Surface Coherent Change Detection Measurement Instruments

Measurements > Land > Multi-purpose imagery (land) > Surface Coherent Change Detection
Measurement Definition: Techniques that exploit the changes between two or several radar images of the same scene, in conditions where there is measurable coherence between at least a fraction of a pair of images, to detect subtle differences in the surface condition that can be related to sub-wavelength motions, surface properties changes or sub-pixel disturbances.
InstrumentStatus/
Accuracy
Instrument DescriptionMeasurement TechnologyTimeline
L-band SAR (NISAR)Operational3-year mission to study solid earth deformation (earthquakes, volcanoes, landslides), changes in ice (glaciers, sea ice) and changes in vegetation biomassn/a
PAZ SAR-XOperationalHigh resolution X-band radar for security, land use, urban management, environmental monitoring, risk management. Spotlight, Scansar and Stripmap acquisition modes.n/a
SAR (RADARSAT-2)OperationalAll-weather images of ocean, ice and land surfaces. Used for monitoring of coastal zones, polar ice, sea ice, sea state, geological features, vegetation and land surface processes.n/a
SAR (RCM)OperationalAll-weather, C-band data to support ecosystem monitoring, maritime surveillance and disaster management.n/a
SAR-LOperationalLand, ocean, emergencies, soil moisture, interferometry, others.n/a
L-Band SARApprovedL-band SAR instrument combining wide swath, high spatial resolution, high sensitivity, low ambiguity ratios, full polarimetric acquisition capability, and repeat-pass interferometry to support the retrieval of surface deformation over vegetated terrain, above-ground biomass density, soil moisture, land cover and land-cover change, flooded area information, ice sheet and glacier velocity, snow water, sea-ice conditions (type, concentration and motion), ocean winds and sea state conditions, as well as enhancing European maritime situational awareness.n/a
GEO SARProposedEmergency services: monitoring of landslides, subsidence and ground deformation, seismic and volcanic phenomena, terrain and infrastructure stability, flood mapping. Land: terrain stability, soil moisture and wetlands monitoring. Atmosphere: 2D maps of water vapor concentration with high spatial and temporal resolution.n/a