Description and evaluation of the UKCA stratosphere-troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1
Here we present a description of the UKCA StratTrop chemical mechanism, which is used in the UKESM1 Earth system model for CMIP6. The StratTrop chemical mechanism is a merger of previously well-evaluated tropospheric and stratospheric mechanisms, and we provide results from a series of bespoke integ...
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| Veröffentlicht in: | Geoscientific Model Development 2020-03, Vol.13 (3), p.1223-1266 |
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| creator | Archibald, Alexander T. O'Connor, Fiona M. Abraham, Nathan Luke Archer-Nicholls, Scott Chipperfield, Martyn P. Dalvi, Mohit Folberth, Gerd A. Dennison, Fraser Dhomse, Sandip S. Griffiths, Paul T. Hardacre, Catherine Hewitt, Alan J. Hill, Richard S. Johnson, Colin E. Keeble, James Kohler, Marcus O. Morgenstern, Olaf Mulcahy, Jane P. Ordonez, Carlos Pope, Richard J. Rumbold, Steven T. Russo, Maria R. Savage, Nicholas H. Sellar, Alistair Stringer, Marc Turnock, Steven T. Wild, Oliver Zeng, Guang |
| description | Here we present a description of the UKCA StratTrop chemical mechanism, which is used in the UKESM1 Earth system model for CMIP6. The StratTrop chemical mechanism is a merger of previously well-evaluated tropospheric and stratospheric mechanisms, and we provide results from a series of bespoke integrations to assess the overall performance of the model.
We find that the StratTrop scheme performs well when compared to a wide array of observations. The analysis we present here focuses on key components of atmospheric composition, namely the performance of the model to simulate ozone in the stratosphere and troposphere and constituents that are important for ozone in these regions. We find that the results obtained for tropospheric ozone and its budget terms from the use of the StratTrop mechanism are sensitive to the host model; simulations with the same chemical mechanism run in an earlier version of the MetUM host model show a range of sensitivity to emissions that the current model does not fall within.
Whilst the general model performance is suitable for use in the UKESM1 CMIP6 integrations, we note some shortcomings in the scheme that future targeted studies will address. |
| doi_str_mv | 10.5194/gmd-13-1223-2020 |
| format | Article |
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We find that the StratTrop scheme performs well when compared to a wide array of observations. The analysis we present here focuses on key components of atmospheric composition, namely the performance of the model to simulate ozone in the stratosphere and troposphere and constituents that are important for ozone in these regions. We find that the results obtained for tropospheric ozone and its budget terms from the use of the StratTrop mechanism are sensitive to the host model; simulations with the same chemical mechanism run in an earlier version of the MetUM host model show a range of sensitivity to emissions that the current model does not fall within.
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We find that the StratTrop scheme performs well when compared to a wide array of observations. The analysis we present here focuses on key components of atmospheric composition, namely the performance of the model to simulate ozone in the stratosphere and troposphere and constituents that are important for ozone in these regions. We find that the results obtained for tropospheric ozone and its budget terms from the use of the StratTrop mechanism are sensitive to the host model; simulations with the same chemical mechanism run in an earlier version of the MetUM host model show a range of sensitivity to emissions that the current model does not fall within.
Whilst the general model performance is suitable for use in the UKESM1 CMIP6 integrations, we note some shortcomings in the scheme that future targeted studies will address.</description><subject>Aerosols</subject><subject>Atmosphere</subject><subject>Atmospheric chemistry</subject><subject>Atmospheric composition</subject><subject>Atmospheric ozone</subject><subject>Budgets</subject><subject>Comparative analysis</subject><subject>Computer simulation</subject><subject>Geoengineering</subject><subject>Geology</subject><subject>Geosciences, Multidisciplinary</subject><subject>Middle atmosphere</subject><subject>Ozone</subject><subject>Physical Sciences</subject><subject>Science & Technology</subject><subject>Simulation</subject><subject>Stratosphere</subject><subject>Troposphere</subject><subject>Tropospheric 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Luke</au><au>Archer-Nicholls, Scott</au><au>Chipperfield, Martyn P.</au><au>Dalvi, Mohit</au><au>Folberth, Gerd A.</au><au>Dennison, Fraser</au><au>Dhomse, Sandip S.</au><au>Griffiths, Paul T.</au><au>Hardacre, Catherine</au><au>Hewitt, Alan J.</au><au>Hill, Richard S.</au><au>Johnson, Colin E.</au><au>Keeble, James</au><au>Kohler, Marcus O.</au><au>Morgenstern, Olaf</au><au>Mulcahy, Jane P.</au><au>Ordonez, Carlos</au><au>Pope, Richard J.</au><au>Rumbold, Steven T.</au><au>Russo, Maria R.</au><au>Savage, Nicholas H.</au><au>Sellar, Alistair</au><au>Stringer, Marc</au><au>Turnock, Steven T.</au><au>Wild, Oliver</au><au>Zeng, Guang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Description and evaluation of the UKCA stratosphere-troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1</atitle><jtitle>Geoscientific Model Development</jtitle><stitle>GEOSCI MODEL DEV</stitle><date>2020-03-17</date><risdate>2020</risdate><volume>13</volume><issue>3</issue><spage>1223</spage><epage>1266</epage><pages>1223-1266</pages><issn>1991-959X</issn><issn>1991-9603</issn><issn>1991-962X</issn><eissn>1991-9603</eissn><eissn>1991-962X</eissn><abstract>Here we present a description of the UKCA StratTrop chemical mechanism, which is used in the UKESM1 Earth system model for CMIP6. The StratTrop chemical mechanism is a merger of previously well-evaluated tropospheric and stratospheric mechanisms, and we provide results from a series of bespoke integrations to assess the overall performance of the model.
