Tropospheric Chemistry: Instruments
NOxCaRD (Nitrogen Oxides by Cavity Ring Down)
Principle of the Measurement
diode laser cavity ring down spectroscopy
Species Measured
NO, NO2, O3, NOy
Time Response / Detection Limit
1 second / 30 pptv
Field Projects
- ACCRONIM 2009
- CalNex 2010
- UBWOS 2012, 2013, 2014
- SOAS 2013
- DISCOVER-AQ 2014
- SONGNEX 2015
- UWFPS 2017
- FAST-LVOS 2017
Key Publications
Womack, C. C., Neuman, J. A., Veres, P. R., Eilerman, S. J., Brock, C. A., Decker, Z. C. J., Zarzana, K. J., Dubé, W. P., Wild, R. J., Wooldridge, P. J., Cohen, R. C., and Brown, S. S., Evaluation of the accuracy of thermal dissociation CRDS and LIF techniques for atmospheric measurement of reactive nitrogen species, Atmos. Meas. Tech., doi:10.5194/amt-10-1911-2017, 2017
Wild, R. J., Edwards, P. M., Dubé, W. P., Baumann, K., Edgerton, E. S., Quinn, P. K., Roberts, J. M., Rollins, A. W., Veres, P. R., Warneke, C., Williams, E. J., Yuan, B., and Brown, S. S., A measurement of total reactive nitrogen, NOy, together with NO2, NO, and O3 via Cavity Ring-down Spectroscopy, Environ. Sci. Technol., doi:10.1021/es501896w, 2014.
Fuchs, H., W. P. Dubé, B. M. Lerner, N. L. Wagner, E. J. Williams, and S. S. Brown, A sensitive and versatile detector for atmospheric NO2 and NOx based on blue diode laser cavity ring-down spectroscopy, Environmental Science & Technology, doi:10.1021/es902067h, 2009.