Sustainability of using Ria Formosa Currents On Renewable Energy production

General Information

 

 

Tidal Project Name

SCORE

 

Country

Portugal

 

Developed Status

On Going

 

Latitude

36.972878

 

Longitude

-7.872732

 

Chart Depth

7 (msl)

Power & Devices

 

 

 

Device Name

Evopod

 

Mumber of Devices

1

 

Device Type

Floatable

 

Device Capacity

1 kW (1:10th scale)

 

Foundation Type

Catenary system, 4-point spread mooring

Tidal Currents

Peak tidal current speed

1.8 m/s

 

Direction

NW / SW, Flood /ebb

 

DATA COLLECTED & AVAILABILITY

Type of data

Date of Survey

Method used

Coverage / Resolution

Data format / Availability

Bathymetry

2011 - 2015

Lidar / Single beam echosounder syncronized with a RTK-DGPS / tide corrected

Ria Formosa 10 m LIDAR gridded data / Deployment area - lines spaced every 10 m and depths collected at each 1 sec

XYZ file and Delft3D Curvilear grid

Side scan sonar

07/2016

Transects performed with a bed imaging system to characterise the bottom of the deployment area in terms of materials and the texture type. 

Deployment area

Mosaic image
jpg file / open source

Bed characterization

07/2016 – 07/2017

Van Veen dredge operated from the boat. Samples were sieved and benthos organisms, conserved in 98% alcohol for taxonomic identification and counting

Deployment area / updrift and downdrift of the E1 point location

Pdf document and an excel data file with identified and quantified organisms
typical / frequent in the Ria Formosa, as well sediment properties characterization

Habitat characterisation

07/2016 – 07/2017

Bottom trawling, visual census and ROV images to capture, identify and quantify fish species,
invertebrates, and epithelial or benthic species on mobile substrate

Deployment area / updrift and downdrift of the E1 point location

Pdf document and an excel data file with identified and quantified organisms
typical / frequent in the Ria Formosa

Tidal currents

03/11/2016 - 17/11/2016

ADP Nortek Signature 1 MHz - bottom mounted on a frame structure, up looking

Deployment area, 8m depth
Avg. Interval: 1min
Measur. Int.: 5 min
Cell size: 0.2 m
Start profile: 0.2m
End profile: 8m
Coordinate System: ENU

For each cell: time (UTC); ENU velocities; standard deviation in the three directions; signal to noise ratio (SNR) for the three directions;
temperature; pressure.


Netcdf file / open source

Tidal currents

03/11/2016 - 17/11/2016

ADP Sontek 1.5kHz
Static survey, down looking

Deployment point, 8m depth
Full tidal cycle
Avg. Interval: 5 sec
Measur. Int.: 5 sec
Cell size: 0.5 m
Start profile: 0.7 m
End profile: 8 m
Coordinate System: ENU

For each cell: time (UTC); ENU velocities; standard deviation in the three directions; signal to noise ratio (SNR) for the three directions;
temperature; pressure.
Netcdf file / open source

Acoustic measurements

19/01/2017 – 14/02/2017

DigitalHyd
SR-1

Deployment area, 11m depth
Sampling rate: 52734 sps Amplitude resol.: 24 bits
Avg. Interval: 90s
Measur. Int: 10min

Pdf document on baseline noise and time-series of sound pressure levels (dB) and frequency (kHz)
Netcdf file / open source

Wake measurements

03/11/2017

ADP Nortek Signature 1 MHz Static
E1 centreline profiles at: 5 m up-stream, and 5 m, 10 m; 15 m, 20 m, 25 m, and 30 m down-stream.

Boat operated
Avg. Interval: 5 sec
Measur. Int.: 5 sec
Cell size: 0.2 m
Start profile: 0.2m
End profile: 8m
Coordinate System: ENU

For each cell: time (UTC); ENU velocities; standard deviation in the three directions; signal to noise ratio (SNR) for the three directions;
temperature; pressure.
Netcdf file / open source

Wake measurements

03/11/2017

ADP Sontek 1.5kHz
Transect survey,
E1 transversal profiles 5m spaced within the deployment area. down looking

Boat operated
Avg. Interval: 5 sec
Measur. Int.: 5 sec
Cell size: 0.5 m
Start profile: 0.7 m
End profile: 8 m
Coordinate System: ENU

For each cell: time (UTC); ENU velocities; standard deviation in the three directions; signal to noise ratio (SNR) for the three directions;
temperature; pressure.
Netcdf file / open source

Turbine performance data

08/06/2017 – 21/11/2017

Evopod E1 data collection

Deployment point, 8m depth
Logging values every 10s

Shaft speed (RPM), load cells (kN), generate voltage (volts), generate amperage (amps), input velocity (ms-1), electrical output (W), raw power (W)
Netcdf file / open source

CCMAR

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