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Design of an In-Situ Directional Wave Gage for One Year Deployments

by Gary L. Howell, U S Army Corps of Engineers, Vicksburg, United States,



Document Type: Proceeding Paper

Part of: Ocean Wave Measurement and Analysis

Abstract:

This paper describes the design and implementation of a new in-situ, directional wave gage that records hourly directional spectra continuously during a 13-month deployment period. If desired the gage also can provide real-time data simultaneous with internal analysis and recording. If desired, the gage also can provide real-time data simultaneous with internal analysis and recording. Improved reliability and accuracy have also been achieved. Wave height measurements have a resolution of 1-mm and the total system noise is less than 1-cm significant wave height. The principles of operation, data analysis, and field test results of the gage are described in Howell (1992). A description of the hardware and software design is presented here.

Subject Headings: Wave measurement | Water waves | Wave spectrum | Wave height | Field tests | Data analysis | Oceanography

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