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Coastal Permafrost and Groundwater Discharge Model
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Created: Nov 12, 2021 at 8:16 p.m.
Last updated: Feb 23, 2022 at 2:40 p.m.
DOI: 10.4211/hs.f0f53cbd821842cb817b8c60c94c4e6f
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Sharing Status: Published
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Abstract

This resource expands on a previously published FlexPDE code (doi: 10.4211/hs.98d4192a4f8841149e1502f82b777f69), which solves the coupled partial differential equations describing variable-density fluid flow and solute transport, and heat transfer with salinity-dependent freeze-thaw, by incorporating additional text necessary for analyzing groundwater discharge in the coastal zone. Also included are scripts for -4 degree C and -2 degree C initial surface temperature scenarios.

Subject Keywords

Content

README.txt 

In these folders are the files necessary to run the coastal permafrost and groundwater discharge model. A FlexPDE license of version 7 or newer is necessary to run the scripts. Four folders are provided for the following scenarios: 
* Scenario with -2 C initial surface temperature and k = 1x10^-13 m^2; 
* Scenario with -4 C initial surface temperature and k = 1x10^-13 m^2;  
* Scenario with -4 C initial surface temperature and k = 1x10^-14 m^2;
* Scenarios with -4 C initial surface temperature and k = 1x10^-15 m^2;
Within each folder are three initial condition files for concentration, head and temperature (i.e., initial_conc_k13.dat; initial_head_k13.dat; and initial_temp_k13.dat) corresponding to the intrinsic permeability and initial surface temperature scenario. Additionally, each folder includes four FlexPDE scripts which are distinguished by the scenarios that the script is capable of running. The scenarios are as follows:
1) Scenarios without warming or sea-level rise (SLR)
2) Scenarios with warming but without SLR
3) Scenarios without warming but with SLR
4) Scenarios with warming and SLR
For scenarios 2) & 4), the desired rate of land surface warming (Lw) and ocean warming (Ow) must be specified for the desired warming conditions. For scenarios 3) & 4), the magnitude of sea-level rise (SLR) must be specified. The included simulations refer to warming associated with the RCP 2.6 emissions scenario.

Related Resources

The content of this resource is derived from Guimond, J. A., Mohammed, A. A., Walvoord, M. A., Bense, V. F., & Kurylyk, B. L. (2021). Saltwater intrusion intensifies coastal permafrost thaw. Geophysical Research Letters, 48(19), e2021GL094776.
The content of this resource is derived from Guimond, J. A. (2021). Coastal Cryohydrogeological Model, HydroShare, https://doi.org/10.4211/hs.98d4192a4f8841149e1502f82b777f69

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation Uncovering climate-driven impacts on high-latitude aquifer-ocean exchange 1952627

Contributors

People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Barret Kurylyk Dalhousie University
Michelle Walvoord USGS
Victor Bense Wageningen University
Aaron A. Mohammed Dalhousie University

How to Cite

Guimond, J. A. (2022). Coastal Permafrost and Groundwater Discharge Model, HydroShare, https://doi.org/10.4211/hs.f0f53cbd821842cb817b8c60c94c4e6f

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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