I took my daughter to Little Sahara. A few things struck me. The obvious one being the amount of sunflowers that have taken root in the sand. The desert can be reclaimed with sufficient water after all. And of couse the inexorable shifting of the sands towards the Northeast sure didn't hurt.
We have this practice of digging trenches and watching the sand collapse. Little rivulets form and improbable structures too. These structures eerily resemble things that you would see in Canyonlands or Bryce. A little bit of sand is removed from a trench and little happens. A bit more is removed and nothing. But every so often the next 'scoop' is enough to cause great changes.....some of it cataclysmic with entire structure collapsing.
It got me thinking if geologic changes in places such as the aforementioned or Grand Canyon aren't cataclysmic every few thousand years. I also started wondering if global warming might not also make up much drier or perhaps wetter. We have seen it already in Australia. Perhaps my beloved West Desert might again be a fertile grassland. Maybe I should by a boatload of land?
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