WP-3D Instrumentation

The science instrument payload is geared to supply information on the project science questions by studying daytime photochemistry, nighttime chemistry, aerosol composition and size distribution, the driving radiation fluxes, transport and chemical conversion.

instrument layout for NOAA WP-3D Orion aircraft

Download N43RF Instrument Layout PDF file (latest version May 20, 2006)


Proposed scientific payload for NOAA WP-3D Orion aircraft
ParameterMethod
Ozone (O3)NO/O3 Chemiluminescence
Nitric Oxide (NO)NO/O3 Chemiluminescence
Nitrogen Dioxide (NO2)Photolysis & NO/O3 Chemiluminescence
Total reactive Nitrogen Oxides (NOy)Au Converter & NO/O3 Chemiluminescence
Carbon Dioxide (CO2)Non-Dispersive InfraRed (NDIR) absorption
In-situ volatile organic compounds (VOCs)Proton Transfer Reaction Mass Spectrometer (PTRMS)
Canister VOCsCanister Sampling, GC/FID, GC-MS
EthyleneLaser Photoacoustic Spectroscopy (LPAS)
Sulfur Dioxide (SO2)UV Pulsed Fluorescence
Carbon Monoxide (CO)VUV Resonance Fluorescence
Formaldehyde (CH2O)Tunable Diode Laser Absorption Spectrometry
PAN's (PAN, PPN)Chemical Ionization Mass Spectrometer (CIMS)
HNO3, NH3CIMS
Hydroxyl Radical (OH), peroxy radicals (HO2+RO2)CIMS
NO3, N2O5Cavity Ring-Down Spectroscopy (CRDS)
Sulfuric Acid (H2SO4)CIMS
Aerosol Bulk Ionic CompositionParticle Into Liquid Sampling (PILS)
Aerosol Bulk CompositionAerosol Mass Spectrometer (AMS)
Total (dry), sub-μm (as f(RH)) aerosol extinctionCavity ringdown spectrometer
Dry sub-μm aerosol absorption (450, 550, 700 nm)Particle soot absorption photometer (PSAP)
Fraction of absorbing aerosolsSoot incandescence
Cloud condensation nucleus (CCN) counterCCN spectrometer
Actinic FluxSpectrally Resolved Radiometer, Zenith & Nadir
Broadband RadiationPyrgeometer
Water Vapor (H2O)Tunable Diode Laser (TDL) absorption
Air TemperaturePlatinum RTD
Dewpoint/FrostpointDewpoint/frostpoint hygrometer
AltitudeBarometric, Radar, GPS