Tropospheric Chemistry: Instruments

Ammonia (NH₃)

Principle of the Measurement

Wavelength-scanned cavity ring down

Species Measured

Ammonia (NH₃)

Manufacturer

Picarro Inc.

Field Projects / Platforms

• DISCOVER-AQ 2013 (NOAA Boulder Atmospheric Observatory tower)
• FRAPPE/DISCOVER-AQ 2014 (CSL Mobile Laboratory)
• Ag Emissions Studies 2014-2015 (CSL Mobile Laboratory)
• VERNNAL 2025 (ground site)

Key Publications

Eilerman, S.J., J. Peischl, J.A. Neuman, T.B. Ryerson, K.C. Aikin, M.W. Holloway, M.A. Zondlo, L.M. Golston, D. Pan, C. Floerchinger, and S. Herndon, Characterization of ammonia, methane, and nitrous oxide emissions from concentrated animal feeding operations in northeastern Colorado, Environmental Science & Technology, doi:10.1021/acs.est.6b02851, 2016.

Sun, K., K. Cady-Pereira, D.J. Miller, L. Tao, M.A. Zondlo, J. Nowak, A. Neuman, T. Mikoviny, M. Müller, A. Wisthaler, A.J. Scarino, and C.A. Hostetler, Validation of TES ammonia observations at the single pixel scale in the San Joaquin Valley during DISCOVER-AQ, Journal of Geophysical Research, doi:10.1002/2014JD022846, 2015.