Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions
The Southeast Atmosphere Studies (SAS), which included the Southern Oxidant and Aerosol Study (SOAS); the Southeast Nexus (SENEX) study; and the Nitrogen, Oxidants, Mercury and Aerosols: Distributions, Sources and Sinks (NOMADSS) study, was deployed in the field from 1 June to 15 July 2013 in the ce...
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| Format: | Article |
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American Meteorological Society
2018
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| Online Access: | http://hdl.handle.net/1721.1/119432 https://orcid.org/0000-0002-6396-5622 https://orcid.org/0000-0001-6395-7422 |
| _version_ | 1811069231570092032 |
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| author | Carlton, Annmarie G. de Gouw, Joost Jimenez, Jose L. Ambrose, Jesse L. Attwood, Alexis R. Brown, Steven Baker, Kirk R. Brock, Charles Cohen, Ronald C. Edgerton, Sylvia Farkas, Caroline M. Farmer, Delphine Goldstein, Allen H. Gratz, Lynne Guenther, Alex Hunt, Sherri Jaeglé, Lyatt Jaffe, Daniel A. Mak, John McClure, Crystal Nenes, Athanasios Nguyen, Thien Khoi Pierce, Jeffrey R. de Sa, Suzane Shah, Viral Shaw, Stephanie Shepson, Paul B. Stutz, Jochen Surratt, Jason D. Turpin, Barbara J. Warneke, Carsten Washenfelder, Rebecca A. Wennberg, Paul O. Zhou, Xianling Selin, Noelle E Song, Shaojie |
| author2 | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences |
| author_facet | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences Carlton, Annmarie G. de Gouw, Joost Jimenez, Jose L. Ambrose, Jesse L. Attwood, Alexis R. Brown, Steven Baker, Kirk R. Brock, Charles Cohen, Ronald C. Edgerton, Sylvia Farkas, Caroline M. Farmer, Delphine Goldstein, Allen H. Gratz, Lynne Guenther, Alex Hunt, Sherri Jaeglé, Lyatt Jaffe, Daniel A. Mak, John McClure, Crystal Nenes, Athanasios Nguyen, Thien Khoi Pierce, Jeffrey R. de Sa, Suzane Shah, Viral Shaw, Stephanie Shepson, Paul B. Stutz, Jochen Surratt, Jason D. Turpin, Barbara J. Warneke, Carsten Washenfelder, Rebecca A. Wennberg, Paul O. Zhou, Xianling Selin, Noelle E Song, Shaojie |
| author_sort | Carlton, Annmarie G. |
| collection | MIT |
| description | The Southeast Atmosphere Studies (SAS), which included the Southern Oxidant and Aerosol Study (SOAS); the Southeast Nexus (SENEX) study; and the Nitrogen, Oxidants, Mercury and Aerosols: Distributions, Sources and Sinks (NOMADSS) study, was deployed in the field from 1 June to 15 July 2013 in the central and eastern United States, and it overlapped with and was complemented by the Studies of Emissions, Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys (SEAC4RS) campaign. SAS investigated atmospheric chemistry and the associated air quality and climate-relevant particle properties. Coordinated measurements from six ground sites, four aircraft, tall towers, balloon-borne sondes, existing surface networks, and satellites provide in situ and remotely sensed data on trace-gas composition, aerosol physicochemical properties, and local and synoptic meteorology. Selected SAS findings indicate 1) dramatically reduced NOx concentrations have altered ozone production regimes; 2) indicators of “biogenic” secondary organic aerosol (SOA), once considered part of the natural background, were positively correlated with one or more indicators of anthropogenic pollution; and 3) liquid water dramatically impacted particle scattering while biogenic SOA did not. SAS findings suggest that atmosphere–biosphere interactions modulate ambient pollutant concentrations through complex mechanisms and feedbacks not yet adequately captured in atmospheric models. The SAS dataset, now publicly available, is a powerful constraint to develop predictive capability that enhances model representation of the response and subsequent impacts of changes in atmospheric composition to changes in emissions, chemistry, and meteorology. |
| first_indexed | 2024-09-23T08:07:48Z |
| format | Article |
| id | mit-1721.1/119432 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T08:07:48Z |
| publishDate | 2018 |
| publisher | American Meteorological Society |
| record_format | dspace |
