Remote sensing of surf zone waves using stereo imaging |
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Authors: | S de Vries DF Hill MA de Schipper MJF Stive |
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Institution: | 1. Section of Hydraulic Engineering, Delft University of Technology, Delft, 2628 CN, The Netherlands;2. School of Civil and Construction Engineering, Oregon State University, 207 Owen Hall, Corvallis, OR 97330, USA;3. Building with Nature, EcoShape, Burgraadt Building, Dordrecht, 3311 JG, The Netherlands |
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Abstract: | The measurement of water wave characteristics, such as wavelength and wave height, in the surf zone is important for monitoring, prediction of erosion, and numerical model calibration. Traditional methods of measuring wave heights have either been limited to a small number of points or have required contact with the water. An experimental study of the remote sensing of water wave elevations, through the application of stereo photogrammetry, is presented. This method uses two spatially offset cameras, with overlapping fields of view, to determine water surface elevation. This remote sensing approach provides data with excellent spatial coverage and spatial and temporal resolution. Additionally, the hardware needs are minimal and the system is quickly deployed, calibrated, and operational. |
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Keywords: | Stereo imaging Remote sensing Surf zone Wave measurement |
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