M.Sc. DEGREE EXAMINATION, APRIL 2017
Second Semester
Oceanography
APPLICATION OF REMOTE SENSING AND GIS IN
OCEANOGRAPHY
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
Each answer should be in about 10 words.
1. Define Remote sensing
2. Scattering
3. Define sensors
4. Aerial camera
5. Geologic mapping
6. Microwave sensing
7. NOAA
8. SEASAT
Sub. Code
461203
RW-090
2
WS6
9. DEM
10. Digital Image.
Part B x 5 25)
Answer all questions.
All questions carry equal marks.
Each answer should be in about 500 words.
11. Mention the principles of Electromagnetic
Spectrum.
Or
Explain any one of the electromagnetic energy
interaction in the Earth surface.
12. Describe passive and active sensors.
Or
Explain about multispectral scanners.
13. Write down the principles of landform
identification.
Or
Explain briefly on visual image interpretation.
14. Discuss on high imaging spectrometry system.
Or
Mention the advantage of GPS in Oceanography.
15. Give a note on raster data model.
Or
What are the components of GIS?
RW-090
3
WS6
Part C x 10 30)
Answer any three questions.
All questions carry equal marks.
Each answer should be in about 1000 words.
16. Give a detailed account of the electromagnetic energy
interaction in the atmosphere.
17. Write an account of the principles of aerial photography
and photogrammetry.
18. Discuss in detail about hyperspectral and multispectral
sensing.
19. Write a detailed account on CZCS, MODIS and MARSIS.
20. Differentiate supervised classification from unsupervised
image classification.
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