哥白尼气候变化服务局,2023年6月20日
欧洲委员会于6月20日发布了第六份年度2022年欧洲气候状况(ESOTC)报告,详细分析了去年的气候状况,并就主要冰冻圈动态提供了最新观察,特别侧重于北极地区。报告的第一部分概述了全球冰川、海冰、冰盖和海平面上升;接下来的部分总结了去年欧洲的温度、降水、干旱、野火和冰冻圈趋势;最后一部分以北极地区作结,重点介绍了近期格陵兰岛的热浪。.
2022年,包括欧洲西部大部分地区、北非部分地区、非洲之角、中亚和中国以及南太平洋大部分地区在内的全球多个地区,迎来了有记录以来最温暖的一年。北冰洋、波罗的海、黑海以及热带太平洋等海域的海表温度上升速度最快。陆地上,全球冰川普遍出现大幅减少。在阿拉斯加、安第斯山脉、亚洲高山地区和新西兰等地,均观测到显著的冰川退缩。.
欧洲:2021-2022年冬季,欧洲大部分地区的降雪量比平均水平少近三周,这导致夏季出现了大范围的干旱和冰川融化加剧。积雪覆盖减少会使脆弱的冰川表面暴露在阳光下,加速了欧洲阿尔卑斯山脉夏季的融化。当时气温创纪录地升高,一年内融化的冰量创下历史新高,损失了%(相当于厚度减少3.5米多)的冰量。.
Arctic: In 2022, Greenland saw its highest temperatures on record for the month of September, reaching up to 8°C above average. The extreme heat, combined with rainfall during a time of year when precipitation would normally fall as snow, led to record ice sheet melt, with around a quarter of the ice sheet’s surface experiencing melt during the first few days of September. These records were mirrored in other Arctic regions such as Svalbard, which experienced its warmest summer on record in 2022 and reached 2.5°C above average in some areas.
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