An albedo based model for the calculation of pavement surface temperatures in permafrost regions

Dumais, Simon; Doré, Guy

doi:10.1016/j.coldregions.2015.11.013

Cited by 39 publications

(22 citation statements)

References 8 publications

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“…This is mainly attributed to the low albedo (0.15) of snow-free surface of embankment fill material and asphalt. The low albedo of embankment surface enhances the absorption of solar radiation, in comparison with snowcovered surfaces (albedo: 0.6-0.9; Ling & Zhang, 2003;Dumais & Doré, 2016: study conducted at the test site).…”

Section: Difference Between the Natural Ground And Embankment's Slopementioning

confidence: 99%

“…Conversely, many studies demonstrate that the permafrost thaw rate can be enhanced by heat advection linked with subsurface water flow (Fortier, Allard, & Shur, ; McKenzie, Voss, & Siegel, ; Kurylyk, Hayashi, Quinton, McKenzie, & Voss, ; You et al, ). For transportation infrastructure, most of the previous studies neglected the cryohydrogeolocial processes beneath infrastructure and mainly focused on how the atmospheric heat enters the underlying permafrost (Dumais & Doré, ; Wu, Dong, Liu, & Jin, ). Linear transportation infrastructure commonly crosses local water system.…”

Section: Introductionmentioning

confidence: 99%

“…In northern regions, transportation infrastructure experiences severe structural damage due to the degradation of the underlying permafrost (Hjort et al, ), leading to large increases in maintenance costs and reductions in the lifespan of road embankments (Cheng, ; Reimchen, Doré, Fortier, & Walsh, ). The temperatures within a road embankment's sub‐base (i.e., a layer of fill material) and subgrade (i.e., native material under an embankment) are a function of air temperature, atmospheric radiation, wind convection, and heat conduction through the embankment material (Dumais & Doré, ; Hall, Dehdezi, Dawson, Grenfell, & Isola, ; Zhang, Wu, Liu, & Gao, ). The thermal regime of infrastructure can be modified and cooled by mitigation techniques used in or on the embankment (Chen, Yu, Yi, Hu, & Liu, ; Doré, Niu, & Brooks, ; Goering & Kumar, ; Lai, Zhang, Zhang, & Mi, ).…”

Section: Introductionmentioning

confidence: 99%

“…For transportation infrastructure, most of the previous studies neglected the cryohydrogeolocial processes beneath infrastructure and mainly focused on how the atmospheric heat enters the underlying permafrost (Dumais & Doré, 2016;Wu, Dong, Liu, & Jin, 2007). Linear transportation infrastructure commonly crosses local water system.…”

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confidence: 99%

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Impact of heat advection on the thermal regime of roads built on permafrost

Chen

Fortier

McKenzie

et al. 2020

Hydrological Processes

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In northern regions, transportation infrastructure can experience severe structural damages due to permafrost degradation. Water infiltration and subsurface water flow under an embankment affect the energy balance of roadways and underlying permafrost. However, the quantification of the processes controlling these changes and a detailed investigation of their thermal impacts remain largely unknown due to a lack of available long‐term embankment temperature data in permafrost regions. Here, we report observations of heat advection linked to surface water infiltration and subsurface flow based on a 9‐year (from 2009 to 2017) thermal monitoring at an experimental road test site built on ice‐rich permafrost conditions in southwestern Yukon, Canada. Our results show that snowmelt water infiltration in the spring rapidly increases temperature in the upper portion of the embankment. The earlier disappearance of snow deposited at the embankment slope increases the thawing period and the temperature gradient in the embankment compared with the natural ground. Infiltrated summer rainfall water lowered the near‐surface temperatures and subsequently warmed embankment fill materials down to 3.6‐m depth. Heat advection caused by the flow of subsurface water produced warming rates at depth in the embankment subgrade up to two orders of magnitude faster than by atmospheric warming (heat conduction). Subsurface water flow promoted permafrost thawing under the road embankment and led to an increase in active layer thickness. We conclude that the thermal stability of roadways along the Alaska Highway corridor is not maintainable in situations where water is flowing under the infrastructure unless mitigation techniques are used. Severe structural damages to the highway embankment are expected to occur in the next decade.

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Section: Difference Between the Natural Ground And Embankment's Slopementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Impact of heat advection on the thermal regime of roads built on permafrost

Chen

Fortier

McKenzie

et al. 2020

Hydrological Processes

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“…Drainage and culvert design to channel liquid water and prevent ponding will therefore be increasingly important for road protection over permafrost lands. In a related study at the test section of road at Beaver Creek the effects of pavement albedo were evaluated by observations and modelling, and culminated in a set of engineering design charts (Dumais and Doré 2016).…”

Section: Adaptation To Changing Permafrostmentioning

confidence: 99%

Arctic permafrost landscapes in transition: towards an integrated Earth system approach

2017

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Permafrost science and engineering are of vital importance for northern development and climate adaptation given that buildings, roads and other infrastructure in many parts of the Arctic depend on permafrost stability. Permafrost also has wide-ranging effects on other features of the Arctic environment including geomorphology, biogeochemical fluxes, tundra plant and animal ecology, and the functioning of lake, river and coastal marine ecosystems. This review presents an Earth system perspective on permafrost landscapes as an approach towards integration across disciplines. The permafrost system can be described by a three-layer conceptual model, with an upper buffer layer that contains vegetation or infrastructure. Snow and liquid water strongly affect the thermal properties and stability of these layers and their associated interfaces, resulting in critical times and places for accelerated degradation of permafrost and for exchanges of mass and heat with the hydrosphere and atmosphere. Northern permafrost landscapes are now in rapid transition as a result of climate warming and socioeconomic development, which is affecting their ability to provide geosystem and ecosystem services. The Earth system approach provides a framework for identifying linkages, thresholds and feedbacks among system components, including human systems, and for the development of management strategies to cope with permafrost change.

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Surface energy balance of sub‐Arctic roads with varying snow regimes and properties in permafrost regions

Chen

Voss

Fortier

et al. 2021

Permafrost & Periglacial

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Surface energy balance (SEB) strongly influences the thermal state of permafrost, cryohydrological processes, and infrastructure stability. Road construction and snow accumulation affect the energy balance of underlying permafrost. Herein, we use an experimental road section of the Alaska Highway to develop a SEB model to quantify the surface energy components and ground surface temperature (GST) for different land cover types with varying snow regimes and properties. Simulated and measured ground temperatures are in good agreement, and our results show that the quantity of heat entering the embankment center and slope is mainly controlled by net radiation, and less by the sensible heat flux. In spring, lateral heat flux from the embankment center leads to earlier disappearance of snowpack on the embankment slope. In winter, the insulation created by the snow cover on the embankment slope reduces heat loss by a factor of three compared with the embankment center where the snow is plowed. The surface temperature offsets are 5.0°C and 7.8°C for the embankment center and slope, respectively. Furthermore, the heat flux released on the embankment slope exponentially decreases with increasing snow depth, and linearly decreases with earlier snow cover in fall and shorter snow‐covered period in spring.

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An albedo based model for the calculation of pavement surface temperatures in permafrost regions

Cited by 39 publications

References 8 publications

Impact of heat advection on the thermal regime of roads built on permafrost

Impact of heat advection on the thermal regime of roads built on permafrost

Arctic permafrost landscapes in transition: towards an integrated Earth system approach

Surface energy balance of sub‐Arctic roads with varying snow regimes and properties in permafrost regions

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