Atmospheric Chemistry Group
Prof. Mark A. Zondlo
Department of Civil and Environmental Engineering
Center for Mid-Infrared Technologies for Health and the Environment
Princeton University

Welcome to the Zondlo group website!

My research group studies fundamental areas in the atmospheric sciences such as cloud formation, the composition of aerosol particles in air quality, and the sources of greenhouse gases. The effects of aerosol particles and cloud formation on climate are the largest sources of uncertainty in predicting anthropogenic activities on climate.

To research these areas, my group develops novel optical sensors and deploys them in field campaigns in ground-based networks and on aircraft-based research platforms. As part of the NSF Center for Mid-Infrared Technologies for Health and the Environment (MIRTHE), we apply new advances in laser-based detection schemes to problems of atmospheric importance. These new light sources allow for unprecedented capabilities to probe the atmosphere, thereby advancing the understanding of societal problems of air quality, global climate change, and ozone depletion.

Recent News

August 8, 2013: Victor Fu wins Best Poster Presentation at MIRTHE Annual Workshop 2014.

Feburary 21, 2014: David Miller successfully defends Ph.D. dissertation

September 25, 2013: Mobile platform featured in NASA DISCOVER-AQ article: Mobile Laboratories Measure Air Quality in Houston

August 8, 2013: MIRTHE REU Jake Buglione wins best poster at 2013 MIRTHE Workshop

August 1, 2013: Minghui Diao successfully defends Ph.D. dissertation


Earth's Last Frontier: The Atmosphere

Using Mid-Infrared Lasers:
MIRTHE Student Led Independent Project

Science at 47,000 feet: Laser hygrometer onboard the NSF Gulfstream-V research aircraft studying cloud formation.

Latest Field Campaigns

NASA DISCOVER-AQ (Colorado), 2014
CARE-BEIJING-NCP (Beijing, China), 2014
EDF Barnett Coordinated Campaign (Texas), 2013
NASA DISCOVER-AQ (Houston), 2013
CARE-BEIJING-NCP (Beijing, China), 2013
NASA DISCOVER-AQ (California), 2013
MIRTHE SLIP (Baltimore-Washington), 2013
NSF MPEX (Colorado), 2013
NSF Deep Convection Clouds Chemistry (Kansas), 2012
NSF TORERO (Chile), 2012

Latest Publications

Ammonia and methane dairy emission plumes in the San Joaquin Valley of California from individual feedlot to regional scales.
D.J. Miller, J. Geophys. Res-Atmos., , DOI:10.1002/2015JD023241, 2015

Validation of TES ammonia observations at the single pixel scale in the San Joaquin Valley during DISCOVER-AQ
K. Sun et al., J. Geophys. Res-Atmos., DOI:10.1002/2014JD022846, 2015

Open-path eddy covariance measurements of ammonia fluxes from a beef cattle feedlot
K. Sun et al., Agr. Forest Meterol. , DOI:10.1016/j.agrformet.2015.06.007, 2015

Near-Field Characterization of Methane Emission Variability from a Compressor Station Using a Model Aircraft.
B.J. Nathan et al., Environ. Sci. Technol., DOI: 10.1021/acs.est.5b00705, 2015.

Low-power, open-path mobile sensing platform for high-resolution measurements of greenhouse gases and air pollutants.
L. Tao et al., Appl. Phys. B, DOI:10.1007/s00340-015-6069-1, 2015.

Active and widespread halogen chemistry in the tropical and subtropical free troposphere.
S. Wang et al., PNAS, DOI:10.1073/pnas.1505142112, 2015.