HDO (column/profile) Measurements Made by Earth Observation Satellites

CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS

Measurements > Atmosphere >
Trace gases (excluding ozone) >
HDO (column/profile)

Measurement Definition*: HDO = Water vapour (with one hydrogen nucleus replaced by its deuterium isotope). Requested from low stratosphere to TOA (layers: LS and HS&M) - Physical unit: [ ppm ] - Accuracy unit: [ % ].

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ECV Water Vapour (upper air)

Instrument	Status/ Accuracy	Instrument Description	Measurement Technology	Timeline
TANSO-FTS Thermal And Near infrared Sensor for carbon Observation - Fourier Transform Spectrometer	Operational	CO2 and CH4 distribution.	n/a
TANSO-FTS-2 Thermal And Near infrared Sensor for carbon Observation - Fourier Transform Spectrometer-2	Operational	CO2, CH4, and CO distribution.	n/a
TANSO-3 Total Anthropogenic and Natural emissions mapping SpectrOmeter-3	Being developed	Global and regional concentration mapping of CO2, CH4, and NO2 for global monitoring of GHG concentrations, verification of emission inventories, and detection of emissions from large sources.	n/a
TES Tropospheric Emission Spectrometer	No longer operational	3D profiles on a global scale of all infra-red active species from surface to lower stratosphere. Measures greenhouse gas concentrations, tropospheric ozone, acid rain precursors, gas exchange leading to stratospheric ozone depletion.	n/a

* Description adapted from WMO.