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I do have a couple of new toys for the digital mapping crowd, but I only have time to post a totally cool aerial image of a part of Nevada that I am working in:

Effects of flooding on alluvial fan along the east shore of Walker Lake, Nevada

Effects of flooding on alluvial fan along the east shore of Walker Lake, Nevada

This image of an alluvial fan along the east shore of Walker Lake, Nevada is totally cool, no? Check out the way the flood interacts with the array of recessional shorelines that record the demise of the lake. Gotta grow alfalfa to feed cows to feed people, right? Surely they grow some other stuff upstream…In any case, the geomorphic signature of lake shrinkage is striking and, combined with the natural demise of the lake since the late Pleistocene, provides an obvious succession of timelines in the landscape that are quite useful for constructing a chronology of events.

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One Comment

  1. FYI and you probably saw this already but the active channel also interacts with the fault (vertical orientation in the right 1/4 of the photo) by narrowing (incising?) until it reaches the road way which also appears to influence the flow by causing them to spread and the channel to branch. The interaction with the shorelines is pretty cool. I might have to put this on list or road trip priorities.

    PS – great blog! and great digital tips. I’m a new reader and am just facing up to geo-cacheing my photos.


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