Tropospheric Chemistry: Instruments

Nitrogen Oxides and Ozone (NOy / O3)

NOyO3 instrument in lab
NOyO3 instrument set up for tests in the laboratory

Principle of the Measurement

Species Measured

Nitrogen oxides (NOy), ozone (O3)

Time Response

1 Hz

Field Projects

Key Publications

Ryerson, T.B., R. Camilli, J.D. Kessler, E.B. Kujawinski, C.M. Reddy, D.L. Valentine, E.L. Atlas, D.R. Blake, J.A. de Gouw, S. Meinardi, D.D. Parrish, J. Peischl, J.S. Seewald, and C. Warneke, Chemical data quantify Deepwater Horizon hydrocarbon flow rate and environmental distribution, Proceedings of the National Academy of Sciences, doi:10.1073/pnas.1110564109, 2011.

Ryerson, T.B., K.C. Aikin, W.M. Angevine, E.L. Atlas, D.R. Blake, C.A. Brock, F.C. Fehsenfeld, R.-S. Gao, J.A. de Gouw, D.W. Fahey, J.S. Holloway, D.A. Lack, R.A. Lueb, S. Meinardi, A.M. Middlebrook, D.M. Murphy, J.A. Neuman, J.B. Nowak, D.D. Parrish, J. Peischl, A.E. Perring, I.B. Pollack, A.R. Ravishankara, J.M. Roberts, J.P. Schwarz, J.R. Spackman, H. Stark, C. Warneke, and L.A. Watts, Atmospheric emissions from the Deepwater Horizon spill constrain air-water partitioning, hydrocarbon fate, and leak rate, Geophysical Research Letters, doi:10.1029/2011GL046726, 2011.

Pollack, I. B., B. M. Lerner, T. B. Ryerson, Evaluation of ultraviolet light-emitting diodes for detection of atmospheric NO2 by photolysis - chemiluminescence, Journal of Atmospheric Chemistry, doi:10.1007/s10874-011-9184-3, 2011.

Peischl, J., T.B. Ryerson, J.S. Holloway, D.D. Parrish, M. Trainer, G.J. Frost, K.C. Aikin, S.S. Brown, W.P. Dubé, H. Stark, and F.C. Fehsenfeld, A top-down analysis of emissions from selected Texas power plants during TexAQS 2000 and 2006, Journal of Geophysical Research, doi:10.1029/2009JD013527, 2010.

Ryerson, T. B., M. Trainer, J. S. Holloway, D. D. Parrish, L. G. Huey, D. T. Sueper, G. J. Frost, S. G. Donnelly, S. Schauffler, E. L. Atlas, W. C. Kuster, P. D. Goldan, G. Hübler, J. F. Meagher, F. C. Fehsenfeld, Observations of ozone formation in power plant plumes and implications for ozone control strategies, Science, doi:10.1126/science.1058113, 2001.

Ryerson, T. B., E. J. Williams, and F.C. Fehsenfeld, An efficient photolysis system for fast-response NO2 measurements, Journal of Geophysical Research-Atmospheres, doi:10.1029/2000JD900389, 2000.

Ryerson, T. B., L. G. Huey, K. Knapp, J. A. Neuman, D. D. Parrish, D. T. Sueper, F. C. Fehsenfeld, Design and initial characterization of an inlet for gas-phase NOy measurements from aircraft, Journal of Geophysical Research-Atmospheres, doi:10.1029/1998JD100087, 1999.