Abstract: Estimates of cloud cover based on all-sky temporal and spatial radiometric measurements of downward longwave radiation are compared with visual estimates of the same cloud cover. A detailed comparison of the two estimates ...

Abstract: During the winter months of 1979, an Active Scattering Aerosol Spectrometer was operated in down-town Calgary to measure the effect of chinooks on the aerosol particle size distribution in the range 0.1?1.0 ?m. An Aerovironment ...