ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.
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Transcript of ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.
![Page 1: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/1.jpg)
ViSea-DAS Survey Toolbox &
Plume Detection Toolbox(Introduction)
Jeroen AardoomAqua Vision BV
![Page 2: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/2.jpg)
Theoretical introduction
Practical data acquisition & calibration
![Page 3: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/3.jpg)
ADCP measures:water velocity
![Page 4: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/4.jpg)
ADCP measures:water velocity
![Page 5: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/5.jpg)
ADCP measures:water velocity
![Page 6: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/6.jpg)
![Page 7: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/7.jpg)
ADCP measures:Relative Backscatter(echo strength)
![Page 8: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/8.jpg)
ADCP measures:Relative Backscatter
Provides:spatial overview
![Page 9: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/9.jpg)
![Page 10: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/10.jpg)
ADCP measures:Relative Backscatter
Provides:spatial overview
![Page 11: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/11.jpg)
ADCP measures:Relative Backscatter
Provides:spatial overview3-D
![Page 12: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/12.jpg)
ADCP measures:Relative Backscatter
Provides:spatial 3D overview
Disadvantage:qualitative, no SSC (mg/l)
![Page 13: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/13.jpg)
The Challenge:Quantify SSC, in Real-Time
Correct for signal losses:range&instrument normalizationwater absorptionsediment absorption
![Page 14: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/14.jpg)
The working equation (Deines)
Sv normalized backscatter [dB]
C constant [dB]
TT temperature of the transducer [°K]
R slant range along the beam [m]
L transmit pulse length [m]
PT transmit power [W]
aw water absorption [dB/m]
as particle attenuation [dB/m]
Kc RSSI scale factor [dB/count]
E echo intensity [count]
Er received noise [count]
)()(log102
10 rcsw
T
Tv EEKR
LP
RTCS
![Page 15: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/15.jpg)
VISEA-DAS Survey & Plume Detection Toolbox
![Page 16: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/16.jpg)
VISEA-DAS Survey & Plume Detection Toolbox
Converts backscatter to SSCAcquires the data Real TimeAll data within 1 format & timestamp
![Page 17: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/17.jpg)
VISEA-DAS Survey & Plume Detection Toolbox
ViSea-DAS
![Page 18: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/18.jpg)
VISEA-DAS Survey & Plume Detection Toolbox
Survey & Plume Detection Toolbox
![Page 19: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/19.jpg)
Correlation / calibration
OBSRaw data : Volt/Ampere
Is converted -> NTU water samples calibration -> SSC mg/l
ADCPRaw data : Relative Backscatter
Is converted -> Absolute Backscatterwater samples calibration -> SSC mg/l
![Page 20: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/20.jpg)
Correlation / calibration
OBS (NTU) ADCP (IdB)Calibration
Onboard vessel / Real Time
![Page 21: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/21.jpg)
CalibrationSensor Setup
![Page 22: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/22.jpg)
![Page 23: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/23.jpg)
![Page 24: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/24.jpg)
![Page 25: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/25.jpg)
3 Profile/calibration measurements
Cross section/Transects measurements
Typical sample/measuring scheme
![Page 26: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/26.jpg)
Typical sample/measuring scheme
3 Profile/calibration measurements
![Page 27: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/27.jpg)
![Page 28: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/28.jpg)
Typical sample/measuring scheme
3 Profile/calibration measurements
![Page 29: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/29.jpg)
Correlation / calibration
OBS (NTU) ADCP (IdB)Calibration
Onboard vessel / Real Time
![Page 30: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/30.jpg)
Typical sample/measuring scheme
Every hour
3 Profile/calibration measurements
![Page 31: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/31.jpg)
![Page 32: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/32.jpg)
![Page 33: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/33.jpg)
Typical sample/measuring scheme
3 Profile/calibration measurements
![Page 34: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/34.jpg)
Correlation / calibration
Samples (mg/l)
OBS (NTU) ADCP (IdB)
Calibration Calibration
Cross validation
Post processing / analysis
![Page 35: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/35.jpg)
Every hour
3 Profile measurements
![Page 36: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/36.jpg)
![Page 37: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/37.jpg)
![Page 38: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/38.jpg)
![Page 39: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/39.jpg)
![Page 40: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/40.jpg)
![Page 41: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/41.jpg)
![Page 42: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/42.jpg)
![Page 43: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/43.jpg)
![Page 44: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/44.jpg)
Every hour
3 Profile measurements
• Transect measurements
Estuary - hourly calibration
![Page 45: ViSea-DAS Survey Toolbox & Plume Detection Toolbox (Introduction) Jeroen Aardoom Aqua Vision BV.](https://reader038.fdocuments.us/reader038/viewer/2022102606/56649ec55503460f94bcf3ae/html5/thumbnails/45.jpg)