ESM392 : REMOTE SENSING (2017)

NATIONAL OPEN UNIVERSITY OF NIGERIA

Plot 91, Cadastral Zone, NnamdiAzikwe Expressway, Jabi, Abuja

FACULTY OF SCIENCES

JULY EXAMINATION 2017

 

COURSE CODE: ESM392                                                  TIME: ALLOWED: 2:30mins

COURSE TITLE: REMOTE SENSING                                                      CREDIT UNIT: 2

Instructions:   1. Attempt question Number one (1) and any other three (3).

2. Question number 1 is compulsory and carries 25 marks, while the other questions carry equal marks (15) each

3. Present all your points in coherent and orderly manner

1a. As a student of environmental science, what do you understand by the term “Remote Sensing”(10 marks)

b. State the components of remote sensing (7 marks)

c. Briefly explain the areas of applications of remote sensing (8 marks)

2. Discuss the essentials of the following terminologies in remote sensing:

a. Electromagnetic radiation (3 marks)

b. Wavelength and Frequency (3 marks)

c. Electromagnetic Spectrum (3 marks)

d. Visible Spectrum (3 marks)

e. Radiation Principle (3 marks)    (15 marks)

3a. Differentiate between the remote sensing sensor and sensing sensor platforms (5 marks)

3b. Discuss the three classifications of remote sensing platforms. (10 marks)

4. With examples, discuss the various imaging systems in the remote sensing techniques (15 marks)

5a. Explain the term ‘Aerial Photography’ (5 marks)

5b. Give an explanatory account onAerial Photography (10 marks)

You can get the soft copy for this course or the exam summary answers for this course from 08039407882

Exam summary sample below

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