Ocean Imagery And Water Leaving Spectral Radiance Measurement Instruments

Measurements > Ocean > Multi-purpose imagery (ocean) > Ocean imagery and water leaving spectral radiance
Measurement Definition: A two-dimensional array of water leaving radiance values - Measuring units. W .m-2 . sr-1 .nm-1, Uncertainty units %

Thematic Links
InstrumentStatus/
Accuracy		Instrument DescriptionMeasurement TechnologyTimeline
ABIOperationalDetects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index.n/a
AGRIOperationalA multiple channel radiation imager, one of the primary instruments aboard FY-4. Technically featured by a precisely designed two-mirror structure, capable of accurate and flexible sensing in two dimensions, and minute-level fast sector scanning. Frequent Earth imaging over 14 bands with off-axis three reflections of the primary optic system. On-board black body available for IR calibrations at very short time intervals.n/a
AVHRR/3OperationalMeasurements of land and sea surface temperature, cloud cover, snow and ice cover, soil moisture and vegetation indices. Data also used for volcanic eruption monitoring.n/a
C-Band SAROperationalMarine 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.n/a
HSI-2 (HJ-2A)OperationalHyperspectral measurements for environment and disaster management operations.n/a
ImagerOperationalMeasures cloud cover, atmospheric radiance, winds, atmospheric stability, rainfall estimates. Used to provide severe storm warnings/ monitoring day and night (type, amount, storm features).n/a
MBEIOperationalMultispectral scanner images of land surface.n/a
MODISOperationalData on biological and physical processes on the surface of the Earth and in the lower atmosphere, and on global dynamics. Surface temperatures of land and ocean, chlorophyll fluorescence, land cover measurements, cloud cover (day and night).n/a
MSI (Sentinel-2)OperationalOptical high spatial resolution imagery over land and coastal areas for Copernicus operational services.n/a
MSU-MROperationalParameters of clouds, snow, ice and land cover, vegetation, surface temperature, fire detection.n/a
OCIOperationalOcean color slit-grating imaging spectrometer/radiometer for measuring top of atmosphere reflectance which is used to estimate ocean leaving light that contains information on biological components plus aerosol and cloud propertiesln/a
OLCIOperationalMarine and land services.n/a
OLIOperationalMeasures surface radiance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications.n/a
OLI-2OperationalMeasures surface radiance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications.n/a
PALSAR-2OperationalDisaster monitoring, land monitoring, agricultural monitoring, natural resource exploration, global forest monitoring, potential use and interferometry.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
SGLIOperational
+/-30 %
Medium resolution multi-spectral imaging of land, ocean and atmosphere. SGLI-VNR is an optical sensor capable of multi-channel nadir observation at wavelengths from near-UV to NIR and forward or backward polarization observation at red and near infrared wavelengths (Push-broom scanning). SGLI-IRS is an optical sensor capable of multi-channel nadir observation at wavelengths from SWIR to TIR wavelengths (Cross-track scanning).n/a
VIIRSOperationalGlobal observations of land, ocean, and atmosphere parameters: cloud/weather imagery, sea-surface temperature, ocean colour, land surface vegetation indices.n/a
VISSR-2OperationalMeteorological.n/a
WSAROperationalHigh resolution radar measurements of land and ocean features.n/a
X-Band SAROperationalHigh resolution images for monitoring of land surface and coastal processes and for agricultural, geological and hydrological applications.n/a
AMSIBeing developedOptical high spatial resolution imagery over land and coastal areas for Copernicus operational services.n/a
AOLCIBeing developedVisible and near-infrared hyperspectral radiometer supporting a wide range of Marine, Land, Atmosphere and Climate Services. Provides enhanced continutity of ocean colour and land colour measurements from OLCI and enhanced synergy with ASLSTRn/a
GLIMR InstrumentBeing developedGLIMR will make observations of rapidly evolving phytoplankton dynamics and hazards such as Harmful Algal Blooms (HABs) and oil spills in the Gulf of Mexico and other selected coastal regions of North and South American/a
GXIBeing developedDetects clouds, cloud properties, water vapour, land and sea surface temperatures, dust, aerosols, volcanic ash, fires, total ozone, snow and ice cover, vegetation index.n/a
PALSAR-3Being developedDisaster monitoring, land monitoring, agricultural monitoring, natural resource exploration, global forest monitoring, potential use and interferometry.n/a
Advanced MSU-MRProposedParameters of clouds, snow, ice and land cover, vegetation, surface temperature, fire detection.n/a
HSCProposedLow light detection applicationsn/a
LandISProposedMeasures surface radiance, land cover state and change (e.g., vegetation type), and longwave termal infrared surface emittance. Used as multi-purpose imagery for land applications.n/a
L-Band SARProposedGlobal observation of dynamic processes in the bio-, cryo-, geo- and hydrosphere.n/a
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