Wind speed dependence of single-site wave-height retrievals from high-frequency radars

Brian K. Haus, Lynn K. Shay, Paul A. Work, George Voulgaris, Rafael J. Ramos, Jorge Martinez-Pedraja

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Wave-height observations derived from single-site high-frequency (HF) radar backscattered Doppler spectra are generally recognized to be less accurate than overlapping radar techniques but can provide significantly larger sampling regions. The larger available wave-sampling region may have important implications for observing system design. Comparison of HF radar-derived wave heights with acoustic Doppler profiler and buoy data revealed that the scale separation between the Bragg scattering waves and the peak energy-containing waves may contribute to errors in the single-site estimates in light-to-moderate winds. A wave-height correction factor was developed that explicitly considers this scale separation and eliminates the trend of increasing errors with increasing wind speed.

Original languageEnglish (US)
Pages (from-to)1381-1394
Number of pages14
JournalJournal of Atmospheric and Oceanic Technology
Volume27
Issue number8
DOIs
StatePublished - Aug 1 2010

ASJC Scopus subject areas

  • Ocean Engineering
  • Atmospheric Science

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