Sentinel-3

Ocean & Land Monitoring

Sentinel-3 is an ocean and land mission that provides data continuity for the ERS and ENVISAT. The mission makes use of multiple sensing instruments to accomplish its objectives, each instrument being attached to one specific dataset:
  • SLSTR (Sea and Land Surface Temperature Radiometer)
  • OLCI (Ocean and Land Colour Instrument)
  • SRAL (SAR Altimeter)
  • DORIS (Doppler Orbitography and Radiopositioning Integrated by Satellite)
  • MWR (Microwave Radiometer).

All files of a product are encapsulated into a SAFE container. Level-1 and 2 data are provided in free-standing netCDF 4 product files.
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Sentinel-3 SRAL

Sentinel-3 carries a dual-frequency SAR altimeter called the SAR Radar ALtimeter (SRAL) instrument. It produces altimetry and calibration products.

Sentinel-3 OLCI

Sentinel-3 is equipped with a sophisticated push-broom imaging spectrometer instrument known as the Ocean and Land Colour Instrument (OLCI). This instrument plays a pivotal role in the satellite's mission by capturing valuable data about Earth's oceans and land areas.

Sentinel-3 SLSTR

Sentinel-3 carries a dual view (near-nadir and backward views) conical imaging radiometer called the Sea and Land Surface Temperature Radiometer (SLSTR) instrument.

Sentinel-3 SYNERGY

Some Sentinel-3 instruments can be combined to build new products, called synergy products. SYN Level-1 processing aims to retrieve the OLCI and SLSTR radiances and brightness temperature in their acquisition geometry.