yardang

The seasonal water flow and gravitational collapse also play some important roles in the processes of yardang landform forming.

在雅丹地貌的形成过程中，季节性流水和重力崩塌也起着一定的作用。

Compared with wind accumulation landforms, investigations to yardang landform, which is a wind erosion landform, are very little.

与风积地貌相比，对雅丹地貌这一风蚀地貌形态的研究甚微。

A variety of external morphology and mysterious formation causes that showed by yardang landforms always stimulate the interest of geographers and explorers in this landform.

雅丹地貌因呈现出丰富多样的外部形态和神秘的形成原因而激起地理学家和探险家们的研究兴趣。

Through thoroughly field investigations, indoor experimentation and analysis, remote sensing image processing, this paper mainly studied yardangs' external morphology, regional wind dynamic conditions and material composition characteristics of yardang landforms.

通过详尽的野外考察、室内实验分析、遥感影像处理等，主要从雅丹外部形态、区域风动力条件和形成雅丹地貌沉积物的物质组成特征三个方面进行研究。

the yardang is of magnificent scenery, giant-scale and strange mirages and is treasures of geoheritage landscape resources.

它们色彩绚丽、规模宏大、形态奇特、场面壮观，构成新疆地质地貌类地质遗迹景观资源中的精品。

New observations of the Sinian system in the southern Yardang mountains, Xinjiang

新疆南雅尔当山震旦系的新观察

However, yardang landform has its own processes of coming into being, developing and passing away.

然而，雅丹地貌也有其发生发展和消亡的过程。

This paper selected the yardang landforms in the Qarhan Salt Lake regions, which located in the central south of Qaidam Basin, as study object.

文章选取柴达木盆地中南部的察尔汗盐湖地区的雅丹地貌为研究对象。

Eight yardang types in Central Asia

中央亚细亚的八种雅丹地貌类型

The results indicated: ( 1) The external morphological characteristics of yardang landforms.

文章的主要结论如下：（1）雅丹地貌的外部形态特征。

By the erosion of external forces, the yardang bodies will gradually flatten and disappear.

在外力侵蚀作用之下，雅丹体也会逐渐削平降低，逐渐消失。

Distribution and Characteristics of Yardang Landform and Its Formation Period, West to Yumenguan, Gansu

玉门关西雅丹地貌的分布和特征及形成时代问题

During the processes of yardang landform forming, the extracted salts form hard salt crust, which reduces erosion and damaging effects of external forces and has a protective effect on yardang landforms.

同时，雅丹体表面析出的盐分逐渐固结，形成坚硬的盐壳，减少了外力的侵蚀破坏作用，对雅丹地貌具有一定的保护作用。