Unusually low ozone, HCl, and HNO3 column measurements at Eureka, Canada during winter/spring 2011
As a consequence of dynamically variable meteorological conditions, springtime Arctic ozone levels exhibit significant interannual variability in the lower stratosphere. In winter 2011, the polar vortex was strong and cold for an unusually long time. Our research site, located at Eureka, Nunavut, Ca...
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00046046 2023-05-15T14:57:52+02:00 Unusually low ozone, HCl, and HNO3 column measurements at Eureka, Canada during winter/spring 2011 Lindenmaier, R. Strong, K. Batchelor, R. L. Chipperfield, M. P. Daffer, W. H. Drummond, J. R. Duck, T. J. Fast, H. Feng, W. Fogal, P. F. Kolonjari, F. Manney, G. L. Manson, A. Meek, C. Mittermeier, R. L. Nott, G. J. Perro, C. Walker, K. A. 2012-04 electronic https://doi.org/10.5194/acp-12-3821-2012 https://noa.gwlb.de/receive/cop_mods_00046046 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00045666/acp-12-3821-2012.pdf https://acp.copernicus.org/articles/12/3821/2012/acp-12-3821-2012.pdf eng eng Copernicus Publications Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-12-3821-2012 https://noa.gwlb.de/receive/cop_mods_00046046 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00045666/acp-12-3821-2012.pdf https://acp.copernicus.org/articles/12/3821/2012/acp-12-3821-2012.pdf uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2012 ftnonlinearchiv https://doi.org/10.5194/acp-12-3821-2012 2022-02-08T22:39:15Z As a consequence of dynamically variable meteorological conditions, springtime Arctic ozone levels exhibit significant interannual variability in the lower stratosphere. In winter 2011, the polar vortex was strong and cold for an unusually long time. Our research site, located at Eureka, Nunavut, Canada (80.05° N, 86.42° W), was mostly inside the vortex from October 2010 until late March 2011. The Bruker 125HR Fourier transform infrared spectrometer installed at the Polar Environment Atmospheric Research Laboratory at Eureka acquired measurements from 23 February to 6 April during the 2011 Canadian Arctic Atmospheric Chemistry Experiment Validation Campaign. These measurements showed unusually low ozone, HCl, and HNO3 total columns compared to the previous 14 yr. To remove dynamical effects, we normalized these total columns by the HF total column. The normalized values of the ozone, HCl, and HNO3 total columns were smaller than those from previous years, and confirmed the occurrence of chlorine activation and chemical ozone depletion. To quantify the chemical ozone loss, a three-dimensional chemical transport model, SLIMCAT, and the passive subtraction method were used. The chemical ozone depletion was calculated as the mean percentage difference between the measured ozone and the SLIMCAT passive ozone, and was found to be 35%. Article in Journal/Newspaper Arctic Eureka Nunavut Niedersächsisches Online-Archiv NOA Arctic Canada Eureka ENVELOPE(-85.940,-85.940,79.990,79.990) Nunavut Atmospheric Chemistry and Physics 12 8 3821 3835 |
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article Verlagsveröffentlichung Lindenmaier, R. Strong, K. Batchelor, R. L. Chipperfield, M. P. Daffer, W. H. Drummond, J. R. Duck, T. J. Fast, H. Feng, W. Fogal, P. F. Kolonjari, F. Manney, G. L. Manson, A. Meek, C. Mittermeier, R. L. Nott, G. J. Perro, C. Walker, K. A. Unusually low ozone, HCl, and HNO3 column measurements at Eureka, Canada during winter/spring 2011 |
topic_facet |
article Verlagsveröffentlichung |
description |
As a consequence of dynamically variable meteorological conditions, springtime Arctic ozone levels exhibit significant interannual variability in the lower stratosphere. In winter 2011, the polar vortex was strong and cold for an unusually long time. Our research site, located at Eureka, Nunavut, Canada (80.05° N, 86.42° W), was mostly inside the vortex from October 2010 until late March 2011. The Bruker 125HR Fourier transform infrared spectrometer installed at the Polar Environment Atmospheric Research Laboratory at Eureka acquired measurements from 23 February to 6 April during the 2011 Canadian Arctic Atmospheric Chemistry Experiment Validation Campaign. These measurements showed unusually low ozone, HCl, and HNO3 total columns compared to the previous 14 yr. To remove dynamical effects, we normalized these total columns by the HF total column. The normalized values of the ozone, HCl, and HNO3 total columns were smaller than those from previous years, and confirmed the occurrence of chlorine activation and chemical ozone depletion. To quantify the chemical ozone loss, a three-dimensional chemical transport model, SLIMCAT, and the passive subtraction method were used. The chemical ozone depletion was calculated as the mean percentage difference between the measured ozone and the SLIMCAT passive ozone, and was found to be 35%. |
format |
Article in Journal/Newspaper |
author |
Lindenmaier, R. Strong, K. Batchelor, R. L. Chipperfield, M. P. Daffer, W. H. Drummond, J. R. Duck, T. J. Fast, H. Feng, W. Fogal, P. F. Kolonjari, F. Manney, G. L. Manson, A. Meek, C. Mittermeier, R. L. Nott, G. J. Perro, C. Walker, K. A. |
author_facet |
Lindenmaier, R. Strong, K. Batchelor, R. L. Chipperfield, M. P. Daffer, W. H. Drummond, J. R. Duck, T. J. Fast, H. Feng, W. Fogal, P. F. Kolonjari, F. Manney, G. L. Manson, A. Meek, C. Mittermeier, R. L. Nott, G. J. Perro, C. Walker, K. A. |
author_sort |
Lindenmaier, R. |
title |
Unusually low ozone, HCl, and HNO3 column measurements at Eureka, Canada during winter/spring 2011 |
title_short |
Unusually low ozone, HCl, and HNO3 column measurements at Eureka, Canada during winter/spring 2011 |
title_full |
Unusually low ozone, HCl, and HNO3 column measurements at Eureka, Canada during winter/spring 2011 |
title_fullStr |
Unusually low ozone, HCl, and HNO3 column measurements at Eureka, Canada during winter/spring 2011 |
title_full_unstemmed |
Unusually low ozone, HCl, and HNO3 column measurements at Eureka, Canada during winter/spring 2011 |
title_sort |
unusually low ozone, hcl, and hno3 column measurements at eureka, canada during winter/spring 2011 |
publisher |
Copernicus Publications |
publishDate |
2012 |
url |
https://doi.org/10.5194/acp-12-3821-2012 https://noa.gwlb.de/receive/cop_mods_00046046 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00045666/acp-12-3821-2012.pdf https://acp.copernicus.org/articles/12/3821/2012/acp-12-3821-2012.pdf |
long_lat |
ENVELOPE(-85.940,-85.940,79.990,79.990) |
geographic |
Arctic Canada Eureka Nunavut |
geographic_facet |
Arctic Canada Eureka Nunavut |
genre |
Arctic Eureka Nunavut |
genre_facet |
Arctic Eureka Nunavut |
op_relation |
Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-12-3821-2012 https://noa.gwlb.de/receive/cop_mods_00046046 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00045666/acp-12-3821-2012.pdf https://acp.copernicus.org/articles/12/3821/2012/acp-12-3821-2012.pdf |
op_rights |
uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/acp-12-3821-2012 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
12 |
container_issue |
8 |
container_start_page |
3821 |
op_container_end_page |
3835 |
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1766329971609960448 |