MULTINATIONAL ORGANIZATIONS
The World Radiation Data Centre (WRDC) located at the Main Geophysical Observatory in St. Petersburg, Russia, serves as a central depository for solar radiation data collected at over 1000 measurement sites throughout the world. The WRDC was established in accordance with Resolution 31 of WMO Executive Committee XVIII in 1964. The WRDC centrally collects, archives and published radiometric data from the world to ensure the availability of these data for research by the international scientific community. The WRDC archive contains the following measurements (not all observations are made at all sites): Global solar radiation Diffuse solar radiation Downward atmospheric radiation Sunshine duration Direct solar radiation (hourly and instantaneous) Net total radiation Net terrestrial surface radiation (upward) Terrestrial surface radiation Reflected solar radiation Spectral radiation components (instantaneous fluxes) Website: "http://wrdc-mgo.nrel.gov/" [Summary provided by WRDC.]
WDC/RADIATION, ST. PETERSBURG