Measured Parameter | Method | Time Resolution | Detection Limit | Principal Investigator |
---|---|---|---|---|
CO2 and CH4 | Wavelength scanned cavity ring-down spectroscopy | 1 sec | 0.2 ppmv for CO2 2 ppbv for CH4 |
Jeff Peischl |
H3O+CIMS | Chemical ionization mass spectrometer | 1 sec | 20–600 ppt at 3 sigma for 1sec. integration time | Matt Coggon |
N2O, CO, H2O | Integrated cavity output spectroscopy | 1 sec. | 0.2 ppb for N2O 0.2 ppb for CO 100 ppm for H2O |
Jeff Peischl |
NH3 and H2O | Cavity ring-down spectroscopy | variable | 1 ppb for NH3 0.05% for H2O |
Andy Neuman |
NO, NO2, NOy, O3 | Cavity ring-down spectroscopy | 1 sec | 0.1 - 0.001 ppbv | Steve Brown |
Position and Met Data | Differential GPS, Airmar Wx and Young 2-D sonic | 1 sec | Ken Aikin / Jeff Peischl | |
iWAS | Whole Air Sampler | various | VOCs by GC-MS analysis | Jessica Gilman |