Tropospheric Chemistry: Instruments

Nitrous Oxide (N2O), Carbon Monoxide (CO), and Water (H2O)

N2O/CO instrument in van
N2O/CO instrument (left) installed in the mobile laboratory

Principle of the Measurement

infrared laser off-axis integrated-cavity-output spectroscopy (OA-ICOS)

Species Measured

N2O, CO, H2O

Time Response

1 Hz


Los Gatos Research Inc. (modified)

Field Projects



Jeff Peischl, Tom Ryerson

Key Publications

Coggon, M.M., P.R. Veres, B. Yuan, A. Koss, C. Warneke, J.B. Gilman, B. Lerner, J. Peischl, K. Aikin, C. Stockwell, L. Hatch, T.B. Ryerson, J.M. Roberts, R. Yokelson, and J. de Gouw, Emissions of nitrogen-containing organic compounds from the burning of herbaceous and arboraceous biomass: fuel composition dependence and the variability of commonly used nitrile tracers, Geophys. Res. Lett., doi:10.1002/2016GL070562, 2016.