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Comparison of SWMM4 and SWMM5 Results to Flow Monitoring Data

Mi Chen, Ben Gamble, Joseph Koran, Ralph Johnstone and Edward Burgess (2006)
CDM Smith; Metropolitan Sewer District of Greater Cincinnati
DOI: 10.14796/JWMM.R225-22
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Abstract

The Storm Water Management Model (SWMM) Version 5 has recently been released by USEPA. This version is the first major update to SWMM since 1988, and it has generated a high level of interest among the entire SWMM user community. SWMM5 includes a utility program to convert older SWMM format datasets to the new SWMM5 data format, which facilitates migration to the new version. As users test SWMM5 against SWMM4, there can be some discrepancies between the hydrographs generated from the two versions running the same application. This chapter presents a study that (i) compares the hydrographs in terms of flow pattern, peak flow depth/rate, and timing, generated from the two versions to evaluate the compatibility of SWMM4 and SWMM5, and (ii) compares both simulated results to field data to evaluate the accuracy of simulated results from the two versions if a discrepancy exists between two model simulated results. The comparison results indicate that both versions agree with each other and generally match the field data although some differences between simulated and observed data exist.

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PAPER INFO

Identification

CHI ref #: R225-22 881
Volume: 14
DOI: 10.14796/JWMM.R225-22
Cite as: CHI JWMM 2006;R225-22

Publication History

Received: N/A
Accepted: N/A
Published: February 15, 2006

Status

# reviewers: 2
Version: Final published

Copyright

© 2006 CHI. Some rights reserved.

The Journal of Water Management Modeling is an open-access (OA) publication. Open access means that articles and papers are available without barriers to all who could benefit from them. Practically speaking, all published works will be available to a worldwide audience, free, immediately on publication.

JWMM content can be downloaded, printed, copied, distributed, and linked-to, provided full attribution to both CHI and the author is given.

JWMM content may not be re-published, either online or in print, without prior written consent of CHI. As such, JWMM can be considered a Gold, Gratis OA journal.


AUTHORS

Mi Chen

CDM Smith, Cincinnati, OH, USA

Ben Gamble

CDM Smith, Cincinnati, OH, USA

Joseph Koran

Metropolitan Sewer District of Greater Cincinnati, Cincinnati, OH, USA

Ralph Johnstone

Metropolitan Sewer District of Greater Cincinnati, Cincinnati, OH, USA

Edward Burgess

CDM Smith, Cincinnati, OH, USA

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