Research on the analytical methods for water-heat coupling in the frost-thaw process of canal slopes under saturated conditions
Available online 21 February 2025
As a typical seasonal frozen soil region, the slopes of canal projects in Heilongjiang Province frequently experience significant landslide damage due to a high water table and freeze-thaw cycles. This...
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Macro-microscopic deformation evolution of thawing frozen fine-grained soil used in heavy-haul railway subgrades in cold regions
Available online 21 February 2025
During the thawing process of a railway subgrade, bidirectional thawing complicates water-heat transfer, leading to serious thaw settlement issues under train loads. Focusing on the severely frozen...
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Experimental study on the frost jacking characteristics of bamboo joint conical piles in seasonally frozen regions
Available online 19 February 2025
The variation in pile types can to some extent reduce frost jacking displacement of pile foundations in seasonal frost regions, yet further research is needed on the anti-jacking-up performance of different...
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Experimental study on low temperature triaxial shear of sulfate saline silty clay in Hexi area of Gansu
Available online 6 February 2025
In order to explore the mechanical properties and microstructure changes of frozen saline silty clay in the Hexi region of Gansu Province, triaxial compression tests and scanning electron microscopy...
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Identification and Assessment of Avalanche Hazards in Aerxiangou Section of Duku Expressway in TianShan Mountainous Region Based on Unmanned Aerial Vehicle Photography
Available online 30 January 2025
In this study, avalanches in the Aerxiangou section of the Duku Expressway in the Tianshan Mountain area of Xinjiang were taken as the research object, and 92 avalanches were accurately identified through...
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Predicting the unfrozen water content in unsaturated frozen soils using the electrical conductivity method
Available online 23 January 2025
Determination of the unfrozen water and ice contents in frozen soils is a critical issue in cold region geotechnics. The electrical conductivity method has been adopted in both laboratory and in-situ...
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Study on the Deterioration Mechanisms of Basalt with Fractures Under Freeze-Thaw Cycling
Available online 22 January 2025
In cold region, freeze-thaw cycles induced by extreme temperature fluctuations represent a significant threat to the stability of tunnel surrounding rocks. Investigating this phenomenon is essential...
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Analysis on the Evolution Law of Precipitation and Runoff in Sanjiang Plain: A Case Study of the Lower Songhua River Basin
Available online 18 January 2025
Sanjiang Plain, located in the northeast of Heilongjiang Province, is one of the important grain producing areas in Heilongjiang Province, which has made great contributions to China's grain industry....
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Study of Entropy Weight-Grey theory-BP Network life prediction Model of unit silica fume concrete lining under the influence of carbonation-sulfate freeze-thaw cycle erosion
Available online 7 January 2025
To address the challenges posed by tunnel construction in the alpine region, silica fume mixed concrete is commonly used as a construction material. The correlation between silica fume content and the...
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Effects of alpine meadow degradation on the soil physical and chemical properties in Maqu, China
December 2024
While alpine meadow degradation presents a significant ecological challenge, research on the complex patterns of soil property changes induced by degradation has been somewhat limited. In this study,...
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Frost-resistant embankments with a novel ground source heat pump system
December 2024
This study introduces a novel artificial heating technique aimed at addressing frost heave issues in embankments on frozen ground, offering a sustainable solution. Initial evaluations assessed various...
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Molecular mechanisms of seed germination in Hippophae rhamnoides L. based on transcriptomics
December 2024
Hippophae rhamnoides L. is extensively distributed throughout China and plays a pioneering role in combating desertification and soil erosion in northern regions. H. rhamnoides contains abundant nutrients...
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Spatio-temporal response of vegetation coverage at multiple time scales to extreme climate in the Qinling mountains in Northwest China
December 2024
Monitoring spatio-temporal variations in vegetation coverage and linking them to climatic drivers is crucial for guiding environmental management and understanding climate change. In this study, Pearson's...
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Unified elastoplastic solution for the stress and displacement of tunnel lining and surrounding rock in cold areas considering heterogeneous characteristics
December 2024
The lining and surrounding rock around tunnels constructed in cold areas exhibit nonuniform material properties due to the existence of a temperature field. This study considered the effects of these...
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Compensation method and sensitivity analysis of DPHP frozen soil ice content measurement
Available online 30 December 2024
The Duel-Probe-Heat-Pulse (DPHP) ice content sensor can measure the ice content of the soil, but its measurement process is not clear for the disturbance of frozen soil. In this study, the ice content...
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Comparison of two data fusion methods from Sentinel-3 and Himawari-9 data for snow cover monitoring in mountainous areas
Available online 28 December 2024
Snow cover in mountainous areas is characterized by high reflectivity, strong spatial heterogeneity, rapid changes, and susceptibility to cloud interference. However, due to the limitations of a single...
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Efficiency accounting for the conversion of "Green Mountains and Clear Water" into "Gold and Silver Mountains": an empirical study of Qilian Mountain National Park in China
Available online 24 December 2024
The research on the conversion efficiency of "Green Mountains into Clear Water" (Green) and "Gold and silver Mountains" (Gold) is of great significance to promote the coordination between natural resource...
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Comprehensive optimization of ecological network in inland river basin from the perspective of future development: A case study of Shiyang River, China
Available online 22 December 2024
Ecological network (EN) identification and optimization is an essential research tool for safeguarding regional ecological security patterns and planning territorial space. Especially for the ecologically...
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Spatiotemporal variations of dust emission in Qaidam basin during the past 40 years
Available online 18 December 2024
The Qaidam Basin, situated on the Qinghai-Tibetan Plateau, ranks among the highest deserts in the world. Dust derived from this basin are carried to neighboring regions by atmospheric circulation, resulting...
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Mechanical behavior and improved hypoplastic constitutive model for saturated frozen sand
Available online 14 December 2024
The artificial ground-freezing method is the main technical means for the excavation of mines and tunnels through the water-rich sand layer, and the comprehensive understanding of the mechanical properties...
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Calculation on salinity solubility based on thermodynamic models at different temperatures
Available online 12 December 2024
Saline soils are significantly affected by water-salt phase changes, evaporation, and groundwater during seasonal freezing and thawing. For the study of physical and mechanical properties of saline...
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Data-driven modeling of failure envelope surface of ice materials
Available online 10 December 2024
The strength characteristics of ice materials are crucial for the analysis of the interaction between ice and structure in ocean engineering and ice engineering. In this investigation, six machine learning...
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Regional differences in glacier changes and responses to climate warming in Asia
Available online 9 December 2024
Under global warming, Asian glaciers have experienced accelerated retreats and increased mass loss. Utilizing data from the World Glacier Monitoring Service (WGMS), this study selected 16 representative...
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Microplastics in landfast sea ice of Alaskan Arctic: Characteristics and potential sources
Available online 6 December 2024
Regarding the rapid shrinkage of the Arctic cryosphere, sea ice plays a significant role in the temporal storage, transport, and release of microplastics (an emergent pollutant) among atmospheric, aquatic,...
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Data-driven modeling of failure envelope surface of ice materials
Available online 6 December 2024
The strength characteristics of ice materials are crucial for the analysis of the interaction between ice and structure in ocean engineering and ice engineering. In this investigation, six machine learning...
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