CryoSat卫星揭示全球冰川岩石流失的警示信息
科学家利用欧洲太空总署（ESA）的CryoSat卫星数据揭示，全球冰川缩小了2％，从2010年到2020年失去了2720亿吨的冰，其中89％的损失是由于更高的空气温度所致。这种冰川减少不仅威胁淡水供应，而且对海平面上升的贡献比极地冰川的冰川流失更大。尽管格陵兰和南极洲正在失去大量的冰，但世界上大多数冰川也在失去，但测量它们流失了多少冰川是很棘手的。
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多亏ESA的CryoSat卫星和一种突破性的数据使用方式，科学家们发现，全球冰川在短短的10年时间里缩小了2％。总共失去了2720亿吨的冰川。这可以想象成一个巨大的冰块，比欧洲最高的山还要大。冰川的衰落将对当地人口以及依赖下游水的人造成严重问题。此外，从冰川流失的冰所造成的海平面上升比从格陵兰和南极洲巨大的冰层流失的冰所造成的海平面上升更多。
尽管山地冰川是气候变化的关键指标，对社会也很重要，但全球冰川质量损失的估计还是限于少数科学研究。这是由于有数不清的实际挑战要对地形复杂的山地冰川进行地图绘制和监测，而且并没有专门为此而设计的卫星任务。
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ESA的Earth Explorer CryoSat任务致力于精确监测漂浮在极地海洋中的水下冰层厚度变化，以及布满格陵兰和南极洲的广阔冰层厚度变化。对于衡量和监测山地冰川来说，这种仪器的覆盖面积太大了。
该研究团队利用CryoSat卫星的数据，该卫星搭载一个雷达高度计，用于测量冰面的高度。这对于测量海平面和海冰高度以及推算冰层厚度变化非常有效，并且对测量广阔的极地冰层也很有帮助。但是，这种仪器的射影范围对于测量和监测山地冰川来说太过粗糙。
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ESA的CryoSat卫星。示意图来源：ESA / Planetary Visions
“数年前，我们开发了一种名为扫扫处
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The Overcurrent Relays market analyzes the competitive landscape of the Industry, striking CAGR deployment of 6.2% from 2023 to 2030, highlighting the key players and their market share
The study on the PCIe market identifies its marketcompetitors and their abilities and limitations and provides a CAGR forecast of 13.4% till 2030.
The report on the Motorcycle ADAS market presents a comprehensive analysis of its scope and size, along with the company profiles and market share analysis from 2023 to 2030, projected to grow at a CAGR value of 8%.
Motorsport Components Market Size is expected to grow at a 12.2% CAGR from 2030 to 2023, as projected in the forecast report that also covers Market Share, Market Players and Market Segemtation
