Sediment Flux & ADCP Jeroen Aardoom Aqua Vision The Netherlands.
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Transcript of Sediment Flux & ADCP Jeroen Aardoom Aqua Vision The Netherlands.
![Page 1: Sediment Flux & ADCP Jeroen Aardoom Aqua Vision The Netherlands.](https://reader037.fdocuments.net/reader037/viewer/2022102909/56649f335503460f94c502a8/html5/thumbnails/1.jpg)
Sediment Flux & ADCP
Jeroen Aardoom
Aqua VisionThe Netherlands
![Page 2: Sediment Flux & ADCP Jeroen Aardoom Aqua Vision The Netherlands.](https://reader037.fdocuments.net/reader037/viewer/2022102909/56649f335503460f94c502a8/html5/thumbnails/2.jpg)
Sediment Flux (g/s) = Q (m3/s) * SSC (g/m3)
Q (m3/s)
ADCP measures water velocity (discharge)
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Sediment Flux (g/s) = Q (m3/s) * SSC (g/m3)
Q (m3/s)
ADCP measures water velocity (discharge)
ADCP 36.9 m3/s
![Page 4: Sediment Flux & ADCP Jeroen Aardoom Aqua Vision The Netherlands.](https://reader037.fdocuments.net/reader037/viewer/2022102909/56649f335503460f94c502a8/html5/thumbnails/4.jpg)
Sediment Flux (g/s) = Q (m3/s) * SSC (g/m3)
SSC (g/m3)
Take a water sample
Flux 1 sample = 36.9 m3/s * 32 (g/m3) = 1.18 kg/s
![Page 5: Sediment Flux & ADCP Jeroen Aardoom Aqua Vision The Netherlands.](https://reader037.fdocuments.net/reader037/viewer/2022102909/56649f335503460f94c502a8/html5/thumbnails/5.jpg)
Sediment Flux (g/s) = Q (m3/s) * SSC (g/m3)
SSC (g/m3)
Take multiple water samples, Sai
Average SSC samples < Sai > = 30.2 g/m3
Flux 9 samples = 36.9 m3/s * 30.2 (g/m3) = 1.11 kg/s
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Sediment Flux (g/s) = Q (m3/s) * SSC (g/m3)
SSC (g/m3)
Averaging should be weighted with Q
Flux = QL*<SaL1,2,3> + QM*<SaM1,,2,3> + QR*<SaR1,,2,3>
QL QM QR
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Flux (g/s) = Q (m3/s) * SSC (g/m3)
SSC (g/m3)
Instead of 3 sections
Flux ADCPQbin*SCCbin = 1.85 kg/s
QL QM QR
, use Q per ADCP bin, and SSC per bin
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Flux (g/s) = Q (m3/s) * SSC (g/m3)
SSC (g/m3)
Flux 9 samples = 1.11 kg/s
Flux 1 sample = 1.18 kg/s
Flux ADCP = 1.85 kg/s
Flux = QL QM QR
![Page 9: Sediment Flux & ADCP Jeroen Aardoom Aqua Vision The Netherlands.](https://reader037.fdocuments.net/reader037/viewer/2022102909/56649f335503460f94c502a8/html5/thumbnails/9.jpg)
Sediment Flux (g/s) = Q (m3/s) * SSC (g/m3)
SSC (g/m3)
Need to convert ADCP signal to SSC
Software tool for conversion
![Page 10: Sediment Flux & ADCP Jeroen Aardoom Aqua Vision The Netherlands.](https://reader037.fdocuments.net/reader037/viewer/2022102909/56649f335503460f94c502a8/html5/thumbnails/10.jpg)
ViSea - STB (PDT)
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ViSea STAR
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ViSea STB (PDT) versus ViSea STAR
ViSea STB (PDT)3-D, survey packageReal Time data acquisitionADCP, GPS, OBS, CTD, DS, Gyro etcAccounts for stratified conditionsFor dredge plumes and tidal/estuary
ViSea STAR 1 screen onlyPost processingEasy to useFor inland waterways, natural streams
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ViSea STAR
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