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1.长安大学地质工程与测绘学院,陕西 西安,710054
2.西部矿产资源与地质工程教育部重点实验室,陕西 西安,710054
Received:12 October 2025,
Published:05 July 2026
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田玉雪,杨成生,卢慧敏,等.中国滑坡体积快速估算的幂律模型与几何模型方法[J].武汉大学学报(信息科学版),2026,51(7):1470-1481.
TIAN Yuxue,YANG Chengsheng,LU Huimin,et al.Power‑Law and Geometry‑Modelling Method for Rapid Estimation of Landslide Volume in China[J].Geomatics and Information Science of Wuhan University,2026,51(7):1470-1481.
田玉雪,杨成生,卢慧敏,等.中国滑坡体积快速估算的幂律模型与几何模型方法[J].武汉大学学报(信息科学版),2026,51(7):1470-1481. DOI:10.13203/j.whugis20250013
TIAN Yuxue,YANG Chengsheng,LU Huimin,et al.Power‑Law and Geometry‑Modelling Method for Rapid Estimation of Landslide Volume in China[J].Geomatics and Information Science of Wuhan University,2026,51(7):1470-1481. DOI:10.13203/j.whugis20250013
准确快速地估算滑坡体积是滑坡灾害评估和防治工作的基础,对及时了解滑坡灾害规模和潜在威胁、制定合理防治方案、评估灾害损失以及提高防灾减灾能力具有重要意义。针对中国滑坡体积估算中实际调查难度大、估算理论依据不足的现状,根据文献汇报收集了1995—2024年中国的滑坡数据,建立适用于中国不同地区的滑坡面积-体积幂律关系模型,并对幂律关系进行几何验证与数学证明,实现了对滑坡体积的快速估算。同时,还对基于几何建模的滑坡体积估算方法及其改进进行了讨论与分析,分别总结了幂律方法、几何建模方法估算滑坡体积适用特点。
Objectives
2
The accurate and rapid estimation of landslide volume is a fundamental component in landslide disaster assessment and mitigation efforts. It plays a significant role in understanding the scale and potential risks of landslide disasters
formulating effective prevention and control measures
assessing disaster losses
and enhancing disaster risk reduction capabilities. However
in China
estimating the volume of landslides in remote mountainous regions is highly challenging
and the existing methods are not applicable to emergency situations that require rapid response.
Methods
2
In response to the challenges of conducting field surveys and the insufficient theoretical foundation for landslide volume estimation in China
landslide data from the past 30 a (1995—2024) are collected based on literature reports. We obtain information such as the length
width
area
and volume of the landslides
and use the landslide area-volume power-law relationship and geometric modeling methods to obtain model parameters
enabling the estimation of unknown landslide volumes.
Results
2
We ultimately establish a landslide area-volume power-law relationship model applicable to different regions of China
and geometrically validate and mathematically prove the landslide power-law relationship. Then the variation patterns and ranges of the power-law parameters under different environmental conditions are discussed. Additionally
we discuss and analyze the landslide volume estimation method based on geometric modeling and its improvements
and compare the accuracy of the two methods for landslide volume estimation
and summary the applicability and characteristics of each method.
Conclusions
2
The power-law model can effectively estimate the landslide volume and has good applicability in practical use. On the other hand
the geometric modeling method fully considers the geometric characteristics of the landslide. Compared to previous methods
it requires simpler parameter acquisition
has a solid theoretical basis in empirical formulas
and offers stronger applicability. The research findings provide theoretical support for the estimation of landslide volume and offer important reference for rapid estimation of landslide volume and assessment of landslide hazards.
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