GTU Civil Engineering (Semester 5)
Disaster Assessment using Geospatial Techniques
May 2014
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Explain basics of relief and rescue operation by disaster assessment.
7 M
1 (b) Enlist types of natural disasters, India is prone to? How can geospatial technique minimize natural disasters in general?
7 M

2 (a) Explain the concept of supervised and unsupervised classification. Give the importance of ground truth verification.
7 M
Write a short note
2 (b) (i) ESRI
4 M
2 (b) (ii) Network analysis.
3 M
2 (c) Explain the systems of image classification in remote sensing.
7 M

3 (a) What are the advantages of GIS over map and Computer Aided Designs?
7 M
3 (b) Explain basic concept of Metadata? Mention its importance in GIS in detail.
7 M
3 (c) Write down type of GPS receivers and discuss basic components of generic Receiver.
7 M
3 (d) What is Sensor? Describe Air Born and Space Born sensors.
7 M

4 (a) What is resolution for sensor and pixel in image? Explain in detail spectral resolution and temporal resolution.
7 M
4 (b) Explain different resolutions with their significance.
7 M
4 (c) What do you mean by image enhancement in digital image processing? Write in detail about contrast enhancement.
7 M
4 (d) Write salient features of GIS tool GeoMedia or ArcMap.
7 M

5 (a) Draw a sketch to explain how a remote sensing system works to capture data and transfer it to the user. State the specific practical application of the infrared region of the electromagnetic spectrum.
7 M
5 (b) What are raster and vector? Write the basic differences between raster and Vector.
7 M
5 (c) Explain various interaction of incident of Electromagnetic energy with the atmosphere in detail.
7 M
5 (d) Why analysis of Geospatial Data is required? Enumerate the methods used for the same and explain each method in short.
7 M



More question papers from Disaster Assessment using Geospatial Techniques
SPONSORED ADVERTISEMENTS