The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS)
<p><span id="page1708"/>The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) was conducted in May and June of 2017 to study the transport of ozone (O<span class="inline-formula"><sub>3</su...
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Copernicus Publications
2022-02-01
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| Series: | Atmospheric Chemistry and Physics |
| Online Access: | https://acp.copernicus.org/articles/22/1707/2022/acp-22-1707-2022.pdf |
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| author | A. O. Langford C. J. Senff C. J. Senff R. J. Alvarez II K. C. Aikin K. C. Aikin S. Baidar S. Baidar T. A. Bonin T. A. Bonin T. A. Bonin W. A. Brewer J. Brioude S. S. Brown S. S. Brown J. D. Burley D. J. Caputi S. A. Conley P. D. Cullis P. D. Cullis Z. C. J. Decker Z. C. J. Decker S. Evan G. Kirgis G. Kirgis G. Kirgis M. Lin M. Lin M. Pagowski M. Pagowski J. Peischl J. Peischl I. Petropavlovskikh I. Petropavlovskikh R. B. Pierce T. B. Ryerson T. B. Ryerson S. P. Sandberg C. W. Sterling C. W. Sterling C. W. Sterling A. M. Weickmann A. M. Weickmann L. Zhang L. Zhang L. Zhang |
| author_facet | A. O. Langford C. J. Senff C. J. Senff R. J. Alvarez II K. C. Aikin K. C. Aikin S. Baidar S. Baidar T. A. Bonin T. A. Bonin T. A. Bonin W. A. Brewer J. Brioude S. S. Brown S. S. Brown J. D. Burley D. J. Caputi S. A. Conley P. D. Cullis P. D. Cullis Z. C. J. Decker Z. C. J. Decker S. Evan G. Kirgis G. Kirgis G. Kirgis M. Lin M. Lin M. Pagowski M. Pagowski J. Peischl J. Peischl I. Petropavlovskikh I. Petropavlovskikh R. B. Pierce T. B. Ryerson T. B. Ryerson S. P. Sandberg C. W. Sterling C. W. Sterling C. W. Sterling A. M. Weickmann A. M. Weickmann L. Zhang L. Zhang L. Zhang |
| author_sort | A. O. Langford |
| collection | DOAJ |
| description | <p><span id="page1708"/>The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) was conducted in May and June of 2017 to
study the transport of ozone (O<span class="inline-formula"><sub>3</sub></span>) to Clark County, Nevada, a marginal
non-attainment area in the southwestern United States (SWUS). This 6-week (20 May–30 June 2017) field campaign used lidar, ozonesonde, aircraft, and
in situ measurements in conjunction with a variety of models to characterize
the distribution of O<span class="inline-formula"><sub>3</sub></span> and related species above southern Nevada and
neighboring California and to probe the influence of stratospheric
intrusions and wildfires as well as local, regional, and Asian pollution on surface
O<span class="inline-formula"><sub>3</sub></span> concentrations in the Las Vegas Valley (<span class="inline-formula">≈</span> 900 m above sea level, a.s.l.). In this paper, we describe the <i>FAST</i>-LVOS campaign and present
case studies illustrating the influence of different transport processes on
background O<span class="inline-formula"><sub>3</sub></span> in Clark County and southern Nevada. The companion paper
by Zhang et al. (2020) describes the use of the AM4 and GEOS-Chem global
models to simulate the measurements and estimate the impacts of transported
O<span class="inline-formula"><sub>3</sub></span> on surface air quality across the greater southwestern US and
Intermountain West. The <i>FAST</i>-LVOS measurements found elevated O<span class="inline-formula"><sub>3</sub></span> layers above Las Vegas on more than 75 % (35 of 45) of the sample days and show that entrainment of these layers contributed to mean 8 h average regional
background O<span class="inline-formula"><sub>3</sub></span> concentrations of 50–55 parts per billion by volume
(ppbv), or about 85–95 <span class="inline-formula">µ</span>g m<span class="inline-formula"><sup>−3</sup></span>. These high background
