An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)

<p>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 approximat...

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Main Authors:	E. L. Yates, L. T. Iraci, S. S. Kulawik, J.-M. Ryoo, J. E. Marrero, C. L. Parworth, J. M. St. Clair, T. F. Hanisco, T. P. V. Bui, C. S. Chang, J. M. Dean-Day
Format:	Article
Language:	English
Published:	Copernicus Publications 2023-06-01
Series:	Earth System Science Data
Online Access:	https://essd.copernicus.org/articles/15/2375/2023/essd-15-2375-2023.pdf

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author	E. L. Yates E. L. Yates L. T. Iraci S. S. Kulawik S. S. Kulawik J.-M. Ryoo J.-M. Ryoo J. E. Marrero J. E. Marrero C. L. Parworth C. L. Parworth J. M. St. Clair J. M. St. Clair T. F. Hanisco T. P. V. Bui C. S. Chang C. S. Chang J. M. Dean-Day J. M. Dean-Day
author_facet	E. L. Yates E. L. Yates L. T. Iraci S. S. Kulawik S. S. Kulawik J.-M. Ryoo J.-M. Ryoo J. E. Marrero J. E. Marrero C. L. Parworth C. L. Parworth J. M. St. Clair J. M. St. Clair T. F. Hanisco T. P. V. Bui C. S. Chang C. S. Chang J. M. Dean-Day J. M. Dean-Day
author_sort	E. L. Yates
collection	DOAJ
description	<p>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 (<span class="uri">https://asdc.larc.nasa.gov/project/AJAXTS9</span> (last access: 1 November 2022), <a href="https://doi.org/10.5067/ASDC/SUBORBITAL/AJAX/DATA001">https://doi.org/10.5067/ASDC/SUBORBITAL/AJAX/DATA001</a>, Iraci et al., 2021a).</p>
first_indexed	2024-03-13T06:45:12Z
format	Article
id	doaj.art-5aa1790f4bae4035835b6b83621b7b37
institution	Directory Open Access Journal
issn	1866-3508 1866-3516
language	English
last_indexed	2024-03-13T06:45:12Z
publishDate	2023-06-01
publisher	Copernicus Publications
record_format	Article
series	Earth System Science Data
spelling	doaj.art-5aa1790f4bae4035835b6b83621b7b372023-06-08T07:42:12ZengCopernicus PublicationsEarth System Science Data1866-35081866-35162023-06-01152375238910.5194/essd-15-2375-2023An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)E. L. Yates0E. L. Yates1L. T. Iraci2S. S. Kulawik3S. S. Kulawik4J.-M. Ryoo5J.-M. Ryoo6J. E. Marrero7J. E. Marrero8C. L. Parworth9C. L. Parworth10J. M. St. Clair11J. M. St. Clair12T. F. Hanisco13T. P. V. Bui14C. S. Chang15C. S. Chang16J. M. Dean-Day17J. M. Dean-Day18Atmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USABay Area Environmental Research Institute, Moffett Field, CA 94035, USAAtmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USAAtmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USABay Area Environmental Research Institute, Moffett Field, CA 94035, USAAtmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USAScience and Technology Corporation, Moffett Field, CA 94035, USAAtmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USAnow at: Sonoma Technology, Inc., Signal Hill, CA 90755, USA Atmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USAnow at: Aclima, Inc., San Francisco, CA 94111, USAAtmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USAJoint Center for Earth Systems Technology, University of Maryland, Baltimore County, Baltimore, MD 21228, USAAtmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USAAtmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USAAtmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USABay Area Environmental Research Institute, Moffett Field, CA 94035, USAAtmospheric Science Branch, NASA Ames Research Center, Moffett Field, CA 94035, USABay Area Environmental Research Institute, Moffett Field, CA 94035, USA<p>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 (<span class="uri">https://asdc.larc.nasa.gov/project/AJAXTS9</span> (last access: 1 November 2022), <a href="https://doi.org/10.5067/ASDC/SUBORBITAL/AJAX/DATA001">https://doi.org/10.5067/ASDC/SUBORBITAL/AJAX/DATA001</a>, Iraci et al., 2021a).</p>https://essd.copernicus.org/articles/15/2375/2023/essd-15-2375-2023.pdf
spellingShingle	E. L. Yates E. L. Yates L. T. Iraci S. S. Kulawik S. S. Kulawik J.-M. Ryoo J.-M. Ryoo J. E. Marrero J. E. Marrero C. L. Parworth C. L. Parworth J. M. St. Clair J. M. St. Clair T. F. Hanisco T. P. V. Bui C. S. Chang C. S. Chang J. M. Dean-Day J. M. Dean-Day An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX) Earth System Science Data
title	An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)
title_full	An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)
title_fullStr	An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)
title_full_unstemmed	An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)
title_short	An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)
title_sort	extensive database of airborne trace gas and meteorological observations from the alpha jet atmospheric experiment ajax
url	https://essd.copernicus.org/articles/15/2375/2023/essd-15-2375-2023.pdf
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An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX)

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