FIREX-AQ MACH2 Surface Mobile In-Situ Measurements

FIREXAQ_SurfaceMobile_MACH2_InSitu_Data are in-situ measurements collected via the NASA Langley Aerosol Research Group mobile platform (MACH2) during FIREX-AQ. Instruments included on this platform include the Aerodyne CAPS, APS, OPS, MAAP, and a variety of other instrumentation. Data collection for this product is complete.Completed during summer 2019, FIREX-AQ utilized a combination of instrumented airplanes, satellites, and ground-based instrumentation. Detailed fire plume sampling was carried out by the NASA DC-8 aircraft, which had a comprehensive instrument payload capable of measuring over 200 trace gas species, as well as aerosol microphysical, optical, and chemical properties. The DC-8 aircraft completed 23 science flights, including 15 flights from Boise, Idaho and 8 flights from Salina, Kansas. NASA’s ER-2 completed 11 flights, partially in support of the FIREX-AQ effort. The ER-2 payload was made up of 8 satellite analog instruments and provided critical fire information, including fire temperature, fire plume heights, and vegetation/soil albedo information. NOAA provided the NOAA-CHEM Twin Otter and the NOAA-MET Twin Otter aircraft to measure chemical processing in the lofted plumes of Western wildfires. The NOAA-CHEM Twin Otter focused on nighttime plume chemistry, from which data is archived at the NASA Atmospheric Science Data Center (ASDC). The NOAA-MET Twin Otter collected measurements of air movements at fire boundaries with the goal of understanding the local weather impacts of fires and the movement patterns of fires. NOAA-MET Twin Otter data will be archived at the ASDC in the future. Additionally, a ground-based station in McCall, Idaho and several mobile laboratories provided in-situ measurements of aerosol microphysical and optical properties, aerosol chemical compositions, and trace gas species. The Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) campaign was a NOAA/NASA interagency intensive study of North American fires to gain an understanding on the integrated impact of the fire emissions on the tropospheric chemistry and composition and to assess the satellite’s capability for detecting fires and estimating fire emissions. The overarching goal of FIREX-AQ was to provide measurements of trace gas and aerosol emissions for wildfires and prescribed fires in great detail, relate them to fuel and fire conditions at the point of emission, characterize the conditions relating to plume rise, and follow plumes downwind to understand chemical transformation and air quality impacts.

Data and Resources

Field Value
accessLevel public
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identifier 10.5067/ASDC/FIREXAQ_SurfaceMobile_MACH2_InSitu_Data_1
landingPage https://asdc.larc.nasa.gov/citing-data
modified 2025-09-11
old-spatial ["CARTESIAN",[{"Boundary":{"Points":[{"Latitude":15,"Longitude":-135},{"Latitude":15,"Longitude":120},{"Latitude":60,"Longitude":120},{"Latitude":60,"Longitude":-135},{"Latitude":15,"Longitude":-135}]}}]], Maximum Altitude, 9999.9 Meters
programCode {026:000}
publisher NASA/LARC/SD/ASDC
resource-type Dataset
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source_hash 76c7f2e97125e72ebd3c20dee59761848509ebe4082fa5bdf8709dcfe80d5dc1
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temporal 2019-07-21/2019-07-21
theme {"Earth Science"}
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  • earth-science-aerosols-atmosphere-aerosol-optical-depth-thickness
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  • earth-science-aerosols-atmosphere-organic-particles
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  • earth-science-aerosols-atmosphere-sulfate-particles
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  • earth-science-atmospheric-chemistry-atmosphere-trace-gases-trace-species
  • earth-science-atmospheric-temperature-atmosphere
  • earth-science-atmospheric-temperature-atmosphere-surface-temperature
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license_title License not specified
maintainer Earthdata Forum
maintainer_email earthdata-support@nasa.gov
metadata_created 2025-09-29T15:37:49.631047
metadata_modified 2025-09-29T15:37:49.631053
notes FIREXAQ_SurfaceMobile_MACH2_InSitu_Data are in-situ measurements collected via the NASA Langley Aerosol Research Group mobile platform (MACH2) during FIREX-AQ. Instruments included on this platform include the Aerodyne CAPS, APS, OPS, MAAP, and a variety of other instrumentation. Data collection for this product is complete.Completed during summer 2019, FIREX-AQ utilized a combination of instrumented airplanes, satellites, and ground-based instrumentation. Detailed fire plume sampling was carried out by the NASA DC-8 aircraft, which had a comprehensive instrument payload capable of measuring over 200 trace gas species, as well as aerosol microphysical, optical, and chemical properties. The DC-8 aircraft completed 23 science flights, including 15 flights from Boise, Idaho and 8 flights from Salina, Kansas. NASA’s ER-2 completed 11 flights, partially in support of the FIREX-AQ effort. The ER-2 payload was made up of 8 satellite analog instruments and provided critical fire information, including fire temperature, fire plume heights, and vegetation/soil albedo information. NOAA provided the NOAA-CHEM Twin Otter and the NOAA-MET Twin Otter aircraft to measure chemical processing in the lofted plumes of Western wildfires. The NOAA-CHEM Twin Otter focused on nighttime plume chemistry, from which data is archived at the NASA Atmospheric Science Data Center (ASDC). The NOAA-MET Twin Otter collected measurements of air movements at fire boundaries with the goal of understanding the local weather impacts of fires and the movement patterns of fires. NOAA-MET Twin Otter data will be archived at the ASDC in the future. Additionally, a ground-based station in McCall, Idaho and several mobile laboratories provided in-situ measurements of aerosol microphysical and optical properties, aerosol chemical compositions, and trace gas species. The Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) campaign was a NOAA/NASA interagency intensive study of North American fires to gain an understanding on the integrated impact of the fire emissions on the tropospheric chemistry and composition and to assess the satellite’s capability for detecting fires and estimating fire emissions. The overarching goal of FIREX-AQ was to provide measurements of trace gas and aerosol emissions for wildfires and prescribed fires in great detail, relate them to fuel and fire conditions at the point of emission, characterize the conditions relating to plume rise, and follow plumes downwind to understand chemical transformation and air quality impacts.
num_resources 20
num_tags 19
title FIREX-AQ MACH2 Surface Mobile In-Situ Measurements