Abstract: The ability of site-specific climatological interpolation functions to predict wind speed is compared with functions weighted according to distance from the site. The results indicate that prediction is improved by the use ...

Abstract: An important aspect of longwave radiation exchange within urban canopies is the degree to which the sky is obscured by surrounding buildings, a concept which may be described by the sky view-factor (?s). Hitherto, expressions ...

Abstract: No abstract available.

Abstract: A technique is described whereby sky view-factors may be determined using a video camera equipped with a fish-eye lens. The video image is digitized and then analyzed to distinguish between ?sky? and ?non-sky? pixels. ...