在过去几十年里，这些雪阻止了表层的水温升高得更多，增加了冰原的容积，并反射了太阳光。
And for the last few decades, that snow kept surface waters from warming even more, added bulk to sea ice, and reflected sunlight.
一层新的夏季雪本可以保护冰原，但几乎没怎么下雪。
A fresh coat of summer snow would have protected the ice sheet, but little snow fell.
厄瓜多尔卡扬贝山(4698米)：我们正好处于赤道，但是风抽打着来自厄瓜多尔第三高山冰川和冰原的雪。
698m (15, 420ft) mount Cayambe, Ecuador: We are dead on the equator but the wind whips snow from the glaciers and icefields on Ecuador's third highest mountain.
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