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).
The original article (Iwahashi et al. 2021) has been corrected.
Types of the source data of the DEM (FGD) used in this study
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