We find that the StratTrop scheme performs well when compared to a wide array of observations. The analysis we present here focuses on key components of atmospheric composition, namely the performance of the model to simulate ozone in the stratosphere and troposphere and constituents that are important for ozone in these regions. We find that the results obtained for tropospheric ozone and its budget terms from the use of the StratTrop mechanism are sensitive to the host model; simulations with the same chemical mechanism run in an earlier version of the MetUM host model show a range of sensitivity to emissions that the current model does not fall within.
Whilst the general model performance is suitable for use in the UKESM1 CMIP6 integrations, we note some shortcomings in the scheme that future targeted studies will address.</abstract><cop>GOTTINGEN</cop><pub>Copernicus Gesellschaft Mbh</pub><doi>10.5194/gmd-13-1223-2020</doi><tpages>44</tpages><orcidid>https://orcid.org/0000-0002-3587-837X</orcidid><orcidid>https://orcid.org/0000-0001-9302-4180</orcidid><orcidid>https://orcid.org/0000-0002-1075-440X</orcidid><orcidid>https://orcid.org/0000-0003-1919-1751</orcidid><orcidid>https://orcid.org/0000-0002-3311-9003</orcidid><orcidid>https://orcid.org/0000-0002-8323-8684</orcidid><orcidid>https://orcid.org/0000-0002-6227-7035</orcidid><orcidid>https://orcid.org/0000-0002-1089-340X</orcidid><orcidid>https://orcid.org/0000-0002-9356-5021</orcidid><orcidid>https://orcid.org/0000-0003-3931-3736</orcidid><orcidid>https://orcid.org/0000-0002-6803-4149</orcidid><orcidid>https://orcid.org/0000-0002-0870-7380</orcidid><orcidid>https://orcid.org/0000-0001-9093-4656</orcidid><orcidid>https://orcid.org/0000-0003-1061-7007</orcidid><orcidid>https://orcid.org/0000-0003-3854-5383</orcidid><orcidid>https://orcid.org/0000-0003-2990-0195</orcidid><orcidid>https://orcid.org/0000-0003-2714-1084</orcidid><orcidid>https://orcid.org/0000-0001-9391-5100</orcidid><orcidid>https://orcid.org/0000-0003-3750-3544</orcidid><orcidid>https://orcid.org/0000-0003-4061-5299</orcidid><orcidid>https://orcid.org/0000-0002-9967-9740</orcidid><orcidid>https://orcid.org/0000-0002-2955-7254</orcidid><orcidid>https://orcid.org/0000-0002-0036-4627</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1991-959X |
| ispartof | Geoscientific Model Development, 2020-03, Vol.13 (3), p.1223-1266 |
| issn | 1991-959X 1991-9603 1991-962X 1991-9603 1991-962X |
| language | eng |
| recordid | cdi_proquest_journals_2414738239 |
| source | DOAJ Directory of Open Access Journals; Web of Science - Science Citation Index Expanded - 2020<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" />; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Aerosols Atmosphere Atmospheric chemistry Atmospheric composition Atmospheric ozone Budgets Comparative analysis Computer simulation Geoengineering Geology Geosciences, Multidisciplinary Middle atmosphere Ozone Physical Sciences Science & Technology Simulation Stratosphere Troposphere Tropospheric ozone |
| title | Description and evaluation of the UKCA stratosphere-troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1 |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-11-30T13%3A50%3A26IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_proqu&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Description%20and%20evaluation%20of%20the%20UKCA%20stratosphere-troposphere%20chemistry%20scheme%20(StratTrop%20vn%201.0)%20implemented%20in%20UKESM1&rft.jtitle=Geoscientific%20Model%20Development&rft.au=Archibald,%20Alexander%20T.&rft.date=2020-03-17&rft.volume=13&rft.issue=3&rft.spage=1223&rft.epage=1266&rft.pages=1223-1266&rft.issn=1991-959X&rft.eissn=1991-9603&rft_id=info:doi/10.5194/gmd-13-1223-2020&rft_dat=%3Cgale_proqu%3EA617768786%3C/gale_proqu%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2414738239&rft_id=info:pmid/&rft_galeid=A617768786&rft_doaj_id=oai_doaj_org_article_3fb23f93b0d545cea8f1f37297c29d2d&rfr_iscdi=true |