Height Of Tropopause
Measurement Instruments
Measurement Definition: Height of the surface separating the troposphere from the stratosphere - Physical unit: [ km ] - Accuracy unit: [ km ].
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
| ACE-FTS | Operational | Measure and understand the chemical processes that control the distribution of ozone in the Earth's atmosphere, especially at high altitudes. | n/a |  |
| AMSU-A | Operational | All-weather night-day temperature sounding to an altitude of 45 km. | n/a | |
| AMSU-A | Operational | All-weather night-day temperature sounding to an altitude of 45 km. AMSU-A on Aqua is still partially operational, with 9 of the 15 channels working and collecting data. | n/a | |
| MTVZA-GY | Operational | Atmospheric temperature and humidity profiles, precipitation, sea-level wind speed, snow/ice coverage. | n/a | |
| MWRI | Operational | All weather observations of precipitation, cloud features, vegetation, soil moisture sea ice, etc. | n/a | |
| MTVZA-GY-MP | Proposed | Atmospheric temperature and humidity profiles, precipitation, sea-level wind speed, snow/ice coverage. | n/a | |