Model:GOLEM: Difference between revisions

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{{Infobox Model
{{Model identity
|model name              = GOLEM
|Model type=Single
|developer                = '''Tucker''', Greg
|one-line-description    = Landscape evolution model
|type                     = Model
|source                  = <linkedimage>wikipage=Model:GOLEM
tooltip=Download GOLEM
img_src=Yellow1.png</linkedimage>
}}
}}
{{Start models incorporated}}
{{End a table}}
{{Model identity2
|ModelDomain=Terrestrial
|Spatial dimensions=2D
|One-line model description=Landscape evolution model
|Extended model description=Landscape evolution model. Computes evolution of topography under the action of rainfall and tectonics.
}}
{{Start model keyword table}}
{{Model keywords
|Model keywords=landscape evolution
}}
{{End a table}}
{{Modeler information
|First name=Greg
|Last name=Tucker
|Type of contact=Model developer
|Institute / Organization=University of Colorado
|Postal address 1=CIRES & Dept. Geological Sciences
|Postal address 2=Campus Box 399
|Town / City=Boulder
|Postal code=80309-0399
|Country=United States
|State=Colorado
|Email address=Gregory.Tucker@colorado.edu
|Phone=+1 303 492 6985
|Fax=+1 303 492 2606
}}
{{Model technical information
|Supported platforms=Unix, Linux, Mac OS
|Programming language=C
|Code optimized=Single Processor
|Start year development=1991
|Does model development still take place?=Yes
|DevelopmentCode=As is, no updates are provided
|DevelopmentCodeYearChecked=2020
|Model availability=As code
|Source code availability=Through CSDMS repository
|Source csdms web address=https://github.com/csdms-contrib/golem
|Program license type=GPL v2
|Memory requirements=Variable
|Typical run time=minutes to days
}}
{{Input - Output description
|Describe input parameters=Standard input parameter files (ascii). For some conditions, also require additional binary file specifying boundary configuration.
|Input format=ASCII, Binary
|Describe output parameters=Elevation, drainage area, and related gridded information.
|Output format=ASCII
|Pre-processing software needed?=No
|Post-processing software needed?=No
|Visualization software needed?=Yes
|If above answer is yes=IDL, Matlab
|Other visualization software=some visualization scripts for IDL and Matlab available.
}}
{{Process description model
|Describe processes represented by the model=Runoff, hillslope and channel sediment transport.
|Describe key physical parameters and equations=Key state variables include surface elevation, soil thickness, and discharge.
|Describe length scale and resolution constraints=Has been used on scales from small (few km2) watersheds to sub-continental areas.
|Describe time scale and resolution constraints=Designed for time scales over which topography changes appreciably, which might be years for badlands, up to thousands or millions of years for other landscapes.
|Describe any numerical limitations and issues=Equation set is still and uses robust but relatively inefficient solvers. Recommend testing with coarse grid resolutions (say, 20x20 cells) before attempting larger/finer grids.
}}
{{Model testing
|Describe available calibration data sets=Few or none, unfortunately
|Describe ideal data for testing=See: Tucker, G.E. (2009) Natural experiments in landscape evolution. Earth Surface Processes and Landforms, v. 34, p. 1450-1460, doi:[http://dx.doi.org/10.1002/esp.1833 10.1002/esp.1833].
}}
{{Users groups model
|Do you have current or future plans for collaborating with other researchers?=--
}}
{{Documentation model
|Manual model available=Yes
|Model website if any=http://geode.colorado.edu/~gtucker/Software/Golem/GolemMain.html
}}
{{Additional comments model
|Comments=GOLEM was written in the 1990s by one of the creators of CHILD. Although it lacks many of the special capabilities of CHILD, it has a simpler, more compact code base (just a single C source file) and uses a raster grid data structure.
}}
{{CSDMS staff part
|OpenMI compliant=No but possible
|IRF interface=No but possible
|CMT component=No but possible
|CCA component=No but possible
}}
{{DOI information
|DOI model=10.1594/IEDA/100132
|DOI assigned to model version=5:14
|DOI-year assigned to model version=2011
|DOI-filelink=https://csdms.colorado.edu/pub/models/doi-source-code/golem-10.1594.IEDA.100132-5.14.tar.gz
}}
{{Start coupled table}}
{{End a table}}
{{End headertab}}
{{{{PAGENAME}}_autokeywords}}
<!-- Edit the part above to update info on other papers -->
<!-- Edit the part above to update info on other papers -->


