Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring
The impact of projected Arctic sea ice loss on the stratosphere is investigated using the Whole Atmosphere Community Climate Model (WACCM), a state-of-the-art coupled chemistry climate model. Two 91-year simulations are conducted: one with a repeating seasonal cycle of Arctic sea ice for the late tw...
Published in: | Environmental Research Letters |
---|---|
Other Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Institute of Physics Publishing
2014
|
Subjects: | |
Online Access: | http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-044 https://doi.org/10.1088/1748-9326/9/8/084016 |
id |
ftncar:oai:drupal-site.org:articles_14335 |
---|---|
record_format |
openpolar |
spelling |
ftncar:oai:drupal-site.org:articles_14335 2023-09-05T13:16:16+02:00 Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring Sun, Lantao (author) Deser, Clara (author) Polvani, Lorenzo (author) Tomas, Robert (author) 2014-08-26 application/pdf http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-044 https://doi.org/10.1088/1748-9326/9/8/084016 en eng Institute of Physics Publishing Environmental Research Letters http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-044 doi:10.1088/1748-9326/9/8/084016 ark:/85065/d7tt4rz1 Copyright 2014 IOP Publishing Ltd. Text article 2014 ftncar https://doi.org/10.1088/1748-9326/9/8/084016 2023-08-14T18:41:34Z The impact of projected Arctic sea ice loss on the stratosphere is investigated using the Whole Atmosphere Community Climate Model (WACCM), a state-of-the-art coupled chemistry climate model. Two 91-year simulations are conducted: one with a repeating seasonal cycle of Arctic sea ice for the late twentieth-century, taken from the fully coupled WACCM historical run; the other with Arctic sea ice for the late twenty-first century, obtained from the fully coupled WACCM RCP8.5 run. In response to Arctic sea ice loss, polar cap stratospheric ozone decreases by 13 DU (34 DU at the North Pole) in spring, confirming the results of Scinocca et al (2009 Geophys. Res. Lett. 36 L24701). The ozone loss is dynamically initiated in March by a suppression of upward-propagating planetary waves, possibly related to the destructive interference between the forced wave number 1 and its climatology. The diminished upward wave propagation, in turn, weakens the Brewer–Dobson circulation at high latitudes, strengthens the polar vortex, and cools the polar stratosphere. The ozone reduction persists until the polar vortex breaks down in late spring. Article in Journal/Newspaper Arctic North Pole Sea ice OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research) Arctic North Pole Environmental Research Letters 9 8 084016 |
institution |
Open Polar |
collection |
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research) |
op_collection_id |
ftncar |
language |
English |
description |
The impact of projected Arctic sea ice loss on the stratosphere is investigated using the Whole Atmosphere Community Climate Model (WACCM), a state-of-the-art coupled chemistry climate model. Two 91-year simulations are conducted: one with a repeating seasonal cycle of Arctic sea ice for the late twentieth-century, taken from the fully coupled WACCM historical run; the other with Arctic sea ice for the late twenty-first century, obtained from the fully coupled WACCM RCP8.5 run. In response to Arctic sea ice loss, polar cap stratospheric ozone decreases by 13 DU (34 DU at the North Pole) in spring, confirming the results of Scinocca et al (2009 Geophys. Res. Lett. 36 L24701). The ozone loss is dynamically initiated in March by a suppression of upward-propagating planetary waves, possibly related to the destructive interference between the forced wave number 1 and its climatology. The diminished upward wave propagation, in turn, weakens the Brewer–Dobson circulation at high latitudes, strengthens the polar vortex, and cools the polar stratosphere. The ozone reduction persists until the polar vortex breaks down in late spring. |
author2 |
Sun, Lantao (author) Deser, Clara (author) Polvani, Lorenzo (author) Tomas, Robert (author) |
format |
Article in Journal/Newspaper |
title |
Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring |
spellingShingle |
Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring |
title_short |
Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring |
title_full |
Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring |
title_fullStr |
Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring |
title_full_unstemmed |
Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring |
title_sort |
influence of projected arctic sea ice loss on polar stratospheric ozone and circulation in spring |
publisher |
Institute of Physics Publishing |
publishDate |
2014 |
url |
http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-044 https://doi.org/10.1088/1748-9326/9/8/084016 |
geographic |
Arctic North Pole |
geographic_facet |
Arctic North Pole |
genre |
Arctic North Pole Sea ice |
genre_facet |
Arctic North Pole Sea ice |
op_relation |
Environmental Research Letters http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-044 doi:10.1088/1748-9326/9/8/084016 ark:/85065/d7tt4rz1 |
op_rights |
Copyright 2014 IOP Publishing Ltd. |
op_doi |
https://doi.org/10.1088/1748-9326/9/8/084016 |
container_title |
Environmental Research Letters |
container_volume |
9 |
container_issue |
8 |
container_start_page |
084016 |
_version_ |
1776197916016246784 |