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.

instrument layout for NOAA WP-3D Orion aircraft

Download N43RF Instrument Layout PDF file (latest version Dec 28, 2007)


Abbreviation Location Full name Description Personnel

TDL H2O

Sta. FD

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

Sta. FD

Low Turbulence Inlet

Decelerating inlet to provide sample air to aerosol instruments in fuselage

C. Brock (NOAA)

WLOPC

Sta. FD &  B cab.

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

Sta. 2 forward

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

Sta. 2

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

Sta. 3

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

Sta. 3 & LWS 485

Droplet Measurement Technologies cloud probes

optical measurements to determine cloud droplet physical properties

NOAA AOC, C. Brock, S. Lance (NOAA)

SP2

Sta. 4

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

Dual passenger

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

Sta. 8

Proton Transfer Reaction Mass Spectrometer

chemical ionization mass spectrometer using H3O+ as reagent ion

J. de Gouw, C. Warneke (NOAA)

ZAPHROD

J cab.

Spectral Actinic Flux Radiometer

measures solar radiation using spectroradiometers

H. Stark (NOAA)

NO/NO2/NOy/O3

Sta. C3X

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

AMPS pod

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

CO pod

Carbon Monoxide

measures by vacuum UV resonance fluorescence

J. Holloway (NOAA)

PANs

Sta. 5

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

Sta. 6

Sulfur Dioxide and CO control laptop

pulsed UV fluorescence

J. Holloway (NOAA)

Halogens

Sta. 7

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)