Journal article
Coordinated profiling of stratospheric intrusions and transported pollution by the Tropospheric Ozone Lidar Network (TOLNet) and NASA Alpha Jet experiment (AJAX): Observations and comparison to HYSPLIT, RAQMS, and FLEXPART
Atmospheric environment (1994), Vol.174, pp.1-14
02/01/2018
DOI: 10.1016/j.atmosenv.2017.11.031
Abstract
Ground-based lidars and ozonesondes belonging to the NASA-supported Tropospheric Ozone Lidar Network (TOLNet) are used in conjunction with the NASA Alpha Jet Atmospheric eXperiment (AJAX) to investigate the transport of stratospheric ozone and entrained pollution into the lower troposphere above the United States on May 24–25, 2013. TOLNet and AJAX measurements made in California, Nevada, and Alabama are compared to tropospheric ozone retrievals from the Atmospheric Infrared Sounder (AIRS), to back trajectories from the NOAA Air Resources Laboratory (ARL) Hybrid Single Particle Lagrangian Integrated Trajectory (HYSPLIT) model, and to analyses from the NOAA/NESDIS Real-time Air Quality Modeling System (RAQMS) and FLEXPART particle dispersion model. The measurements and model analyses show much deeper descent of ozone-rich upper tropospheric/lower stratospheric air above the Desert Southwest than above the Southeast, and comparisons to surface measurements from regulatory monitors reporting to the U.S. EPA Air Quality System (AQS) suggest that there was a much greater surface impact in the Southwest including exceedances of the 2008 National Ambient Air Quality Standard (NAAQS) of 0.075 ppm in both Southern California and Nevada. Our analysis demonstrates the potential benefits to be gained by supplementing the existing surface ozone network with coordinated upper air observations by TOLNet.
Details
- Title: Subtitle
- Coordinated profiling of stratospheric intrusions and transported pollution by the Tropospheric Ozone Lidar Network (TOLNet) and NASA Alpha Jet experiment (AJAX): Observations and comparison to HYSPLIT, RAQMS, and FLEXPART
- Creators
- A.O. Langford - NOAA Earth System Research LaboratoryR. J. Alvarez - NOAA Earth System Research LaboratoryJérôme Brioude - Météo-FranceStéphanie Evan - NOAA Earth System Research LaboratoryL. T. Iraci - Ames Research CenterG. Kirgis - Cooperative Institute for Research in Environmental SciencesS. Kuang - University of Alabama in HuntsvilleT. Leblanc - Jet Propulsion LaboratoryM.J. Newchurch - University of Alabama in HuntsvilleR.B. Pierce - NOAA Center for Satellite Applications and ResearchC.J. Senff - NOAA Earth System Research LaboratoryE.L. Yates - Ames Research Center
- Resource Type
- Journal article
- Publication Details
- Atmospheric environment (1994), Vol.174, pp.1-14
- Publisher
- Elsevier
- DOI
- 10.1016/j.atmosenv.2017.11.031
- ISSN
- 1352-2310
- eISSN
- 1873-2844
- Number of pages
- 14
- Language
- English
- Date published
- 02/01/2018
- Academic Unit
- Iowa Technology Institute
- Record Identifier
- 9984721114102771
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