Observations of iodine monoxide (IO) columns from satellite
International audience Iodine species in the troposphere are linked to ozone depletion and new particle formation. In this study, a full year of iodine monoxide (IO) columns retrieved from measurements of the SCIAMACHY satellite instrument is presented, alongside a discussion of their uncertainties...
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ftinsu:oai:HAL:hal-00303084v1 2023-11-12T04:07:18+01:00 Observations of iodine monoxide (IO) columns from satellite Schönhardt, A. Richter, A. Wittrock, F. Kirk, H. Oetjen, H. Roscoe, H. K. Burrows, J. P. Institute of Environmental Physics Bremen (IUP) University of Bremen British Antarctic Survey (BAS) Natural Environment Research Council (NERC) 2007-09-05 https://hal.science/hal-00303084 https://hal.science/hal-00303084/document https://hal.science/hal-00303084/file/acpd-7-12959-2007.pdf en eng HAL CCSD European Geosciences Union hal-00303084 https://hal.science/hal-00303084 https://hal.science/hal-00303084/document https://hal.science/hal-00303084/file/acpd-7-12959-2007.pdf info:eu-repo/semantics/OpenAccess ISSN: 1680-7367 EISSN: 1680-7375 Atmospheric Chemistry and Physics Discussions https://hal.science/hal-00303084 Atmospheric Chemistry and Physics Discussions, 2007, 7 (5), pp.12959-12999 [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2007 ftinsu 2023-10-25T16:26:24Z International audience Iodine species in the troposphere are linked to ozone depletion and new particle formation. In this study, a full year of iodine monoxide (IO) columns retrieved from measurements of the SCIAMACHY satellite instrument is presented, alongside a discussion of their uncertainties and the detection limit. The largest amounts of IO are found near springtime Antarctica, where ground-based measurements have positively detected iodine compounds before. A seasonal variation of iodine monoxide in Antarctica is revealed with high values in springtime, slightly less IO in the summer period and again larger amounts in autumn. In winter, no elevated IO levels are found in the areas accessible to satellite measurements. This seasonal cycle is in good agreement with recent ground-based measurements in Antarctica. In the Arctic region, no elevated IO levels were found in the whole time period analysed, arguing for different conditions existing in the two Polar Regions. To investigate possible release mechanisms such as inorganic release or biogenic precursors, comparisons of IO results with tropospheric BrO maps, measurements of chlorophyll concentration, and ice coverage are discussed. Some parallels and interesting differences between IO and BrO temporal and spatial distributions are pointed out. Although no full interpretation can be given at this point, the large spatial coverage of satellite measurements and the availability of a long-term dataset give some new indications and understandings of the abundances and distributions of iodine compounds in the troposphere. Article in Journal/Newspaper Antarc* Antarctica Arctic Institut national des sciences de l'Univers: HAL-INSU Arctic |
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Institut national des sciences de l'Univers: HAL-INSU |
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language |
English |
topic |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
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[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere Schönhardt, A. Richter, A. Wittrock, F. Kirk, H. Oetjen, H. Roscoe, H. K. Burrows, J. P. Observations of iodine monoxide (IO) columns from satellite |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
description |
International audience Iodine species in the troposphere are linked to ozone depletion and new particle formation. In this study, a full year of iodine monoxide (IO) columns retrieved from measurements of the SCIAMACHY satellite instrument is presented, alongside a discussion of their uncertainties and the detection limit. The largest amounts of IO are found near springtime Antarctica, where ground-based measurements have positively detected iodine compounds before. A seasonal variation of iodine monoxide in Antarctica is revealed with high values in springtime, slightly less IO in the summer period and again larger amounts in autumn. In winter, no elevated IO levels are found in the areas accessible to satellite measurements. This seasonal cycle is in good agreement with recent ground-based measurements in Antarctica. In the Arctic region, no elevated IO levels were found in the whole time period analysed, arguing for different conditions existing in the two Polar Regions. To investigate possible release mechanisms such as inorganic release or biogenic precursors, comparisons of IO results with tropospheric BrO maps, measurements of chlorophyll concentration, and ice coverage are discussed. Some parallels and interesting differences between IO and BrO temporal and spatial distributions are pointed out. Although no full interpretation can be given at this point, the large spatial coverage of satellite measurements and the availability of a long-term dataset give some new indications and understandings of the abundances and distributions of iodine compounds in the troposphere. |
author2 |
Institute of Environmental Physics Bremen (IUP) University of Bremen British Antarctic Survey (BAS) Natural Environment Research Council (NERC) |
format |
Article in Journal/Newspaper |
author |
Schönhardt, A. Richter, A. Wittrock, F. Kirk, H. Oetjen, H. Roscoe, H. K. Burrows, J. P. |
author_facet |
Schönhardt, A. Richter, A. Wittrock, F. Kirk, H. Oetjen, H. Roscoe, H. K. Burrows, J. P. |
author_sort |
Schönhardt, A. |
title |
Observations of iodine monoxide (IO) columns from satellite |
title_short |
Observations of iodine monoxide (IO) columns from satellite |
title_full |
Observations of iodine monoxide (IO) columns from satellite |
title_fullStr |
Observations of iodine monoxide (IO) columns from satellite |
title_full_unstemmed |
Observations of iodine monoxide (IO) columns from satellite |
title_sort |
observations of iodine monoxide (io) columns from satellite |
publisher |
HAL CCSD |
publishDate |
2007 |
url |
https://hal.science/hal-00303084 https://hal.science/hal-00303084/document https://hal.science/hal-00303084/file/acpd-7-12959-2007.pdf |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Antarc* Antarctica Arctic |
genre_facet |
Antarc* Antarctica Arctic |
op_source |
ISSN: 1680-7367 EISSN: 1680-7375 Atmospheric Chemistry and Physics Discussions https://hal.science/hal-00303084 Atmospheric Chemistry and Physics Discussions, 2007, 7 (5), pp.12959-12999 |
op_relation |
hal-00303084 https://hal.science/hal-00303084 https://hal.science/hal-00303084/document https://hal.science/hal-00303084/file/acpd-7-12959-2007.pdf |
op_rights |
info:eu-repo/semantics/OpenAccess |
_version_ |
1782328030781243392 |