| Parameter |
Time Resolution |
Method | Det. Limit |
| Ozone (O3) |
10 s |
UV Absorption |
1 ppb |
| Fast O3 |
1 s |
NO/O3 Chemiluminescence |
0.2 ppb |
| Fast CO (FCO) |
1 s |
VUV Resonance Fluorescence |
1 ppb |
| Carbon Dioxide (CO2) |
< 1 s |
NDIR | 0.2 ppm |
| Sulfur Dioxide (SO2) |
2 s |
UV Pulsed Fluorescence |
1 ppb |
| Nitric Oxide (NO) |
1 s |
NO/O3 Chemiluminescence |
30 ppt |
| Nitrogen Dioxide (NO2) |
3 s |
Photolysis, NO/O3 Chem. |
100 ppt |
| Total Nitrogen Oxides (NOy) |
1 s |
Au Converter, NO/O3 Chem. |
50 ppt |
| PAN
| 1 s / every 6 min |
Dir. Injection, GC/ECD |
< 5 ppt |
| PPN
| 1 s / every 6 min |
Dir. Injection, GC/ECD |
< 5 ppt |
| MPAN
| 1 s /every 6 min |
Dir. Injection, GC/ECD |
< 5 ppt |
| Nitric Acid (HNO3) |
1 s |
C I Mass Spectrometry |
10 ppt |
| NH3
| 5 s |
C I Mass Spectrometry |
50 ppt |
| In-situ VOCs |
1 min./every 15 min |
Cryo Collection, GC/FID |
< 10 ppt |
| Canister VOCs |
< 1 min. |
Canister Sampling, GC/MS |
< 10 ppt |
| CH2O |
|
Liquid Chromatography |
|
| Peroxides (incl. H2O2) |
1 min |
Dual Enzymatic / Fluorimeter |
30 ppt |
| Aerosol size distribution |
1 s |
NMASS |
5 - 90 nm |
| Aerosol size distribution |
1 s |
ERAST |
70 - 1000 nm |
| Total Radiation |
1 s |
Eppley Pyranometers - Zenith & Nadir |
0.28 - 2.8 µ |
| UV Radiation |
~10 s |
Spectral Radiometer - Zenith & Nadir |
295 - 480 nm |
| Visible Radiation |
|
Visible Absorption Spectrometer |
420 - 700 nm |
| Water Vapor (H2O) |
1 s |
Lyman Alpha Absorption |
|
| Air Temperature |
1 s |
Platinum Thermistor |
|
| Dewpoint/Frostpoint |
< 3 s |
Chilled Mirror |
|
| Wind Speed |
1 s |
Derived from INE |
|
| Wind Direction |
1 s |
Derived from INE |
|
| Altitude |
1 s |
Barometric |
|
| Position |
1 s |
GPS, INE |
|
| Air Speed |
1 s |
Barometric |
|
| Biometer |
|
3-wavelength IR Absorption |
|
| Atmospheric Reflectivity |
|
C & X Band Radars |
|
