Numerical Simulation of Tropospheric Ozone Depletion Events in the Arctic Spring of the Year 2019
Ozone depletion is not only observed in the polar stratosphere, but also near the ground. Bromine species originating from sea salt are released from snow in an auto-catalytic reaction cycle and can then deplete ozone, strongly altering the oxidation capacity of the atmosphere. In this study, ozone...
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Universität Ulm
2022
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ftunivulm:oai:oparu.uni-ulm.de:123456789/46137 2024-03-31T07:50:51+00:00 Numerical Simulation of Tropospheric Ozone Depletion Events in the Arctic Spring of the Year 2019 Herrmann, Maximilian Gutheil, Eva 2022-11-24T10:59:00Z application/pdf https://doi.org/10.18725/OPARU-46061 https://oparu.uni-ulm.de/xmlui/123456789/46137 http://nbn-resolving.de/urn:nbn:de:bsz:289-oparu-46137-6 en eng Universität Ulm http://dx.doi.org/10.18725/OPARU-46164 http://dx.doi.org/10.18725/OPARU-46061 https://oparu.uni-ulm.de/xmlui/123456789/46137 http://nbn-resolving.de/urn:nbn:de:bsz:289-oparu-46137-6 CC BY 4.0 International https://creativecommons.org/licenses/by/4.0/ Ozone depletion events Artic Spring 2019 WRF-Chem Bromine emission schemes DDC 004 / Data processing & computer science DDC 540 / Chemistry & allied sciences Troposphere Troposphäre Beitrag zu einer Konferenz 2022 ftunivulm https://doi.org/10.18725/OPARU-4606110.18725/OPARU-46164 2024-03-01T10:17:33Z Ozone depletion is not only observed in the polar stratosphere, but also near the ground. Bromine species originating from sea salt are released from snow in an auto-catalytic reaction cycle and can then deplete ozone, strongly altering the oxidation capacity of the atmosphere. In this study, ozone depletion events in the Arctic between February and May 2019 are studied using the time-dependent, three-dimensional software Weather Research and Forecasting model coupled with Chemistry (WRF-Chem). Two bromine emission schemes are evaluated: first, infinite releasable bromide is assumed and, second, a scheme with a finite bromide release tracked over time is considered. Good agreement of simulation results with observations from two in-situ measuring stations and from ozone sonde flights is found. The finite bromide assumption dramatically improves the simulation results near Utqiaġvik, Alaska and Churchill, Canada in April whereas in February and March, the numerical results are similar, with a slight overall improvement. An underestimation of ozone depletion near Eureka, Canada in both simulations suggests that multi-year ice and snow-covered land near coasts are possibly better bromide sources than previously anticipated. publishedVersion Other/Unknown Material Arctic Alaska OPARU (OPen Access Repository of Ulm University) Arctic Canada Eureka ENVELOPE(-85.940,-85.940,79.990,79.990) |
institution |
Open Polar |
collection |
OPARU (OPen Access Repository of Ulm University) |
op_collection_id |
ftunivulm |
language |
English |
topic |
Ozone depletion events Artic Spring 2019 WRF-Chem Bromine emission schemes DDC 004 / Data processing & computer science DDC 540 / Chemistry & allied sciences Troposphere Troposphäre |
spellingShingle |
Ozone depletion events Artic Spring 2019 WRF-Chem Bromine emission schemes DDC 004 / Data processing & computer science DDC 540 / Chemistry & allied sciences Troposphere Troposphäre Herrmann, Maximilian Gutheil, Eva Numerical Simulation of Tropospheric Ozone Depletion Events in the Arctic Spring of the Year 2019 |
topic_facet |
Ozone depletion events Artic Spring 2019 WRF-Chem Bromine emission schemes DDC 004 / Data processing & computer science DDC 540 / Chemistry & allied sciences Troposphere Troposphäre |
description |
Ozone depletion is not only observed in the polar stratosphere, but also near the ground. Bromine species originating from sea salt are released from snow in an auto-catalytic reaction cycle and can then deplete ozone, strongly altering the oxidation capacity of the atmosphere. In this study, ozone depletion events in the Arctic between February and May 2019 are studied using the time-dependent, three-dimensional software Weather Research and Forecasting model coupled with Chemistry (WRF-Chem). Two bromine emission schemes are evaluated: first, infinite releasable bromide is assumed and, second, a scheme with a finite bromide release tracked over time is considered. Good agreement of simulation results with observations from two in-situ measuring stations and from ozone sonde flights is found. The finite bromide assumption dramatically improves the simulation results near Utqiaġvik, Alaska and Churchill, Canada in April whereas in February and March, the numerical results are similar, with a slight overall improvement. An underestimation of ozone depletion near Eureka, Canada in both simulations suggests that multi-year ice and snow-covered land near coasts are possibly better bromide sources than previously anticipated. publishedVersion |
format |
Other/Unknown Material |
author |
Herrmann, Maximilian Gutheil, Eva |
author_facet |
Herrmann, Maximilian Gutheil, Eva |
author_sort |
Herrmann, Maximilian |
title |
Numerical Simulation of Tropospheric Ozone Depletion Events in the Arctic Spring of the Year 2019 |
title_short |
Numerical Simulation of Tropospheric Ozone Depletion Events in the Arctic Spring of the Year 2019 |
title_full |
Numerical Simulation of Tropospheric Ozone Depletion Events in the Arctic Spring of the Year 2019 |
title_fullStr |
Numerical Simulation of Tropospheric Ozone Depletion Events in the Arctic Spring of the Year 2019 |
title_full_unstemmed |
Numerical Simulation of Tropospheric Ozone Depletion Events in the Arctic Spring of the Year 2019 |
title_sort |
numerical simulation of tropospheric ozone depletion events in the arctic spring of the year 2019 |
publisher |
Universität Ulm |
publishDate |
2022 |
url |
https://doi.org/10.18725/OPARU-46061 https://oparu.uni-ulm.de/xmlui/123456789/46137 http://nbn-resolving.de/urn:nbn:de:bsz:289-oparu-46137-6 |
long_lat |
ENVELOPE(-85.940,-85.940,79.990,79.990) |
geographic |
Arctic Canada Eureka |
geographic_facet |
Arctic Canada Eureka |
genre |
Arctic Alaska |
genre_facet |
Arctic Alaska |
op_relation |
http://dx.doi.org/10.18725/OPARU-46164 http://dx.doi.org/10.18725/OPARU-46061 https://oparu.uni-ulm.de/xmlui/123456789/46137 http://nbn-resolving.de/urn:nbn:de:bsz:289-oparu-46137-6 |
op_rights |
CC BY 4.0 International https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.18725/OPARU-4606110.18725/OPARU-46164 |
_version_ |
1795029331363233792 |