100115 - encroaching dunes

Like all geologic formations, sand dunes move.  Unlike most geologic formations, they transform fast enough to see in human-scale time frames.  This blog post from Through The Sandglass describes dunes that are invading communities, a serious problem particularly in regions of the world experiencing desertification.


ica, peru

Beyond the environmental issues here, what is most important to consider is that landscapes are transformational conditions produced by processes working on their surfaces and in their depths.  Any landscape, whether urban, suburban, or geologic is undergoing constant transformation, seeing the transformation is just a question of looking at the correct scale.

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