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On Helicity of Ekman Boundary Layers

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Abstract

The sensitivity of the results of calculating atmospheric flow helicity in the atmospheric boundary layer with respect to the factor of nonstationarity and details of the eddy exchange description is theoretically investigated. The study shows that estimates often used in the framework of the classical Ekman model can lead to significantly overestimated values of helicity. Appropriate estimates and variants of refined calculations are given.

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Authors and Affiliations

  1. Taifun Research and Production Association, 249038, Obninsk, Kaluga oblast, Russia

    L. Kh. Ingel

  2. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences, 119017, Moscow, Russia

    L. Kh. Ingel

Authors
  1. L. Kh. Ingel
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Correspondence to L. Kh. Ingel.

Additional information

Translated from Meteorologiya i Gidrologiya, 2023, No. 7, pp. 30-35. https://doi.org/10.52002/0130-2906-2023-7-30-35.

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Ingel, L.K. On Helicity of Ekman Boundary Layers. Russ. Meteorol. Hydrol. 48, 576–580 (2023). https://doi.org/10.3103/S1068373923070038

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  • DOI: https://doi.org/10.3103/S1068373923070038

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