Time varying rotary spectra

  • Henry Crew
  • Noel Plutchak


A method for computing and displaying the temporal variation of rotary spectral estimates is described. The method is applied to time series measurements of highly nonstationary winds and currents. The results indicate approximately fortnightly modulation of diurnal wind energy and inertial current energy.


Time Series Temporal Variation Wind Energy Series Measurement Spectral Estimate 
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Copyright information

© The Oceanographical Society of Japan 1974

Authors and Affiliations

  • Henry Crew
    • 1
  • Noel Plutchak
    • 1
  1. 1.School of OceanographyOregon State UniversityCorvallisUSA

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