197 Result(s)
within
Ri** Feng
Earth Sciences
Earth Sciences, general
Environment, general
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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
Spatial-temporal differentiation and influencing factors of rural settlements in mountainous areas: an example of Liangshan Yi Autonomous Prefecture, Southwestern China
Rural settlement is the basic spatial unit for compact communities in rural area. Scientific exploration of spatial-temporal differentiation and its influencing factors is the premise of spatial layout rationa...
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Article
Open AccessMap** Seismic Hazard for Canadian Sites Using Spatially Smoothed Seismicity Model
The estimated seismic hazard based on the delineated seismic source model is used as the basis to assign the seismic design loads in Canadian structural design codes. An alternative for the estimation is based...
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Article
Performance analyses of two-phase closed thermosyphons for road embankments in the high-latitude permafrost regions
Two-phase closed thermosyphons (TPCTs) are widely used in infrastructure constructions in permafrost regions. Due to different climatic conditions, the effectiveness of TPCT will also be different, especially ...
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Article
Impact pressure of debris flow on beam dam
The use of open-type check dams in mountainous areas has become common practice in order to mitigate the effects of debris flow and extend the service life of engineering structures. The beam dam, a common deb...
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Article
Stability control measures for roof cutting and NPR supporting of mining roadways in fault areas of kilometre-deep coal mine
The study focuses on the stability control measures for mining roadways in fault zones of deep mines, using Daqiang Coal Mine as a case study. The control system under consideration, referred to as “pre-splitt...
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Article
Prediction of landslide block movement based on Kalman filtering data assimilation method
Compared with the study of single point motion of landslides, studying landslide block movement based on data from multiple monitoring points is of great significance for improving the accurate identification ...
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Article
Effects of anti-pull ties on the bearing behaviors of shallow tunnel-type anchorages in soft rock
Tunnel-type anchorages (TTAs) installed in human gathering areas are characterized by a shallow burial depth, and in many instances, they utilize soft rock as the bearing stratum. However, the stability contro...
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Article
Investigating the tourism image of mountain scenic spots in China through the lens of tourist perception
A favorable tourism image of high-quality mountain scenic spots (HQMSS) is crucial for tourism prosperity and sustainability. This paper establishes a framework for investigating the tourism image based on cog...
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Article
Tectonic and climatic controls for fluvial terraces of the Yellow River over the past 2.6 Ma at Northeast Tibetan Plateau and Ordos Block
The Yellow River is usually assumed to record tectonic activities and climatic changes; however, a systematic study was lack in the sedimentology, stratigraphy, geomorphology and geochronology for the entire Y...
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Article
Performance evaluation of CLM5.0 in simulating liquid soil water in high mountainous area, Northwest China
The model performance in simulating soil water content (SWC) is crucial for successfully modeling earth’s system, especially in high mountainous areas. In this study, the performance of Community Land Model 5....
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Article
Spatiotemporal distribution of regional landslides and erosion rates in Southeastern Tibet
The difficulty in estimating ages of regional landslides hampers to assess frequency of landslides and hence to quantitatively assess regional landslide hazard. In this study, we used radiocarbon dating of org...
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Article
Movement and deformation characteristics of overlying rock mass in deep coal seam
The 110 mining method is an innovative and useful coal mining technology. It mainly relies on two technologies to improve coal mining rate: Top cutting and pressure relief, Negative Poisson’s ratio anchor cabl...
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Article
Experimental study on the movement law of overlying rock non-pillar coal overhead mining
Pillarless coal mining technology is a new practical technology. Based on the compensating mechanical behavior of the Negative Poisson’s Ratio (NPR) anchor cable on the roof, the roadway was successfully retai...
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Article
Centrifuge and numerical modeling of h-type anti-slide pile reinforced soil-rock mixture slope
Due to the loose structure, high porosity and high permeability of soil-rock mixture slope, the slope is unstable and may cause huge economic losses and casualties. The h-type anti-slide pile is regarded as an...
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Article
Failure mechanism of a large-scale composite deposits caused by the water level increases
The failure of slope caused by variations in water levels on both banks of reservoirs is common. Reservoir landslides greatly threaten the safety of reservoir area. Taking large-scale composite deposits locate...
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Article
Are the altitudinal patterns of plant diversity derived from field surveys consistent with those from empirical integrated methods?
Field surveys and empirical integrated methods are commonly used in the ecological research to understand the altitudinal pattern of plant diversity of mountains. However, few studies have compared the differe...
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Article
Comparison of LR, 5-CV SVM, GA SVM, and PSO SVM for landslide susceptibility assessment in Tibetan Plateau area, China
The applicability of statistics-based landslide susceptibility assessment methods is affected by the number of historical landslides. Previous studies have proposed support vector machine (SVM) as a small-samp...
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Article
Hydroclimatic variations in the Tianshan Mountains based on grain size and geochemistry of core sediments since ∼1490 CE
Numerous studies have focused on modern hydroclimate and the modulated mechanisms in the Tianshan Mountains (TMs), arid central Asia. However, the detailed information of hydroclimatic processes beyond the ins...
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Article
Distribution patterns of landslides triggered by the 2022 Ms 6.8 Luding earthquake, Sichuan, China
At 12:52 pm on September 5, 2022, an Ms 6.8 earthquake occurred in Luding County, Sichuan Province, China. Based on high-resolution aerial photographs and satellite imageries obtained after the earthquake, as ...
