| Conceptual Reference Database for Building Envelope Research |
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| Essay:CERES CD of Environment CanadaThe source for monthly values of global solar insolation (in MJ/m2) on horizontal and various tilted surface was Environment Canada¡¯s CERES CD (le disque Canadien des Energies Renouvelables Eolienne et Solaire, The Canadian Renewable Energy Wind and Solar Resource CD). CERES provides a variety of summary statistics in graphical and tabular formats related to solar radiation, wind speed and wind energy potential at 144 locations throughout Canada. The solar data includes global, direct beam, and diffuse solar radiation on a horizontal surface and 31 tilted surface orientations including one sun-tracking surface, referred to as FTS (follow the sun).
In fact the hourly solar radiation data used for CERES was taken from Environment Canada¡¯s Canadian Weather Energy and Engineering Data Sets (CWEEDS). CWEEDS files are compiled from national climatological archives and include standard meteorological observations such as temperature, humidity, wind speed and direction, sky conditions, occurrence of weather, solar radiation, etc. Data for the period 1974¨C1993 was used for CERES since it was judged to be the highest quality and most serially complete. The introduction of automatic weather observing systems at several locations after 1993 has affected the usefulness of some the later observations. | ||||||||||