What causes material that was previously stable to move downslope under the influence of gravity, either slowly or rapidly?
Answer to relevant QuestionsWhereas oversteepening makes slopes unstable, what actually triggers rapid mass movements?See Fig. 8.6. Your good friend has the opportunity to buy this riverside land in a beautiful canyon at good price. She wants to build a log cabin on the site. Knowing some geology, what should you tell her?When does precipitation become surface runoff (Fig. 8.1)?What types of sediment constitute the total load of a stream?When do rivers do most of their work of transporting sediment?
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