Full Name Advanced Microwave Radiometer for Climate Status Operational
Instrument Agencies NASA, ESA, EUMETSAT, NOAA Maturity
Instrument Type Imaging multi-spectral radiometers (passive microwave) Geometry Nadir-viewing
Instrument Technology Non-scanning MW radiometer Sampling Sounding
Data Access Open Access Data Format NetCDF-4
Measurements and Applications Capabilities of the AMR with the addition of an on-board calibrator for high stability wet-tropospheric path delay correction.
Resolution Summary 41.6 km at 18.7 GHz, 36.1 km at 23.8 GHz, 22.9 km at 34 GHz baseline channels with 5km for higher frequency experimental channels
[Best Resolution: 25m]
Swath Summary Nadir-only viewing, associated to the JASON-CS radar altimeter
Accuracy Summary Total water vapour: 0.2 g/sq cm, Brightness temperature: 0.15 K
Waveband Summary Microwave: 18.7, 23.8 and 34 GHz. With additional experimental high-frequency channels (90, 130, 168 GHz) for high resolution complementing the SAR mode of Poseidon-4 radar.
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
Atmospheric Humidity FieldsAtmospheric specific humidity (TC)
Ocean topography/currentsSea level
Ocean dynamic topography
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Sea Level click here click here search ECV Inventory records
Water Vapour (upper air) click here click here search ECV Inventory records
Instrument Missions
Sentinel-6 A Michael Freilich - Sentinel-6 Michael Freilich (2020 - 2026)
Sentinel-6 B - Sentinel-6 B (2025 - 2031)
Sentinel CRISTAL-A - Copernicus Polar Ice and Snow Topography Altimeter - A (2028 - 2036)
Sentinel CRISTAL-B - Copernicus Polar Ice and Snow Topography Altimeter - B (2030 - 2037)