Evaluation of the EPA models (1985) for ocean outfall plume modelling / B.L. Williams

By: Williams, B.L.
Contributor(s): Water Quality Centre (Hamilton, N.Z.).
Series: Internal report / Water Quality Centre, Hamilton: no. 88/4Publisher: Hamilton, N.Z. : Hamilton Science Centre, 1989Description: 39 leaves : illustrations, graphs ; 30 cm.Report number: HPW-IR--88/4Subject(s): COASTAL ZONE | OCEAN OUTFALLS | TESTS | DILUTION | NEW ZEALAND | WATER QUALITY In: Internal report / Water Quality Centre, HamiltonSummary: The package of five EPA coastal outfall plume dilution models (PLUME, OUTPLM, MERGE, DKHDEN and LINE) were tested on the Water Quality Centre MicroVAX. MERGE and DKHDEN are designed to model single or multiple jets in stationary or moving waters. PLUME and OUTPLM are restricted to single jets and LINE to multiple jets. Initial dilutions were calculated using all models for a range of test cases in nonstratified conditions. PLUME and DHKDEN were found to be the most accurate for the stationary case, while LINE proved most suitable for moving ambient applications. MERGE and DHKDEN and OUTPLM require great care in their application to the moving ambient case to avoid excessive dilution predictions. A modified procedure for using DHKDEN or MERGE to obtain more accurate initial dilutions for the multiple jet moving ambient case is described.
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JOURNAL JOURNAL WELLINGTON
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STACK NO. 88/4 1 Available J018095

The package of five EPA coastal outfall plume dilution models (PLUME, OUTPLM, MERGE, DKHDEN and LINE) were tested on the Water Quality Centre MicroVAX. MERGE and DKHDEN are designed to model single or multiple jets in stationary or moving waters. PLUME and OUTPLM are restricted to single jets and LINE to multiple jets. Initial dilutions were calculated using all models for a range of test cases in nonstratified conditions. PLUME and DHKDEN were found to be the most accurate for the stationary case, while LINE proved most suitable for moving ambient applications. MERGE and DHKDEN and OUTPLM require great care in their application to the moving ambient case to avoid excessive dilution predictions. A modified procedure for using DHKDEN or MERGE to obtain more accurate initial dilutions for the multiple jet moving ambient case is described.

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