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Instrument

ACIR
Aerosol/Cloud Particle Impactor/Replicator

The Aerosol/Cloud Particle Impactor/Replicator (ACIR) is an in situ airborne analyzer. It collects aerosol particles within the size range of 0.05-5 μm using Ames wire impactors. It can also be configured to collect cloud particles of sizes up to 500 μm using Formvar-coated glass rods. The Formvar replicator within the instrument provides measurements of the concentration, size, and shape of the collected particles at a spatial resolution of 20 meters at an aircraft speed of 200 meters per second. ACIR is typically used for measurements of cloud condensation nuclei, black carbon, and sulfate particles.

Image of the ACIR instrument
NASA's DC-8 flying laboratory passes Antarctica's tallest peak, Mount Vinson, on Oct. 22, 2012, during a flight over the continent to measure changes in the massive ice sheet and sea ice. Credit: NASA/Michael Studinger (Photography courtesy NASA Images)

Instrument Details

Meter/Analyzer
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols > Sulfate Particles
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols > Cloud Condensation Nuclei
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Condensation Nuclei
Troposphere
N/A
20 m
N/A
Currently unavailble
  • Rudolf Pueschel

  • Rudolf Pueschel

  • Currently unavailable

  • Currently unavailable

  • Currently unavailable

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10.5067/ASDC/SUBORBITAL/SONEX_Aerosol_AircraftInSitu_DC8_Data_1External Link