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Correlation and spectrum properties of the potential gradient and space-charge density in the atmospheric surface layer

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Summary

Correlation analysis of simultaneous ground-based measurements of the potential gradient and space-charge density, using antennae placed on a well-exposed site and separated by a horizontal distance of 27 m, shows that the two parameters possess the same ‘patterns’ and ‘scales’ of variation. ‘Self’ and mutual interaction rates of the two parameters are faster in high winds than in low winds, and under near-neutral than stable stratifications.

The main contributions to the power spectra of the parameters appear to come from frequencies ranging from 0 to 0.03 cycles/min. The high frequency portion of this range is from measurements made in near-neutral conditions.

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Oluwafemi, C.O., Ungethüm, E., Israelsson, S. et al. Correlation and spectrum properties of the potential gradient and space-charge density in the atmospheric surface layer. PAGEOPH 112, 533–543 (1974). https://doi.org/10.1007/BF00877290

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Keywords

  • Surface Layer
  • Correlation Analysis
  • Stratification
  • Power Spectrum
  • High Wind