中国梦之声

Study warns of longer extreme heat periods by century's end_我的网站

一 |          (ECNS) -- Hot days worldwide could experience around four additional hours of extreme heat by the end of the 21st century under a high-emissions scenario, according to a study led by Chinese researchers.    Published in Nature Climate Change, the study found that traditional daily temperature indicators may overlook shorter periods of extreme heat, while hourly temperature analysis can provide a more detailed picture of heat exposure and associated risks.        Researchers from Sun Yat-sen University and other institutions analyzed global hourly temperature data from 1981 to 2023, combining observational records with climate model projections to assess how extreme heat exposure could change in the future.    The research team found that the duration of extreme heat increased by 62 hours per decade over the study period. Around 28% of extreme heat events occurred on days that would not have been classified as hot days based on conventional daily temperature indicators.    Under a high-emissions scenario known as SSP5-8.5, the researchers projected that between 2070 and 2099, each hot day could experience around four additional hours of extreme heat compared with the 2001-2023 period. Days not classified as hot could also see increased periods of extreme heat.    The study also found that low- and middle-income countries account for a disproportionately large share of both current and projected extreme heat exposure. Younger generations in low-income countries are expected to experience the greatest increase in lifetime exposure.    Researchers said the findings could help improve heat-warning systems, strengthen assessments of health risks and support climate adaptation efforts.    (By Helen Mo, intern Liu Shuangjing)                    。

二 |     AI摘要      卢秀燕出席活动表示，国民党正推进整合以备战2028年选举，强调团结合作。她呼吁赖清德专注南部水患救灾，批评执政团队应将心思放在慰问灾民与解决灾情上。         台中市梧栖区永安里市民活动中心24日举办启用典礼，台中市市长卢秀燕受访时说，外界已看到国民党展现出团结、合作的气氛，会持续推进整合，2028年一定要让国民党重新“执政”，让台湾更好。    卢秀燕最近和台民意机构负责人韩国瑜、台北市长蒋万安同台，蓝营合作气氛渐浓。对此，卢秀燕表示，现在正在拼2026县市长选举，更重要的是2028“大选”，过去蓝营基本上都是单打独斗，但一个人走得快，一群人可以走得又快又远，所以一定要团结。她在国民党里面比较资深，所以这段时间的确在进行整合，只要为台湾好，就是我们合作的对象。    卢秀燕还喊话说，南部目前灾情让人忧心，建议赖清德赶快去救灾，去慰问灾民。这次水患非常严重，民众泡在水里，“执政”团队要把所有的心思放在救灾上。

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