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Epm 304:Remote Sensing And Image Interpretation Question Paper
Epm 304:Remote Sensing And Image Interpretation
Course:Remote Sensing And Image Interpretation
Institution: University Of Eldoret question papers
Exam Year:2012
ANSWER ANY THREE QUESTIONS AFTER QUESTION ONE
Q1.(a)Discuss three problems you could encounter in acquiring and interpreting large scale aerial photographs of a rugged mountainous area.
(b)Draw and label the cross-sectional diagram of color infrared aerial film.
(c)Discuss the importance of lineaments in the applications of remote sensing in land resource studies.
(d)Use a diagram of a cross sectional view of an image formed by a simple lens to explain the following :Nodal point,Focal plane,Focal point,Aperture stop,Optical axis ,and Focal length.
(e)Explain(i)how and (ii)why spectral response patterns of a cultivated areas in Uasin Gishu county may vary between February and December.
(f)Discuss briefly the major current uses of (i)geostationary satellite and (ii)polarorbiting satellites.
Q2.(a)(i)Explain the working principles of the Side looking Airborne Radar and
(ii)Discuss the advantages of its imagery over aerial photographs.
(b)(i)Two objects in an aerial photograph of scale 1:10,000 measures 5cm apart;how far apart are the two objects on the ground?
(ii)A pond in an aerial photograph of scale 1:20,000 measures 10sq.mm.How large is the pond on the ground (sqm. and ha)?
Q3.(a)Discuss the advantages and disadvantages of the geostationary satellites and the polar orbiting satellite remote sensing systems for environmental monitoring.
(b)Is an aerial photograph a "map"?Explain.
(c)Explain the three nominal electromagnetic band used in remote sensing.
(d)Use a diagram to explain a film characteristic curve.
Q4.(a)Define the following:film magazine ,representative fraction.
(b)Explain the multispectral concept in remote sensing and discuss its advantages
(c)Explain the operating principles of the scanning systems used in LANDSAT MSS and SPOT satellites for acquiring imagery of the land surface.
(d)Explain what happens to the electromagnetic radiation that reaches the surface of the earth.
Q5(a) Explain the following:specular reflection;collateral information;direct recognition;photomorphic regions;densitometer
(b)There are 8 elements if image interpretation.Discuss any 5 of them.
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