NO2 column amounts from ground-based Pandora and MFDOAS spectrometers using the direct-sun DOAS technique: Intercomparisons and application to OMI validation

Herman, Jay ; Cede, Alexander ; Spinei, Elena ; Mount, George ; Tzortziou, Maria ; Abuhassan, Nader. (2009). . Journal of Geophysical Research. D. Atmospheres, 114 http://dx.doi.org/10.1029/2009JD011848