Hydrologic impacts of thawing permafrost—A review

MA Walvoord, BL Kurylyk - Vadose Zone Journal, 2016 - pubs.geoscienceworld.org
Where present, permafrost exerts a primary control on water fluxes, flowpaths, and
distribution. Climate warming and related drivers of soil thermal change are expected to …

Guidelines for cold‐regions groundwater numerical modeling

P Lamontagne‐Hallé, JM McKenzie… - Wiley …, 2020 - Wiley Online Library
The impacts of ongoing climate warming on cold‐regions hydrogeology and groundwater
resources have created a need to develop groundwater models adapted to these …

Extremely wet summer events enhance permafrost thaw for multiple years in Siberian tundra

RÍ Magnússon, A Hamm, SV Karsanaev… - Nature …, 2022 - nature.com
Permafrost thaw can accelerate climate warming by releasing carbon from previously frozen
soil in the form of greenhouse gases. Rainfall extremes have been proposed to increase …

Drying of tundra landscapes will limit subsidence-induced acceleration of permafrost thaw

SL Painter, ET Coon, AJ Khattak, JD Jastrow - Proceedings of the national …, 2023 - pnas.org
We used a model for permafrost hydrology informed by detailed measurements of soil ice
content to better understand the potential risk of abrupt permafrost thaw triggered by melting …

Groundwater flow and heat transport for systems undergoing freeze-thaw: Intercomparison of numerical simulators for 2D test cases

C Grenier, H Anbergen, V Bense, Q Chanzy… - Advances in water …, 2018 - Elsevier
In high-elevation, boreal and arctic regions, hydrological processes and associated water
bodies can be strongly influenced by the distribution of permafrost. Recent field and …

Modeling the role of preferential snow accumulation in through talik development and hillslope groundwater flow in a transitional permafrost landscape

EE Jafarov, ET Coon, DR Harp, CJ Wilson… - Environmental …, 2018 - iopscience.iop.org
Through taliks—thawed zones extending through the entire permafrost layer—represent a
critical type of heterogeneity that affects water redistribution and heat transport, especially in …

Integrated surface/subsurface permafrost thermal hydrology: Model formulation and proof‐of‐concept simulations

SL Painter, ET Coon, AL Atchley… - Water Resources …, 2016 - Wiley Online Library
The need to understand potential climate impacts and feedbacks in Arctic regions has
prompted recent interest in modeling of permafrost dynamics in a warming climate. A new …

Permafrost thermal conditions are sensitive to shifts in snow timing

A Jan, SL Painter - Environmental Research Letters, 2020 - iopscience.iop.org
Abstract Changes in snow precipitation at high latitudes can significantly affect permafrost
thermal conditions and thaw depth, potentially exposing more carbon-laden soil to microbial …

A coupled model for liquid water, water vapor and heat transport of saturated–unsaturated soil in cold regions: model formulation and verification

M Zhang, Z Wen, K Xue, L Chen, D Li - Environmental Earth Sciences, 2016 - Springer
In cold and arid regions, vapor movement and water flow are crucial to thermal-moisture
dynamics of the active layer and control the soil microbial activity, plant growth and …

Taliks: A tip** point in discontinuous permafrost degradation in peatlands

ÉG Devoie, JR Craig, RF Connon… - Water Resources …, 2019 - Wiley Online Library
Taliks (perennially thawed soil in a permafrost environment) are generally found beneath
water bodies or wetlands, and their development and evolution in other environments is …