Investigate Stoke's Law, Geology Discussion Research help

Apr 9th, 2017
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Question description

  1. Select two (2) of the following questions to research the answer on the Internet.  Research sources of information on the Web can include, but not limited to, books, articles, videos, and handouts.
    • Investigate Stoke's Law and answer the following questions: What are the limitation on the application of Stokes" Law to grains descending through a fluid? ? (In other words, what makes the use of Stokes’ Law only an estimation in natural systems?) What factors determine the terminal velocity of a sedimentary particle? (counts as two) o
    • What are the sedimentological differences between humid alluvial fan deposits and those of arid alluvial fans? Assume both have a granitic primary source for the sediments.
    • How does a stream become “overloaded” with sediment? What happens to the channel when a stream is thus overloaded?
    • Why do some rivers develop meanders? What characteristics of flow lead to this sinuosity?
    • Every surfer knows that waves break as they approach the shore. You, though, as an educated sedimentologist can tell me here why waves break before they reach the shore.
    • What are the differences between marine and non-marine evaporite deposits?
  2. In a page or less:
    • State the question(s) you selected to research.
    • Post a synopsis, based on the results of your research, the answer(s) to the question(s) selected.  In the synopsis, include a brief explanation of the significance of the knowledge you learned from your research on historical geology and cite the reference source(s) of your research.
*You can choose any of the questions you want. Whatever is easiest for you.*

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(Top Tutor) Daniel C.
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Geology Discussion Research
Why do some rivers develop meanders? What characteristics of flow lead to this sinuosity?
Meanders refer to a curve or bend along the course of a river. These meanders are usually as a
result of two processes namely: erosion and deposition (Lewin, John and Philip 85). They are
mostly found in the middle and the lower courses of the river because it at these stages of the
river where the vertical type of erosion has been replaced by the sideways type of erosion
referred as the lateral erosion. Notably, at this point there is also some deposition occurring at the
floodplains.
Basically, there are three processes which lead to these characteristic features along the
river. These processes are erosion, transportation as well as deposition. In its slow flowing, a
river winds around bars or sediments leading to creation of swing like kind of flow from side to
side (Church and Ferguson 1886). This swinging towards the river bank causes an undercutting
while on the opposite side where the river’s velocity is relatively slow materials are deposited. At
this point the river gets narrow.
What are the diffe...

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