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Also known as
Model type Tool
Model part of larger framework
Incorporated models or components:
Spatial dimensions 1D
Spatial extent Watershed-Scale
Model domain Terrestrial, Hydrology
One-line model description E-book: calculator for aggradation and degradation of sediment mixtures in gravel-bed streams
Extended model description This program computes the time evolution of the long profile of a river of constant width carrying a mixture of gravel sizes, the downstream end of which has a prescribed elevation. In particular, the program computes the time evolution of the spatial profiles of bed elevation, total gravel bedload transport rate and grain size distribution of the surface (active) layer of the bed. The river has constant width. The upstream point, at which sediment is fed, is fixed in the horizontal to be at x = 0. The vertical elevation of the upstream point may change freely as the bed aggrades or degrades. The reach has constant length L, so that the downstream point is fixed in the horizontal at x = L. This downstream point has a user-specified initial elevation hdI.

Gravel bedload transport of mixtures is computed with a user-specified selection of the Parker (1990), or Wilcock-Crowe (2003) surface-based formulations for gravel transport. Sand and finer material must first be excluded from the grain size distributions, which then must be renormalized for gravel content only, in the case of the Parker (1990) relation. In the case of the Wilcock-Crowe (2003) relation, the sand is retained in the computation.


bed profile evolution, fluvial morphodynamics,

Name Gary Parker
Type of contact Model developer
Institute / Organization University of Illinois at Urbana-Champaign
Postal address 1 205 North Mathews Ave
Postal address 2
Town / City Urbana
Postal code 61801
State Illinois
Country United States
Email address
Phone 217 244-5159

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


Other program language
Code optimized Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 1990
Does model development still take place? No
If above answer is no, provide end year model development 1991
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
Program license type Other
Program license type other --
Memory requirements --
Typical run time --

Describe input parameters --
Input format
Other input format
Describe output parameters --
Output format
Other output format
Pre-processing software needed? No
Describe pre-processing software
Post-processing software needed? No
Describe post-processing software
Visualization software needed? No
If above answer is yes
Other visualization software

Describe processes represented by the model --
Describe key physical parameters and equations --
Describe length scale and resolution constraints --
Describe time scale and resolution constraints --
Describe any numerical limitations and issues --

Describe available calibration data sets
Upload calibration data sets if available:
Describe available test data sets
Upload test data sets if available:
Describe ideal data for testing

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 More will be filled out soon (10/18/2010)

This part will be filled out by CSDMS staff

OpenMI compliant No but possible
BMI compliant Yes
WMT component No but possible
PyMT component
Is this a data component
DOI model 10.1594/IEDA/100086
For model version 0.1
Year version submitted 2011
Link to file
Can be coupled with:
Model info

  • Download AgDegNormGravMixPW version: 0.1
    Doi: 10.1594/IEDA/100086
Nr. of publications: 1
Total citations: 0
h-index: --"--" is not a number.
m-quotient: 0
Qrcode AgDegNormGravMixPW.png
Link to this page




Nr. of publications: 1
Total citations: 0
h-index: --"--" is not a number.
m-quotient: 0

Featured publication(s)YearModel describedType of ReferenceCitations
Parker, G.; 2011. AgDegNormGravMixPW, version 0.1.. , , 10.1594/IEDA/100086
(View/edit entry)
2011 AgDegNormGravMixPW

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Input Files

Output Files