Model:GullyErosionProfiler1D: Difference between revisions
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|Spatialscale=Reach-Scale | |Spatialscale=Reach-Scale | ||
|One-line model description=This model is designed to simulate longitudinal profiles with headward advancing headcuts. | |One-line model description=This model is designed to simulate longitudinal profiles with headward advancing headcuts. | ||
|Extended model description=This model is designed to simulate longitudinal profiles with headward advancing headcuts. This model simulates gully erosion on the centennial-scale given information such as average rainfall and infiltration rates. The modeler also specifies a headcut erosion rate and or a rule for headcut retreat (either discharge-dependent or height-dependent retreat). | |Extended model description=This model is designed to simulate longitudinal profiles with headward advancing headcuts. This model simulates gully erosion on the centennial-scale given information such as average rainfall and infiltration rates. The modeler also specifies a headcut erosion rate and or a rule for headcut retreat (either discharge-dependent or height-dependent retreat). | ||
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{{Start model keyword table}} | {{Start model keyword table}} | ||
{{Model keywords | {{Model keywords | ||
|Model keywords=Gully | |Model keywords=Gully | ||
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{{Model keywords | {{Model keywords | ||
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|Nr of distributed processors= | |Nr of distributed processors= | ||
|Nr of shared processors= | |Nr of shared processors= | ||
|Start year development=2012 | |||
|Does model development still take place?=No | |Does model development still take place?=No | ||
|End year development=2012 | |End year development=2012 | ||
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|Source code availability=Through CSDMS repository | |Source code availability=Through CSDMS repository | ||
|Source web address= | |Source web address= | ||
|ViewVC web address=http://csdms.colorado.edu/viewvc/gullyerosionprofiler1d/ | |||
|Program license type=GPL v2 | |Program license type=GPL v2 | ||
|Program license type other= | |Program license type other= | ||
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One additional input: | One additional input: | ||
One must supply the input length of the channel as a matlab data array called xcell.mat | One must supply the input length of the channel as a matlab data array called xcell.mat | ||
|Input format=ASCII | |Input format=ASCII | ||
|Describe output parameters=The output are elevation values that represent the gully channel profile. | |Describe output parameters=The output are elevation values that represent the gully channel profile. | ||
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{{Process description model | {{Process description model | ||
|Describe processes represented by the model=This code will erode cells according to a shear stress and also deposit sediment based on the concentration of sediment in a modeled water column. Additionally it has a headcut that migrates upstream and as the headcut erodes it deposits sediment downstream that the model must erode. | |Describe processes represented by the model=This code will erode cells according to a shear stress and also deposit sediment based on the concentration of sediment in a modeled water column. Additionally it has a headcut that migrates upstream and as the headcut erodes it deposits sediment downstream that the model must erode. | ||
|Describe key physical parameters and equations=manning's n for vegetation | |Describe key physical parameters and equations=manning's n for vegetation | ||
manning's n for soil | manning's n for soil | ||
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infiltration | infiltration | ||
|Describe length scale and resolution constraints=This works for channels of hundreds of meters with 1 m cells | |Describe length scale and resolution constraints=This works for channels of hundreds of meters with 1 m cells | ||
|Describe time scale and resolution constraints=It is typically run for times no less than 25 years and no greater than 700 years. | |Describe time scale and resolution constraints=It is typically run for times no less than 25 years and no greater than 700 years. | ||
|Describe any numerical limitations and issues=Numerical instabilities occur if the time step is too large. | |Describe any numerical limitations and issues=Numerical instabilities occur if the time step is too large. | ||
}} | }} |
Revision as of 08:06, 28 July 2014
GullyErosionProfiler1D
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Introduction
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References
Source code
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