Model:VIC: Difference between revisions
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{{Model identity | {{Model identity | ||
|Model type=Single | |Model type=Single | ||
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{{Start models incorporated}} | |||
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{{Model identity2 | |||
|ModelDomain=Hydrology | |||
|Spatial dimensions=3D | |Spatial dimensions=3D | ||
|Spatialscale=Global | |Spatialscale=Continental, Global, Regional-Scale | ||
|One-line model description=VIC is a macroscale hydrologic model that solves full water and energy balances, originally developed by Xu Liang at the University of Washington | |One-line model description=VIC (Variable Infiltration Capacity) is a macroscale hydrologic model that solves full water and energy balances, originally developed by Xu Liang at the University of Washington. | ||
|Extended model description=The VIC model is a large-scale, semi-distributed hydrologic model. As such, it shares several basic features with the other land surface models (LSMs) that are commonly coupled to global circulation models (GCMs): | |Extended model description=The VIC model is a large-scale, semi-distributed hydrologic model. As such, it shares several basic features with the other land surface models (LSMs) that are commonly coupled to global circulation models (GCMs): | ||
The land surface is modelled as a grid of large (>1km), flat, uniform cells | The land surface is modelled as a grid of large (>1km), flat, uniform cells | ||
Sub-grid heterogeneity (e.g. elevation, land cover) is handled via statistical distributions | Sub-grid heterogeneity (e.g. elevation, land cover) is handled via statistical distributions. | ||
Inputs are time series of daily or sub-daily meteorological drivers (e.g. precipitation, air temperature, wind speed) | Inputs are time series of daily or sub-daily meteorological drivers (e.g. precipitation, air temperature, wind speed). | ||
Land-atmosphere fluxes, and the water and energy balances at the land surface, are simulated at a daily or sub-daily time step | Land-atmosphere fluxes, and the water and energy balances at the land surface, are simulated at a daily or sub-daily time step | ||
Water can only enter a grid cell via the atmosphere | Water can only enter a grid cell via the atmosphere | ||
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Time series of output variables for each grid cell (for the entire simulation period) are stored in files specific to that grid cell | Time series of output variables for each grid cell (for the entire simulation period) are stored in files specific to that grid cell | ||
Routing of stream flow is performed separately from the land surface simulation, using a separate model (typically the routing model of Lohmann et al., 1996 and 1998) | Routing of stream flow is performed separately from the land surface simulation, using a separate model (typically the routing model of Lohmann et al., 1996 and 1998) | ||
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{{Model keywords | |||
|Model keywords=global | |||
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{{Modeler information | |||
|First name=Dennis | |||
|Last name=Lettenmaier | |||
|Type of contact=Technical contact | |||
|Postal address 1=Dept. of Civil and Env. Engineering | |||
|Postal address 2=University of Washington, Box 352700 | |||
|Town / City=Seattle | |||
|Postal code=98195-2700 | |||
|Country=United States | |||
|State=Washington | |||
|Email address=vicadmin@hydro.washington.edu | |||
|Phone=206.685.1796 | |||
}} | }} | ||
{{Model technical information | {{Model technical information | ||
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|Code optimized=Single Processor | |Code optimized=Single Processor | ||
|Does model development still take place?=Yes | |Does model development still take place?=Yes | ||
|DevelopmentCode=Active | |||
|DevelopmentCodeYearChecked=2020 | |||
|Model availability=As code | |Model availability=As code | ||
|Source code availability=Through web repository | |Source code availability=Through web repository | ||
|Source web address=http://www.hydro.washington.edu/Lettenmaier/Models/VIC/Development/BetaTesting.shtml | |||
|Program license type=Other | |Program license type=Other | ||
}} | }} | ||
{{Input - Output description | {{Input - Output description | ||
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}} | }} | ||
{{Process description model | {{Process description model | ||
|Describe processes represented by the model=Land Cover and Soil | |Describe processes represented by the model=Land Cover and Soil Snow Model | ||
Snow Model | |||
Meteorology (Inputs, Distributed Precip, and Snow/Elevation Bands) | Meteorology (Inputs, Distributed Precip, and Snow/Elevation Bands) | ||
Frozen Soil (including Permafrost) | Frozen Soil (including Permafrost) | ||
Dynamic Lake/Wetland Model (new to 4.1.1) | Dynamic Lake/Wetland Model (new to 4.1.1) | ||
Flow Routing | Flow Routing | ||
|Describe key physical parameters and equations=Land Cover | |Describe key physical parameters and equations=Land Cover can subdivide each grid cell's land cover into arbitrary number of "tiles", each corresponding to the fraction of the cell covered by that particular land cover (e.g. coniferous evergreen forest, grassland, etc.) | ||
