Invited perspective: What lies beneath a changing Arctic?
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Published:2021-02-01
Issue:1
Volume:15
Page:479-484
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ISSN:1994-0424
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Container-title:The Cryosphere
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language:en
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Short-container-title:The Cryosphere
Author:
McKenzie Jeffrey M.ORCID, Kurylyk Barret L.ORCID, Walvoord Michelle A., Bense Victor F.ORCID, Fortier Daniel, Spence Christopher, Grenier Christophe
Abstract
Abstract. As permafrost thaws in the Arctic, new subsurface pathways open
for the transport of groundwater, energy, and solutes. We identify different
ways that these subsurface changes are driving observed surface
consequences, including the potential for increased contaminant transport,
modification to water resources, and enhanced rates of infrastructure (e.g. buildings and roads) damage. Further, as permafrost thaws it allows
groundwater to transport carbon, nutrients, and other dissolved constituents
from terrestrial to aquatic environments via progressively deeper subsurface
flow paths. Cryohydrogeology, the study of groundwater in cold regions,
should be included in northern research initiatives to account for this
hidden catalyst of environmental and societal change.
Publisher
Copernicus GmbH
Subject
Earth-Surface Processes,Water Science and Technology
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