Year-round record of near-surface ozone and O 3 enhancement events (OEEs) at Dome A, East Antarctica
Dome A, the summit of the East Antarctic Ice Sheet, is an area challenging to access and is one of the harshest environments on Earth. Up until recently, long-term automated observations from Dome A (DA) were only possible with very low power instruments such as a basic meteorological station. To ev...
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ftdoajarticles:oai:doaj.org/article:69c988fcebe14defb468c81de22c5cbc 2023-05-15T13:24:29+02:00 Year-round record of near-surface ozone and O 3 enhancement events (OEEs) at Dome A, East Antarctica M. Ding B. Tian M. C. B. Ashley D. Putero Z. Zhu L. Wang S. Yang C. Li C. Xiao 2020-12-01T00:00:00Z https://doi.org/10.5194/essd-12-3529-2020 https://doaj.org/article/69c988fcebe14defb468c81de22c5cbc EN eng Copernicus Publications https://essd.copernicus.org/articles/12/3529/2020/essd-12-3529-2020.pdf https://doaj.org/toc/1866-3508 https://doaj.org/toc/1866-3516 doi:10.5194/essd-12-3529-2020 1866-3508 1866-3516 https://doaj.org/article/69c988fcebe14defb468c81de22c5cbc Earth System Science Data, Vol 12, Pp 3529-3544 (2020) Environmental sciences GE1-350 Geology QE1-996.5 article 2020 ftdoajarticles https://doi.org/10.5194/essd-12-3529-2020 2022-12-31T05:59:21Z Dome A, the summit of the East Antarctic Ice Sheet, is an area challenging to access and is one of the harshest environments on Earth. Up until recently, long-term automated observations from Dome A (DA) were only possible with very low power instruments such as a basic meteorological station. To evaluate the characteristics of near-surface O 3 , continuous observations were carried out in 2016. Together with observations at the Amundsen–Scott Station (South Pole – SP) and Zhongshan Station (ZS, on the southeast coast of Prydz Bay), the seasonal and diurnal O 3 variabilities were investigated. The results showed different patterns between coastal and inland Antarctic areas that were characterized by high concentrations in cold seasons and at night. The annual mean values at the three stations (DA, SP and ZS) were 29.2±7.5 , 29.9±5.0 and 24.1±5.8 ppb, respectively. We investigated the effect of specific atmospheric processes on near-surface summer O 3 variability, when O 3 enhancement events (OEEs) are systematically observed at DA (average monthly frequency peaking at up to 64.5 % in December). As deduced by a statistical selection methodology, these O 3 enhancement events (OEEs) are affected by significant interannual variability, both in their average O 3 values and in their frequency. To explain part of this variability, we analyzed the OEEs as a function of specific atmospheric processes: (i) the role of synoptic-scale air mass transport over the Antarctic Plateau was explored using the Lagrangian back-trajectory analysis Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) method, and (ii) the occurrence of “deep” stratospheric intrusion events was investigated using the Lagrangian tool STEFLUX. The specific atmospheric processes, including synoptic-scale air mass transport, were analyzed by the HYSPLIT back-trajectory analysis and the potential source contribution function (PSCF) model. Short-range transport accounted for the O 3 enhancement events (OEEs) during summer at DA, rather than ... Article in Journal/Newspaper Amundsen-Scott Antarc* Antarctic Antarctica East Antarctica Ice Sheet Prydz Bay South pole South pole Directory of Open Access Journals: DOAJ Articles Antarctic The Antarctic East Antarctica Prydz Bay East Antarctic Ice Sheet South Pole Amundsen-Scott ENVELOPE(0.000,0.000,-90.000,-90.000) Zhongshan ENVELOPE(76.371,76.371,-69.373,-69.373) Zhongshan Station ENVELOPE(76.371,76.371,-69.373,-69.373) Earth System Science Data 12 4 3529 3544 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Environmental sciences GE1-350 Geology QE1-996.5 |
spellingShingle |
Environmental sciences GE1-350 Geology QE1-996.5 M. Ding B. Tian M. C. B. Ashley D. Putero Z. Zhu L. Wang S. Yang C. Li C. Xiao Year-round record of near-surface ozone and O 3 enhancement events (OEEs) at Dome A, East Antarctica |
topic_facet |
Environmental sciences GE1-350 Geology QE1-996.5 |
description |
