Do climate teleconnections modulate wildfire-prone conditions over the Iberian Peninsula?
Abstract Climate teleconnections (CT) synchronize and influence weather features such as temperature, precipitation and, subsequently, drought and fuel moisture in many regions across the globe. CTs thus may be related to cycles in wildfire activity, and thereby help fire managers to anticipate fire...
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crioppubl:10.1088/1748-9326/abe25d 2024-06-02T08:11:36+00:00 Do climate teleconnections modulate wildfire-prone conditions over the Iberian Peninsula? Rodrigues, Marcos Peña-Angulo, Dhais Russo, Ana Zúñiga-Antón, María Cardil, Adrián Fundação para a Ciência e a Tecnologia 2021 http://dx.doi.org/10.1088/1748-9326/abe25d https://iopscience.iop.org/article/10.1088/1748-9326/abe25d https://iopscience.iop.org/article/10.1088/1748-9326/abe25d/pdf unknown IOP Publishing http://creativecommons.org/licenses/by/4.0 https://iopscience.iop.org/info/page/text-and-data-mining Environmental Research Letters volume 16, issue 4, page 044050 ISSN 1748-9326 journal-article 2021 crioppubl https://doi.org/10.1088/1748-9326/abe25d 2024-05-07T13:59:14Z Abstract Climate teleconnections (CT) synchronize and influence weather features such as temperature, precipitation and, subsequently, drought and fuel moisture in many regions across the globe. CTs thus may be related to cycles in wildfire activity, and thereby help fire managers to anticipate fire-prone weather conditions as well as envisaging their future evolution. A wide number of CTs modulate weather in the Iberian Peninsula (IP), exerting different levels of influence at different spatial and seasonal scales on a wide range of weather factors. In this work, we investigated the link between the most relevant CT patterns in the IP and fire activity and danger, exploring different spatial and temporal scales of aggregation. We analyzed a period of 36 years (1980–2015) using historical records of fire events (>100 ha burned) and the Canadian Fire Weather Index (FWI). Cross-correlation analysis was performed on monthly time series of CTs and fire data. Results pointed towards the North Atlantic Oscillation (in the western half of the IP) and Mediterranean Oscillation Index (along the Mediterranean coast) as the key CTs boosting burned area (BA) and fire weather danger in the IP. Both CTs relate to the relative position of the Azorean anticlone, fostering hazardous fire weather conditions during their positive phases, i.e. low rainfall and warm temperature leading to low fuel moisture content. The Scandinavian pattern index also played an important role in the western half of the Peninsula, linked to a decrease in rainfall during its negative phases. Nonetheless, the association between the CTs and BA (up to 0.5 Pearson’s R p < 0.05) was weaker than the observed between CTs and FWI (up to 0.75 Pearson’s R p < 0.05). Article in Journal/Newspaper North Atlantic North Atlantic oscillation IOP Publishing Environmental Research Letters 16 4 044050 |
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Abstract Climate teleconnections (CT) synchronize and influence weather features such as temperature, precipitation and, subsequently, drought and fuel moisture in many regions across the globe. CTs thus may be related to cycles in wildfire activity, and thereby help fire managers to anticipate fire-prone weather conditions as well as envisaging their future evolution. A wide number of CTs modulate weather in the Iberian Peninsula (IP), exerting different levels of influence at different spatial and seasonal scales on a wide range of weather factors. In this work, we investigated the link between the most relevant CT patterns in the IP and fire activity and danger, exploring different spatial and temporal scales of aggregation. We analyzed a period of 36 years (1980–2015) using historical records of fire events (>100 ha burned) and the Canadian Fire Weather Index (FWI). Cross-correlation analysis was performed on monthly time series of CTs and fire data. Results pointed towards the North Atlantic Oscillation (in the western half of the IP) and Mediterranean Oscillation Index (along the Mediterranean coast) as the key CTs boosting burned area (BA) and fire weather danger in the IP. Both CTs relate to the relative position of the Azorean anticlone, fostering hazardous fire weather conditions during their positive phases, i.e. low rainfall and warm temperature leading to low fuel moisture content. The Scandinavian pattern index also played an important role in the western half of the Peninsula, linked to a decrease in rainfall during its negative phases. Nonetheless, the association between the CTs and BA (up to 0.5 Pearson’s R p < 0.05) was weaker than the observed between CTs and FWI (up to 0.75 Pearson’s R p < 0.05). |
author2 |
Fundação para a Ciência e a Tecnologia |
format |
Article in Journal/Newspaper |
author |
Rodrigues, Marcos Peña-Angulo, Dhais Russo, Ana Zúñiga-Antón, María Cardil, Adrián |
spellingShingle |
Rodrigues, Marcos Peña-Angulo, Dhais Russo, Ana Zúñiga-Antón, María Cardil, Adrián Do climate teleconnections modulate wildfire-prone conditions over the Iberian Peninsula? |
author_facet |
Rodrigues, Marcos Peña-Angulo, Dhais Russo, Ana Zúñiga-Antón, María Cardil, Adrián |
author_sort |
Rodrigues, Marcos |
title |
Do climate teleconnections modulate wildfire-prone conditions over the Iberian Peninsula? |
title_short |
Do climate teleconnections modulate wildfire-prone conditions over the Iberian Peninsula? |
title_full |
Do climate teleconnections modulate wildfire-prone conditions over the Iberian Peninsula? |
title_fullStr |
Do climate teleconnections modulate wildfire-prone conditions over the Iberian Peninsula? |
title_full_unstemmed |
Do climate teleconnections modulate wildfire-prone conditions over the Iberian Peninsula? |
title_sort |
do climate teleconnections modulate wildfire-prone conditions over the iberian peninsula? |
publisher |
IOP Publishing |
publishDate |
2021 |
url |
http://dx.doi.org/10.1088/1748-9326/abe25d https://iopscience.iop.org/article/10.1088/1748-9326/abe25d https://iopscience.iop.org/article/10.1088/1748-9326/abe25d/pdf |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_source |
Environmental Research Letters volume 16, issue 4, page 044050 ISSN 1748-9326 |
op_rights |
http://creativecommons.org/licenses/by/4.0 https://iopscience.iop.org/info/page/text-and-data-mining |
op_doi |
https://doi.org/10.1088/1748-9326/abe25d |
container_title |
Environmental Research Letters |
container_volume |
16 |
container_issue |
4 |
container_start_page |
044050 |
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1800757794243084288 |