WP-3D Payload
The science instrument payload is geared to supply information on the project science questions by studying daytime photochemistry, aerosol composition and size distribution, the driving radiation fluxes, transport and chemical conversion.
Download N43RF Instrument Layout (latest version Dec 28, 2007)
Abbreviation | Location | Full name | Description | Personnel |
---|---|---|---|---|
TDL H2O |
Tunable Diode Laser water vapor |
open-path fast-response tunable diode laser absorption spectrometer |
NOAA AOC |
|
WVSS |
Sta. FD |
Water Vapor Sensing System |
fast-response tunable diode laser absorption spectrometer |
NOAA AOC |
LTI |
Low Turbulence Inlet |
Decelerating inlet to provide sample air to aerosol instruments in fuselage |
C. Brock (NOAA) |
|
WLOPC |
White-Light Optical Particle Counter |
counts and sizes larger aerosol particles (mostly soil and sea-salt); samples from LTI |
C. Brock, A. Wollny (NOAA) |
|
CCN |
Cloud Condensation Nucleus counter |
counts number of particles that serve as a core for new cloud water droplets; samples from LTI |
T. Nenes, R. Moore (Ga. Tech) |
|
CRD-AES |
Cavity RingDown-Aerosol Extinction Spectrometer |
measures haziness due to light scattered or absorbed by aerosol particles; samples from LTI |
D. Lack (NOAA) |
|
PSAP |
Sta. 2 |
Particle Soot Absorption Photometer |
measures the amount of light absorption by soot particles; samples from LTI |
D. Lack (NOAA) |
UHSAS |
Sta. 2 |
UltraHigh Sensitivity Aerosol Size spectrometer |
counts and sizes medium aerosol particles; samples from LTI |
C. Brock, J. Cozic (NOAA) |
PILS |
Particle-Into-Liquid Sampler |
dissolves small aerosol particles into liquids for postflight chemical composition analysis; samples from LTI |
P. Veres, J. de Gouw (NOAA) |
|
AMS |
Sta. 3 |
Aerosol Mass Spectrometer |
counts, sizes, and measures the chemical composition of small aerosol particles; samples from LTI |
A. Middlebrook, R. Bahreini (NOAA) |
DMT probes |
Droplet Measurement Technologies cloud probes |
optical measurements to determine cloud droplet physical properties |
NOAA AOC, C. Brock, S. Lance (NOAA) |
|
SP2 |
Single-Particle Soot Photometer |
counts, sizes, and measures the mass of small soot particles; samples from LTI |
R.-S. Gao, S. Schwarz, R. Spackman, L. Watts, D. Fahey (NOAA) |
|
GMD flasks |
Global Monitoring Division whole-air sampling flasks |
collects air samples for postflight analysis of hydrocarbon and halocarbon gases |
S. Montzka, L. Miller, C. Warneke (NOAA) |
|
PTRMS |
Proton Transfer Reaction Mass Spectrometer |
chemical ionization mass spectrometer using H3O+ as reagent ion |
J. de Gouw, C. Warneke (NOAA) |
|
ZAPHROD |
Spectral Actinic Flux Radiometer |
measures solar radiation using spectroradiometers |
H. Stark (NOAA) |
|
NO/NO2/NOy/O3 |
Nitrogen Oxides and Ozone |
measures using chemical reactions that produce near-infrared light |
T. Ryerson, J. Peischl (NOAA) |
|
CO2 |
Sta. C3X |
Carbon Dioxide |
measures by absorption of infrared light |
T. Ryerson, J. Peischl (NOAA) |
FltSci laptop |
Sta. C3X |
flight scientist laptop |
gathers and transfers science and flight-level data to the ground |
K. Aikin (NOAA) |
NMASS |
Nucleation Mode Aerosol Size Spectrometer |
counts and sizes ultrasmall aerosol particles |
C. Brock (NOAA) |
|
PALMS |
AMPS pod |
Particle Analysis by Laser Mass Spectrometry |
measures the chemical composition of individual small and ultrasmall aerosol particles by laser desorption mass spectrometry |
D. Murphy, K. Froyd, T. Thornberry, D. Thomson (NOAA) |
CO |
Carbon Monoxide |
measures by vacuum UV resonance fluorescence |
J. Holloway (NOAA) |
|
PANs |
Peroxyacyl Nitrates |
chemical ionization mass spectrometry using I– as reagent ion |
J. Roberts (NOAA) |
|
SSFR/CG4 |
Sta. 5 |
Solar Spectral Flux Radiometer and Pyrgeometer |
measures up- and down-welling irradiance of visible (SSFR) and infrared (CG4) light |
P. Pilewskie (U. of CO), W. Gore, T. Trias (NASA) |
SO2/CO laptop |
Sulfur Dioxide and CO control laptop |
pulsed UV fluorescence |
J. Holloway (NOAA) |
|
Halogens |
Bromine, Chlorine, Bromine Chloride, Bromine Monoxide |
chemical ionization mass spectrometery using I– as reagent ion |
A. Neuman (NOAA) |
|
SO2 CIMS |
Sta. 7 |
Sulfur Dioxide |
chemical ionization mass spectrometry using SF6– as reagent ion |
J. Nowak (NOAA) |