Total Column Mixing Ratios of Carbon Dioxide, Methane and Carbon Monoxide from Toronto (UTSG)

Column-averaged dry-air mole fractions (DMF) of trace gases CO2, CH4 and CO were collected using a Bruker Optics EM27/SUN Fourier Transform Spectrometer (FTS) at the University of Toronto, St George Campus. The data were processed using GGG2020. The retrievals used common prior profiles, interpolated to 43.63N, 79.38W, that were used for retrievals at four long term monitoring sites around Toronto.