Hydrologic Impacts of Thawing Permafrost—A Review
Core Ideas This review synthesizes the state of the science in permafrost hydrology. Observed and projected hydrologic impacts of permafrost thaw are discussed. Characterization, modeling, and knowledge gaps of permafrost systems are identified. Translating results between multiple scales in cold re...
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crwiley:10.2136/vzj2016.01.0010 2024-06-23T07:56:01+00:00 Hydrologic Impacts of Thawing Permafrost—A Review Walvoord, Michelle A. Kurylyk, Barret L. Natural Sciences and Engineering Research Council of Canada 2016 http://dx.doi.org/10.2136/vzj2016.01.0010 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.2136%2Fvzj2016.01.0010 http://onlinelibrary.wiley.com/wol1/doi/10.2136/vzj2016.01.0010/fullpdf en eng Wiley http://creativecommons.org/licenses/by-nc-nd/4.0/ Vadose Zone Journal volume 15, issue 6, page 1-20 ISSN 1539-1663 1539-1663 journal-article 2016 crwiley https://doi.org/10.2136/vzj2016.01.0010 2024-06-13T04:21:09Z Core Ideas This review synthesizes the state of the science in permafrost hydrology. Observed and projected hydrologic impacts of permafrost thaw are discussed. Characterization, modeling, and knowledge gaps of permafrost systems are identified. Translating results between multiple scales in cold regions presents a challenge. Opportunities for advancement in the field of permafrost hydrology are described. 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 modify the distribution of permafrost, leading to changing hydrologic conditions, including alterations in soil moisture, connectivity of inland waters, streamflow seasonality, and the partitioning of water stored above and below ground. The field of permafrost hydrology is undergoing rapid advancement with respect to multiscale observations, subsurface characterization, modeling, and integration with other disciplines. However, gaining predictive capability of the many interrelated consequences of climate change is a persistent challenge due to several factors. Observations of hydrologic change have been causally linked to permafrost thaw, but applications of process‐based models needed to support and enhance the transferability of empirical linkages have often been restricted to generalized representations. Limitations stem from inadequate baseline permafrost and unfrozen hydrogeologic characterization, lack of historical data, and simplifications in structure and process representation needed to counter the high computational demands of cryohydrogeologic simulations. Further, due in part to the large degree of subsurface heterogeneity of permafrost landscapes and the nonuniformity in thaw patterns and rates, associations between various modes of permafrost thaw and hydrologic change are not readily scalable; even trajectories of change can differ. This review highlights promising advances in characterization and modeling of permafrost ... Article in Journal/Newspaper permafrost Wiley Online Library Vadose Zone Journal 15 6 vzj2016.01.0010 |
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Open Polar |
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Wiley Online Library |
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English |
description |
Core Ideas This review synthesizes the state of the science in permafrost hydrology. Observed and projected hydrologic impacts of permafrost thaw are discussed. Characterization, modeling, and knowledge gaps of permafrost systems are identified. Translating results between multiple scales in cold regions presents a challenge. Opportunities for advancement in the field of permafrost hydrology are described. 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 modify the distribution of permafrost, leading to changing hydrologic conditions, including alterations in soil moisture, connectivity of inland waters, streamflow seasonality, and the partitioning of water stored above and below ground. The field of permafrost hydrology is undergoing rapid advancement with respect to multiscale observations, subsurface characterization, modeling, and integration with other disciplines. However, gaining predictive capability of the many interrelated consequences of climate change is a persistent challenge due to several factors. Observations of hydrologic change have been causally linked to permafrost thaw, but applications of process‐based models needed to support and enhance the transferability of empirical linkages have often been restricted to generalized representations. Limitations stem from inadequate baseline permafrost and unfrozen hydrogeologic characterization, lack of historical data, and simplifications in structure and process representation needed to counter the high computational demands of cryohydrogeologic simulations. Further, due in part to the large degree of subsurface heterogeneity of permafrost landscapes and the nonuniformity in thaw patterns and rates, associations between various modes of permafrost thaw and hydrologic change are not readily scalable; even trajectories of change can differ. This review highlights promising advances in characterization and modeling of permafrost ... |
author2 |
Natural Sciences and Engineering Research Council of Canada |
format |
Article in Journal/Newspaper |
author |
Walvoord, Michelle A. Kurylyk, Barret L. |
spellingShingle |
Walvoord, Michelle A. Kurylyk, Barret L. Hydrologic Impacts of Thawing Permafrost—A Review |
author_facet |
Walvoord, Michelle A. Kurylyk, Barret L. |
author_sort |
Walvoord, Michelle A. |
title |
Hydrologic Impacts of Thawing Permafrost—A Review |
title_short |
Hydrologic Impacts of Thawing Permafrost—A Review |
title_full |
Hydrologic Impacts of Thawing Permafrost—A Review |
title_fullStr |
Hydrologic Impacts of Thawing Permafrost—A Review |
title_full_unstemmed |
Hydrologic Impacts of Thawing Permafrost—A Review |
title_sort |
hydrologic impacts of thawing permafrost—a review |
publisher |
Wiley |
publishDate |
2016 |
url |
http://dx.doi.org/10.2136/vzj2016.01.0010 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.2136%2Fvzj2016.01.0010 http://onlinelibrary.wiley.com/wol1/doi/10.2136/vzj2016.01.0010/fullpdf |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
Vadose Zone Journal volume 15, issue 6, page 1-20 ISSN 1539-1663 1539-1663 |
op_rights |
http://creativecommons.org/licenses/by-nc-nd/4.0/ |
op_doi |
https://doi.org/10.2136/vzj2016.01.0010 |
container_title |
Vadose Zone Journal |
container_volume |
15 |
container_issue |
6 |
container_start_page |
vzj2016.01.0010 |
_version_ |
1802648865867825152 |