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Smoke-weather interaction affects extreme wildfires in diverse coastal regions
Extreme wildfires threaten human lives, air quality, and ecosystems. Meteorology plays a vital role in wildfire behaviors, and the links between wildfires and climate have been widely studied. However, it is not fully clear how fire-weather feedback affects short-term wildfire variability, which und...
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| Published in: | Science (American Association for the Advancement of Science) 2023-02, Vol.379 (6631), p.457-461 |
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| Main Authors: | , , , , , , , , , , , , |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c366t-ab2fd05e919d2f2587b1a0c6e8b048ac75d3bbd3039b7badf5ca9c54c1a008423 |
| container_end_page | 461 |
| container_issue | 6631 |
| container_start_page | 457 |
| container_title | Science (American Association for the Advancement of Science) |
| container_volume | 379 |
| creator | Huang, Xin Ding, Ke Liu, Jingyi Wang, Zilin Tang, Rong Xue, Lian Wang, Haikun Zhang, Qiang Tan, Zhe-Min Fu, Congbin Davis, Steven J Andreae, Meinrat O Ding, Aijun |
| description | Extreme wildfires threaten human lives, air quality, and ecosystems. Meteorology plays a vital role in wildfire behaviors, and the links between wildfires and climate have been widely studied. However, it is not fully clear how fire-weather feedback affects short-term wildfire variability, which undermines our ability to mitigate fire disasters. Here, we show the primacy of synoptic-scale feedback in driving extreme fires in Mediterranean and monsoon climate regimes in the West Coast of the United States and Southeastern Asia. We found that radiative effects of smoke aerosols can modify near-surface wind, air dryness, and rainfall and thus worsen air pollution by enhancing fire emissions and weakening dispersion. The intricate interactions among wildfires, smoke, and weather form a positive feedback loop that substantially increases air pollution exposure. |
| doi_str_mv | 10.1126/science.add9843 |
| format | article |
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Meteorology plays a vital role in wildfire behaviors, and the links between wildfires and climate have been widely studied. However, it is not fully clear how fire-weather feedback affects short-term wildfire variability, which undermines our ability to mitigate fire disasters. Here, we show the primacy of synoptic-scale feedback in driving extreme fires in Mediterranean and monsoon climate regimes in the West Coast of the United States and Southeastern Asia. We found that radiative effects of smoke aerosols can modify near-surface wind, air dryness, and rainfall and thus worsen air pollution by enhancing fire emissions and weakening dispersion. 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| identifier | ISSN: 0036-8075 |
| ispartof | Science (American Association for the Advancement of Science), 2023-02, Vol.379 (6631), p.457-461 |
| issn | 0036-8075 1095-9203 |
| language | eng |
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| source | American Association for the Advancement of Science; Alma/SFX Local Collection |
| subjects | Air pollution Coastal zone Emissions Feedback Meteorology Positive feedback Rainfall Smoke Solar energy Wildfires |
| title | Smoke-weather interaction affects extreme wildfires in diverse coastal regions |
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