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森林火災への地球規模での曝露の増加
Seyd Teymoor Seydi1, John T Abatzoglou2, Matthew W Jones3
1Department of Civil Engineering, Boise State University, Boise, ID, USA.
Science (New York, N.Y.)
|August 21, 2025
まとめ
野生の土地の近くの住居が原因で 野生の土地の火災への人間の曝露は 世界的に40%増加しました 特にアフリカでは 燃焼面積が少なくても コロケーションが増えると リスクが高くなります
科学分野:
- 環境科学
- 公衆衛生
- 気候変動
背景:
- 世界の人口の半分は 荒野と都市との接点に住んでいます
- 人間 が 野火 に 晒さ れ て いる こと は,ますます 懸念 を 引き起こし て い ます.
- 野火が人類に与える影響は 十分に定量化されていない.
研究 の 目的:
- 2002年から2021年の間,野生の火災に対する世界的な人間の暴露を定量化するために.
- ヒトの曝露の増加の原因を特定する.
- 森林火災の地域差を強調する
主な方法:
- 世界の人口データと燃焼面積の統計を分析した.
- 森林火災の発生地から人間の居住地への近接の評価
- 暴露に影響を与える要因を特定するための統計モデリング.
主要な成果:
- 2002年から2021年にかけて 野生の火災に晒された世界の人口は40%増加しました
- 居住地や火災の広がりにより 燃焼面積単位あたりの被曝量は2倍になりました
- アフリカは,北米,ヨーロッパ,オセアニアに注力されているにもかかわらず,世界の暴露の85%を占めました.
結論:
- 野原の火災への曝露は 燃え尽きる地域だけでなく 住居のパターンが増加しています
- 集団の動態は,全体的な暴露に大きく寄与する.
- 高いリスクのある地域,特にアフリカでは 標的型の防火戦略が不可欠です.
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