concentrations constitute 70 %–80 % of the current US National Ambient Air Quality Standard (NAAQS) of 70 ppbv (<span class="inline-formula">≈</span> 120 <span class="inline-formula">µ</span>g m<span class="inline-formula"><sup>−3</sup></span> at 900 m a.s.l.) for the daily maximum 8 h average (MDA8) and will make attainment of the more stringent standards of 60 or 65 ppbv currently being considered
extremely difficult in the interior SWUS.</p> |
| first_indexed | 2024-12-23T23:38:54Z |
| format | Article |
| id | doaj.art-a01702cf4d314cf986a37f0f4407cbe5 |
| institution | Directory Open Access Journal |
| issn | 1680-7316 1680-7324 |
| language | English |
| last_indexed | 2024-12-23T23:38:54Z |
| publishDate | 2022-02-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Atmospheric Chemistry and Physics |
| spelling | doaj.art-a01702cf4d314cf986a37f0f4407cbe52022-12-21T17:25:45ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242022-02-01221707173710.5194/acp-22-1707-2022The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS)A. O. Langford0C. J. Senff1C. J. Senff2R. J. Alvarez II3K. C. Aikin4K. C. Aikin5S. Baidar6S. Baidar7T. A. Bonin8T. A. Bonin9T. A. Bonin10W. A. Brewer11J. Brioude12S. S. Brown13S. S. Brown14J. D. Burley15D. J. Caputi16S. A. Conley17P. D. Cullis18P. D. Cullis19Z. C. J. Decker20Z. C. J. Decker21S. Evan22G. Kirgis23G. Kirgis24G. Kirgis25M. Lin26M. Lin27M. Pagowski28M. Pagowski29J. Peischl30J. Peischl31I. Petropavlovskikh32I. Petropavlovskikh33R. B. Pierce34T. B. Ryerson35T. B. Ryerson36S. P. Sandberg37C. W. Sterling38C. W. Sterling39C. W. Sterling40A. M. Weickmann41A. M. Weickmann42L. Zhang43L. Zhang44L. Zhang45NOAA Chemical Sciences Laboratory, Boulder, CO, USANOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USANOAA Chemical Sciences Laboratory, Boulder, CO, USANOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USANOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USANOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USAnow at: MIT Lincoln Laboratory, Lexington, MA, USANOAA Chemical Sciences Laboratory, Boulder, CO, USALaboratoire de l'Atmosphere et des Cyclones (LACy), UMR 8105, CNRS, Université de La Réunion, Météo-France, Saint-Denis, La Reunion, FranceNOAA Chemical Sciences Laboratory, Boulder, CO, USADepartment of Chemistry, University of Colorado, Boulder, CO, USADepartment of Chemistry, St. Mary's College of California, Moraga, CA, USADepartment of Land, Air, and Water Resources, University of California, Davis, CA, USAScientific Aviation, Inc., Boulder, Colorado, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USANOAA Global Monitoring Laboratory, Boulder, CO, USANOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USALaboratoire de l'Atmosphere et des Cyclones (LACy), UMR 8105, CNRS, Université de La Réunion, Météo-France, Saint-Denis, La Reunion, FranceNOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USAnow at: 2210 Kirby Ave, Chattanooga, TN, USAProgram in Atmospheric and Oceanic Sciences, Princeton University, Princeton, NJ, USANOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USANOAA Global Systems Laboratory, Boulder, CO, USANOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USANOAA Global Monitoring Laboratory, Boulder, CO, USANOAA/NESDIS Center for Satellite Applications and Research, Cooperative Institute for Meteorological Satellite Studies, Madison, WI, USANOAA Chemical Sciences Laboratory, Boulder, CO, USAScientific Aviation, Inc., Boulder, Colorado, USANOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USANOAA Global Monitoring Laboratory, Boulder, CO, USAnow at: C&D Technologies Inc., Philadelphia, PA, USANOAA Chemical Sciences Laboratory, Boulder, CO, USACooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, USAProgram in Atmospheric and Oceanic Sciences, Princeton University, Princeton, NJ, USANOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, USAnow at: Department of Meteorology and