Preprints
https://doi.org/10.5194/nhess-2022-270
https://doi.org/10.5194/nhess-2022-270
12 Jan 2023
 | 12 Jan 2023
Status: a revised version of this preprint is currently under review for the journal NHESS.

Characteristics of debris flows recorded in the Shenmu area of central Taiwan between 2004 and 2021

Yi-Min Huang

Abstract. The data of debris-flow events between 2004 and 2001 in the Shebmu area Taiwan were presented and discussed in this paper. Total of 20 debris flows were observed in this time interval. The monitored data include rainfall, flow velocity, soil moisture, and ground surface vibrations. Debris flows in the Shenmu area usually occurred in the Aiyuzi Stream during the rainy season, May to September, and about once per year after 2009. The measured rainfalls from separate monitoring stations were compared and the rainfall thresholds of the Shenmu area were analysed using the rainfall intensity (I), the accumulated rainfall (R), and durations (D). The dataset and the rainfall thresholds of the Shenmu area permits the comparison with other monitored catchments.

Yi-Min Huang

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2022-270', Anonymous Referee #1, 22 Jan 2023
    • AC1: 'Reply on RC1', Yi-Min Huang, 31 Jan 2023
      • AC4: 'Reply on AC1', Yi-Min Huang, 26 Feb 2023
  • CC1: 'Comment on nhess-2022-270', Chihping Kuo, 12 Feb 2023
    • AC2: 'Reply on CC1', Yi-Min Huang, 15 Feb 2023
  • RC2: 'Comment on nhess-2022-270', Anonymous Referee #2, 24 Feb 2023
    • AC3: 'Reply on RC2', Yi-Min Huang, 24 Feb 2023

Yi-Min Huang

Yi-Min Huang

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Short summary
Debris flows are common hazards in Taiwan and the debris-flow early warning is important for disaster responses. The study results had shown that the rainfall thresholds of debris flows were analyzed and determined in terms of rainfall intensity, accumulated rainfall, and rainfall duration, based on the case histories in Taiwan. These thresholds are useful for disaster management and the cases in Taiwan are advantageous to the global debris-flow database.
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