The principal karst features are the karst hills, dry valley, the grike and so on.

主要岩溶形态有岩溶丘陵、干谷、岩溶沟等。

The results showed that shrub land was the landscape radix of the dry valley.

结果表明：灌木林地是干旱河谷的景观基质；

Hot-dry valley of Jinsha River is one of the typical serious degradation areas.

金沙江干热河谷是典型严重退化区域之一。

Small glaciers spill into a mostly dry valley in western Greenland in this picture from August 29, 2009.

这张照片拍摄于2009年8月29日，展示了数个小冰川格林兰西部注入一个几乎干涸的河谷中。 各种冰川常常会直接流入到河谷中，这是早期冰川侵蚀岩床所导致的结果。

In the Central valley area of southwestern USA, a huge water engineering project provided water for farming in dry valleys, but much of the water use has been poorly managed.

在美国西南部分的中部峡谷地区，一个巨大的水引用工程向干旱的峡谷供应水，但是许多水资源被滥用了。