[721] - Proof-of-concept of regional scale hydrologic simulations at hydrologic resolution utilizing massively parallel computer resources

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Citation
Kollet, S., Maxwell, R. M., Woodward, C. S., Smith, S., Vanderborght, J., Vereecken, H., Simmer, C., 2010. Proof-of-concept of regional scale hydrologic simulations at hydrologic resolution utilizing massively parallel computer resources. Water Ressorces Research, 46, 1 - 7. DOI: 10.1029/2009WR008730.
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Identification
Title(s):Main Title: Proof-of-concept of regional scale hydrologic simulations at hydrologic resolution utilizing massively parallel computer resources
Description(s):Abstract: We present the results of a unique, parallel scaling study using a 3‐D variably saturated flow problem including land surface processes that ranges from a single processor to a maximum number of 16,384 processors. In the applied finite difference framework and for a fixed problem size per processor, this results in a maximum number of approximately 8 × 109 grid cells (unknowns). Detailed timing information shows that the applied simulation platform ParFlow exhibits excellent parallel efficiency. This study demonstrates that regional scale hydrologic simulations on the order of 103 km2 are feasible at hydrologic resolution (∼100–101 m laterally, 10−2–10−1 m vertically) with reasonable computation times, which has been previously assumed to be an intractable computational problem.
Identifier(s):DOI: 10.1029/2009WR008730
Responsible Party
Creator(s):Author: Stefan Kollet
Author: Reed M. Maxwell
Author: Carol S. Woodward
Author: Steve Smith
Author: Jan Vanderborght
Author: Harry Vereecken
Author: Clemens Simmer
Publisher:American Geophysical Union
Topic
TR32 Topic:Other
Subject(s):CRC/TR32 Keywords: Hydrological Modelling, Numerical Simulation
File Details
File Name:2010_Kollet_WaterResourRes.pdf
Data Type:Text
Size(s):7 Pages
File Size:582 kB (0.568 MB)
Date(s):Date Accepted: 2010-02-15
Issued: 2010-04-20
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
Constraints
Download Permission:OnlyTR32
General Access and Use Conditions:For internal use only
Access Limitations:For internal use only
Licence:TR32DB Data policy agreement
Geographic
North:-no map data
East:-
South:-
West:-
Measurement Region:None
Measurement Location:--None--
Specific Informations - Publication
Status:Published
Review:PeerReview
Year:2010
Type:Article
Article Type:Journal
Source:Water Ressorces Research
Volume:46
Number Of Pages:7
Page Range:1 - 7
Metadata Details
Metadata Creator:Stefan Kollet
Metadata Created:2013-12-03
Metadata Last Updated:2013-12-03
Subproject:D7
Funding Phase:2
Metadata Language:English
Metadata Version:V40
Dataset Metrics
Page Visits:385
Metadata Downloads:0
Dataset Downloads:3
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