季节的变化:波士顿马拉松湿球球10月的全球温度指数
Samuel N Cheuvront1, Robert W Kenefick2, Phil T Blazy2
1Sports Science Synergy, LLC, Franklin, MA.
Wilderness & environmental medicine
|August 16, 2023
概括
10月的波士顿马拉松经历了较高的热应激,由黄色旗日表示,由于温度升高. 实时湿球球体温度 (WBGT) 监测对于管理户外活动期间的热风险至关重要.
科学领域:
- 环境科学 环境科学
- 运动医学 运动医学
- 气候科学 气候科学
背景情况:
- 实时热应激监测对于户外活动至关重要,特别是随着极端天气的增加.
- 湿球球体温度指数 (WBGT) 是评估热应力的一个关键指标.
- 马拉松组织者越来越认识到需要立即获得WBGT数据.
研究的目的:
- 描述2021年10月波士顿马拉松期间的WBGT指数及其组成部分.
- 将2021年10月的WBGT测量与4月比赛 (2014-2019) 的历史数据进行定性比较.
- 突出实时WBGT测量对事件管理的重要性.
主要方法:
- WBGT指数及其组成部分 (干球,黑球,自然湿球温度) 测量每小时一次.
- 监测是在第125届波士顿马拉松赛道的三个地点进行的.
- 数据收集时间为2021年10月11日09:00至15:00时间.
主要成果:
- 在被监测的城市中,WBGT指数没有显著差异.
- 部分阴云的天空导致太阳能负载与4月的观测结果相比.
- 干灯泡和湿灯泡的温度高于典型的4月日期,导致大多数比赛的黄色旗警告.
结论:
- 波士顿10月马拉松是有史以来最热的比赛之一.
- 未来的气候挑战可能需要重新安排户外活动.
- 实时WBGT指数测量对于管理与极端高温相关的风险至关重要.
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