A comparative study of stationary and non-stationary wind models using field measurements

Jun Chen, Michael C.H. Hui, You Lin Xu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

95 Citations (Scopus)


We present a comparative study of the conventional stationary wind speed model and a newly proposed non-stationary wind speed model using field measurements. The concept of, and the differences between, the two wind models are briefly reviewed. Wind data recorded by a field measurement system for wind turbulence parameters (FMS-WTP) of 1-year duration are analyzed using the two wind models. Comparisons were made between the wind characteristics obtained from the two models, including hourly mean wind speed, turbulence intensity, the wind spectrum, integral length scale, root coherence function and probability density function. The effects of wind types (monsoon or typhoon), statistical properties (stationary or non-stationary), and surface roughness (open-sea fetch or overland fetch) on wind characteristics are discussed. The comparative study demonstrates that the non-stationary wind model appears to be more appropriate than the conventional stationary wind speed model for characterizing turbulent winds of one-hour duration over complex terrain. 2006.
Original languageEnglish
Pages (from-to)105-121
Number of pages17
JournalBoundary-Layer Meteorology
Issue number1
Publication statusPublished - 1 Jan 2007


  • Monsoon wind
  • Non-stationary wind model
  • Stationary wind model
  • Turbulent wind characteristics
  • Typhoon wind

ASJC Scopus subject areas

  • Atmospheric Science


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