of 25.5% at the maximum. Moreover, the maximum relative error of DEM(C-DEM) made from the contour line in 1/25,000 maps is 11.5% smaller than that of the resampled 50m-DEM.
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 丸谷 知己

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