Dome A, the summit of the East Antarctic Ice Sheet, is an area challenging to access and is one of the harshest environments on Earth. Up until recently, long-term automated observations from Dome A (DA) were only possible with very low power instruments such as a basic meteorological station. To evaluate the characteristics of near-surface O 3 , continuous observations were carried out in 2016. Together with observations at the Amundsen–Scott Station (South Pole – SP) and Zhongshan Station (ZS, on the southeast coast of Prydz Bay), the seasonal and diurnal O 3 variabilities were investigated. The results showed different patterns between coastal and inland Antarctic areas that were characterized by high concentrations in cold seasons and at night. The annual mean values at the three stations (DA, SP and ZS) were 29.2±7.5 , 29.9±5.0 and 24.1±5.8 ppb, respectively. We investigated the effect of specific atmospheric processes on near-surface summer O 3 variability, when O 3 enhancement events (OEEs) are systematically observed at DA (average monthly frequency peaking at up to 64.5 % in December). As deduced by a statistical selection methodology, these O 3 enhancement events (OEEs) are affected by significant interannual variability, both in their average O 3 values and in their frequency. To explain part of this variability, we analyzed the OEEs as a function of specific atmospheric processes: (i) the role of synoptic-scale air mass transport over the Antarctic Plateau was explored using the Lagrangian back-trajectory analysis Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) method, and (ii) the occurrence of “deep” stratospheric intrusion events was investigated using the Lagrangian tool STEFLUX. The specific atmospheric processes, including synoptic-scale air mass transport, were analyzed by the HYSPLIT back-trajectory analysis and the potential source contribution function (PSCF) model. Short-range transport accounted for the O 3 enhancement events (OEEs) during summer at DA, rather than ... |
format |
Article in Journal/Newspaper |
author |
M. Ding B. Tian M. C. B. Ashley D. Putero Z. Zhu L. Wang S. Yang C. Li C. Xiao |
author_facet |
M. Ding B. Tian M. C. B. Ashley D. Putero Z. Zhu L. Wang S. Yang C. Li C. Xiao |
author_sort |
M. Ding |
title |
Year-round record of near-surface ozone and O 3 enhancement events (OEEs) at Dome A, East Antarctica |
title_short |
Year-round record of near-surface ozone and O 3 enhancement events (OEEs) at Dome A, East Antarctica |
title_full |
Year-round record of near-surface ozone and O 3 enhancement events (OEEs) at Dome A, East Antarctica |
title_fullStr |
Year-round record of near-surface ozone and O 3 enhancement events (OEEs) at Dome A, East Antarctica |
title_full_unstemmed |
Year-round record of near-surface ozone and O 3 enhancement events (OEEs) at Dome A, East Antarctica |
title_sort |
year-round record of near-surface ozone and o 3 enhancement events (oees) at dome a, east antarctica |
publisher |
Copernicus Publications |
publishDate |
2020 |
url |
https://doi.org/10.5194/essd-12-3529-2020 https://doaj.org/article/69c988fcebe14defb468c81de22c5cbc |
long_lat |
ENVELOPE(0.000,0.000,-90.000,-90.000) ENVELOPE(76.371,76.371,-69.373,-69.373) ENVELOPE(76.371,76.371,-69.373,-69.373) |
geographic |
Antarctic The Antarctic East Antarctica Prydz Bay East Antarctic Ice Sheet South Pole Amundsen-Scott Zhongshan Zhongshan Station |
geographic_facet |
Antarctic The Antarctic East Antarctica Prydz Bay East Antarctic Ice Sheet South Pole Amundsen-Scott Zhongshan Zhongshan Station |
genre |
Amundsen-Scott Antarc* Antarctic Antarctica East Antarctica Ice Sheet Prydz Bay South pole South pole |
genre_facet |
Amundsen-Scott Antarc* Antarctic Antarctica East Antarctica Ice Sheet Prydz Bay South pole South pole |
op_source |
Earth System Science Data, Vol 12, Pp 3529-3544 (2020) |
op_relation |
https://essd.copernicus.org/articles/12/3529/2020/essd-12-3529-2020.pdf https://doaj.org/toc/1866-3508 https://doaj.org/toc/1866-3516 doi:10.5194/essd-12-3529-2020 1866-3508 1866-3516 https://doaj.org/article/69c988fcebe14defb468c81de22c5cbc |
op_doi |
https://doi.org/10.5194/essd-12-3529-2020 |
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Earth System Science Data |
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12 |
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4 |
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3529 |
op_container_end_page |
3544 |
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