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NACHTT 2011 Instruments

Instrument Species Measured ICARTT file prefix PI's
Tower carriage-based measurements
Acid CIMS HCl, HONO, HNO3, HNCO, Organic acids ACIDCIMS Roberts / Vandenboor
CRDS (Arnold) NO, NO2, O3, NO3, N2O5 ARNOLD Wagner / Young / Dube / Brown
UW CIMS ClNO2, N2O5, Cl2, Other halogens ?? UWCIMS Riedel / Thornton
AMS NH4, SO4, NO3, Org, Cl AMS Bahreini / Middlebrook
Particle Counter - with AMS (Condensation Particle Counter) PM2.5 CPC Bahreini / Middlebrook
UHSAS Aerosol number, surface, volume AeroFine Brock
Met Station T, P, RH, Wind Spd, Wind Dir Met1min, Met1sec Williams / Wolfe
Height Carriage Height Height1min, Height1sec Dube
Fixed-height measurements
Gas phase inorganic / organic acids from 20m on tower HCl, HNO3, NH3, HCOOH, CH3COOH, soluble Br- MC Bill Keene / Alex Pszenny
Particle phase composition from 20m on tower Size resolved aerosol ionic composition, 0.25um - 20 um. Ionic and elemental data for aerosols collected in bulk with hi-volume sampler configured with Whatman-41 filters deployed over nominal 12-hour (day or night) intervals. BU Bill Keene / Alex Pszenny
Particle phase composition from 20m on tower Size resolved aerosol ionic composition, 0.25um - 20 um. Elemental data for aerosols collected in bulk on the upstream Whatman-41 particle filter in a filter-pack sampler deployed over nominal 3-hour intervals. FP Bill Keene / Alex Pszenny
PiLS - inorganic particle phase composition from 20m on tower sub-micron aerosol composition ?? Ann Middlebrook
NCAR CIMS OH, H2SO4 NCARCIMS Saewung Kim
HCl CRDS HCl HClCRDS Azer Yalin
O3 measured via UV absorbance (Thermo Environmental) O3 O3voc Eric Williams
VOCs 43 VOC species measured from the trailer positioned to the south of the main tower. VOCsGCMS Jessica Gilman
VOCs formaldehyde, methanol, acetonitrile, acetaldehyde, acetone, m69, m71, MEK, benzene, toluene, C8_aromatics, C9_aromatics, naphthalene, and monoterpenes, on 1 min. timebase. VOCsPTRMS Carsten Warneke et. al.
VOC canisters from 20m on tower VOCs VOCsCanister Barkley Sive
Filter Radiometer from 20m on tower Photolysis rates jNO2, jNO3, jO3 jRates Brian Lerner
Met data from fixed heights on the tower (10m, 100m, 300m) Temp, RH, Wind Speed, Wind Dir MetFixedHeight Steve Brown