| spelling | mit-1721.1/1194322022-09-23T11:07:18Z Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions Carlton, Annmarie G. de Gouw, Joost Jimenez, Jose L. Ambrose, Jesse L. Attwood, Alexis R. Brown, Steven Baker, Kirk R. Brock, Charles Cohen, Ronald C. Edgerton, Sylvia Farkas, Caroline M. Farmer, Delphine Goldstein, Allen H. Gratz, Lynne Guenther, Alex Hunt, Sherri Jaeglé, Lyatt Jaffe, Daniel A. Mak, John McClure, Crystal Nenes, Athanasios Nguyen, Thien Khoi Pierce, Jeffrey R. de Sa, Suzane Shah, Viral Shaw, Stephanie Shepson, Paul B. Stutz, Jochen Surratt, Jason D. Turpin, Barbara J. Warneke, Carsten Washenfelder, Rebecca A. Wennberg, Paul O. Zhou, Xianling Selin, Noelle E Song, Shaojie Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences Massachusetts Institute of Technology. Institute for Data, Systems, and Society Selin, Noelle E Song, Shaojie The Southeast Atmosphere Studies (SAS), which included the Southern Oxidant and Aerosol Study (SOAS); the Southeast Nexus (SENEX) study; and the Nitrogen, Oxidants, Mercury and Aerosols: Distributions, Sources and Sinks (NOMADSS) study, was deployed in the field from 1 June to 15 July 2013 in the central and eastern United States, and it overlapped with and was complemented by the Studies of Emissions, Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys (SEAC4RS) campaign. SAS investigated atmospheric chemistry and the associated air quality and climate-relevant particle properties. Coordinated measurements from six ground sites, four aircraft, tall towers, balloon-borne sondes, existing surface networks, and satellites provide in situ and remotely sensed data on trace-gas composition, aerosol physicochemical properties, and local and synoptic meteorology. Selected SAS findings indicate 1) dramatically reduced NOx concentrations have altered ozone production regimes; 2) indicators of “biogenic” secondary organic aerosol (SOA), once considered part of the natural background, were positively correlated with one or more indicators of anthropogenic pollution; and 3) liquid water dramatically impacted particle scattering while biogenic SOA did not. SAS findings suggest that atmosphere–biosphere interactions modulate ambient pollutant concentrations through complex mechanisms and feedbacks not yet adequately captured in atmospheric models. The SAS dataset, now publicly available, is a powerful constraint to develop predictive capability that enhances model representation of the response and subsequent impacts of changes in atmospheric composition to changes in emissions, chemistry, and meteorology. National Science Foundation (U.S.) (Grant 1216707) 2018-12-04T20:18:18Z 2018-12-04T20:18:18Z 2018-04 2017-08 2018-12-03T17:04:52Z Article http://purl.org/eprint/type/JournalArticle 0003-0007 1520-0477 http://hdl.handle.net/1721.1/119432 Carlton, Annmarie G. et al. “Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions.” Bulletin of the American Meteorological Society 99, 3 (March 2018): 547–567 © 2018 American Meteorological Society https://orcid.org/0000-0002-6396-5622 https://orcid.org/0000-0001-6395-7422 http://dx.doi.org/10.1175/BAMS-D-16-0048.1 Bulletin of the American Meteorological Society Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Meteorological Society American Meteorological Society |
| spellingShingle | Carlton, Annmarie G. de Gouw, Joost Jimenez, Jose L. Ambrose, Jesse L. Attwood, Alexis R. Brown, Steven Baker, Kirk R. Brock, Charles Cohen, Ronald C. Edgerton, Sylvia Farkas, Caroline M. Farmer, Delphine Goldstein, Allen H. Gratz, Lynne Guenther, Alex Hunt, Sherri Jaeglé, Lyatt Jaffe, Daniel A. Mak, John McClure, Crystal Nenes, Athanasios Nguyen, Thien Khoi Pierce, Jeffrey R. de Sa, Suzane Shah, Viral Shaw, Stephanie Shepson, Paul B. Stutz, Jochen Surratt, Jason D. Turpin, Barbara J. Warneke, Carsten Washenfelder, Rebecca A. Wennberg, Paul O. Zhou, Xianling Selin, Noelle E Song, Shaojie Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions |
| title | Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions |
| title_full | Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions |
| title_fullStr | Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions |
| title_full_unstemmed | Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions |
| title_short | Synthesis of the Southeast Atmosphere Studies: Investigating Fundamental Atmospheric Chemistry Questions |
| title_sort | synthesis of the southeast atmosphere studies investigating fundamental atmospheric chemistry questions |
| url | http://hdl.handle.net/1721.1/119432 https://orcid.org/0000-0002-6396-5622 https://orcid.org/0000-0001-6395-7422 |
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