夜间的人工光线延长了花粉季节,并提高了过敏原暴露率
Brandt Geist1, Lin Meng1, Daniel S W Katz2
1Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, USA.
PNAS nexus
|January 22, 2026
概括
夜间的人工光 (ALAN) 显著延长花粉季节,导致过敏风险增加. 这项研究表明,ALAN推进了花粉季的开始,并延迟了它的结束,加剧了对过敏原的暴露.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 公共卫生 公共卫生
背景情况:
- 夜间人工照明 (ALAN) 是城市地区新兴的环境压力因素.
- 阿兰破坏了自然的光暗周期,影响了植物的表观.
- 它对花粉季节时间和过敏风险的影响还未得到充分研究.
研究的目的:
- 调查ALAN对空气传递花粉季节时间和持续时间的影响.
- 评估ALAN驱动的过敏原花粉暴露的后果.
- 探索ALAN,气候和花粉季度指标之间的关系.
主要方法:
- 利用了国家过敏局 (2012-2023) 的每日花粉数据.
- 嵌入了来自可见红外成像辐射仪套件的ALAN数据.
- 使用格式化Daymet气候数据来分析花粉季的开始,结束和持续时间.
主要成果:
- 较高的ALAN暴露与较早的花粉季节开始,较晚的结束和更长的持续时间相关.
- 艾伦对赛季结束的影响比赛季开始更为明显.
- 暴露于ALAN的地点有更多的日期和更严重的过敏性花粉暴露.
结论:
- 艾伦显著改变了花粉季节的动态,延长了暴露时间.
- 由于ALAN的过敏性花粉暴露增加可能会加剧与过敏有关的健康问题.
- 在城市规划和公共卫生策略中应考虑ALAN来管理过敏.
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