Operational Monitoring of Trace Gases over the Mediterranean Sea

Table 1

Accuracy of the retrieved total columns of the trace and minor gases for a single IASI field of view.

Gas species	Absolute accuracy	Relative accuracy
CO2	±3 ppmv	<1%
CO	±1.5 ppbv	≈1.5%
CH4	±13 ppbv	<1%
N2O	±15 ppbv	≈5%