Proceedings of the General Meeting of the Association of Japanese Geographers
Annual Meeting of the Association of Japanese Geographers, Spring 2025
Session ID : 947
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Host: The Association of Japanese Geographers

Name : Annual Meeting of the Association of Japanese Geographers, Spring 2025

Date : March 19, 2025 - March 21, 2025

An attenpt to quatify topographic features of active landslides using the Hokkaido active landslide data map
*Seiya Usami
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Keywords: HoLsDMv1.2, Timeseries SAR interferometry, Digital terrain model, GIS analysis
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Abstract

In this study, we analyzed the topographic features within landslide terrains, taking into account the dynamics of landslide topography, based on the "Hokkaido Active Landslide Data Map" (Usami, 2024, E-journal GEO). The analysis revealed that the standard deviations of elevation and slope angles are higher in more active landslides. This finding suggests the potential for evaluating landslide activity using geomorphological metrics.

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