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

A |     IT之家 7 月 22 日消息，Omdia 英国当地时间 21 日表示，印度智能手机出货量在 2026 年第 2 季度出现 13% 同比下滑，降至 3390 万部。这也是近三年最为严重的单季度同比降幅。         ▲ 图源：Omdia          机构认为这一局面是存储器成本上升推高整机定价与宏观经济逆风共同作用的结果。节庆促销季前换机需求延迟、印度卢比贬值、通货膨胀、夏季零售客流疲软也为此推波助澜。         (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)                    。         Omdia 继续预测印度今年智能手机累计出货量将出现两位数下滑，高昂的内存成本可能会使智能手机价格在 2026 年剩余时间内保持高位，智能手机价格全面恢复正常的可能性要等到 2027 年上半年才会出现。         ▲ 图源：Omdia          而在供应商角度，印度 2026Q2 智能手机出货前五分别是 vivo（630 万部）、三星（590 万部）、OPPO（460 万部）、小米（450 万部）、苹果（350 万部）。         ▲ 图源：Omdia          参考。

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