Ground temperature and deformation analysis for an expressway embankment in warm permafrost regions of the Tibet plateau
Sign Up to like & getrecommendations! Published in 2019 at "Permafrost and Periglacial Processes"
DOI: 10.1002/ppp.2007
Abstract: The physical and mechanical processes relating to infrastructure are strongly intertwined in subgrades of road or railway in warm permafrost regions, where the evolution of these processes may influence the functionality of infrastructure. Thus, this… read more here.
Keywords: permafrost regions; permafrost; ground temperature; deformation ... See more keywords
Spatiotemporal changes of freezing/thawing indices and their response to recent climate change on the Qinghai–Tibet Plateau from 1980 to 2013
Sign Up to like & getrecommendations! Published in 2017 at "Theoretical and Applied Climatology"
DOI: 10.1007/s00704-017-2157-y
Abstract: The spatial and temporal changes of the ground surface freezing indices (GFIs), ground surface thawing indices (GTIs), air freezing indices (AFIs), and air thawing indices (ATIs) in permafrost and seasonally frozen ground regions of the… read more here.
Keywords: permafrost regions; ground; frozen ground; seasonally frozen ... See more keywords
Seismic behaviors of soil slope in permafrost regions using a large-scale shaking table
Sign Up to like & getrecommendations! Published in 2017 at "Landslides"
DOI: 10.1007/s10346-017-0823-x
Abstract: Large-scale shaking table model tests were carried out to study the dynamic behaviors of slopes and failure mechanism of landslide in permafrost regions. The model slope was constituted of silty clay layer stacked on an… read more here.
Keywords: slope; permafrost regions; ice interface; soil ice ... See more keywords
Root-induced changes to soil water retention in permafrost regions of the Qinghai-Tibet Plateau, China
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Soils and Sediments"
DOI: 10.1007/s11368-017-1815-0
Abstract: PurposeSoil water retention plays a crucial role in regulating soil moisture dynamics, water circulation, plant growth, contaminant transport, and permafrost stability, and it is an issue of concern in water-limited ecosystems. However, our understanding of… read more here.
Keywords: water retention; permafrost regions; water; retention ... See more keywords
Comparison of the thermal conductivity parameterizations for a freeze-thaw algorithm with a multi-layered soil in permafrost regions
Sign Up to like & getrecommendations! Published in 2017 at "Catena"
DOI: 10.1016/j.catena.2017.04.011
Abstract: Abstract Soil thermodynamic properties are critical for determining the soil freezing and thawing depths of active layers which is highly important for the hydrology and energy balances of permafrost regions. Here, three soil thermal conductivity… read more here.
Keywords: permafrost regions; freeze thaw; thermal conductivity; conductivity parameterizations ... See more keywords
Cooling performance and deformation behavior of crushed-rock embankments on the Qinghai-Tibet Railway in permafrost regions
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2019.105453
Abstract: Abstract The structural functionality of roads and railways in warm permafrost regions is influenced by both physical and mechanical processes at work within the underlying subgrade. This paper uses ten-years worth of monitoring data to… read more here.
Keywords: permafrost regions; crushed rock; rock embankments; deformation ... See more keywords
A mathematical investigation of the air-ground temperature relationship in permafrost regions on the Tibetan Plateau
Sign Up to like & getrecommendations! Published in 2017 at "Geoderma"
DOI: 10.1016/j.geoderma.2017.07.017
Abstract: Abstract Air and soil temperatures are important factors that contribute to hydro-thermal processes and ecosystem dynamics in permafrost regions. However, there is little research regarding soil thermal dynamics during freeze-thaw processes in permafrost regions with… read more here.
Keywords: air; air ground; permafrost regions; tibetan plateau ... See more keywords
Landslide response to climate change in permafrost regions
Sign Up to like & getrecommendations! Published in 2019 at "Geomorphology"
DOI: 10.1016/j.geomorph.2019.04.029
Abstract: Abstract Rapid permafrost thaw in the high-latitude and high-elevation areas increases hillslope susceptibility to landsliding by altering geotechnical properties of hillslope materials, including reduced cohesion and increased hydraulic connectivity. This review synthesizes the fundamental processes… read more here.
Keywords: response climate; climate change; landslide response; change permafrost ... See more keywords
Numerical evaluation for protecting and reinforcing effect of a new designed crushed rock revetment on Qinghai–Tibet Railway
Sign Up to like & getrecommendations! Published in 2020 at "Renewable Energy"
DOI: 10.1016/j.renene.2020.04.066
Abstract: Abstract Crushed rock revetment (CRR) has been widely implemented to mitigate the geothermal disturbance from the embankment construction and global warming. The cooling effect and air convective mode of the traditional CRR (TCRR) and a… read more here.
Keywords: permafrost regions; permafrost; rock revetment; new designed ... See more keywords
Experimental and Numerical Analyses of the Thermal Regime of a Traditional Embankment in Permafrost Regions
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Materials Science and Engineering"
DOI: 10.1155/2021/7185616
Abstract: Traditional embankment is widely used in the permafrost regions along the Qinghai-Tibet Railway (QTR) because of its simple construction and lower cost. However, this form of embankment has insufficient ability to resist external thermal disturbance.… read more here.
Keywords: permafrost regions; embankment; permafrost; traditional embankment ... See more keywords
Effects of autumn diurnal freeze–thaw cycles on soil bacteria and greenhouse gases in the permafrost regions
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Microbiology"
DOI: 10.3389/fmicb.2022.1056953
Abstract: Understanding the impacts of diurnal freeze–thaw cycles (DFTCs) on soil microorganisms and greenhouse gas emissions is crucial for assessing soil carbon and nitrogen cycles in the alpine ecosystems. However, relevant studies in the permafrost regions… read more here.
Keywords: greenhouse gases; freeze thaw; thaw cycles; diurnal freeze ... See more keywords