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| == Erode == | | ==Introduction== |
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| ===Introduction=== | | == History == |
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| === History === | | == Papers == |
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| === Papers === | | == Issues == |
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| === Erode Questionnaire === | | == Help == |
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| ==== Contact Information ==== | | == Input Files == |
| {| class="wikitable"
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| | class="model_col1"| Model:
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| | class="model_col2"| Erode
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| | class="model_col1"| Contact person:
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| | class="model_col2"| Scott Peckham
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| | class="model_col1"| Institute:
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| | class="model_col2"| CSDMS, INSTAAR, University of Colorado
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| | class="model_col1"| City:
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| | class="model_col2"| Boulder, CO
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| | class="model_col1"| Country:
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| | class="model_col2"| USA
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| | class="model_col1"| Email:
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| | class="model_col2"| Scott.Peckham@colorado.edu
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| | class="model_col1"| 2nd person involved:
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| | class="model_col2"| --
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| |-
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| | class="model_col1"| 3rd person involved:
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| | class="model_col2"| --
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| |}
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| ==== Model description ==== | | == Output Files == |
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| {| class="wikitable"
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| | class="model_col1"| Model type:
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| | class="model_col2"| Modular model for the terrestrial domain.
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| | class="model_col1"| Description:
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| | class="model_col2"| Erode is a raster-based, fluvial landscape evolution model written in IDL.
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| |}
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| ==== Technical information ==== | | == Source == |
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| {| class="wikitable"
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| | class="model_col1"| Supported platforms:
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| | class="model_col2"| UNIX, Linux, Mac OSX, Windows
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| | class="model_col1"| Programming language:
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| | class="model_col2"| IDL
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| | class="model_col1"| Model development started at:
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| | class="model_col2"| 2003 and development still takes place.
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| | class="model_col1"| To what degree will the model become available:
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| | class="model_col2"| Source code will be available. Model also available as teaching tool, and as IDL SAV file (can run with free IDL VM)
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| | class="model_col1"| Current license type:
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| | class="model_col2"| Apache public license
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| | class="model_col1"| Memory requirements:
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| | class="model_col2"| Standard
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| | class="model_col1"| Typical run time:
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| | class="model_col2"| Hours to days
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| |}
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| ==== Input / Output description ====
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| {| class="wikitable"
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| | class="model_col1"| Input parameters:
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| | class="model_col2"| Initial land surface (several built-in options), number of timesteps, DEM grid dimensions, DEM grid cell dimensions, R = "geomorphic" rainrate (m/yr), U=uplift rate (mm/yr), BLR = base-level lowering rate (mm/yr), Kf="erodibility coefficient (m^3/yr)^(1-m), m = area/discharge exponent, n = slope exponent, p = area-discharge exponent, toggles for different types of boundary conditions (e.g. periodic), DEM georeferencing info (bounding box, pixel geometry, etc.)
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| | class="model_col1"| Input format:
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| | class="model_col2"| Command line
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| | class="model_col1"| Output parameters:
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| | class="model_col2"| A sequence of grids that represent DEMs at different times in the evolution. Saved in RTS (RiverTools Sequence) format with RTI file for georeferencing.
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| | class="model_col1"| Output format:
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| | class="model_col2"| Binary
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| | class="model_col1"| Post-processing software (if needed):
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| | class="model_col2"| Yes, RiverTools or a similar program can be used to create animations of the grid sequence.
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| | class="model_col1"| Visualization software (if needed):
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| | class="model_col2"| Yes, RiverTools
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| |}
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| ==== Process description ====
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| {| class="wikitable"
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| | class="model_col1"| Processes represented by model:
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| | class="model_col2"| Sediment transport (parameterized with slope and contributing area grids), rainfall, uplift, base-level lowering.
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| | class="model_col1"| Key physical parameters & equations:
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| | class="model_col2"| The main equations are:<br>
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| Q = R * A^p<br>
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| Qs = Kf * (Q^m) * (S^n),<br>
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| 2D mass conservation equations for water and sediment
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| | class="model_col1"| Length scale & resolution constraints:
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| | class="model_col2"| Typical grid cell dimensions are 10 to 500 meters.
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| | class="model_col1"| Time scale & resolution constraints:
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| | class="model_col2"| Typical simulated time is 1000 to 100,000 years.
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| | class="model_col1"| Numerical limitations and issues :
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| | class="model_col2"| D8 flow codes are used to compute contributing areas. Would be better to use D-Infinity or the Mass-Flux method.
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| |}
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| ==== Testing ====
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| {| class="wikitable"
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| | class="model_col1"| Available calibration data sets:
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| | class="model_col2"| None
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| | class="model_col1"| Available test data sets:
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| | class="model_col2"| None
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| | class="model_col1"| Ideal data for testing:
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| | class="model_col2"| Same as used for other LEMs, like [[Model:CHILD |CHILD]] and [[Model:MARSSIM|MARSSIM]].
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| |}
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| ==== User groups ====
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| {| class="wikitable"
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| | class="model_col1"| Currently or plans for collaborating with:
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| | class="model_col2"| See comments below.
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| |}
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| ==== Documentation ====
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| {| class="wikitable"
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| | class="model_col1"| Key papers of the model:
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| | class="model_col2"| None.
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| |-
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| | class="model_col1"| Is there a manual available:
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| | class="model_col2"| no
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| | class="model_col1"| Model website if any:
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| | class="model_col2"| --
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| |}
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| ==== Additional comments ====
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| {| class="wikitable"
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| | class="model_col1"| Comments:
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| | class="model_col2"| I currently have an NSF-CMG grant to work with Greg Tucker, Tom Manteuffel and Steve McCormick to find faster algorithms for this type of model.
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| |}
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| === Issues ===
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| === Help ===
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| === Input Files ===
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| === Output Files ===
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| === Download ===
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| === Source ===
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| [[Category:Terrestrial]] | | [[Category:Terrestrial]] |