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Proceedings Paper

Optical measurements of ripples using a scanning-laser slope gauge: Part I--instrumentation and preliminary results
Author(s): Robert J. Martinsen; Erik John Bock
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Paper Abstract

We describe the design, implementation, and deployment of a laser slope gauge developed at the Woods Hole Oceanographic Institution for the purpose of studying the propagation characteristics of capillary ripples, and how currents and natural slicks on the ocean surface modify ripple spectra. The laser slope gauge constitutes a nondisruptive optical technique for determining the slope spectrum for a range of waves with wavelengths between 2 mm and 20 cm using both spatial and temporal information. Operation of the sensor and data acquisition system is discussed and a sample data record collected in the Gulf Stream off Cape Hatteras, North Carolina is interpreted and analyzed.

Paper Details

Date Published: 22 December 1992
PDF: 14 pages
Proc. SPIE 1749, Optics of the Air-Sea Interface: Theory and Measurement, (22 December 1992); doi: 10.1117/12.138854
Show Author Affiliations
Robert J. Martinsen, Lightwave Atmospherics, Inc. (United States)
Erik John Bock, Woods Hole Oceanographic Institution (United States)

Published in SPIE Proceedings Vol. 1749:
Optics of the Air-Sea Interface: Theory and Measurement
Leland Estep, Editor(s)

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