Dust Devil Populations and Statistics
Dust Devil Populations and Statistics
复制标题
尘暴数量和统计数据
DOI：
10.1007/s11214-016-0277-9
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发表时间：
2016
影响因子：
10.3
通讯作者：
B. Jackson
中科院分区：
文献类型：
--
作者：
R. Lorenz;B. Jackson
指出了地球和火星上尘卷风直径和压降分布的高度倾斜，并讨论了呈现和比较不同类型观测的挑战。广泛持有的火星尘暴比地球更大的观点得到了严格的评估：这个问题在某种程度上被不同的观测技术所混淆，但有迹象表明火星上的尘暴比地球大3倍。有记录的最大和最强烈的魔鬼（在相对压力意义上）在火星上，尽管报告的最大数量密度在地球上。文献中使用的“平均”直径、压力截面和面积分数等概念的困难，在估计人口积分效应（如扬尘）的背景下得到了注意。
The highly-skewed diameter and pressure drop distributions of dust devils on Earth and Mars are noted, and challenges of presenting and comparing different types of observations are discussed. The widely-held view that Martian dust devils are larger than Earth’s is critically assessed: the question is confounded somewhat by different observation techniques, but some indication of a ∼3x${\sim} 3\mathrm{x}$ larger population on Mars is determined. The largest and most intense (in a relative pressure sense) devils recorded are on Mars, although the largest reported number density is on Earth. The difficulties of concepts used in the literature of ‘average’ diameter, pressure cross section, and area fraction are noted in the context of estimating population-integral effects such as dust lifting.