Abstract
The significance of the Richardson number for existing turbulence is examined and is shown to be more appropriately a comparative measure of the importance of terms in the energy budget rather than a criterion for the growth or decay of turbulence. Data from the literature is examined to show that there must be a continued input of energy from large scale processes to account for the persistence of some observed CAT patches. The types of large scale motion necessary to accomplish this are: downward vertical motion, extension along an axis normal to the shear vector (i.e. vertical shear of the horizontal wind), and compression along an axis parallel to the shear vector.
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Badgley, F.I. (1969). Large Scale Processes Contributing Energy to Clear Air Turbulence. In: Pao, YH., Goldburg, A. (eds) Clear Air Turbulence and Its Detection. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-5615-6_8
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DOI: https://doi.org/10.1007/978-1-4899-5615-6_8
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