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Los Angeles, CA
March 31, 2009 to April 2, 2009
ISBN: 978-0-7695-3507-4
pp: 404-408
ABSTRACT
Numerical ocean wave models output a frequency-direction energy spectrum at each grid point in space and time over a defined domain (e.g. the Pacific Ocean). After identifying each wave component (wind-sea, young swell and mature swell) using a spectral partitioning technique, a spiral search algorithm is used to identify the different wave systems, which are a cluster of wave-components propagating from a common origin on the ocean. This spiral search algorithm is being tested on output from two different wave models: the NOAA National Center for Environmental Prediction (NCEP) WaveWatch III and the Delft near-shore wave model SWAN (Simulating WAve Near shore). The tracking algorithm, prototyped in Matlab, spirals once through the entire domain to identify existing wave systems. A second loop then combines neighboring wave systems initially separated by land.
INDEX TERMS
spiral, wave, tracking, map, Matlab
CITATION
Jeffrey L. Hanson, Rick Luettich, "Spatial Tracking of Numerical Wave Model Output Using a Spiral Search Algorithm", CSIE, 2009, 2009 WRI World Congress on Computer Science and Information Engineering, CSIE, 2009 WRI World Congress on Computer Science and Information Engineering, CSIE 2009, pp. 404-408, doi:10.1109/CSIE.2009.1021
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