Abstract: The u, w velocity covariance above and within a plant canopy (Zea mays L) was examined using the technique of quadrant analysis to separate the momentum transport into events classified as sweep, ejection, and outward and ...

Abstract: The removal from leaves of small particles such as pollen, dust or spores often requires gusts of wind having speeds that greatly exceed the mean wind speed. To determine the frequency of occurrence of such fast gusts we ...