Intercomparison of UV/visible spectrometrers for measurements of stratospheric NO2 for the network for the detection of stratospheric change
De Maziere, M.
Van Roozendael, M.
Earth and related Environmental sciences
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During the period May 12-23, 1992, seven groups from seven countries met in Lauder, New Zealand, to intercompare their remote sensing instruments for the measurement of atmospheric column NO2 from the surface. The purpose of the intercomparison was to determine the degree of intercomparability and to qualify instruments for use in the Network for the Detection of Stratospheric Change (NDSC). All instruments were successful in obtaining slant column NO2 amounts at sunrise and sunset on most of the 12 days of the intercomparison. The group as a whole was able to make measurements of the 90° solar zenith angle slant path NO2 column amount that agreed to about ±10% most of the time. Part of the sensitivity problem for these measurements is the result of instrumentation, and part is related to the data analysis algorithms used.
CitationHofmann, D.; Bonasoni, P.; De Maziere, M.; Evangelisti, F.; Giovanelli, G.; Goldman, A.; Goutail, F.; Harder, J.; Jakoubek, R.; Johnston, P.; Kerr, J.; Matthews, W.A.; McElroy, T.; McKenzie, R.; Mount, G.; Platt, U.; Pommereau, J.-P.; Sarkissian, A.; Simon, P.; Solomon, S.; Stutz, J.; Thomas, A.; Van Roozendael, M.; Wu, E. (1995). Intercomparison of UV/visible spectrometrers for measurements of stratospheric NO2 for the network for the detection of stratospheric change. , Journal of Geophysical Research, Vol. 100, Issue D8, 16765-16791, DOI: 10.1029/95JD00620.