Saturday, October 17, 2015

The Slow Change Regarding Geologic Risk in Washington State

I was not part of the summit discussed in this article:
However, I was quoted on a recent example on landslide risk and state timber sale. The context of the landslide I was asked about is shown below.

LiDAR image of North Zender timber sale

The slide is a deep bedrock failure. The DNR report did not discuss the mechanics of the slide and the type of rock involved. The proposed timber sales do not cover the whole slide area, but significant portions of the landslide area on the north landslide have been recently clear cut.

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