Connection between Antarctic Ozone and Climate: Interannual Precipitation Changes in the Southern Hemisphere
In this study, we explored the connection between anomalies in springtime Antarctic ozone and all-year precipitation in the Southern Hemisphere by using observations from 1960–2018 and coupled simulations for 1960–2050. The observations showed that this correlation was enhanced during the last sever...
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ftunivchile:oai:repositorio.uchile.cl:2250/177028 2023-05-15T14:01:29+02:00 Connection between Antarctic Ozone and Climate: Interannual Precipitation Changes in the Southern Hemisphere Damiani, Alessandro Cordero, Raúl R. Llanillo, Pedro J. Feron, Sarah Boisier, Juan P. Garreaud Salazar, René Rondanelli Rojas, Roberto Irie, Hitoshi Watanabe, Shingo 2020 application/pdf https://doi.org/10.3390/atmos11060579 https://repositorio.uchile.cl/handle/2250/177028 en eng MDPI Atmosphere 2020, 11, 579 doi:10.3390/atmos11060579 https://repositorio.uchile.cl/handle/2250/177028 Attribution-NonCommercial-NoDerivs 3.0 Chile http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ CC-BY-NC-ND Atmosphere Ozone hole Precipitation Climate Artículo de revista 2020 ftunivchile https://doi.org/10.3390/atmos11060579 2022-12-25T00:50:42Z In this study, we explored the connection between anomalies in springtime Antarctic ozone and all-year precipitation in the Southern Hemisphere by using observations from 1960–2018 and coupled simulations for 1960–2050. The observations showed that this correlation was enhanced during the last several decades, when a simultaneously increased coupling between ozone and Southern Annular Mode (SAM) anomalies became broader, covering most of the following summer and part of the previous winter. For eastern Australia, the ozone–precipitation connection shows a greater persistence toward the following summer than for other regions. On the other hand, for South America, the ozone–precipitation correlation seems more robust, especially in the early summer. There, the correlation also covers part of the previous winter, suggesting that winter planetary waves could a ect both parameters. Further, we estimated the sensitivity of precipitation to changes in Antarctic ozone. In both observations and simulations, we found comparable sensitivity values during the spring–summer period. Overall, our results indicate that ozone anomalies can be understood as a tracer of stratospheric circulation. However, simulations indicate that stratospheric ozone chemistry still contributes to strengthening the interannual relationship between ozone and surface climate. Because simulations reproduced most of the observed connections, we suggest that including ozone variability in seasonal forecasting systems can potentially improve predictions. Environment Research and Technology Development Fund of the Environmental Restoration and Conservation Agency of Japan 2-1901 Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research (KAKENHI) JP19H04235 Japan Science & Technology Agency (JST) Core Research for Evolutional Science and Technology (CREST) JPMJCR15K4 SOUSEI program, MEXT, Japan Chilean Antarctic Institute (INACH, Preis) RT_32-15 ... Article in Journal/Newspaper Antarc* Antarctic Universidad de Chile: Repositorio académico Antarctic Inach ENVELOPE(-60.783,-60.783,-62.467,-62.467) Atmosphere 11 6 579 |
institution |
Open Polar |
collection |
Universidad de Chile: Repositorio académico |
op_collection_id |
ftunivchile |
language |
English |
topic |
Ozone hole Precipitation Climate |
spellingShingle |
Ozone hole Precipitation Climate Damiani, Alessandro Cordero, Raúl R. Llanillo, Pedro J. Feron, Sarah Boisier, Juan P. Garreaud Salazar, René Rondanelli Rojas, Roberto Irie, Hitoshi Watanabe, Shingo Connection between Antarctic Ozone and Climate: Interannual Precipitation Changes in the Southern Hemisphere |
topic_facet |
Ozone hole Precipitation Climate |
description |
In this study, we explored the connection between anomalies in springtime Antarctic ozone and all-year precipitation in the Southern Hemisphere by using observations from 1960–2018 and coupled simulations for 1960–2050. The observations showed that this correlation was enhanced during the last several decades, when a simultaneously increased coupling between ozone and Southern Annular Mode (SAM) anomalies became broader, covering most of the following summer and part of the previous winter. For eastern Australia, the ozone–precipitation connection shows a greater persistence toward the following summer than for other regions. On the other hand, for South America, the ozone–precipitation correlation seems more robust, especially in the early summer. There, the correlation also covers part of the previous winter, suggesting that winter planetary waves could a ect both parameters. Further, we estimated the sensitivity of precipitation to changes in Antarctic ozone. In both observations and simulations, we found comparable sensitivity values during the spring–summer period. Overall, our results indicate that ozone anomalies can be understood as a tracer of stratospheric circulation. However, simulations indicate that stratospheric ozone chemistry still contributes to strengthening the interannual relationship between ozone and surface climate. Because simulations reproduced most of the observed connections, we suggest that including ozone variability in seasonal forecasting systems can potentially improve predictions. Environment Research and Technology Development Fund of the Environmental Restoration and Conservation Agency of Japan 2-1901 Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT) Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research (KAKENHI) JP19H04235 Japan Science & Technology Agency (JST) Core Research for Evolutional Science and Technology (CREST) JPMJCR15K4 SOUSEI program, MEXT, Japan Chilean Antarctic Institute (INACH, Preis) RT_32-15 ... |
format |
Article in Journal/Newspaper |
author |
Damiani, Alessandro Cordero, Raúl R. Llanillo, Pedro J. Feron, Sarah Boisier, Juan P. Garreaud Salazar, René Rondanelli Rojas, Roberto Irie, Hitoshi Watanabe, Shingo |
author_facet |
Damiani, Alessandro Cordero, Raúl R. Llanillo, Pedro J. Feron, Sarah Boisier, Juan P. Garreaud Salazar, René Rondanelli Rojas, Roberto Irie, Hitoshi Watanabe, Shingo |
author_sort |
Damiani, Alessandro |
title |
Connection between Antarctic Ozone and Climate: Interannual Precipitation Changes in the Southern Hemisphere |
title_short |
Connection between Antarctic Ozone and Climate: Interannual Precipitation Changes in the Southern Hemisphere |
title_full |
Connection between Antarctic Ozone and Climate: Interannual Precipitation Changes in the Southern Hemisphere |
title_fullStr |
Connection between Antarctic Ozone and Climate: Interannual Precipitation Changes in the Southern Hemisphere |
title_full_unstemmed |
Connection between Antarctic Ozone and Climate: Interannual Precipitation Changes in the Southern Hemisphere |
title_sort |
connection between antarctic ozone and climate: interannual precipitation changes in the southern hemisphere |
publisher |
MDPI |
publishDate |
2020 |
url |
https://doi.org/10.3390/atmos11060579 https://repositorio.uchile.cl/handle/2250/177028 |
long_lat |
ENVELOPE(-60.783,-60.783,-62.467,-62.467) |
geographic |
Antarctic Inach |
geographic_facet |
Antarctic Inach |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Atmosphere |
op_relation |
Atmosphere 2020, 11, 579 doi:10.3390/atmos11060579 https://repositorio.uchile.cl/handle/2250/177028 |
op_rights |
Attribution-NonCommercial-NoDerivs 3.0 Chile http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ |
op_rightsnorm |
CC-BY-NC-ND |
op_doi |
https://doi.org/10.3390/atmos11060579 |
container_title |
Atmosphere |
container_volume |
11 |
container_issue |
6 |
container_start_page |
579 |
_version_ |
1766271334259621888 |