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来源：百度知道 编辑：UC知道 时间：2024/05/25 11:32:43
整个地球都在变热, 这在北极地区尤为明显, 从而使得起冰川融化的速度不断加快, 在过去的100年中, 北极地区的气温上升幅度相当于全球平均水平的2倍. 估计这一状况还会继续, 很有可能导致北极地区冰盖的消失和北极熊的灭绝. 1978年以来的卫星观测表明, 北冰洋的冰盖正以每年2.7%的速度缩减. 而夏季的冰盖面积缩减则更快, 达到每年7.4%(图1.3)1980年以来, 北极圈内的永久冻土的表层温度上升了近3, 1900年以来北半球季节性冻土地带缩减了7%, 在春季更四缩小了15%.

亲手翻译：

The whole Earth is warming up, and this is particularly apparent in the Arctic region, where a continuous acceleration in the rate of glacier melting was resulted. In the past 100 years, the range of temperature increase in the Arctic region was equivalent to twice that of the global average. This trend is expected to continue, and very likely would result in the disappearance of the Arctic glaciers and the extinction of the polar bears. Satellite observations made since 1978 show that the area of Arctic glaciers is diminishing in a rate of 2.7% per year, particularly in summer, when the glacier is diminishing in a rate of 7.4% per year (Image 1.3). Since 1980, the surface temperature of the permafrost zone in the Arctic circle has raised by nearly 3 degrees. Since 1900, the area of seasonal permafrost in the Northern Hemisphere has diminished by 7%, and particularly in spring by 15%.

请参考。

The whole world is changing all of this is particularly evid