Saturday, December 11, 2010

That Was Then

Here are the Park's two glaciation animations. No longer on their website, alas, so I can't point you to the webpages. And you've seen them in these pages before. But repeating them here so they are not lost. Wish we could slow down the animations so we can savor the moment when the mountain glaciers have retreated, the big ice rivers block the outlets, and there are long lakes in all the valleys.

This bears on the Elwha dam removals. Barely 10,000 years ago, all the salmon had to gradually disperse up the newly opened rivers, find breeding gravels, settle into a new pattern of life. As our salmon present-day will have to do after the dams come down.

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