can subdivide each grid cell's land cover into arbitrary number of "tiles", each corresponding to the fraction of the cell covered by that particular land cover (e.g. coniferous evergreen forest, grassland, etc.) | |||
geographic locations or configurations of land cover types are not considered; VIC lumps all patches of same cover type into 1 tile | geographic locations or configurations of land cover types are not considered; VIC lumps all patches of same cover type into 1 tile | ||
Snow Model | Snow Model | ||
VIC considers snow in several forms: ground snow pack, snow in the vegetation canopy, and snow on top of lake ice. Main features: | VIC considers snow in several forms: ground snow pack, snow in the vegetation canopy, and snow on top of lake ice. Main features: | ||
Ground snow pack is quasi 2-layer; the topmost portion of the pack is considered separately for solving energy balance at pack surface | Ground snow pack is quasi 2-layer; the topmost portion of the pack is considered separately for solving energy balance at pack surface | ||
Meteorological Input Data | Meteorological Input Data | ||
Can use sub-daily met data (prcp, tair, wind) at intervals matching simulation time step | Can use sub-daily met data (prcp, tair, wind) at intervals matching simulation time step | ||
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Fluxes and storages from the bands are averaged together (weighted by area fraction) to give grid-cell average for writing to output files | Fluxes and storages from the bands are averaged together (weighted by area fraction) to give grid-cell average for writing to output files | ||
However, the band-specific values of some variables can be written separately in the output files | However, the band-specific values of some variables can be written separately in the output files | ||
Liang et al. (1999): set QUICK_FLUX to TRUE in global parameter file; this is the default for FULL_ENERGY = TRUE and FROZEN_SOIL = FALSE. | Liang et al. (1999): set QUICK_FLUX to TRUE in global parameter file; this is the default for FULL_ENERGY = TRUE and FROZEN_SOIL = FALSE. | ||
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By default, the nodes of the finite difference formulation are spaced linearly. | By default, the nodes of the finite difference formulation are spaced linearly. | ||
These apply to the case QUICK_FLUX = FALSE and FROZEN_SOIL = TRUE, i.e. the formulation of Cherkauer et al. (1999). | These apply to the case QUICK_FLUX = FALSE and FROZEN_SOIL = TRUE, i.e. the formulation of Cherkauer et al. (1999). | ||
}} | }} | ||
{{Model testing | {{Model testing | ||
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{{Users groups model | {{Users groups model | ||
|Do you have current or future plans for collaborating with other researchers?=https:// | |Do you have current or future plans for collaborating with other researchers?=https://mailman.u.washington.edu/mailman/listinfo/vic_users | ||
}} | }} | ||
{{Documentation model | {{Documentation model | ||
|Manual model available=No | |Manual model available=No | ||
}} | }} | ||
{{Additional comments model | {{Additional comments model | ||
|Comments=unsure what type of | |Comments=unsure what type of license | ||
}} | }} | ||
{{CSDMS staff part | |||
|OpenMI compliant=No but possible | |||
|IRF interface=No but possible | |||
|CMT component=No but possible | |||
|CCA component=No but possible | |||
}} | |||
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<!-- PLEASE USE THE "EDIT WITH FORM" BUTTON TO EDIT ABOVE CONTENTS; CONTINUE TO EDIT BELOW THIS LINE --> | <!-- PLEASE USE THE "EDIT WITH FORM" BUTTON TO EDIT ABOVE CONTENTS; CONTINUE TO EDIT BELOW THIS LINE --> | ||
==Introduction== | ==Introduction== | ||
== History == | == History == | ||
== | == References == | ||
<br>{{AddReferenceUploadButtons}}<br><br> | |||
{{#ifexist:Template:{{PAGENAME}}-citation-indices|{{{{PAGENAME}}-citation-indices}}|}}<br> | |||
{{Include_featured_references_models_cargo}}<br> | |||
== Issues == | == Issues == | ||
== Help == | == Help == | ||
{{#ifexist:Model_help:{{PAGENAME}}|[[Model_help:{{PAGENAME}}]]|}} | |||
== Input Files == | == Input Files == | ||
== Output Files == | == Output Files == | ||
Latest revision as of 20:16, 16 September 2020
VIC
Metadata
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Introduction
History
References
Nr. of publications: | 647 |
Total citations: | 39205 |
h-index: | 91 |
m-quotient: | 2.33 |
Featured publication(s) | Year | Model described | Type of Reference | Citations |
---|---|---|---|---|
Miller, James R.; Russell, Gary L.; Caliri, Guilherme; 1994. Continental-Scale River Flow in Climate Models. Journal of Climate, 7, 914–928. 10.1175/1520-0442(1994)0072.0.CO;2 (View/edit entry) | 1994 | GISS AOM VIC |
Model overview | 260 |
Liang, Xu; Wood, Eric F.; Lettenmaier, Dennis P.; 1996. Surface soil moisture parameterization of the VIC-2L model: Evaluation and modification. Global and Planetary Change, 13, 195–206. 10.1016/0921-8181(95)00046-1 (View/edit entry) | 1996 | VIC |
Model overview | 799 |
Nijssen, Bart; Lettenmaier, Dennis P.; Liang, Xu; Wetzel, Suzanne W.; Wood, Eric F.; 1997. Streamflow simulation for continental-scale river basins. Water Resources Research, 33, 711–724. 10.1029/96WR03517 (View/edit entry) | 1997 | VIC |
Model overview | 472 |
See more publications of VIC |