The importance of alkyl nitrates and sea ice emissions to atmospheric NO x sources and cycling in the summertime Southern Ocean marine boundary layer
Atmospheric nitrate originates from the oxidation of nitrogen oxides <math xmlns="http://www.w3.org/1998/Math/MathML" id="M3" display="inline" overflow="scroll" dspmath="mathml"><mrow><mo>(</mo><mrow class="chem"&...
Published in: | Atmospheric Chemistry and Physics |
---|---|
Main Authors: | , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Copernicus Publications
2022
|
Subjects: | |
Online Access: | https://doi.org/10.5194/acp-22-1081-2022 https://doaj.org/article/8a6e5fead1a846969afc6061ea1d0d5d |
id |
ftdoajarticles:oai:doaj.org/article:8a6e5fead1a846969afc6061ea1d0d5d |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:8a6e5fead1a846969afc6061ea1d0d5d 2023-05-15T18:18:48+02:00 The importance of alkyl nitrates and sea ice emissions to atmospheric NO x sources and cycling in the summertime Southern Ocean marine boundary layer J. M. Burger J. Granger E. Joyce M. G. Hastings K. A. M. Spence K. E. Altieri 2022-01-01T00:00:00Z https://doi.org/10.5194/acp-22-1081-2022 https://doaj.org/article/8a6e5fead1a846969afc6061ea1d0d5d EN eng Copernicus Publications https://acp.copernicus.org/articles/22/1081/2022/acp-22-1081-2022.pdf https://doaj.org/toc/1680-7316 https://doaj.org/toc/1680-7324 doi:10.5194/acp-22-1081-2022 1680-7316 1680-7324 https://doaj.org/article/8a6e5fead1a846969afc6061ea1d0d5d Atmospheric Chemistry and Physics, Vol 22, Pp 1081-1096 (2022) Physics QC1-999 Chemistry QD1-999 article 2022 ftdoajarticles https://doi.org/10.5194/acp-22-1081-2022 2022-12-31T14:49:58Z Atmospheric nitrate originates from the oxidation of nitrogen oxides <math xmlns="http://www.w3.org/1998/Math/MathML" id="M3" display="inline" overflow="scroll" dspmath="mathml"><mrow><mo>(</mo><mrow class="chem"><msub><mi mathvariant="normal">NO</mi><mi>x</mi></msub></mrow><mo>=</mo><mrow class="chem"><mi mathvariant="normal">NO</mi></mrow><mo>+</mo><mrow class="chem"><msub><mi mathvariant="normal">NO</mi><mn mathvariant="normal">2</mn></msub></mrow><mo>)</mo></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="93pt" height="13pt" class="svg-formula" dspmath="mathimg" md5hash="5750f2f575feb9c155d643b1c38773c6"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-22-1081-2022-ie00001.svg" width="93pt" height="13pt" src="acp-22-1081-2022-ie00001.png"/></svg:svg> and impacts both tropospheric chemistry and climate. NO x sources, cycling and NO x to nitrate formation pathways are poorly constrained in remote marine regions, especially the Southern Ocean, where pristine conditions serve as a useful proxy for the pre-industrial atmosphere. Here, we measured the isotopic composition ( δ 15 N and δ 18 O ) of atmospheric nitrate in coarse-mode ( >1 µm ) aerosols collected in the summertime marine boundary layer of the Atlantic Southern Ocean from 34.5 to 70 ∘ S and across the northern edge of the Weddell Sea. The δ 15 N – <math xmlns="http://www.w3.org/1998/Math/MathML" id="M12" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msubsup><mi mathvariant="normal">NO</mi><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="25pt" height="16pt" class="svg-formula" dspmath="mathimg" ... Article in Journal/Newspaper Sea ice Southern Ocean Weddell Sea Directory of Open Access Journals: DOAJ Articles Southern Ocean Weddell Sea Weddell Atmospheric Chemistry and Physics 22 2 1081 1096 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Physics QC1-999 Chemistry QD1-999 |
spellingShingle |
Physics QC1-999 Chemistry QD1-999 J. M. Burger J. Granger E. Joyce M. G. Hastings K. A. M. Spence K. E. Altieri The importance of alkyl nitrates and sea ice emissions to atmospheric NO x sources and cycling in the summertime Southern Ocean marine boundary layer |
topic_facet |
