2002年から2019年にかけての熱帯サイクロン被曝の世界人口プロファイル
Renzhi Jing1,2, Sam Heft-Neal3, Daniel R Chavas4
1Department of Medicine, Stanford University, Stanford, CA, USA.
Nature
|December 20, 2023
まとめ
毎年約5億6000万人が 熱帯のサイクロンにさらされ 激しい嵐の影響を受ける人が増えています 暴露した集団はしばしばより脆弱で老化しており,より良いリスク評価と緩和戦略の必要性を強調しています.
科学分野:
- 環境科学
- 公衆衛生
- 人口統計
背景:
- トロピカルサイクロンは 世界の人口に大きな影響を及ぼし 生計と健康に影響を与えます
- 人口の脆弱性を評価することは,熱帯サイクロンによる健康リスクの理解と軽減に不可欠です.
- 現存する被曝推定値は地域的であり,社会経済的脆弱性を考慮していない.
研究 の 目的:
- 2002年から2019年にかけての熱帯サイクロンに曝された人口のグローバルプロフィールを作成する.
- 人口の変化と社会経済的な脆弱性を分析する.
- トロピカルサイクロンに対する緩和戦略と世界的なリスク評価の情報提供.
主な方法:
- トロピカルサイクロン風域の推定値と空間的に解明された年間人口データを組み合わせた.
- 2002年から2019年までの世界の熱帯サイクロン被曝パターンを分析した.
- 人口の変化 (年齢分布) と,被曝者の社会経済的な地位を評価した.
主要な成果:
- 毎年 推定 5億6千万 人 が 熱帯 サイクロン に 晒さ れ て い ます.
- 研究期間中,すべてのサイクロンの強度で被曝者の数は増加しました.
- 暴露した集団は高齢化傾向を示し,社会経済的に恵まれない傾向にある.特に,より強い嵐に直面している集団はそうである.
結論:
- 地球規模の熱帯サイクロンは 人口の大規模で増加し 脆弱性が高まっています
- 人口が高齢化し,社会経済的に恵まれないグループが 対象となる介入が必要である.
- 効果的な緩和戦略を開発し,将来のリスクを管理するために,暴露パターンと脆弱性を特徴づけることが重要です.
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