== GOLEM ==
__TOC__
===Introduction===
=== History ===
=== Papers ===
=== GOLEM Questionnaire ===
==== Contact Information ====
{| class="wikitable"
| class="model_col1"| Model:
| class="model_col2"| GOLEM
|-
| class="model_col1"| Contact person:
| class="model_col2"| Greg Tucker
|-
| class="model_col1"| Institute:
| class="model_col2"| CIRES & Dept. Geological Sciences, Univ. of Colorado
|-
| class="model_col1"| City:
| class="model_col2"| Boulder, CO
|-
| class="model_col1"| Country:
| class="model_col2"| USA
|-
| class="model_col1"| Email:
| class="model_col2"| Gregory.Tucker@colorado.edu
|-
| class="model_col1"| 2nd person involved:
| class="model_col2"| --
|-
| class="model_col1"| 3rd person involved:
| class="model_col2"| --
|}
==== Model description ====
{| class="wikitable" 
| class="model_col1"| Model type:
| class="model_col2"| Single model for the terrestrial domain.
|-
| class="model_col1"| Description:
| class="model_col2"| Landscape evolution model. Computes evolution of topography under the action of rainfall and tectonics.
|}
==== Technical information ====
{| class="wikitable" 
| class="model_col1"| Supported platforms:
| class="model_col2"| UNIX, Linux, Mac OSX
|-
| class="model_col1"| Programming language:
| class="model_col2"| C
|-
| class="model_col1"| Model was developed started from:
| class="model_col2"| 1991 and development still takes place
|-
| class="model_col1"| To what degree will the model become available:
| class="model_col2"| As code
|-
| class="model_col1"| Current license type:
| class="model_col2"| GPL v.2
|-
| class="model_col1"| Memory requirements:
| class="model_col2"| variable
|-
| class="model_col1"| Typical run time:
| class="model_col2"| minutes to days
|}
==== Input / Output description ====
{| class="wikitable" 
| class="model_col1"| Input parameters:
| class="model_col2"| Standard input parameter files (ascii). For some conditions, also require additional binary file specifying boundary configuration.
|-
| class="model_col1"| Input format:
| class="model_col2"| ASCII, Binary
|-
| class="model_col1"| Output parameters:
| class="model_col2"| Elevation, drainage area, and related gridded information.   
|-
| class="model_col1"| Output format:
| class="model_col2"| ASCII
|-
| class="model_col1"| Post-processing software (if needed):
| class="model_col2"| no
|-
| class="model_col1"| Visualization software (if needed):
| class="model_col2"| yes, some visualization scripts for IDL and Matlab available.
|}
==== Process description ====
{| class="wikitable" 
| class="model_col1"| Processes represented by model:
| class="model_col2"| Runoff, hillslope and channel sediment transport.
|-
| class="model_col1"| Key physical parameters & equations:
| class="model_col2"| Key state variables include surface elevation, soil thickness, and discharge.
|-
| class="model_col1"| Length scale & resolution constraints:
| class="model_col2"| Has been used on scales from small (few km2) watersheds to sub-continental areas.
|-
| class="model_col1"| Time scale & resolution constraints:
| class="model_col2"| Designed for time scales over which topography changes appreciably, which might be years for badlands, up to thousands or millions of years for other landscapes.
|-
| class="model_col1"| Numerical limitations and issues :
| class="model_col2"| Equation set is still and uses robust but relatively inefficient solvers. Recommend testing with coarse grid resolutions (say, 20x20 cells) before attempting larger/finer grids.
|}
==== Testing ====
{| class="wikitable" 
| class="model_col1"| Available calibration data sets:
| class="model_col2"| Few or none, unfortunately
|-
| class="model_col1"| Available test data sets:
| class="model_col2"| --
|-
| class="model_col1"| Ideal data for testing:
| class="model_col2"| See paper on geomorphic natural experiments by Tucker (in review, 2008)
|}
==== User groups ====
{| class="wikitable" 
| class="model_col1"| Currently or plans for collaborating with:
| class="model_col2"| --
|}
==== Documentation ====
{| class="wikitable" 
| class="model_col1"| Key papers of the model:
| class="model_col2"|
*Tucker, G.E., and Whipple, K.X. (2002) Topographic outcomes predicted by stream erosion models: Sensitivity analysis and intermodel comparison, Journal of Geophysical Research, v. 107, no. B9, 2179, doi:10.1029/2001JB000162.
*Tucker, G.E., and Bras, R.L. (1998) Hillslope Processes, Drainage Density, and Landscape Morphology: Water Resources Research, vol. 34, p. 2751-2764.
*Tucker, G.E., and Slingerland, R.L. (1997) Drainage Basin Responses to Climate Change: Water Resources Research, vol. 33, p. 2031-2047.
*Tucker, G.E., and Slingerland, R.L. (1996) Predicting Sediment Flux from Fold and Thrust Belts: Basin Research, vol. 8, p. 329-349.
*Tucker, G.E., and Slingerland, R.L. (1994) Erosional Dynamics, Flexural Isostasy, and Long-Lived Escarpments. Journal of Geophysical Research, vol. 99, p. 12,229-12,243.
|-
| class="model_col1"| Is there a manual available:
| class="model_col2"| yes
|-
| class="model_col1"| Model website if any:
| class="model_col2"| [http://www.colorado.edu/geolsci/gtucker/Software/Golem/GolemMain.html http://www.colorado.edu/geolsci/gtucker/Software/Golem/GolemMain.html]
|}
==== Additional comments ====
{| class="wikitable" 
| class="model_col1"| Comments:
| class="model_col2"| GOLEM was written in the 1990s by one of the creators of CHILD. Although it lacks many of the special capabilities of CHILD, it has a simpler, more compact code base (just a single C source file) and uses a raster grid data structure.
|}
=== Issues ===


