Water surface slope spectra in nearshore and river mouth environments

N. J M Laxague, D. G. Ortiz-Suslow, Brian K Haus, N. J. Williams, Hans C Graber

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

With the ever-growing interest in satellite remote sensing, direct observations of short wave characteristics are needed along coastal margins. These zones are characterized by a diversity of physical processes that can affect sea surface topography. Here we present connections made between ocean wave spectral shape and wind forcing in coastal waters using polarimetric slope sensing and eddy covariance methods; this is based on data collected in the vicinity of the mouth of the Columbia River (MCR) on the Oregon-Washington border. These results provide insights into the behavior of short waves in coastal environments under variable wind forcing; this characterization of wave spectra is an important step towards improving the use of radar remote sensing to sample these dynamic coastal waters. High wavenumber spectral peaks are found to appear for U 10 > 6 m/s but vanish for τ > 0.1 N/m2, indicating a stark difference between how wind speed and wind stress are related to the short-scale structure of the ocean surface. Near-capillary regime spectral shape is found to be less steep than in past observations and to show no discernable sensitivity to wind forcing.

Original languageEnglish (US)
Article number012013
JournalUnknown Journal
Volume35
Issue number1
DOIs
StatePublished - May 20 2016

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mouth
wind forcing
surface water
Rivers
rivers
Mouth
Oceans and Seas
slopes
Radio Waves
Water
coastal water
river
sea surface topography
remote sensing
Remote sensing
ocean wave
wave spectrum
eddy covariance
Physical Phenomena
Wind stress

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Water surface slope spectra in nearshore and river mouth environments. / Laxague, N. J M; Ortiz-Suslow, D. G.; Haus, Brian K; Williams, N. J.; Graber, Hans C.

In: Unknown Journal, Vol. 35, No. 1, 012013, 20.05.2016.

Research output: Contribution to journalArticle

Laxague, N. J M ; Ortiz-Suslow, D. G. ; Haus, Brian K ; Williams, N. J. ; Graber, Hans C. / Water surface slope spectra in nearshore and river mouth environments. In: Unknown Journal. 2016 ; Vol. 35, No. 1.
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