An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)
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Published:2023-06-08
Issue:6
Volume:15
Page:2375-2389
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ISSN:1866-3516
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Container-title:Earth System Science Data
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language:en
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Short-container-title:Earth Syst. Sci. Data
Author:
Yates Emma L., Iraci Laura T.ORCID, Kulawik Susan S., Ryoo Ju-Mee, Marrero Josette E., Parworth Caroline L., St. Clair Jason M.ORCID, Hanisco Thomas F.ORCID, Bui Thao Paul V., Chang Cecilia S., Dean-Day Jonathan M.
Abstract
Abstract. The Alpha Jet Atmospheric eXperiment (AJAX) flew
scientific flights between 2011 and 2018 providing measurements of trace gas
species and meteorological parameters over California and Nevada, USA. This
paper describes the observations made by the AJAX program over 229 flights
and approximately 450 h of flying. AJAX was a multi-year,
multi-objective, multi-instrument program with a variety of sampling
strategies resulting in an extensive dataset of interest to a wide variety
of users. Some of the more common flight objectives include satellite
calibration/validation (GOSAT, OCO-2, TROPOMI) at Railroad Valley and other
locations and long-term observations of free-tropospheric and boundary layer
ozone allowing for studies of stratosphere-to-troposphere transport and
long-range transport to the western United States. AJAX also performed
topical studies such as sampling wildfire emissions, urban outflow and
atmospheric rivers. Airborne measurements of carbon dioxide, methane, ozone,
formaldehyde, water vapor, temperature, pressure and 3-D winds made by the
AJAX program have been published at NASA's Airborne Science Data Center (https://asdc.larc.nasa.gov/project/AJAXTS9 (last access: 1 November 2022), https://doi.org/10.5067/ASDC/SUBORBITAL/AJAX/DATA001,
Iraci et al., 2021a).
Funder
Ames Research Center California Air Resources Board Earth Sciences Division
Publisher
Copernicus GmbH
Subject
General Earth and Planetary Sciences
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