snow cover

基本解释

But one phenomenon that may be significant is the way in which seasonal snow cover has continued to increase even as other frozen areas are shrinking.
需要注意这样一个明显的现象，尽管其他冰冻区域正在日渐减小，但季节性积雪所覆盖的区域却在持续地扩张。
The rate of melting in the Arctic isn't just a function of temperature change; local weather conditions, snow cover and ocean currents can also influence ice loss.
北极冰的融化速度加快只是气温变化的一种后果；当地的天气状况，冰雪覆盖程度和洋流都影响着冰的消融。
Snow cover duration was also at a record minimum, going back to since record-keeping began in 1966.
积雪覆盖的持续时间也是自1966年开始记录以来最短的。

Of these freshwater resources, about 24 million km3 or 70% is in the form of ice and permanent snow cover in mountainous regions, the Antarctic and Arctic regions.
FORBES: Connect
On February 9th in 1855, residents of Devon, England awakened to a find a light snow cover blanketing the landscape, rendering the bucolic countryside a whiter shade of pale.
FORBES: Fed And Treasury Leave Devilish Prints On Bull Market

积雪
The snow cover rate trend of Manas upriver region present low-high-low in 2000-2009.
2)2000-2009年玛纳斯河上游地区积雪覆盖率总体趋势上呈现低-高-低的走势。
雪盖