Articles | Volume 18, issue 3
https://doi.org/10.5194/nhess-18-765-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-18-765-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 Mar 2018
Research article |
| 08 Mar 2018
| 08 Mar 2018
Radar-based quantitative precipitation estimation for the identification of debris flow occurrence over earthquake-affected regions in Sichuan, China
Zhao Shi
CORRESPONDING AUTHOR
Key Laboratory of Mountain Hazards and Earth Surface Process,
Chengdu, 610041, China
Institute of Mountain Hazards and
Environment, Chinese Academy of Sciences, Chengdu, 610041,
China
University of Chinese Academy of Sciences, Beijing, 100049,
China
Key Laboratory of Atmospheric Sounding,
Chengdu University of Information and Technology, Chengdu
610225, China
Fangqiang Wei
Key Laboratory of Mountain Hazards and Earth Surface Process,
Chengdu, 610041, China
Institute of Mountain Hazards and
Environment, Chinese Academy of Sciences, Chengdu, 610041,
China
University of Chinese Academy of Sciences, Beijing, 100049,
China
Venkatachalam Chandrasekar
Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, 80523, USA
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Cited
21 citations as recorded by crossref.
- Spatial uncertainty of rainfall and its impact on hydrological hazard forecasting in a small semiarid mountainous watershed G. Xiaojun et al. https://doi.org/10.1016/j.jhydrol.2021.126049
- A simplified model for the infiltration of rainwater in natural slope consisting of fine sands T. OZAKI et al. https://doi.org/10.3313/jls.58.57
- Towards Debris Information Analysis and Abstraction for Wi-Fi Radar Edge in Collapsed Structures M. Khan et al. https://doi.org/10.1109/ACCESS.2019.2954281
- Simulation of Slope Failure Distributions Due to Heavy Rain on an Island Composed of Highly Weathered Granodiorite Based on the Simple Seepage Analysis T. Ozaki et al. https://doi.org/10.20965/jdr.2021.p0626
- A simple prediction model for shallow groundwater level rise in natural slopes based on finite element solutions A. WAKAI et al. https://doi.org/10.3313/jls.56.227
- Calibration of the reflectivity-rainfall rate (Z-R) relationship using long-term radar reflectivity factor over the entire South Korea region in a Bayesian perspective T. Kim et al. https://doi.org/10.1016/j.jhydrol.2020.125790
- Citizen rain gauges improve hourly radar rainfall bias correction using a two-step Kalman filter P. Mapiam et al. https://doi.org/10.5194/hess-26-775-2022
- Experimental and numerical study on the performance of novel RC frame structure encased with shaped steel under debris flow impact P. Li et al. https://doi.org/10.1016/j.engstruct.2020.110472
- Material Activity in Debris Flow Watersheds Pre- and Post-Strong Earthquake: A Case Study from the Wenchuan Earthquake Epicenter Y. Yang et al. https://doi.org/10.3390/w16162284
- Susceptibility Analysis of Geohazards in the Longmen Mountain Region after the Wenchuan Earthquake S. Li et al. https://doi.org/10.3390/ijerph19063229
- Weather Radar in Complex Orography U. Germann et al. https://doi.org/10.3390/rs14030503
- High-resolution monitoring of inland water bodies across China in long time series and water resource changes X. Chuai et al. https://doi.org/10.1007/s10668-020-00738-6
- Performance of a Radar Mosaic Quantitative Precipitation Estimation Algorithm Based on a New Data Quality Index for the Chinese Polarimetric Radars Y. Zhang et al. https://doi.org/10.3390/rs12213557
- Enhancing the accuracy of weather radar heavy rainfall estimates in mountainous regions using combined radar quality indices M. Methaprayun et al. https://doi.org/10.1016/j.jhydrol.2025.133907
- Evaluation of rainfall thresholds triggering debris flows in western China with gauged- and satellite-based precipitation measurement Z. Liu https://doi.org/10.1016/j.jhydrol.2023.129500
- A satellite soil moisture– and radar rainfall–based methodology for slope-scale seepage–stability modelling of rainfall-induced landslides A. Jotisankasa et al. https://doi.org/10.1007/s10346-026-02732-x
- Rainfall intensity in geomorphology: Challenges and opportunities D. Dunkerley https://doi.org/10.1177/0309133320967893
- Preface: Landslide early warning systems: monitoring systems, rainfall thresholds, warning models, performance evaluation and risk perception S. Segoni et al. https://doi.org/10.5194/nhess-18-3179-2018
- Stability Analysis of Slopes with Terraced Topography in Sapa, Northern Vietnam: Semi-Infinite Slope Assumption with Specific Lengths for Slope Failure A. Wakai et al. https://doi.org/10.20965/jdr.2021.p0485
- Rainfall early warning threshold and its spatial distribution of rainfall-induced landslides in China H. Dou et al. https://doi.org/10.1016/j.rockmb.2023.100056
- Critical environmental factors affecting mountain geohazards in a warming climate in Southwest China X. Xu et al. https://doi.org/10.1016/j.accre.2024.07.006
21 citations as recorded by crossref.
