Correction to: Prog Earth Planet Sci 8, 3 (2021)
https://doi.org/10.1186/s40645-020-00398-0
Following publication of the original article (Iwahashi et al. 2021), the authors identified an error in Fig. 6. The correct Fig. 6 is given below. The authors would like to correct the cited author name under the heading Base classification using k-means clustering and thresholding.
The sentence currently reads:
The efficacy of using polygons, i.e., terrain or slope units, as a criterion for classification has been noted by a number of researchers (Alviolicor et al. 2020).
The sentence should read:
The efficacy of using polygons, i.e., terrain or slope units, as a criterion for classification has been noted by a number of researchers (Alvioli et al. 2020).
Reference
Alvioli M, Guzzetti F, Marchesini I (2020) Parameter-free delineation of slope units and terrain subdivision of Italy. Geomorphology 358:107124. https://doi.org/10.1016/j.geomorph.2020.107124
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Iwahashi, J., Yamazaki, D., Nakano, T. et al. Correction to: Classification of topography for ground vulnerability assessment of alluvial plains and mountains of Japan using 30 m DEM. Prog Earth Planet Sci 8, 19 (2021). https://doi.org/10.1186/s40645-021-00412-z
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DOI: https://doi.org/10.1186/s40645-021-00412-z