What is commonly found in places where warm air crosses a mountain and descends?

1 Answer
Apr 6, 2016

Dry desert-like ecosystems.

Explanation:

Depending on the location, if moving air encounters a mountain range it is forced up (called the windward side) and any moisture it has will tend to fall out as rain or snow if the saturation point is reached. This tends to produce lush vegetation and rainforest kinds of ecosystems.

If the air flows over the mountain and drops down the other side (called the "lee" side) it tends to compress and get warmer. Also, if the air has lost its moisture on the windward side it will be very dry air going down on the lee side. Over long periods of time, this will produce a very dry rain shadow desert kind of ecosystem.
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