Impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at Summit, Greenland
The effect of post-depositional processing on the preservation of snow nitrate isotopes at Summit, Greenland, remains a subject of debate and is relevant to the quantitative interpretation of ice-core nitrate (isotopic) records at high snow accumulation sites. Here we present the first year-round ob...
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Online Access: | https://doi.org/10.5194/tc-16-2709-2022 https://tc.copernicus.org/articles/16/2709/2022/ |
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ftcopernicus:oai:publications.copernicus.org:tc99171 2023-05-15T16:28:27+02:00 Impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at Summit, Greenland Jiang, Zhuang Savarino, Joel Alexander, Becky Erbland, Joseph Jaffrezo, Jean-Luc Geng, Lei 2022-07-12 application/pdf https://doi.org/10.5194/tc-16-2709-2022 https://tc.copernicus.org/articles/16/2709/2022/ eng eng doi:10.5194/tc-16-2709-2022 https://tc.copernicus.org/articles/16/2709/2022/ eISSN: 1994-0424 Text 2022 ftcopernicus https://doi.org/10.5194/tc-16-2709-2022 2022-07-25T16:22:43Z The effect of post-depositional processing on the preservation of snow nitrate isotopes at Summit, Greenland, remains a subject of debate and is relevant to the quantitative interpretation of ice-core nitrate (isotopic) records at high snow accumulation sites. Here we present the first year-round observations of atmospheric nitrate and its isotopic compositions at Summit and compare them with published surface snow and snowpack observations. The atmospheric δ 15 N(NO <math xmlns="http://www.w3.org/1998/Math/MathML" id="M2" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="53e1f98be2cdf70dbe180d95894fc6b5"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="tc-16-2709-2022-ie00001.svg" width="9pt" height="16pt" src="tc-16-2709-2022-ie00001.png"/></svg:svg> ) remained negative throughout the year, ranging from − 3.1 ‰ to − 47.9 ‰ with a mean of ( − 14.8 ± 7.3) ‰ ( n =54 ), and displayed minima in spring which are distinct from the observed spring δ 15 N(NO <math xmlns="http://www.w3.org/1998/Math/MathML" id="M9" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="1933cd4f78557ae19e1c84fa4d0b5473"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="tc-16-2709-2022-ie00002.svg" width="9pt" height="16pt" src="tc-16-2709-2022-ie00002.png"/></svg:svg> ) maxima in snowpack. The spring average atmospheric δ 15 N(NO <math xmlns="http://www.w3.org/1998/Math/MathML" id="M11" display="inline" overflow="scroll" ... Text Greenland ice core Copernicus Publications: E-Journals Greenland The Cryosphere 16 7 2709 2724 |
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Open Polar |
collection |
Copernicus Publications: E-Journals |
op_collection_id |
ftcopernicus |
language |
English |
description |
The effect of post-depositional processing on the preservation of snow nitrate isotopes at Summit, Greenland, remains a subject of debate and is relevant to the quantitative interpretation of ice-core nitrate (isotopic) records at high snow accumulation sites. Here we present the first year-round observations of atmospheric nitrate and its isotopic compositions at Summit and compare them with published surface snow and snowpack observations. The atmospheric δ 15 N(NO <math xmlns="http://www.w3.org/1998/Math/MathML" id="M2" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="53e1f98be2cdf70dbe180d95894fc6b5"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="tc-16-2709-2022-ie00001.svg" width="9pt" height="16pt" src="tc-16-2709-2022-ie00001.png"/></svg:svg> ) remained negative throughout the year, ranging from − 3.1 ‰ to − 47.9 ‰ with a mean of ( − 14.8 ± 7.3) ‰ ( n =54 ), and displayed minima in spring which are distinct from the observed spring δ 15 N(NO <math xmlns="http://www.w3.org/1998/Math/MathML" id="M9" display="inline" overflow="scroll" dspmath="mathml"><mrow><msubsup><mi/><mn mathvariant="normal">3</mn><mo>-</mo></msubsup></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="9pt" height="16pt" class="svg-formula" dspmath="mathimg" md5hash="1933cd4f78557ae19e1c84fa4d0b5473"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="tc-16-2709-2022-ie00002.svg" width="9pt" height="16pt" src="tc-16-2709-2022-ie00002.png"/></svg:svg> ) maxima in snowpack. The spring average atmospheric δ 15 N(NO <math xmlns="http://www.w3.org/1998/Math/MathML" id="M11" display="inline" overflow="scroll" ... |
format |
Text |
author |
Jiang, Zhuang Savarino, Joel Alexander, Becky Erbland, Joseph Jaffrezo, Jean-Luc Geng, Lei |
spellingShingle |
Jiang, Zhuang Savarino, Joel Alexander, Becky Erbland, Joseph Jaffrezo, Jean-Luc Geng, Lei Impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at Summit, Greenland |
author_facet |
Jiang, Zhuang Savarino, Joel Alexander, Becky Erbland, Joseph Jaffrezo, Jean-Luc Geng, Lei |
author_sort |
Jiang, Zhuang |
title |
Impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at Summit, Greenland |
title_short |
Impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at Summit, Greenland |
title_full |
Impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at Summit, Greenland |
title_fullStr |
Impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at Summit, Greenland |
title_full_unstemmed |
Impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at Summit, Greenland |
title_sort |
impacts of post-depositional processing on nitrate isotopes in the snow and the overlying atmosphere at summit, greenland |
publishDate |
2022 |
url |
https://doi.org/10.5194/tc-16-2709-2022 https://tc.copernicus.org/articles/16/2709/2022/ |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland ice core |
genre_facet |
Greenland ice core |
op_source |
eISSN: 1994-0424 |
op_relation |
doi:10.5194/tc-16-2709-2022 https://tc.copernicus.org/articles/16/2709/2022/ |
op_doi |
https://doi.org/10.5194/tc-16-2709-2022 |
container_title |
The Cryosphere |
container_volume |
16 |
container_issue |
7 |
container_start_page |
2709 |
op_container_end_page |
2724 |
_version_ |
1766018107938177024 |