降雪形成的覆盖在陆地、海冰表面的积雪层。
有时足迹又被新落下的雪盖没。
机载和星载遥感数据提取的雪盖面积是融雪径流模型的重要组成部分。
Satellite - and airborne-derived measurements of snow covered area have been used in snowmelt runoff models.
土季节冻结和融化的影响因素主要有雪盖、植被、土壤成分及含水量、地表状况和地形等。
The factors that can influence the soil seasonal free zing and thawing include snow -cover, vegetation, the soil component and contain water, the condition of earth, landform and so on.
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