Kristie Andresen and Steve Litvin

The Use of CODAR High Frequency Radar to Attain Wave Height Measurements

Conclusions



Hypothesis 1:  The CODAR system will be able to estimate significant wave height, as compared with buoy and node data, when wave height is equal to or below the theoretical sensitivity limit of the system.
We have shown that estimates of significant wave height from the Rutgers CODAR system compare favorably with those from buoy and node data.  However, there are limits to sea state, governed by the frequency of the transmitted signal, in which the system functions.  Therefore sea state, resolution, and coverage are must all be considered when choosing a transmittance frequency.
Hypothesis 2:  Differences in sea state will be detected by using spectral analysis in conjunction CODAR data from the LEO-15 site.
Spectral analysis holds promise as a tool to extract sea state information from CODAR data.  If this method can be developed further, it could provide real time sea state information which is not available from satellites.
Longer and more varied data sets need to be analyzed using statistical methods in order to quantify CODAR's ability to measure significant wave height at LEO-15.  In addition, the effect of varying transmittance frequency and other operating parameters on the system's ability to measure significant wave height need to be investigated.  CODAR wave spectral measurements as well as the use of spectral analysis as a predictive tool of sea state need to be validated through the comparison of data to data gathered from other (such as buoy) sources.


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