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| == CosmoLand ==
| | ==Introduction== |
| __TOC__
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| ===Introduction===
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| === History ===
| | == History == |
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| === Papers ===
| | == Papers == |
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| === CosmoLand Questionnaire === | | == Issues == |
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| ==== Contact Information ==== | | == Help == |
| {| class="wikitable"
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| | class="model_col1"| Model:
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| | class="model_col2"| CosmoLand
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| |-
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| | class="model_col1"| Contact person:
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| | class="model_col2"| Brian Yanites (model developer)
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| |-
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| | class="model_col1"| Institute:
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| | class="model_col2"| University of Colorado
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| |-
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| | class="model_col1"| City:
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| | class="model_col2"| Boulder, CO
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| |-
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| | class="model_col1"| Country:
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| | class="model_col2"| USA
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| |-
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| | class="model_col1"| Email:
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| | class="model_col2"| brian.yanites@colorado.edu
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| |-
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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 ==== | | == Input Files == |
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| {| class="wikitable"
| | == Output Files == |
| | class="model_col1"| Model type:
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| | class="model_col2"| Single model for the terrestrial domain.
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| |-
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| | class="model_col1"| Description:
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| | class="model_col2"| The model tracks both surface CRN concentration and concentration eroded off hillslopes into fluvial network in a simplified landscape undergoing both landslide erosion and more steady 'diffusive-like' erosion. Sediment mixing is allowed in the fluvial network. Code can be used to help successfully develop CRN sampling procedures in terrains where landslides are important.
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| |}
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| ==== Technical information ==== | | == Download == |
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| {| class="wikitable"
| | == Source == |
| | class="model_col1"| Supported platforms:
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| | class="model_col2"| Linux, Mac OS X, Windows
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| |-
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| | class="model_col1"| Programming language:
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| | class="model_col2"| Matlab
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| |-
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| | class="model_col1"| Model development started at:
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| | class="model_col2"| 2005 and ended in 2008
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| |-
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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
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| |-
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| | class="model_col1"| Current license type:
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| | class="model_col2"| --
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| |-
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| | class="model_col1"| Memory requirements:
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| | class="model_col2"| <512MB
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| |-
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| | class="model_col1"| Typical run time:
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| | class="model_col2"| Minutes to days
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| |}
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| ==== Input / Output description ==== | | === Command-Line Access === |
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| {| class="wikitable"
| | === GUI and IDE Access === |
| | class="model_col1"| Input parameters:
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| | class="model_col2"|
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| *Landslide: recurrence interval, size parameters
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| *Cosmogenic: production rate, decay rate, attenuation, density diffusive erosion rate drainage basin size, critical drainage area for a channel
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| *River channel scaling parameters: width, sediment depth, drainage density
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| |-
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| | class="model_col1"| Input format:
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| | class="model_col2"| Matlab .m file
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| |-
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| | class="model_col1"| Output parameters:
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| | class="model_col2"| Mass, atoms, landslide size, fluvial residence time, mixed mass and atoms fraction
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| |-
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| | class="model_col1"| Output format:
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| | class="model_col2"| .mat file
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| |-
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| | class="model_col1"| Post-processing software (if needed):
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| | class="model_col2"| no
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| |-
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| | class="model_col1"| Visualization software (if needed):
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| | class="model_col2"| Yes, Matlab
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| |}
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| ==== Process description ====
| | === Subversion Help === |
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| {| class="wikitable"
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| | class="model_col1"| Processes represented by model:
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| | class="model_col2"| Tracking of cosmogenic nuclides on surface and in fluvial system of a landslide dominated drainage basin
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| |-
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| | class="model_col1"| Key physical parameters & equations:
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| | class="model_col2"| Cosmogenic nuclide production decay with depth. Power-law distribution of landslide size. Calculates a fluvial storage reservoir.
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| |-
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| | class="model_col1"| Length scale & resolution constraints:
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| | class="model_col2"| Drainage basin size controls the length of the model runs. Cell size should not be increased to shorten model runs.
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| |-
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| | class="model_col1"| Time scale & resolution constraints:
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| | class="model_col2"| Yearly timesteps. Most runs go for 500,000 yrs or more.
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| |-
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| | class="model_col1"| Numerical limitations and issues :
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| | class="model_col2"| Matlab may max out memory if drainage basin is too large. Since this is a simplified landscape with wrap-around boundary conditions, one workaround is to do numerous smaller runs and add the output.
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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"| --
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| |-
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| | class="model_col1"| Available test data sets:
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| | class="model_col2"| --
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| |-
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| | class="model_col1"| Ideal data for testing:
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| | class="model_col2"| CRN data both hillslope and fluvial.
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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"| Not currently.
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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"| For reference see Yanites et al. (2008) Numerical and analytical models of cosmogenic radionuclide dynamics in landslide dominated drainage basins, JGR-Earth Surface, in press.
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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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| |-
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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"| --
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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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| ==== Command-Line Access ====
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| ==== GUI and IDE Access ====
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| ==== Subversion Help ====
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| [[Category:Terrestrial]] | | [[Category:Terrestrial]] |