Figure 9.6 illustrates the theoretical evolution of a stream valley from its source to its mouth. The figure is highly compressed and diagrammatic. Which portion of the diagram illustrates the youthful stage? The mature stage? The old-age stage?
Answer to relevant QuestionsIn which stage (youth, maturity, or old age) in the evolution of a stream valley do each of the following occur?In Fig. 10.2, is the glacial ice moving faster at point X or point Y, and why?Based on the previous problem, formulate a statement relating grain size, erosion, and deposition.(a) See Fig. 9.2. Formulate a general rule on the angle at which tributaries join major streams indendritic drainage patterns.A copper telephone wire has essentially no sag between poles 35.0 m apart on a winter day when the temperature is - 20.0°C. How much longer is the wire on a summer day when TC # 35.0°C?
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