Model:Area-Slope Equation Calculator: Difference between revisions

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{{Model identity
|Model type=Tool
}}
{{Start models incorporated}}
{{End a table}}
{{Model identity2
|ModelDomain=Terrestrial, Hydrology
|Spatial dimensions=2D
|Spatialscale=Landscape-Scale, Watershed-Scale
|One-line model description=Pixel scale Area-Slope equation calculator
|Extended model description=Traditionally the Area-Slope equation (S=cA^alpha) is extracted from a catchment area vs. slope plot. This model calculate the Area-Slope constant and coefficient (alpha) for each pixel at the catchment as a function of its downslope neighbor.
}}
{{Start model keyword table}}
{{Model keywords
|Model keywords=geomorphologic
}}
{{Model keywords
|Model keywords=catchment
}}
{{End a table}}
{{Modeler information
{{Modeler information
|First name=Sagy
|First name=Sagy
|Last name=Cohen
|Last name=Cohen
|Type of contact=Model developer
|Type of contact=Model developer
|Institute / Organization=The University of Newcastle
|Institute / Organization=CSDMS, University of Colorado
|Town / City=Callaghan
|Postal address 1=1560 30th Street
|Postal code=2308
|Town / City=Boulder
|State=NO STATE
|Postal code=80309
|Country=Australia
|Country=United States
|Email address=sagy.cohen@uon.edu.au
|State=Colorado
|Email address=sagy.cohen@colorado.edu
}}
}}
{{Additional modeler information
{{Additional modeler information
|Additional first name=Garry
|Additional first name=Garry
|Additional last name=Willgoose
|Additional last name=Willgoose
|Additional type of contact=Model developer
}}
}}
{{Additional modeler information
{{Additional modeler information
|Additional first name=Greg
|Additional first name=Greg
|Additional last name=Hancock
|Additional last name=Hancock
|Additional type of contact=Model developer
}}
{{Model identity
|Model type=Modular
|Categories=Hydrology, Terrestrial
|Spatial dimensions=2D
|Spatialscale=Landscape-Scale, Watershed-Scale
|One-line model description=Pixel scale Area-Slope equation calculator
|Extended model description=Traditionally the Area-Slope equation (S=cA^alpha) is extracted from a catchment area vs. slope plot. This model calculate the Area-Slope constant and coefficient (alpha) for each pixel at the catchment as a function of its downslope neighbor.
}}
}}
{{Model technical information
{{Model technical information
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|Does model development still take place?=No
|Does model development still take place?=No
|End year development=2009
|End year development=2009
|DevelopmentCode=As is, no updates are provided
|DevelopmentCodeYearChecked=2020
|Model availability=As code
|Model availability=As code
|Source code availability=Through CSDMS repository
|Source code availability=Through CSDMS repository
|Source csdms web address=https://github.com/csdms-contrib/area-slope_equation_calculator
|Program license type=Other
|Program license type=Other
|Program license type other=--
|Program license type other=--
|OpenMI compliant=No but possible
|CCA component=No but possible
|IRF interface=No but possible
|Memory requirements=--
|Memory requirements=--
|Typical run time=Minutes
|Typical run time=Minutes
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{{Model testing
{{Model testing
|Describe available calibration data sets=Cohen, S., G. Willgoose, and G. Hancock (2008), A methodology for calculating the spatial distribution of the area-slope equation and the hypsometric integral within a catchment, J. Geophys. Res., 113, F03027, doi:10.1029/2007JF000820.
|Describe available calibration data sets=Cohen, S., G. Willgoose, and G. Hancock (2008), A methodology for calculating the spatial distribution of the area-slope equation and the hypsometric integral within a catchment, J. Geophys. Res., 113, F03027, doi:10.1029/2007JF000820.
|Model test data=Area demo.txt, Slope demo.txt, Flowdir demo.txt,  
|Model test data=Area demo.txt, Slope demo.txt, Flowdir demo.txt,
|Describe ideal data for testing=Reasonable relief catchment.
|Describe ideal data for testing=Reasonable relief catchment.
}}
}}
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}}
}}
{{Documentation model
{{Documentation model
|Provide key papers on model if any=Cohen, S., G. Willgoose, and G. Hancock (2008), A methodology for calculating the spatial distribution of the area-slope equation and the hypsometric integral within a catchment, J. Geophys. Res., 113, F03027, doi:10.1029/2007JF000820.
|Manual model available=No
|Manual model available=No
}}
}}
{{Additional comments model}}
{{Additional comments model
{{Infobox Model
|Comments=Run this model via MATLAB
|model name              = Area-Slope Equation Calculator
}}
|developer                = '''Cohen''', Sagy
{{CSDMS staff part
|one-line-description    = Pixel scale Area-Slope equation calculator
|OpenMI compliant=No but possible
|type                    = Model
|IRF interface=No but possible
|source                  = [[image:Red1.png]]
|CMT component=No but possible
|CCA component=No but possible
}}
{{DOI information
|DOI model=10.1594/IEDA/100090
|DOI assigned to model version=0.1
|DOI-year assigned to model version=2011
|DOI-filelink=https://csdms.colorado.edu/pub/models/doi-source-code/area-slope_equation_calculator-10.1594.IEDA.100090-0.1.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 -->