Atmospheric Science, The Pennsylvania State University, University Park, PA, USA<p><span id="page1708"/>The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) was conducted in May and June of 2017 to study the transport of ozone (O<span class="inline-formula"><sub>3</sub></span>) to Clark County, Nevada, a marginal non-attainment area in the southwestern United States (SWUS). This 6-week (20 May–30 June 2017) field campaign used lidar, ozonesonde, aircraft, and in situ measurements in conjunction with a variety of models to characterize the distribution of O<span class="inline-formula"><sub>3</sub></span> and related species above southern Nevada and neighboring California and to probe the influence of stratospheric intrusions and wildfires as well as local, regional, and Asian pollution on surface O<span class="inline-formula"><sub>3</sub></span> concentrations in the Las Vegas Valley (<span class="inline-formula">≈</span> 900 m above sea level, a.s.l.). In this paper, we describe the <i>FAST</i>-LVOS campaign and present case studies illustrating the influence of different transport processes on background O<span class="inline-formula"><sub>3</sub></span> in Clark County and southern Nevada. The companion paper by Zhang et al. (2020) describes the use of the AM4 and GEOS-Chem global models to simulate the measurements and estimate the impacts of transported O<span class="inline-formula"><sub>3</sub></span> on surface air quality across the greater southwestern US and Intermountain West. The <i>FAST</i>-LVOS measurements found elevated O<span class="inline-formula"><sub>3</sub></span> layers above Las Vegas on more than 75 % (35 of 45) of the sample days and show that entrainment of these layers contributed to mean 8 h average regional background O<span class="inline-formula"><sub>3</sub></span> concentrations of 50–55 parts per billion by volume (ppbv), or about 85–95 <span class="inline-formula">µ</span>g m<span class="inline-formula"><sup>−3</sup></span>. These high background concentrations constitute 70 %–80 % of the current US National Ambient Air Quality Standard (NAAQS) of 70 ppbv (<span class="inline-formula">≈</span> 120 <span class="inline-formula">µ</span>g m<span class="inline-formula"><sup>−3</sup></span> at 900 m a.s.l.) for the daily maximum 8 h average (MDA8) and will make attainment of the more stringent standards of 60 or 65 ppbv currently being considered extremely difficult in the interior SWUS.</p>https://acp.copernicus.org/articles/22/1707/2022/acp-22-1707-2022.pdf |
| spellingShingle | A. O. Langford C. J. Senff C. J. Senff R. J. Alvarez II K. C. Aikin K. C. Aikin S. Baidar S. Baidar T. A. Bonin T. A. Bonin T. A. Bonin W. A. Brewer J. Brioude S. S. Brown S. S. Brown J. D. Burley D. J. Caputi S. A. Conley P. D. Cullis P. D. Cullis Z. C. J. Decker Z. C. J. Decker S. Evan G. Kirgis G. Kirgis G. Kirgis M. Lin M. Lin M. Pagowski M. Pagowski J. Peischl J. Peischl I. Petropavlovskikh I. Petropavlovskikh R. B. Pierce T. B. Ryerson T. B. Ryerson S. P. Sandberg C. W. Sterling C. W. Sterling C. W. Sterling A. M. Weickmann A. M. Weickmann L. Zhang L. Zhang L. Zhang The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) Atmospheric Chemistry and Physics |
| title | The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) |
| title_full | The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) |
| title_fullStr | The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) |
| title_full_unstemmed | The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) |
| title_short | The <i>Fires, Asian, and Stratospheric Transport</i>–Las Vegas Ozone Study (<i>FAST</i>-LVOS) |
| title_sort | i fires asian and stratospheric transport i las vegas ozone study i fast i lvos |
| url | https://acp.copernicus.org/articles/22/1707/2022/acp-22-1707-2022.pdf |
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