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Article
Statistical Distribution of Atmospheric Dust Devils on Earth and Mars
The theoretical foundations of the exponential and power-law analytical formulations for the size–frequency and intensity–frequency distributions of the convective vortices, including dust devils, are re-exami...
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Article
Turbulent Helicity in the Atmospheric Boundary Layer
We consider the assumption postulated by Deusebio and Lindborg (J Fluid Mech 755:654–671, 2014) that the helicity injected into the Ekman boundary layer undergoes a cascade, with preservation of its sign (right- ...
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Article
Dust Devil Steady-State Structure from a Fluid Dynamics Perspective
Simple analytical models for the flow structure of dust devils in steady state, and a “thermophysical” scaling theory that explains how these flow structures are maintained are reviewed. Then, results from hig...
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Article
Open AccessHistory and Applications of Dust Devil Studies
Studies of dust devils, and their impact on society, are reviewed. Dust devils have been noted since antiquity, and have been documented in many countries, as well as on the planet Mars. As time-variable vorte...
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Article
Non-ENSO interannual rainfall variability in central Chile during austral winter
The first principal component (PC1) of seasonal rainfall anomalies in central Chile during winter (June–August) is used to analyze the circulation anomalies related to wet and dry conditions, when near-normal ...
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Article
Micrometeorological Conditions for Dust-Devil Occurrence in the Atacama Desert
We report on field observations in January 2009 (austral summer) of atmospheric dust devils in the northern part of the Atacama Desert in South America (≈20◦S). An extremely high level of dust-devil activity over...