Jason-3 helps improve global atmosphere and ocean forecasting
Jason-3 altimeter data is part of the Copernicus programme and is used by the Copernicus Marine Environment Monitoring Service (CMEMS).
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Altimetry data is used to determine sea level height, wind speed and wave height.
The altimetry technique
Altimetry measures the time it takes for a radar pulse to travel from the satellite to the surface and back.