Climatology of Superadiabatic Conditions for a Rural Area

E. S. Takle Departments of Agronomy and Earth Sciences, Iowa State University of Science and Technology, Ames 50011

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Abstract

Temperature measurements taken over a 6-year period from a 32 m tower are used to study the climatology of low-level superadiabatic conditions in a rural area. Plots of monthly distributions of event commencement times and durations display a high degree of symmetry compared to the distributions for inversions previously published. This climatology can be used to better identify periods when spores, pollens, insects, smoke or agricultural chemicals introduced at the surface will quickly become available for long-range transport by the upper level winds.

Abstract

Temperature measurements taken over a 6-year period from a 32 m tower are used to study the climatology of low-level superadiabatic conditions in a rural area. Plots of monthly distributions of event commencement times and durations display a high degree of symmetry compared to the distributions for inversions previously published. This climatology can be used to better identify periods when spores, pollens, insects, smoke or agricultural chemicals introduced at the surface will quickly become available for long-range transport by the upper level winds.

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