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Ens 331; Remote Sensing For Environmental Sciences Question Paper

Ens 331; Remote Sensing For Environmental Sciences

Course:Remote Sensing For Environmental Sciences

Institution: Kenyatta University question papers

Exam Year:2014

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2013/2014
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF ENVIRONMENTAL SCIENCE
ENS 331: REMOTE SENSING FOR ENVIRONMENTAL SCIENCES

DATE: Tuesday, 19th November, 2013 TIME: 8.00 AM - 10.00 AM

INSTRUCTIONS
Answer question ONE and any other THREE

1. a) Discuss the significance of remote sensing applications as compared to past earth observation approaches (5mks)

b) Describe remote sensing and explain image interpretation (5mks)

c) Write short notes on the following in relation to remote sensing:
i) Criteria for sensor selection (3mks)
ii) Pixel vectors and labeling (3mks)
iii)Color composite (3mks)
iv) Change detection (3mks)
v) Constraints of airborne multi-spectral scanners (3mks)

2. Using suitable examples, discuss the various thematic areas of remote sensing techniques for environmental science applications (15mks)

3. describe the supervised and unsupervised application processes and evaluate their suitability in the analysis of vegetation species change-detection in the Aberdare forest (15mks)

4. Evaluate, with a suitable illustration, the key components of the remote sensing process in the characterization of oceanographic dynamics (15mks)

5. Describe how a mapping evaluation of land suitability, with environmental overlays so as to indicate potential usefulness of spatial planning for managing Maasai Mara National Park, could be carried out (15mks)

Ens 331; Remote Sensing For Environmental Sciences Question Paper

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