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Surface radiation observed from space
Essential Climate Variables (ECVs) are also based on satellite data which provide, in particular, information on energy and water cycle systems, such as parameters related to Earth radiation, cloud properties and precipitation. The resulting climate datasets of, for instance, solar radiation, precipitation and cloud albedo, cover Europe in its entirety at high spatial resolution for a time period of more than 20 years.
Satellite-based radiation data are also required for environmental and economic purposes, for instance, the planning and monitoring of solar energy systems.
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Trend in solar cloud forcing derived from Heliosat data (1995 - 2005) for Central Europe. Trend information over the ocean is extremely important since energy uptake over de ocean is larger than over land. (source: University of Oldenburg, Germany)
Solar surface irradiance map for the planning and monitoring of solar energy systems. This figure is an example based on CM-SAF data showing the solar energy in kWh/m² that was available between August 2005 and July 2006. (source: DWD)
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