=== Help ===


=== Input Files ===
==Introduction==


=== Output Files ===
== History ==


=== Download ===
== References  ==
You can download the source code at:<br>
<br>{{AddReferenceUploadButtons}}<br><br>
http://www.colorado.edu/geolsci/gtucker/Software/Golem/GolemMain.html
{{#ifexist:Template:{{PAGENAME}}-citation-indices|{{{{PAGENAME}}-citation-indices}}|}}<br>
{{Include_featured_references_models_cargo}}<br>


== Issues ==


=== Source ===
== Help ==
{{#ifexist:Model_help:{{PAGENAME}}|[[Model_help:{{PAGENAME}}]]|}}


== Input Files ==


[[Category:Terrestrial]]
== Output Files ==

Latest revision as of 20:15, 16 September 2020



GOLEM


Metadata

Also known as
Model type Single
Model part of larger framework
Note on status model
Date note status model
Incorporated models or components:
Spatial dimensions 2D
Spatial extent
Model domain Terrestrial
One-line model description Landscape evolution model
Extended model description Landscape evolution model. Computes evolution of topography under the action of rainfall and tectonics.
Keywords:

landscape evolution,

Name Greg Tucker
Type of contact Model developer
Institute / Organization University of Colorado
Postal address 1 CIRES & Dept. Geological Sciences
Postal address 2 Campus Box 399
Town / City Boulder
Postal code 80309-0399
State Colorado
Country United States
Email address Gregory.Tucker@colorado.edu
Phone +1 303 492 6985
Fax +1 303 492 2606