Physics QC1-999 Chemistry QD1-999 |
description |
Atmospheric nitrate originates from the oxidation of nitrogen oxides <math xmlns="http://www.w3.org/1998/Math/MathML" id="M3" display="inline" overflow="scroll" dspmath="mathml"><mrow><mo>(</mo><mrow class="chem"><msub><mi mathvariant="normal">NO</mi><mi>x</mi></msub></mrow><mo>=</mo><mrow class="chem"><mi mathvariant="normal">NO</mi></mrow><mo>+</mo><mrow class="chem"><msub><mi mathvariant="normal">NO</mi><mn mathvariant="normal">2</mn></msub></mrow><mo>)</mo></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="93pt" height="13pt" class="svg-formula" dspmath="mathimg" md5hash="5750f2f575feb9c155d643b1c38773c6"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-22-1081-2022-ie00001.svg" width="93pt" height="13pt" src="acp-22-1081-2022-ie00001.png"/></svg:svg> and impacts both tropospheric chemistry and climate. NO x sources, cycling and NO x to nitrate formation pathways are poorly constrained in remote marine regions, especially the Southern Ocean, where pristine conditions serve as a useful proxy for the pre-industrial atmosphere. Here, we measured the isotopic composition ( δ 15 N and δ 18 O ) of atmospheric nitrate in coarse-mode ( >1 µm ) aerosols collected in the summertime marine boundary layer of the Atlantic Southern Ocean from 34.5 to 70 ∘ S and across the northern edge of the Weddell Sea. The δ 15 N – <math xmlns="http://www.w3.org/1998/Math/MathML" id="M12" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msubsup><mi mathvariant="normal">NO</mi><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="25pt" height="16pt" class="svg-formula" dspmath="mathimg" ... |
format |
Article in Journal/Newspaper |
author |
J. M. Burger J. Granger E. Joyce M. G. Hastings K. A. M. Spence K. E. Altieri |
author_facet |
J. M. Burger J. Granger E. Joyce M. G. Hastings K. A. M. Spence K. E. Altieri |
author_sort |
J. M. Burger |
title |
The importance of alkyl nitrates and sea ice emissions to atmospheric NO x sources and cycling in the summertime Southern Ocean marine boundary layer |
title_short |
The importance of alkyl nitrates and sea ice emissions to atmospheric NO x sources and cycling in the summertime Southern Ocean marine boundary layer |
title_full |
The importance of alkyl nitrates and sea ice emissions to atmospheric NO x sources and cycling in the summertime Southern Ocean marine boundary layer |
title_fullStr |
The importance of alkyl nitrates and sea ice emissions to atmospheric NO x sources and cycling in the summertime Southern Ocean marine boundary layer |
title_full_unstemmed |
The importance of alkyl nitrates and sea ice emissions to atmospheric NO x sources and cycling in the summertime Southern Ocean marine boundary layer |
title_sort |
importance of alkyl nitrates and sea ice emissions to atmospheric no x sources and cycling in the summertime southern ocean marine boundary layer |
publisher |
Copernicus Publications |
publishDate |
2022 |
url |
https://doi.org/10.5194/acp-22-1081-2022 https://doaj.org/article/8a6e5fead1a846969afc6061ea1d0d5d |
geographic |
Southern Ocean Weddell Sea Weddell |
geographic_facet |
Southern Ocean Weddell Sea Weddell |
genre |
Sea ice Southern Ocean Weddell Sea |
genre_facet |
Sea ice Southern Ocean Weddell Sea |
op_source |
Atmospheric Chemistry and Physics, Vol 22, Pp 1081-1096 (2022) |
op_relation |
https://acp.copernicus.org/articles/22/1081/2022/acp-22-1081-2022.pdf https://doaj.org/toc/1680-7316 https://doaj.org/toc/1680-7324 doi:10.5194/acp-22-1081-2022 1680-7316 1680-7324 https://doaj.org/article/8a6e5fead1a846969afc6061ea1d0d5d |
op_doi |
https://doi.org/10.5194/acp-22-1081-2022 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
22 |
container_issue |
2 |
container_start_page |
1081 |
op_container_end_page |
1096 |
_version_ |
1766195502287683584 |