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Oluwafemi E Adeyeri1, Wen Zhou2, Christopher E Ndehedehe3
1Low-Carbon and Climate Impact Research Centre, School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong; Key Laboratory of Polar Atmosphere-Ocean-Ice System for Weather and Climate, Ministry of Education, Department of Atmospheric and Oceanic Sciences, Institute of Atmospheric Sciences, Fudan University, Shanghai, China; Australian Rivers Institute, Griffith University, Nathan, QLD 4111, Australia.
干旱和热浪 (CDVWHS) 等复合极端事件威胁着系统. 了解它们与气候远程连接的联系是适应的关键,未来的热浪将在SSP585.5下加剧.
科学领域:
- 气候科学 气候科学
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
背景情况:
- 复合极端事件 (CDVWHS) 对社会,环境和卫生系统构成重大威胁.
- 了解干旱,植被压力,野火严重程度和热浪强度的相互作用对于气候适应至关重要.
研究的目的:
- 在历史和未来的气候场景下分析复合干旱,植被压力,野火严重程度和热浪强度 (CDVWHS) 的演变.
- 调查气候远程连接对CDVWHS动态的影响.
- 预测CDVWHS的未来变化,特别是热浪的严重程度.
主要方法:
- 利用遥感,重新分析数据和气候模型.
- 在历史 (1982-2014),近期 (2028-2060),远期 (2068-2100) 期间分析了CDVWHS.
- 检查了两个共享的社会经济路径 (SSP 245和SSP 585).
主要成果:
- 不利的温度和湿度条件加剧了热浪和野火风险,而不依赖于植被密度.
- 野火的持续性与恶劣的热条件有关,即使有足够的湿度.
- 根据SSP 585,在近期和遥远的未来,预计热浪严重程度将大幅增加.
结论:
- CDVWHS的相互作用是复杂的,受到气候远程连接和区域因素的影响.
- 需要采取有针对性的行动来增强生态系统的弹性,并保护社区免受CDVWHS的侵害.
- 确定CDVWHS热点对于有效的气候适应战略至关重要.
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