| Parameter |
Time Resolution |
Method |
Detection Limit / Range |
Principal Investigator |
| Ozone (O3) |
10 seconds |
UV Absorption |
1 ppbv |
D. Parrish, J. Holloway (NOAA AL) |
| Ozone (O3) |
< 1 second |
NO/O3 Chemiluminescence |
0.2 ppbv |
D. Parrish, J. Holloway (NOAA AL) |
| Nitric Oxide (NO) |
0.7 second |
NO/O3 Chemiluminescence |
20 ppbv |
T. Ryerson, D. Nicks (NOAA AL) |
| Nitrogen Dioxide (NO2) |
0.7 second |
Photolysis NO/O3 Chemiluminescence |
100 ppbv |
T. Ryerson, D. Nicks (NOAA AL) |
| Total Nitrogen Oxides (NOy) |
1 second |
Au Converter. NO/O3 Chemiluminescence |
100 ppbv |
T. Ryerson, D. Nicks (NOAA AL) |
| Sulfur Dioxide (SO2) |
unknown |
Denuder Difference with SO/O3 Chemiluminescence |
unknown |
T. Ryerson, D. Nicks (NOAA AL) |
| Nitric Acid (HNO3) |
1 second |
Chemical Ionization Mass Spectrometer (CIMS) |
100 pptv |
A. Neuman, J. Nowak (NOAA AL) |
| In-situ VOCs |
depends on choice and # of species |
Proton Transfer Reaction Mass Spectrometer (PTRMS) |
depends on species |
J. de Gouw, C. Warneke (NOAA AL) |
| Canister VOCs |
< 1 min. at selected times |
Canister Sampling, GC/FID, GCMS |
10 pptv |
E. Atlas, S. Donnelly, S. Schauffler (NCAR ACD) |
| Carbon Dioxide (CO2) |
second |
NDIR |
60 ppbv |
D. Parrish, J. Holloway E. Dunlea (NOAA AL) |
| Sulfur Dioxide (SO2) |
1 seconds |
UV Pulsed Fluorescence |
1 ppbv |
D. Parrish, J. Holloway, E. Dunlea (NOAA AL) |
| Carbon Monoxide (CO) |
1 second |
VUV Resonance Fluorescence |
1 ppbv |
D. Parrish, J. Holloway, E. Dunlea (NOAA AL) |
| Hydroxyl Radical (OH) |
unknown |
CIMS |
unknown |
G. Huey, D. Tanner (Georgia Tech) |
| Sulfuric Acid (H2SO4) |
unknown |
CIMS |
100 ppmv |
G. Huey, D. Tanner (Georgia Tech) |
| PAN, PPN, MPAN, PiBN, APAN |
every 3.5 min |
Dir. Injection., GC/ECD |
5 pptv |
F. Flocke (NCAR ACD), J. Roberts (NOAA AL) |
| Aerosol Single Particle Compostion |
unquantified |
Particle Analysis by Laser Mass Spectrometry (PALMS) |
unknown |
D. Murphy, D. Thompson (NOAA AL) |
| Aerosol Bulk Ionic Compostion |
unquantified |
Particle Into Liquid Sampling (PILS) |
unknown |
R. Weber (Georgia Tech) |
| Small Aerosol Concentration |
1 sec, usually integrated to 10 sec |
Aerosol Size Spectrometer |
5 - 60 nm |
C. Brock (NOAA AL), C. Wilson (Univ. of Denver) |
| Aerosol Size Distribution |
1 sec, usually integrated to 10 sec |
Focussed Cavity Aerosol Spectrometer |
0.07 -1.2 µm |
C. Brock (NOAA AL), C. Wilson (Univ. of Denver) |
| Large Aerosol Concentration with LTI |
1 sec, usually integrated to 10 sec |
White Light Scattering (Climet & LasAir) |
0.5 - 10 µm |
C. Brock, D. Murphy (NOAA AL), C. Wilson (Univ. of Denver) |
| Photolytic Flux |
1 second |
280-400 nm spectrally resolved Radiometer, Zenith & Nadir |
unknown |
R. Jakoubek (NOAA AL) |
| Broadband UV Flux (jNO2) |
300 - 380 nm |
2 Hemispheric Radiometers |
unknown |
R. Jakoubek (NOAA AL) |
| Broadband Radiation |
1 second |
Pyrgeometer |
3.5 - 50 µm |
NOAA AOC |
| Broadband Radiation |
1 second |
3 Pyranometers with cutoff filters |
0.28 -2.8 µm |
NOAA AOC |
| Water Vapor (H2O) |
< 1 second recorded at 40 Hz |
Lyman Alpha Absorption |
depends on gap setting |
NOAA AOC |
| Air Temp. |
~ 1 second |
Platinum Resistor |
± 0.5 °C |
NOAA AOC |
| Dewpoint/Frostpoint |
< 3 seconds |
Dew/Frostpoint Hygrometer |
-75 to +50 °C |
NOAA AOC |
| Altitude |
1 second |
Barometric, Radar, GPS |
unknown |
NOAA AOC |
| Position |
1 second |
GPS, INE |
unknown |
NOAA AOC |
