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From CSDMS
No but possible +
In progress +
No but possible +
Creation date"Creation date" is a predefined property that corresponds to the date of the first revision of a subject and is provided by <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
21:45:48, 20 April 2010 +
https://csdms.colorado.edu/pub/models/doi-source-code/gipl-10.1594.IEDA.100131-0.1.tar.gz +
We have tested the model for different permafrost observation sites for Alaska(USA) and Siberia(Russia). Typically, the model results show good correlation with measured data (if observations are accurate). +
Upper Boundary (Air temperature)
Lower Boundary (Temperature gradient)
Initial conditions (Temperature distribution at initial time)
Thermo-physical properties +
Thermal capacities and conductivities prescribed for each subsurface layer, volumetric water content and unfrozen water coefficients. +
Temperature distribution with depth
Active Layer Depth
Freezing/Thawing day +
To generate netcdf or GIS outputs one can write its own converter for that. +
For spatial case one can developed its own pre-processing in order to put the input dataset in the format readable for GIPL. +
Main purpose of the model is to calculate subsurface temperature profile, active layer depth and freeze-up day. +
As is, no updates are provided +
2,011 +
GIPL(Geophysical Institute Permafrost Labo … GIPL(Geophysical Institute Permafrost Laboratory) is an implicit finite difference one-dimensional heat flow numerical model. The GIPL model uses the effect of snow layer and subsurface soil thermal properties to simulate ground temperatures and active layer thickness (ALT) by solving the 1D heat diffusion equation with phase change. The phase change associated with freezing and thawing process occurs within a range of temperatures below 0 degree centigrade, and is represented by the unfrozen water curve (Romanovsky and Osterkamp 2000). The model employs finite difference numerical scheme over a specified domain. The soil column is divided into several layers, each with distinct thermo-physical properties. The GIPL model has been successfully used to map permafrost dynamics in Alaska and validated using ground temperature measurements in shallow boreholes across Alaska (Nicolsky et al. 2009, Jafarov et al. 2012, Jafarov et al. 2013, Jafarov et al. 2014).Jafarov et al. 2013, Jafarov et al. 2014). +
Elchin +
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ASCII +
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0.77 +
gipl +, geophysical +, laboratory +, institute +, geophysical institute permafrost +, institute permafrost laboratory +, geophysical institute +, one-dimensional heat flow +, difference one-dimensional heat +, permafrost laboratory +, heat flow numerical +, institute permafrost +, gipl model +, implicit finite difference +, finite difference one-dimensional +, flow numerical model +, one-dimensional heat +, heat flow + and permafrost +
As code +
Media:Sample.zip +
Single +
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02:17:07, 17 September 2020 +
30 +
GIPL(Geophysical Institute Permafrost Laboratory) is an implicit finite difference one-dimensional heat flow numerical model. +
ASCII +
netcdf, GIS +
80309 +
true +
Other +
it takes less than a minite to run the serial model for one with daily time interval +
Through web repository +
https://github.com/Elchin/GIPL +
2000 +
Model developer +
Matlab, Microsoft Excel (for serial); Matlab, ARCGIS, ncview (for spatial model) +
