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

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A | (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) 。

B | 　　近日，多名宁夏网友发布视频称，银川科技学院的新生宿舍经过升级后大变样，四人寝室标配有智能门锁、冰箱、饮水机、升降晾衣架等设施，甚至连马桶都是智能的，堪比星级酒店。　　宿舍内景(图源：银川科技学院) 　　8月25日，校方工作人员向极目新闻记者证实，该消息属实，学校的B6国际公寓共100多间宿舍均标配有上述设施，但需要新生在线上系统提前自选，先到先得。　　网友拍摄的视频显示，宿舍进门两侧分别放置着冰箱和饮水机，相邻的是四张木制的“上床下桌”，铺位间用步行梯隔开，每张床配有床帘及床头灯，下方还有衣柜。在洗漱区有崭新的洗手池和镜子，卫生间内则有智能马桶、热水器及淋浴花洒。　　宿舍内景(图源：银川科技学院) 　　网友发布视频称，宿舍内配有小冰箱　　来送女儿入学的家长梁女士向记者表示，宿舍是孩子选的，原本想着选六人间，后来又换成了四人寝。寝室内的床上和桌子都有台灯，桌子上还有数据线，大门是智能密码锁，阳台有升降晾衣架，这些设施她和孩子都很满意。　　梁女士坦言，住宿费相对而言也会比六人间更贵一些，所以环境好一点也很正常。　　25日下午，记者联系银川科技学院，一名工作人员介绍，目前学校仅有B6国际公寓共100多间这样的宿舍，费用是一年4500元。该宿舍优先本硕班的学生，其他专业的新生也可预定，会有一定的名额配比，需要学生自己线上“抢购”。

C | 8月15日，预订系统刚刚开放不久便“售罄”。不过，后续其他楼栋的宿舍可能也会升级改造。　　宿舍内景(图源：银川科技学院) 　　据微信公众号“银科微后勤”介绍，日前，该校重点推进B6国际公寓升级建设，公寓空调、热水器、水电表、座椅等基础设备安装调试完毕，冰箱、饮水机、床头灯、吹风机等便民设备布设到位，公寓床铺、楼栋标识安装及精细化保洁工作全部收官。