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Model:CREST
From CSDMS
Revision as of 10:31, 27 September 2011 by
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Edit Model information
CREST
Metadata
Summary
Contact
Technical specs
In/Output
Process
Testing
Other
Component info
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
Continental, Regional-Scale
Model domain
One-line model description
The Coupled Routing and Excess STorage (CREST) model is a distributed hydrologic model developed to simulate the spatial and temporal variation of atmospheric, land surface, and subsurface water fluxes and storages by cell-to-cell simulation.
Extended model description
The Coupled Routing and Excess STorage (CREST) distributed hydrological model is a hybrid modeling strategy that was recently developed by the University of Oklahoma (
http://hydro.ou.edu
) and NASA SERVIR Project Team. CREST simulates the spatiotemporal variation of water and energy fluxes and storages on a regular grid with the grid cell resolution being user-defined, thereby enabling global- and regional-scale applications. The scalability of CREST simulations is accomplished through sub-grid scale representation of soil moisture storage capacity (using a variable infiltration curve) and runoff generation processes (using linear reservoirs). The CREST model was initially developed to provide online global flood predictions with relatively coarse resolution, but it is also applicable at small scales, such as single basins. This README file and the accompanying code concentrates on and tests the model at the small scale. The CREST Model can be forced by gridded potential evapotranspiration and precipitation datasets such as, satellite-based precipitation estimates, gridded rain gauge observations, remote sensing platforms such as weather radar, and quantitative precipitation forecasts from numerical weather prediction models. The representation of the primary water fluxes such as infiltration and routing are closely related to the spatially variable land surface characteristics (i.e., vegetation, soil type, and topography). The runoff generation component and routing scheme are coupled, thus providing realistic interactions between atmospheric, land surface, and subsurface water.
Keywords:
continental,
Name
Jiahu Wang
Type of contact
Technical contact
Institute / Organization
University of Oklahoma
Postal address 1
Center for Natural Hazard and Disaster Study, National Weather Center Suite 3630
Postal address 2
Town / City
Norman
Postal code
73019
State
Oklahoma
Country
USA
"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of
allowed values
for the "Country" property.
Email address
yanghong@ou.edu
Phone
+1-405-325-3644
Fax
Supported platforms
Unix, Linux
Other platform
Programming language
Fortran90
Other program language
Code optimized
Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development
2008
Does model development still take place?
Yes
If above answer is no, provide end year model development
Code development status
When did you indicate the 'code development status'?
Model availability
As code
Source code availability
(Or provide future intension)
Through web repository
Source web address
http://hydro.ou.edu/Model/CREST/CREST_downloads.html
Source csdms web address
Program license type
Other
Program license type other
--
Memory requirements
--
Typical run time
--
Describe input parameters
Input parameters:
DEM
Precipitation
Potential Evapotranspiration
Input format
ASCII, Binary
Other input format
Describe output parameters
CREST outputs consist of several variables, including:
storage depths of the vegetation canopy,
the three soil layers, and two linear reservoirs,
relative change of the six reservoir levels representing actual evapotranspiration from the canopy and soil layers,
overland and interflow excess rain,
overland and interflow runoff.
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
ESRI
Other visualization software
Describe processes represented by the model
Processes represented by CREST are: Canopy interception, excess rain and infiltration water, runoff, evapotranspiration
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
See:
http://hydro.ou.edu/model.html
Upload calibration data sets if available:
Describe available test data sets
See:
http://hydro.ou.edu/model.html
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?
Yes
Upload manual if available:
Media:CREST Readme v1.6 07 22 2010.pdf
Model website if any
http://hydro.ou.edu/Model/CREST/CREST_downloads.html
Model forum / discussion board
--
Comments
This form is fill out by Albert Kettner
This part will be filled out by CSDMS staff
OpenMI compliant
No but possible
BMI compliant
No but possible
WMT component
Not yet
"Not yet" is not in the list (Yes, In progress, No but possible, No not possible) of
allowed values
for the "Code CMT compliant or not" property.
PyMT component
Is this a data component
Can be coupled with:
Model info
Authors
Jiahu Wang
Source code
Go to external source code site
Model citations
Nr. of publications:
37
Total citations:
1469
h-index:
16
m-quotient:
1.23
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