THE CEOS DATABASE : MEASUREMENT INSTRUMENTS

THE CEOS DATABASE : Missions, Instruments and Measurements

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CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS

Measurements > Ocean >
Ocean wave height and spectrum >
Dominant wave period

Measurement Definition*: One feature of the ocean wave spectrum. It is the period of the most energetic wave in the spectrum - Physical unit: [ s ] - Accuracy unit: [ s ].

Instrument	Status/ Accuracy	Instrument Description	Measurement Technology	Timeline
C-Band SAR C-Band Synthetic Aperture Radar	Operational	Marine core services, land monitoring and emergency services. Monitoring sea ice zones and arctic environment. Surveillance of marine environment, monitoring land surface motion risks, mapping of land surfaces (forest, water and soil, agriculture), mapping in support of humanitarian aid in crisis situations.	Imaging radar (SAR)
SWIM Surface Waves Investigation and Monitoring	Operational	Ku-band Real-aperture radar (RAR) system, multi-incindence beams(0-10°) and azimuth scanning. Measurement of 2D ocean waves spectrum	n/a

* Description adapted from WMO.


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