CAFS derived total NO2 photolysis frequencies (jNO2) during ATom 1. The flight track (black line) is shown during nighttime operations when jNO2 is below detection limits.
A schematic of ATHOS looking from in front of the electronics rack (top) and from the DC-8 aircraft's port side (bottom).
NASA's DC-8 flying laboratory. All four ATom campaigns were conducted with DC-8.
The Harvard QCLS (DUAL and CO2) instrument package contains two optical assemblies, calibration and common data systems, and power supply.
Photo of NASA's DC-8 flying laboratory.
The forward-facing side of the NOAA Picarro G2401 instrument used on the four ATom campaigns.
An example of aerosols (Salt, Dust, and Carbon and Sulfates) modeled by the Goddard Earth Observing System Version 5 (GOES-5) on 12/27/2020, image source NASA.
MMS instrumentation on the DC-8 aircraft during the fourth field campaign in the NASA Convection and Moisture Experiment (CAMEX) series.
Aerosol extinction across ATom campaigns. Sea salt is shown in (g) and (h), dust in (i) and (j), and water in (k) and (l). Source: Brock et al., 2021
Generalized overview of ATom flights.