==Introduction==
==Introduction==
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== History ==
== History ==


== Papers ==
== 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}}]]|}}
If you need help just send me an email to
sagy.cohen@uon.edu.au
== Input Files ==
== Input Files ==


== Output Files ==
== Output Files ==
== Download ==
== Source ==
[[Category:Source code not available]]

Latest revision as of 19:16, 16 September 2020



Area-Slope Equation Calculator


Metadata

Also known as
Model type Tool
Model part of larger framework
Note on status model
Date note status model
Incorporated models or components:
Spatial dimensions 2D
Spatial extent Landscape-Scale, Watershed-Scale
Model domain Terrestrial, Hydrology
One-line model description Pixel scale Area-Slope equation calculator
Extended model description Traditionally the Area-Slope equation (S=cA^alpha) is extracted from a catchment area vs. slope plot. This model calculate the Area-Slope constant and coefficient (alpha) for each pixel at the catchment as a function of its downslope neighbor.
Keywords:

geomorphologic, catchment,

Name Sagy Cohen
Type of contact Model developer
Institute / Organization CSDMS, University of Colorado
Postal address 1 1560 30th Street
Postal address 2
Town / City Boulder
Postal code 80309
State Colorado
Country United States
Email address sagy.cohen@colorado.edu
Phone
Fax


Name Garry Willgoose
Type of contact
Institute / Organization
Postal address 1
Postal address 2
Town / City
Postal code
State
Country
Email address
Phone
Fax


Name Greg Hancock
Type of contact
Institute / Organization
Postal address 1
Postal address 2
Town / City
Postal code
State
Country
Email address
Phone
Fax


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

Matlab

Other program language
Code optimized Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 2006
Does model development still take place? No
If above answer is no, provide end year model development 2009
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/area-slope_equation_calculator
Program license type Other
Program license type other --
Memory requirements --
Typical run time Minutes


Describe input parameters Three input maps at ESRI ASCII format:
  1. Flow Direction (ArcGIS format);
  2. Contributing Area (Flow Accumulation-ArcGIS format);
  3. Slope (ArcGIS format);
Input format ASCII
Other input format
Describe output parameters Two output maps ESRI ASCII format:
  1. Alpha (coefficient);
  2. Constant.
Output format ASCII
Other output format
Pre-processing software needed? Yes
Describe pre-processing software ArcGIS for calculating Area, Slope and D8 Flow direction
Post-processing software needed? Yes
Describe post-processing software ArcGIS or other to convert ASCII output to map.
Visualization software needed? Yes
If above answer is yes ESRI, Matlab
Other visualization software


Describe processes represented by the model Extract c and alpha from:

Slope=cArea^alpha For more details: Cohen, S., G. Willgoose, and G. Hancock (2008), A methodology for calculating the spatial distribution of the area-slope equation and the hypsometric integral within a catchment, J. Geophys. Res., 113, F03027, doi:10.1029/2007JF000820.

Describe key physical parameters and equations --
Describe length scale and resolution constraints Computer memory.
Describe time scale and resolution constraints --
Describe any numerical limitations and issues Artificially limit the alpha values between 2 and -2 and the constant values between 0 and 2.

Done so to avoid extreme outliers.


Describe available calibration data sets Cohen, S., G. Willgoose, and G. Hancock (2008), A methodology for calculating the spatial distribution of the area-slope equation and the hypsometric integral within a catchment, J. Geophys. Res., 113, F03027, doi:10.1029/2007JF000820.
Upload calibration data sets if available:
Describe available test data sets
Upload test data sets if available: Media:Area demo.txt, Media:Slope demo.txt, Media:Flowdir demo.txt
Describe ideal data for testing Reasonable relief catchment.


Do you have current or future plans for collaborating with other researchers? --
Is there a manual available? No
Upload manual if available:
Model website if any
Model forum / discussion board
Comments Run this model via MATLAB


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/100090
For model version 0.1
Year version submitted 2011
Link to file https://csdms.colorado.edu/pub/models/doi-source-code/area-slope_equation_calculator-10.1594.IEDA.100090-0.1.tar.gz
Can be coupled with:
Model info
Authors
Sagy Cohen
Willgoose, Hancock
Source code
DOI

  • Download Area-Slope Equation Calculator version: 0.1
    Doi: 10.1594/IEDA/100090
Model citations
Nr. of publications: 2
Total citations: 61
h-index: 1
m-quotient: 0.06
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Link to this page
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Introduction

History

References



Nr. of publications: 2
Total citations: 61
h-index: 1
m-quotient: 0.06



Featured publication(s)YearModel describedType of ReferenceCitations
Cohen, S.; Willgoose, G.; Hancock, G. 2011. Area-Slope Equation Calculator, version 0.1.. , , https://csdms.colorado.edu/pub/models/doi-source-code/area-slope_equation_calculator-10.1594.IEDA.100090-0.1.tar.gz. 10.1594/IEDA/100090
(View/edit entry)		2011 Area-Slope Equation Calculator
 Source code ref. 0
See more publications of Area-Slope Equation Calculator


Issues

Help

If you need help just send me an email to 

sagy.cohen@uon.edu.au

Input Files

Output Files

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