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Ees403:Physical Processes Of Sedimentation Question Paper

Ees403:Physical Processes Of Sedimentation

Course:Physical Processes Of Sedimentation

Institution: University Of Eldoret question papers

Exam Year:2012

Answer all question in section A and any four in section B
Section A(30marks)
1.Write short notes on properties of sediment particles as related to the particle itself and as related to sediment mixture or deposit.(6marks)
2.Distinguish between cohesive and non-cohesive sediment materials.(4marks)
3.Differentiate between laminar and turbulent fluid flows.(4marks)
4.Name four sources of Lake Sediments.(2marks)
5.What factors control sediment deposition rate in lake sediments.(4marks)
6.Define an estuary.(1marks)
7.In reference to classification of estuaries based on water circulation,briefly describe;
a)Salt wedge estuary.(2marks)
b)Partially mixed estuary.(2marks)
c)Vertically homogenous/well mixed estuaries.(2marks)
8.Name two sources of deep sea sediments.(1mark)
9.What is volcaniclastic sediment?(1mark)
10.What are deep sea sediments?(1 mark)
Section B(40marks)
11.a)What are fluvial processes?(2mark)
b)Explain four different ways in which rivers transport sediment loads.(4marks)
c)Briefly explain when sediment deposition in rivers occurs.(4marks)
12.a)Define a beach.(2marks)
b)Distinguish between a storm beach and a berm beach.(4marks)
c)Briefly describe coastal near shore zone and state the theoretical background of the near shore sediment transport.(4marks)
13.a)What is mass wasting?(2marks)
b)Using well labeled sketches ,differentiate between rock fall,land slide and mud flows.(6marks)
c)State two factors that trigger hill slope failure.(2marks)
14.a)Define aeolian process.(1mark)
b)Briefly explain the three forces that determine if,and how,an individual grain of sediment is transported by wind.(6marks)
c)How does beach morphology influence sand dune formation in the coastal areas.(3marks)
15.Sand dunes are the most noticeable landforms produced by wind erosion and deposition of sediment.Using sketches describe how the following types of sand dunes are formed.
i.Barchan dune.(2marks)
ii.Transverse dune .(2marks)
iii.Parabolic dune.(2marks)
iv.Star Dune.(2marks)
v.Longitudinal dune.(2marks)
16.Using well labeled sketches,describe;i.Constructive waves.(5marks)
ii.Destructive waves.(5marks)

Ees403:Physical Processes Of Sedimentation Question Paper

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