3D bathymetric image of the eastern margin of the Sea of Japan based on 3−second grid DEM
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Author
Izumi, NoriakiNishizawa, Azusa
Horiuchi, Daishi
Kido, Yukari
Nakata, Takashi
Goto, Hideaki
Watanabe, Mitsuhisa
Suzuki, Yasuhito
Date
2014
Metadata
Show full item recordAbstract
We have made detailed anaglyph images based on 3 second (about 90m) DEM processed from the original data obtained by Japan Coast Guard and JAMSTEC, in order to analyze submarine topography for a more precise interpretation of submarine active faults than that mapped by previous workers the eastern margin of the Sea of Japan. Most of the depicted active tectonic features are closely related to the location of symmetric anticlines formed by inversion tectonics along the former normal faults originally created during the period of formation of the Sea of Japan about 30-15 million years ago (Okamura, 2010). Interpretation of detailed anaglyph image by tectonic geomorphology method enabled us not only to depict major submarine active faults that coincide well with those revealed by the analysis of seismic reflection records, but also minor fresh tectonic landform with low−relief.Journal
Report of Hydrographic and Oceanographic ResearchesIssue/Article Nr
51Page Range
pp. 127-144Resource/Dataset Location
https://www1.kaiho.mlit.go.jp/GIJUTSUKOKUSAI/KENKYU/report/article.html#rhr51