Tropospheric Chemistry: Instruments

Our field projects have been designed to address components of the major research topics of air quality and climate by making measurements of chemical species, aerosol size and composition, as well as solar radiation using an extensive suite of instruments.

Mobile and Ground-based Instruments

Abbreviation Name Measurement Contact
ACES Airborne Cavity Enhanced Spectrometer CH3COCHO, CHOCHO, HONO, NO2 Carrie Womack
Rebecca Washenfelder
Steve Brown
AMS Aerosol Mass Spectrometer Aerosol composition Ann Middlebrook
ARNOLD Atmospheric Ring-down Nitrogen Oxide Laser Detector NO3, N2O5, NO, NO2, O3 Zach Decker
Steve Brown
BBCES BroadBand Cavity Enhanced Spectrometer Aerosol extinction and refractive index Rebecca Washenfelder
Carrie Womack
BrC-PILS Brown Carbon-Particle-Into-Liquid Sampler Water-soluble organic aerosol absorption and concentration Rebecca Washenfelder
C2H6 Ethane TDL (tunable diode laser) C2H6 Jeff Peischl
CARDINO CARIBIC Autonomous Ring-Down Instrument for Nitrogen Oxides NO, NO2, NO3, N2O5 Steve Brown
CO2/CH4 Carbon Dioxide / Methane Picarro CO2, CH4 Jeff Peischl
GC-MS Gas Chromatography Mass Spectrometry Non-methane hydrocarbons and other volatiles containing oxygen, nitrogen, sulfur, and halogens Jessica Gilman
I-ToF CIMS Iodide Ion Time-of-Flight Chemical Ionization Mass Spectrometer Reactive nitrogens, halogen oxides, others Patrick Veres
Andy Neuman
iWAS Integrated Whole Air Sampler Gas-phase atmospheric sample collection for offline analysis by GC-MS Jessica Gilman
mACES miniature Airborne Cavity Enhanced Spectrometer NO2 Carrie Womack
Mobile Lab Modified 15 passenger van Location, winds, temperature (T), pressure (P), and up to 5 configurable instrumentation racks Ken Aikin
Jeff Peischl
N2O/CO/H2O Nitrous Oxide / Carbon Monoxide / Water Modified LGR (Los Gatos Research) N2O, CO, H2O Jeff Peischl
NOxCaRD Nitrogen Oxides by Cavity Ring Down NO3, N2O5, NO, NO2, NOy, O3 Carrie Womack
Zach Decker
Steve Brown
NOyO3 Nitrogen Oxides and Ozone chemiluminescence NO, NO2, NOy, O3 Jeff Peischl,
Kristen Zuraski
PAN CIMS PAN Chemical Ionization Mass Spectrometer Peroxyacyl nitrates (PANs) Patrick Veres
PTR-ToF-MS Proton-Transfer Reaction high-resolution Time-of-Flight Mass Spectrometry Saturated, unsaturated, and oxygenated hydrocarbons; other volatiles Matt Coggon
Carsten Warneke
RONALD Reactive Oxides of Nitrogen NO3, N2O5 Steve Brown
VIA-VOCUS-LTOF VOCUS Inlet for Aerosols - VOCUS - Long Time-of-Flight mass spectrometer with optional Extractive Electrospray Ionization (EESI) Chemically detailed aerosol and trace gas composition Carsten Warneke
Matt Coggon
Chelsea Stockwell