Satellite monitoring by the NSIDC in Boulder, Colorado, shows that the melting of sea ice has been unusually fast this year, with as much as 40, 000 sq km now disappearing daily.
美国冰雪数据中心在博尔德和科罗拉多州的卫星监测显示：今年海冰的融化速度异乎寻常地快，冰层以每天高达4万平方公里的速度在消失。
Outlined in this paper are the operational system for monitoring of sea ice and the technique of extraction of sea ice parameters from satellite remote sensing data.
本文介绍了我们在微机图象处理系统上开发的海冰卫星遥感监测业务系统以及海冰多数提取的方法。
Resolving the difficulty to monitoring Antarctic sea ice and forecast of sea ice slot and free water route.
解决了南极海冰监测和冰缝、水道预报的难点。
The U. S. space agency NASA and the National Snow and Ice Data Center in Boulder, Colorado, have been monitoring Arctic sea ice from space since 1979.
美国航空航天局和全国冰雪数据中心（位于科罗拉多州的博尔德县）自1979年以来就开始从太空中观测北极海冰。
Now in its 10th year of monitoring the land, oceans, sea ice and clouds, Terra tracks environmental change like a doctor monitors a patient's vital signs.
到目前为止，我们用这种方法监视大地，海洋，冰川和云层已经有10个年头了，我们像医生检查病人生命特征一般记录著地球的环境变化。
Now in its 10th year of monitoring the land, oceans, sea ice and clouds, Terra tracks environmental change like a doctor monitors a patients vital signs.
到目前为止，我们用这种方法监视大地，海洋，冰川和云层已经有10个年头了，我们像医生检查病人生命特征一般记录着地球的环境变化。
Now in its 10th year of monitoring the land, oceans, sea ice and clouds, Terra tracks environmental change like a doctor monitors a patients vital signs.
到目前为止，我们用这种方法监视大地，海洋，冰川和云层已经有10个年头了，我们像医生检查病人生命特征一般记录着地球的环境变化。
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