O3 Total Column
Measurement Instruments
Measurement Definition: 2D field of total amount of O3 molecules per unit area in an atmospheric column extending from the Earth’s surface to the upper edge of the atmosphere (Dobson units) - Measuring Units [ DU ], Dobson Unit, for total column (1 DU = 2.69٠1020 molecules/m2) - Accuracy unit: [DU]
Thematic Links
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
| EMI-2 | Operational | Ozone profile and total-column or gross profile of other species. Tracked species: BrO, ClO H2O, HCHO, NO, NO2, O3, SO2 and aerosol | n/a |  |
| NACHOS Hyperspectral Imager | Operational | | n/a | |
| UVN (Sentinel-4) | Being developed | Supporting atmospheric composition and air quality monitoring services. | n/a | |
| UVNS (Sentinel-5) | Being developed | Supporting atmospheric composition and air quality monitoring services. Measurements of atmospheric trace gases, primarily O3, NO2, SO2, HCHO, CH4, CO, CHOCHO as well as Aerosols and UV Index. | n/a | |