water equivalent of snow cover

例句：

1. 1. The region's climate is characterized by its high annual snow cover equivalent.
   该地区气候的特点是年降雪量高。
2. 2.The scientists used satellite data to calculate the water equivalent of snow cover in the region.
   科学家们使用卫星数据计算了该地区雪盖的水量等价物。
3. 3.The research project aims to improve our understanding of how changes in snow cover affect regional water resources.
   该研究项目旨在提高我们对雪盖变化对区域水资源影响的理解。