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Versie door Villars op 3 apr 2008 om 17:45
The Medium Resolution Imaging Spectrometer (MERIS) is one of the ten instruments onboard the Envisat satellite and operated by the European Space Agency (ESA). MERIS is an imaging spectrometer which measures the solar radiation reflected by the Earth in 15 spectral bands (visible and near-infrared). It obtains a global coverage of the Earth in 3 days. Its main objective is to measure the sea colour and quantify the ocean chlorophyll content and sediment, thus providing information on the ocean carbon cycle and thermal regime. It is also used to derive the cloud top height, cloud optical thickness, aerosol and water vapour column.
The ground spatial resolution of the instrument is 260 m x 290 m. ESA produces MERIS datasets in full resolution (FR): 1 pixel = 260 m x 290 m or reduced resolution (RR): 1 pixel = 1,040 m x 1,160 m.