9. Slow mass movement of soil (Soil Creep)

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Soil Creep
The downslope movement of the soil mantle.
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How to measure soil creep?
Using Rudberg pillars (disadvantage, can only do once).
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Evidence of soil creep (reference)
Boulders may move downslope. Monuments, headstones, posts etc tilt downslope. Broken retaining wall (Stahler and Stahler)
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4 types of soil creep
1. Rhealogical creep (continuous creep) 2. Seasonal creep 3. Random (biogenic) creep 4. Solifluction
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Rheological soil creep?
Clay-rich soils deform under the downslope component of their own weight.
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What are recorded surface rates for rheological soil creep?
10-223 mm/yr. May not seem like much, but if there is a house on top..
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Other cards in this set

Card 2

Front

How to measure soil creep?

Back

Using Rudberg pillars (disadvantage, can only do once).

Card 3

Front

Evidence of soil creep (reference)

Back

Preview of the front of card 3

Card 4

Front

4 types of soil creep

Back

Preview of the front of card 4

Card 5

Front

Rheological soil creep?

Back

Preview of the front of card 5
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