Supported platforms
Unix, Linux, Mac OS
Other platform
Programming language

C

Other program language
Code optimized Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 1991
Does model development still take place? Yes
If above answer is no, provide end year model development
Code development status As is, no updates are provided
When did you indicate the 'code development status'? 2020
Model availability As code
Source code availability
(Or provide future intension) 		Through CSDMS repository
Source web address
Source csdms web address https://github.com/csdms-contrib/golem
Program license type GPL v2
Program license type other
Memory requirements Variable
Typical run time minutes to days


Describe input parameters Standard input parameter files (ascii). For some conditions, also require additional binary file specifying boundary configuration.
Input format ASCII, Binary
Other input format
Describe output parameters Elevation, drainage area, and related gridded information.
Output format ASCII
Other output format
Pre-processing software needed? No
Describe pre-processing software
Post-processing software needed? No
Describe post-processing software
Visualization software needed? Yes
If above answer is yes IDL, Matlab
Other visualization software some visualization scripts for IDL and Matlab available.


Describe processes represented by the model Runoff, hillslope and channel sediment transport.
Describe key physical parameters and equations Key state variables include surface elevation, soil thickness, and discharge.
Describe length scale and resolution constraints Has been used on scales from small (few km2) watersheds to sub-continental areas.
Describe time scale and resolution constraints Designed for time scales over which topography changes appreciably, which might be years for badlands, up to thousands or millions of years for other landscapes.
Describe any numerical limitations and issues Equation set is still and uses robust but relatively inefficient solvers. Recommend testing with coarse grid resolutions (say, 20x20 cells) before attempting larger/finer grids.


Describe available calibration data sets Few or none, unfortunately
Upload calibration data sets if available:
Describe available test data sets
Upload test data sets if available:
Describe ideal data for testing [[Describe ideal data::See: Tucker, G.E. (2009) Natural experiments in landscape evolution. Earth Surface Processes and Landforms, v. 34, p. 1450-1460, doi:10.1002/esp.1833.]]


Do you have current or future plans for collaborating with other researchers? --
Is there a manual available? Yes
Upload manual if available:
Model website if any http://geode.colorado.edu/~gtucker/Software/Golem/GolemMain.html
Model forum / discussion board
Comments GOLEM was written in the 1990s by one of the creators of CHILD. Although it lacks many of the special capabilities of CHILD, it has a simpler, more compact code base (just a single C source file) and uses a raster grid data structure.


This part will be filled out by CSDMS staff

OpenMI compliant No but possible
BMI compliant No but possible
WMT component No but possible
PyMT component
Is this a data component
DOI model 10.1594/IEDA/100132
For model version 5:14
Year version submitted 2011
Link to file https://csdms.colorado.edu/pub/models/doi-source-code/golem-10.1594.IEDA.100132-5.14.tar.gz
Can be coupled with:
Model info
Authors
Greg Tucker
Source code
DOI

Model citations
Nr. of publications: 8
Total citations: 1858
h-index: 5
m-quotient: 0.17
QR-code
Qrcode GOLEM.png
Link to this page
Other models by author




Introduction

History

References



Nr. of publications: 8
Total citations: 1858
h-index: 5
m-quotient: 0.17



Featured publication(s)YearModel describedType of ReferenceCitations
Tucker, Gregory E.; Slingerland, Rudy L.; 1994. Erosional dynamics, flexural isostasy, and long-lived escarpments: A numerical modeling study. Journal of Geophysical Research: Solid Earth, 99, 12229–12243. 10.1029/94JB00320
(View/edit entry)		1994 GOLEM
 Model overview 457
See more publications of GOLEM


Issues

Help

Input Files

Output Files

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