The macroscopic indicator is the area of all kinds of sand dunes that can be measured by surveying method directly in a region.
各类沙丘地面积可作为反映盐池沙地区域尺度上荒漠化程度的指标,简称区域荒漠化指标。
参考来源 - 盐池沙地水分动态及区域荒漠化特征研究Besides, this study also find the turbulence bursting phenomenon on the sand dunes, and the periodical coherent structure at the dune’s trough, and also make a plain analysis about the micro-dynamic process of sand dunes evolution.
本文的研究中还发现了沙垄床面上湍流猝发现象以及沙垄波谷及背水面波腰处出现的周期性拟序结构,对沙垄演化进行了较浅显的微观动力过程分析。
参考来源 - 非均匀沙起动、沙垄演化及其相应湍流动力特性实验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
N-COUNT A sand dune is a hill of sand near the sea or in a sand desert. 沙丘 [usu pl]
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