Measured Parameter | Method | Time Resolution | Detection Limit | Principal Investigator |
---|---|---|---|---|
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 / Tom Ryerson |
CO2 and CH4 | Wavelength scanned cavity ring-down spectroscopy | 1 sec | 0.2 ppmv for CO2 2 ppbv for CH4 |
Jeff Peischl / Tom Ryerson |
H3O+CIMS | Chemical ionization mass spectrometer | 1 sec | 20–600 ppt at 3 sigma for 1sec. integration time | Carsten Warneke / Matt Coggon |
WAS/GC-MS | Whole air samples analyzed by gas chromatography-mass spectrometry | approx 5 sec sample file time | varies by compound | Jessica Gilman |
Position and Met Data | Differential GPS, Airmar Wx and Young 2-D sonic | 1 sec | Ken Aikin / Jeff Peischl |