220 Result(s)
within
**ao** Xu
Earth Sciences
Earth Sciences, general
Environment, general
Geography, general
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Article
Protective effects of baffles with different positions, row spacings, heights on debris flow impact
The baffle effectively slowed down debris flow velocity, reduced its kinetic energy, and significantly shortened the distance of debris flow movement. Consequently, they are widely used for protection against ...
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Article
Surrounding rock pressure in the tunnel portal section through moraine under freeze-thaw action
Moraines, characterized by the accumulation of rock and soil debris transported by glacial activity, present unique challenges for tunnel construction, particularly in portal sections, due to prevailing geogra...
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Article
Spatiotemporal changes in sunshine duration and its influential factors in Chongqing, China from 1961 to 2020
The surface solar radiation in most parts of the world has undergone a phenomenon known as global dimming and brightening, characterized by an initial decrease followed by an increase. As a result, the sunshin...
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Article
Spatio-temporal evolution and topographic gradient effect of land use and ecosystem service value in the Lhasa River Basin
The Lhasa River Basin forms an essential human settlement area in the southern part of the Qinghai-Tibet Plateau. This study employed ecosystem service value (ESV) evaluation model, terrain gradient grading, a...
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Article
Advances in ice avalanches on the Tibetan Plateau
As some of the greatest natural disasters in the cryosphere, ice avalanches (IAs) seriously threaten lives and cause catastrophic damage to the resource environment, but a comprehensive overview of the state o...
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Article
Spatial distribution of shallow landslides caused by Typhoon Lekima in 2019 in Zhejiang Province, China
In recent years, the coastal region of Southeast China has witnessed a significant increase in the frequency and intensity of extreme rainfall events associated with landfalling typhoons. The hilly and mountai...
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Article
Socio-scientific quantification of the comprehensive benefits of debris flow mitigation measures for villages in western Sichuan, China
Debris flow hazards seriously threaten the safety and sustainable development of mountainous areas. Numerous debris flow mitigation measures have been implemented worldwide; however, a comprehensive assessment...
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Article
Crack mechanism of ground fissures in loess layer of Fenwei Basin, China
The Fenwei Basin, covered by loess, experiences severe ground fissure disasters. These disasters disrupt the continuity of the loess and pose significant threats to engineering construction safety along transp...
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Article
Post-disaster spatial reconstruction from the perspective of a rural settlement niche in the upper reaches of the Minjiang River
Post-disaster recovery and reconstruction provide an effective way to reduce the disaster vulnerability of, and promote leapfrog development in, an affected area. To date, studies that have used administrative...
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Article
Quantifying the impact of earthquakes and geological factors on spatial heterogeneity of debris-flow prone areas: A case study in the Hengduan Mountains
Understanding the spatial heterogeneity of debris-flow-prone areas holds significant implications for regional risk management, particularly in seismically active regions with geological faults. Despite the si...
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Article
Unstable evolution of railway slope under the rainfall-vibration joint action
Understanding the unstable evolution of railway slopes is the premise for preventing slope failure and ensuring the safe operation of trains. However, as two major factors affecting the stability of railway sl...
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Article
Study on coastal sediment budget imbalance in cells resulted from land cover change in the savanna desertification area, west Hainan Island (China)
Coastal zone construction has developed rapidly in recent years in the western region of Hainan Island (China). The study area is the only savanna desertification zone in China which has been suffering severe ...
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Article
Dynamic response and failure process of horizontal-layered fractured structure rock slope under strong earthquake
Rock slope with horizontal-layered fractured structure (HLFS) has high stability in its natural state. However, a strong earthquake can induce rock fissure expansion, ultimately leading to slope failure. In th...
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Article
Failure mechanism and infrared radiation characteristic of hard siltstone induced by stratification effect
The deformation in sedimentary rock induced by train loads has potential threat to the safe operation of tunnels. This study investigated the influence of stratification structure on the infrared radiation and...
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Article
Understanding livelihood vulnerability: a perspective from Western Sichuan’s ethnic rural settings
To explore the livelihood status and key influencing factors of rural households in the minority areas, we collected flat data from 284 rural households in 32 villages across 12 counties of Western Sichuan fro...
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Article
Structural plane recognition from three-dimensional laser scanning points using an improved region-growing algorithm based on the robust randomized Hough transform
The staggered distribution of joints and fissures in space constitutes the weak part of any rock mass. The identification of rock mass structural planes and the extraction of characteristic parameters are the ...
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Article
Sensitivity analysis of regional rainfall-induced landslide based on UAV photogrammetry and LSTM neural network
Rainfall stands out as a critical trigger for landslides, particularly given the intense summer rainfall experienced in Zheduotang, a transitional zone from the southwest edge of Sichuan Basin to Qinghai Tibet...
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Article
Terrain-influenced wind flow of the Qitai radio telescope site
The wind environment of a site is one of the important factors affecting the observation performance of large aperture and high-performance radio telescopes. Exploring the relationship between the effects of d...
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Article
A new anchor-siphon drainage combined method used for slope stabilization
A new anchor-siphon drainage combined method used for slope stabilization is proposed in this paper. It includes an anchoring section and a siphon drainage section. The novelty of the anchor-siphon drainage co...
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Article
Rainfall erosivity and sediment dynamics in the Himalaya catchment during the Melamchi flood in Nepal
Rainfall erosivity is an indicator of rainfall potential to cause soil erosion. The Melamchi extreme flood occurred on June-15 and recurred on July-31, 2021 in Nepal. During these flooding events, a large volu...