- Spatial uncertainty of rainfall and its impact on hydrological hazard forecasting in a small semiarid mountainous watershed G. Xiaojun et al. https://doi.org/10.1016/j.jhydrol.2021.126049
- A simplified model for the infiltration of rainwater in natural slope consisting of fine sands T. OZAKI et al. https://doi.org/10.3313/jls.58.57
- Towards Debris Information Analysis and Abstraction for Wi-Fi Radar Edge in Collapsed Structures M. Khan et al. https://doi.org/10.1109/ACCESS.2019.2954281
- Simulation of Slope Failure Distributions Due to Heavy Rain on an Island Composed of Highly Weathered Granodiorite Based on the Simple Seepage Analysis T. Ozaki et al. https://doi.org/10.20965/jdr.2021.p0626
- A simple prediction model for shallow groundwater level rise in natural slopes based on finite element solutions A. WAKAI et al. https://doi.org/10.3313/jls.56.227
- Calibration of the reflectivity-rainfall rate (Z-R) relationship using long-term radar reflectivity factor over the entire South Korea region in a Bayesian perspective T. Kim et al. https://doi.org/10.1016/j.jhydrol.2020.125790
- Citizen rain gauges improve hourly radar rainfall bias correction using a two-step Kalman filter P. Mapiam et al. https://doi.org/10.5194/hess-26-775-2022
- Experimental and numerical study on the performance of novel RC frame structure encased with shaped steel under debris flow impact P. Li et al. https://doi.org/10.1016/j.engstruct.2020.110472
- Material Activity in Debris Flow Watersheds Pre- and Post-Strong Earthquake: A Case Study from the Wenchuan Earthquake Epicenter Y. Yang et al. https://doi.org/10.3390/w16162284
- Susceptibility Analysis of Geohazards in the Longmen Mountain Region after the Wenchuan Earthquake S. Li et al. https://doi.org/10.3390/ijerph19063229
- Weather Radar in Complex Orography U. Germann et al. https://doi.org/10.3390/rs14030503
- High-resolution monitoring of inland water bodies across China in long time series and water resource changes X. Chuai et al. https://doi.org/10.1007/s10668-020-00738-6
- Performance of a Radar Mosaic Quantitative Precipitation Estimation Algorithm Based on a New Data Quality Index for the Chinese Polarimetric Radars Y. Zhang et al. https://doi.org/10.3390/rs12213557
- Enhancing the accuracy of weather radar heavy rainfall estimates in mountainous regions using combined radar quality indices M. Methaprayun et al. https://doi.org/10.1016/j.jhydrol.2025.133907
- Evaluation of rainfall thresholds triggering debris flows in western China with gauged- and satellite-based precipitation measurement Z. Liu https://doi.org/10.1016/j.jhydrol.2023.129500
- A satellite soil moisture– and radar rainfall–based methodology for slope-scale seepage–stability modelling of rainfall-induced landslides A. Jotisankasa et al. https://doi.org/10.1007/s10346-026-02732-x
- Rainfall intensity in geomorphology: Challenges and opportunities D. Dunkerley https://doi.org/10.1177/0309133320967893
- Preface: Landslide early warning systems: monitoring systems, rainfall thresholds, warning models, performance evaluation and risk perception S. Segoni et al. https://doi.org/10.5194/nhess-18-3179-2018
- Stability Analysis of Slopes with Terraced Topography in Sapa, Northern Vietnam: Semi-Infinite Slope Assumption with Specific Lengths for Slope Failure A. Wakai et al. https://doi.org/10.20965/jdr.2021.p0485
- Rainfall early warning threshold and its spatial distribution of rainfall-induced landslides in China H. Dou et al. https://doi.org/10.1016/j.rockmb.2023.100056
- Critical environmental factors affecting mountain geohazards in a warming climate in Southwest China X. Xu et al. https://doi.org/10.1016/j.accre.2024.07.006
Saved (final revised paper)
Latest update: 09 Jun 2026
Short summary
The aim of this paper is to evaluate the debris flow occurrence thresholds of the rainfall intensity–duration in the earthquake-affected areas of Sichuan province over the rainy seasons from 2012 to 2014. it is clear that radar-based rainfall estimate and threshold supplement the monitoring gap of EWS where rain gauge is scarce. A better understanding of relationship between rainfall and debris flow initiation can be enhanced by the radar with highly spatiotemporal resolution.
The aim of this paper is to evaluate the debris flow occurrence thresholds of the rainfall...
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