What question did this study set out to answer?

To identify the climate drivers responsible for short-term oscillations in burned area and determine how climatic anomalies fueled Portugal's extreme 2017 wildfire season.

October 10, 2019SHILAP Revista de lepidopterologíaOpen Access

Climate drivers of the 2017 devastating fires in Portugal

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To identify the climate drivers responsible for short-term oscillations in burned area and determine how climatic anomalies fueled Portugal's extreme 2017 wildfire season.
Analyzed burned area time series from June to October spanning 1980 to 2017 alongside regional atmospheric and hydrologic variables.
Quantified drought severity using the Standardized Precipitation Evapotranspiration Index (SPEI), Standardized Precipitation Index (SPI), and Standardized Soil Moisture Index (SSI).
Modelled burned area anomalies using climate-only forcing to evaluate divergence from baseline historical fire trends.
Demonstrated that short-term fluctuations in burned area are significantly driven by the compound effects of summer drought and elevated temperatures during the fire season.
Accurately reproduced the extreme 2017 fire season—which burned a record 500,000 hectares and claimed over 120 lives—using a model driven solely by climate variables.
Identified that climate change alone would systematically expand burned area, pointing toward rising future fire hazards as drought and heat waves intensify.

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Implication

Time series analysis reveals compound summer drought and heat drive extreme wildfire seasons, indicating future climate warming will elevate regional fire risk.

Cite This Study

Turco et al. (2019) studied this question.

synapsesocial.com/papers/69dcc32f89c4deb67d35993f https://doi.org/10.1038/s41598-019-50281-2

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Implication

Time series analysis reveals compound summer drought and heat drive extreme wildfire seasons, indicating future climate warming will elevate regional fire risk.

Climate drivers of the 2017 devastating fires in Portugal

Key Points

Discussion

Implication

Cite This Study

Climate drivers of the 2017 devastating fires in Portugal

Key Points

Discussion

Implication

Cite This Study

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