Tropospheric Chemistry: Instruments

CO2 instrument at Erie Tower

CO2 instrument deployed at Erie Tower

Carbon Dioxide (CO2)

Principle of the Measurement

Dual-beam (non-dispersive) infrared absorption

Species Measured


Time Response

1 Hz


LI-COR Inc. LI-6262 (modified)

Field Projects

  • TexAQS 2006
  • Erie Tower 2007
  • ARCPAC 2008
  • CalNex 2010


  • NOAA WP-3D aircraft
  • BAO ground site
  • Pasadena ground site


Jeff Peischl, Tom Ryerson

Key Publications

J. Peischl, 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, J. Geophys. Res., doi:10.1029/2009JD013527, 2010.