Conference paper Open Access

Combined visualization of wind waves and water surface temperature

Rocholz, Roland; Wanner, Sven; Schimpf, Uwe; Jähne, Bernd

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  <identifier identifierType="DOI">10.5281/zenodo.14957</identifier>
      <creatorName>Rocholz, Roland</creatorName>
      <affiliation>Institut für Umweltphysik, Heidelberg University</affiliation>
      <creatorName>Wanner, Sven</creatorName>
      <affiliation>Interdisciplinary Center for Scientific Computing (IWR), Heidelberg University</affiliation>
      <creatorName>Schimpf, Uwe</creatorName>
      <affiliation>Institut für Umweltphysik, Heidelberg University</affiliation>
      <creatorName>Jähne, Bernd</creatorName>
      <affiliation>Interdisciplinary Center for Scientific Computing (IWR), Heidelberg University</affiliation>
    <title>Combined visualization of wind waves and water surface temperature</title>
    <subject>water wave imaging</subject>
    <subject>infrared imaging</subject>
    <subject>microscale breaking</subject>
    <date dateType="Issued">2011-07-04</date>
  <resourceType resourceTypeGeneral="Text">Conference paper</resourceType>
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    <rights rightsURI="">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
    <description descriptionType="Abstract">&lt;p&gt;A combined visualization of wind waves and water surface temperature is gained from synchronized and co-located active thermography and wave slope imaging at a high frame rate (312 Hz). An interactive rendering tool, WaveVis, was developed in order facilitate a direct comparison of the space-time evolution of the waves and the surface temperature distribution. For this the water surface elevation is reconstructed from the wave slope and rendered in perspective with OpenGL. The temperature images are mapped in false color onto that virtual surface. Shading, based on the surface slope, is additionally exploited to make the tiny capillary waves visible even though their amplitudes are much smaller than those of the dominating short-gravity waves. WaveVis enables to interactively study many mechanisms of air-sea gas exchange, for instance raindrop impacts, microscale breaking waves, and micro Langmuir circulations.&lt;/p&gt;</description>
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