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The Area of Cold Traps on the Lunar Surface

机译:月球表面的冷阱面积

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摘要

We numerically calculate the probability and area of permanent shadowing as a function of the sele-nographic latitude as well as the total area of the permanently shadowed surface for various hierarchical models of the lunar surface. The permanently shadowed area is shown to rapidly increase with increasing number of hierarchical surface levels. For a two-level model of the lunar relief, where the surface of craters is complicated by a random small-scale relief with a Gaussian distribution of heights and slopes, the area of the doubly shadowed regions of the lunar surface is approximately an order of magnitude smaller than the area of the singly shadowed regions. A comparison of the permanently shadowed area calculated by using averaged statistical relations and data on the actual distribution of craters near the lunar poles shows almost complete agreement.
机译:对于月球表面的各种分层模型,我们通过数值计算永久阴影的概率和面积与自然纬度的函数以及永久阴影表面的总面积。永久阴影区域显示随着层次化表面级别的增加而迅速增加。对于月球浮雕的两级模型,其中火山口的表面因高度和坡度的高斯分布的随机小尺度浮雕而变得复杂,月球表面的双阴影区域的面积大约为大小小于单个阴影区域的面积。通过使用平均统计关系和月球两极附近陨石坑实际分布的数据计算出的永久阴影区域的比较显示出几乎完全一致。

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