Atmospheric specific humidity (at surface)
Measurement Instruments
Measurements > Atmosphere > Atmospheric Humidity Fields > Atmospheric specific humidity (at surface)
Measurement Definition: In a system of moist air, the ratio of the mass of water vapor to the total mass of the system. Conventionally measured at 2 m height [Unit of measurement- g/kg]
Thematic Links
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
| HIRAS-2 | Operational | Measurements: High-spectral-resolution thermal infrared radiance spectra of the Earth–atmosphere system
Applications: Atmospheric profiling, Trace-gas retrieval, NWP data assimilation, Climate monitoring | n/a | |
| TEMPEST | Operational | Hosted on the ISS, TEMPEST measures atmospheric humidity | Multi-purpose imaging MW radiometer | |