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Random wave measurements in front of reflective structures
Klopman, G.; van der Meer, J.W. (1999). Random wave measurements in front of reflective structures. J. Waterway Port Coast. Ocean Eng. 125(1): 39-45
In: Journal of Waterway, Port, Coastal, and Ocean Engineering. American Society of Civil Engineers (ASCE): New York, N.Y.. ISSN 0733-950X; e-ISSN 1943-5460
Peer reviewed article  

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Trefwoorden
    Golfmeting; Marien

Auteurs  Top 
  • Klopman, G.
  • van der Meer, J.W.

Abstract
    The changes in the wave spectrum and significant wave height near a reflective structure are investigated. Significant wave-height measurements with a one wave gauge show a standing wave pattern near the structure, extending offshore to about two times the spectral-peak wavelength for a JONSWAP incidental wave spectrum. The measured spectra also reveal a pattern of nodal and antinodal frequencies, even to much larger distances from the structure. These findings are in agreement with results from linear wave theory. Multigauge techniques can be used to discriminate between incident and reflected waves. Despite the standing wave pattern these techniques can be used to determine the incident wave height accurately up close to the structure-the distance being limited by the extend of the evanescent wave modes attached to the structure.

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