Illinois Sediment Acoustics

PowerPoint Presentation

Illinois Sediment AcousticsTimothy D. Straub, P.E., Ph.D.Collaborators: Beaulin, Boldt, Bohall, Bosch, Domanski, Draper, Duncker, Goodwin, Husko, Legg, Lynch, Jackson, Johnson, Johnson, Oberg, Prater, Roseboom, Schrader, Straub, SzupianyOSW Sediment Hydroacoustic Activities Workshop115 Sediment Gages~2,000 samples per year7 Cooperators5 Technicians in 3 officesProject Oriented Dam Removal RestorationOPERATIONAL NOT A RESEARCH focusi.e. 5 Sediment Acoustic sites slow additionIllinois Sediment Network Background

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Site 1:Predominantly Agricultural Drainage Ditch14 mi2 drainage area

Up-looker used

Nearly 100 % finesin suspension

No near field correctionsSediment Concentration and Attenuation Coefficient Two October Storms at Kickapoo (05579630)

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Sediment Concentration and Attenuation Coefficient October 2009 Storms at Kickapoo (05579630)

1,636 mi2 drainage area

Up to ~25 % sands in suspension

Side-looker: on-going problems with debris on instrument

Wake zone?Site 2:One of the largest contributors of sediment to the Illinois River

Partial cleanup of data (negative slopes taken out)Results with only two cells used

-no near field correction

-wake zone?

FISP Funded 2011-2012

LISST-SL Experience and Testing Results in Illinois9Typical Bridge Setup

10Automation

Software DevelopmentBeta Sediment Stationary Add-in by Boldt, Szupiany, Czuba, and Oberg into VMT by Parsons, Jackson, Czuba, Mueller, and Oberg

11Beta Add-inAnimation

12FUTURE Illinois Sediment Network

Previous Peak 37.24

Previous Peak 34.56

Previous Peak 39.01

Previous Peak 26.04

14Next Steps for OSW?Compile data from across the nation/world

Interim guidelinesThree or more iterations emerging

Verification datasetUtilizing existing index velocity sites10x10x(200+200)=$40,00015Additional ComplicationsSetupLaunchesData transmissionCablesTemperaturePowerSiltingDebris

17Measured, and Water and Sediment Corrected Backscatter

Multiple Water Corrected Backscatter Readings

The SAME Multiple Readings, but forSediment Corrected Backscatter