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Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing
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Using ground-based stereo cameras to derive cloud-level wind fields.

John N Porter1, Guang Xia Cao

  • 1Hawaii Institute of Geophysics and Planetology, University of Hawaii, 2525 Correa Road, Honolulu, Hawaii 96821, USA. johnport@hawaii.edu

Optics Letters
|August 18, 2009
PubMed
Summary
This summary is machine-generated.

This study uses stereo cameras to track cloud motion for measuring upper-level winds. The new method provides horizontal wind speed and direction data throughout the troposphere.

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Area of Science:

  • Atmospheric Science
  • Meteorology
  • Remote Sensing

Background:

  • Accurate measurement of upper-level wind fields is crucial for weather forecasting and climate modeling.
  • Traditional methods like radiosondes provide point measurements and can be limited in spatial coverage.

Purpose of the Study:

  • To introduce and validate a novel remote sensing technique for deriving upper-level wind fields.
  • To assess the feasibility of using ground-based stereo cameras for atmospheric wind measurements.

Main Methods:

  • Utilizing calibrated ground-based stereo cameras to capture cloud feature motion.
  • Applying image processing and feature tracking algorithms to determine wind speed and direction.
  • Conducting preliminary measurements at Mauna Loa Observatory.

Main Results:

  • Successfully obtained horizontal wind speed and direction data over a defined area.
  • Demonstrated the capability to measure winds throughout the troposphere.
  • Preliminary data comparison with radiosonde measurements from Hilo, Hawaii.

Conclusions:

  • Ground-based stereo cameras offer a viable method for remote sensing of atmospheric winds.
  • This technique has the potential to provide more comprehensive wind field data compared to traditional methods.
  • Further validation and refinement of the method are warranted.