CEOS EO HANDBOOK – INSTRUMENT SUMMARY - UVNS (Sentinel-5 precursor) -
Full Name TROPOMI Status Operational
Instrument Agencies ESA, COM, NSO Maturity
Instrument Type Atmospheric chemistry Geometry Nadir-viewing
Instrument Technology High-resolution nadir-scanning SW spectrometer Sampling Imaging
Data Access Open Access Data Format NetCDF-4
Measurements and Applications Supporting atmospheric composition and air quality monitoring services.
Resolution Summary 5 - 15 km at SSP, possibly relaxed to 50 km for wavelengths < 300 nm
[Best Resolution: 7000m]
Swath Summary Daily global coverage
[Max Swath: 2600 km]
Accuracy Summary TBD
Waveband Summary UV-1: 270 - 300 nm, UV-2: 300 - 400 nm, VIS: 400 - 500 nm, NIR: 710 - 775 nm, SWIR-3: 2305 - 2385 nm
UV (~0.01 µm - ~0.40 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
AerosolsAerosol absorption optical depth (column/profile)
Atmospheric Humidity FieldsAtmospheric specific humidity (TC)
Cloud type, amount and cloud top temperatureCloud top height
OzoneO3 Mole Fraction
Trace gases (excluding ozone)CH4 Mole Fraction
CO Mole Fraction
NO2 Mole Fraction
BrO (TC)
SO2 Mole Fraction
HCHO Mole Fraction
CHOCHO (TC)
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Carbon Dioxide, Methane and other Greenhouse gases click here click here search ECV Inventory records
Ozone click here click here search ECV Inventory records
Precursors (supporting the Aerosol and Ozone ECVs) click here click here search ECV Inventory records
Water Vapour (upper air) click here click here search ECV Inventory records
Instrument Missions
Sentinel-5 precursor - Sentinel-5 precursor (2017 - 2027)