CO2 Total Column
Measurement Instruments
Measurement Definition: 2D field of total amount of CO2 molecules per unit area in an atmospheric column extending from the Earth’s surface to the upper edge of the atmosphere - Measuring Units molecules.cm-2, Uncertainty Units %
Thematic Links
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
| IASI | Operational +/-20 % | Measures tropospheric moisture and temperature, column integrated contents of ozone, carbon monoxide, methane, nitrous oxide and other minor gases which affect tropospheric chemistry. Also measures sea surface and land temperature. | n/a |  |