Model:DredgeSlotBW: Difference between revisions

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|Categories=Hydrology, Terrestrial
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|Does model development still take place?=No
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|End year development=1991
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|Model availability=As code
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|Model website if any=http://vtchl.uiuc.edu/people/parkerg/morphodynamics_e-book.htm
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|DOI assigned to model version=1.0
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|DOI-year assigned to model version=2011
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|DOI-filelink=http://csdms.colorado.edu/pub/models/doi-source-code/stm-10.1594.IEDA.100182-1.0.tar.gz
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== Issues ==
== Issues ==

Latest revision as of 20:17, 16 September 2020



DredgeSlotBW


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 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 subject to cyclic hydrographs.
Extended model description This program calculates the 1D bed evolution of a sand-bed river after installation of a dredge slot. The calculation begins with the assumption of a prevailing mobile-bed normal flow equilibrium before installation of the dredge slot. The flow depth H, volume bedload transport rate per unit width qb and volume suspended transport rate per unit width qs at normal flow are computed based on input values of discharge Qww, channel width B, bed material sizes D50 and D90, sediment submerged specific gravity Rr and bed slope S.

The sediment is assumed to be sufficiently uniform so that D50 and D90 are unchanging in space and time. The input parameter Inter specifies the fraction of any year for which flood flow prevails. At other times of the year the river is assumed to be morphologically dormant.

The reach is assumed to have length L. The dredge slot is excavated at time t = 0, and then allowed to fill in time with no subsequent excavation. The depth of initial excavation below the bottom of the bed prevailing at normal equilibrium is an input variable with the name Hslot. The dredge slot extends from an upstream point equal to ru*L to a downstream point rd*Hslot, where ru and rd are user-input values.

The porosity lamp of the sediment deposit is a user-input parameter.

The bedload transport relation used in the calculation is that of Ashida and Michiue (1972). The formulation for entrainment of sediment into suspension is that of Wright and Parker (2004). The formulation for flow resistance is that of Wright and Parker (2004). The flow stratification correction of Wright-Parker is not implemented here for simplicity. A quasi-equilibrium formulation is used to computed the transport rate of suspended sediment from the entrainment rate.

A backwater calculation is used to compute the flow. The water surface elevation at the downstream end of the reach is held constant at the value associated with normal flow equilibrium.

Iteration is required to compute: a) the flow depth prevailing at normal flow; b) the friction slope and depth prevailing at normal flow, b) the friction slope and depth associated with skin friction associated with skin friction from any given value of depth, and b) the minimum Shields number below which form drag is taken to vanish.

Keywords:

bed 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 parkerg@illinois.edu
Phone 217 244-5159
Fax


Supported platforms
Linux, Mac OS, Windows
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 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 https://github.com/csdms-contrib/stm
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 http://hydrolab.illinois.edu/people/parkerg/morphodynamics_e-book.htm
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/100112
For model version 1.0
Year version submitted 2011
Link to file https://csdms.colorado.edu/pub/models/doi-source-code/stm-10.1594.IEDA.100182-1.0.tar.gz
Can be coupled with:
Model info
Authors
Gary Parker
Source code
DOI

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

Link to this page
Other models by author




Introduction

History

References



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. DredgeSlotBW, version 1.0.. , , https://csdms.colorado.edu/pub/models/doi-source-code/stm-10.1594.IEDA.100182-1.0.tar.gz. 10.1594/IEDA/100112
(View/edit entry)		2011 DredgeSlotBW
 Source code ref. 0
See more publications of DredgeSlotBW


Issues

Help

Model_help:DredgeSlotBW

Input Files

Output Files

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