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“桑拿天”来了 防暑别松懈_我的网站

一 |     随着低涡切变系统逐步东移，杭州持续多日的雷阵雨天气明显减弱，久违的阳光重新上线。    

    Chinese research icebreaker Xuelong 2 arrives at the domestic base dock of China's polar expeditions in Waigaoqiao, Shanghai, on May 18, 2026. The vessel successfully completed all tasks of China's 42nd Antarctic expedition mission before returning to Shanghai. Photo: VCGChina's research icebreaker Xuelong 2 began its first ice station survey of its current voyage near 84 degrees north latitude in the central Arctic Ocean on Sunday, marking the start of an approximately half-month comprehensive survey of the region.
After completing the first stage of comprehensive ocean station surveys on Friday, Xuelong 2 sailed toward higher latitudes and selected a large, relatively flat piece of sea ice about 1.5 meters thick in a densely packed ice zone for its first ice station.
According to Lin Long, captain of the Xuelong 2 sea ice team, the ice station survey conducted by the vessel during this voyage will include six short-term ice stations and one long-term ice station, the Xinhua News Agency reported Sunday.
More than 20 types of scientific operations will be carried out, including the deployment of expendable ice-based buoys, snow and ice-core sampling, under-ice water sampling, sea-ice remote sensing, atmospheric profiling and under-ice oceanographic observations.
Lan Musheng, assistant to the chief scientist of the expedition, said the researchers will comprehensively monitor changes in parameters related to the atmosphere, sea ice, upper ocean and ecological processes beneath the ice as the sea ice melts.
The observations will provide scientific data for studying the rapid changes in Arctic sea ice, the mechanisms behind those changes and the evolution of Arctic ecosystems.
The ice station work is part of China's 16th Arctic Ocean scientific expedition, which was organized by the Ministry of Natural Resources. The expedition set sail from Dalian, Northeast China's Liaoning Province on July 3.
The mission is being carried out by four vessels - Xuelong, Xuelong 2, Jidi and Tansuo-3 - and is expected to be completed in early October. 
The expedition is focusing on comprehensive surveys of sea ice, hydrology, biology, ecology and the atmospheric environment in key areas of the Arctic Ocean.
The two icebreakers Xuelong and Xuelong 2 will work together on the ice station surveys. Xuelong completed surveys at 12 ice stations on Friday.
Lin said the ice station locations planned for Xuelong 2 will work in coordination with those of Xuelong to form an observation array. 
The arrangement will allow researchers to more deeply investigate the interactions among the atmosphere, sea ice and ocean in the central Arctic Ocean amid rapid environmental changes, as well as their coupling effects with the ecosystem.
The expedition is being conducted against a backdrop of rapid changes in the Arctic environment. 
When the mission was launched in July, expedition leader Wang Jinhui said that global warming was driving rapid and profound changes in the Arctic natural environment, with trends such as sea-ice melting intensifying.
The expedition is therefore designed not only to monitor environmental changes but also to investigate frontier scientific questions, including the dynamic evolution of the oceanic crust. 
Working on sea ice also presents significant safety challenges. Low temperatures and complex ice-surface conditions can pose risks to researchers, while polar bears are considered the biggest safety risk during ice station operations.
The expedition team has therefore formulated specific bear-prevention and emergency response plans and equipped personnel with various types of bear-deterrence equipment and emergency supplies to ensure their safety.
。据市气象台预报，未来两天，此前暂退的副热带高压将再度加强西伸，受其影响，杭州气温将持续攀升，主城区午后最高气温将达33℃至35℃，且午后多分散性雷阵雨天气，市民外出记得随身备伞，兼顾遮阳和挡雨。此前我市经历多轮连续降雨，土壤含水量充沛，经日照加热后大量水汽蒸发进入空气，形成典型的“桑拿天”，高温高湿特征突出。这种环境下空气湿度大，人体汗液难以挥发，散热效率大幅降低，体感黏腻闷热。不少人误以为只有气温突破35℃高温线才会引发中暑，其实在“桑拿天”里，即便气温不是很高，也极易诱发中暑。近期大家要多留意自身状态，尽量减少正午前后长时间户外活动；外出做好遮阳防护，随身携带饮用水，采取少量多次的方式补充水分；居家可开启空调改善室内高湿环境，但温度不宜设置过低，还需适时开窗通风；一旦出现头晕乏力、胸闷恶心、大量出虚汗等症状，须立刻转移至阴凉通风处休息，如果症状未缓解请及时就医。8月20日起，受海上东风波西进影响，杭州阵雨或雷雨天气将增多，气温也将小幅回落。

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Published on:09:22:05