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Applied Optics

Applied Optics


  • Vol. 22, Iss. 17 — Sep. 1, 1983
  • pp: 2566–2570

Evaporation derived from optical and radio-wave scintillation

W. Kohsiek and M. H. A. J. Herben  »View Author Affiliations

Applied Optics, Vol. 22, Issue 17, pp. 2566-2570 (1983)

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The determination of the evaporation from scintillation measurements at several wavelengths is discussed. The refractive-index structure parameter C n 2 derived from the observed amplitude scintillation on a 30-GHz radio link is compared to a spot measurement of this quantity at a much lower height than that of the radio link. After free convection height scaling, a difference of a factor of 3 is found. This factor is discussed. A calculation of the evaporation from the observed radio-wave scintillation yields good agreement with calculations based on the Priestley-Taylor formula.

© 1983 Optical Society of America

Original Manuscript: March 15, 1983
Published: September 1, 1983

W. Kohsiek and M. H. A. J. Herben, "Evaporation derived from optical and radio-wave scintillation," Appl. Opt. 22, 2566-2570 (1983)

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  18. This implies that the free convection relation is adopted. Such is better justified at a height of 60 m than at 10 m because − z/Lθ has a larger value at 60 m than at 10 m.
  19. The β in Eq. (12) is a different quantity than the β in Eq. (3).
  20. W. Kohsiek, M. H. A. J. Herben, “Evaporation Measurement by Optical and Radio Wave Scintillation,” in Optical Techniques for Remote Probing of the Atmosphere, Incline Village (Optical Society of America, Washington, D.C., 1983), paper MC30.

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