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GRS621S - APPLICATIONS OF GIS AND REMOTE SENSING IN AGRICULTURE - 2ND OPP - NOV 2024 |
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nAml BIA unlVERSITY
OF SCIEnCE Ano TECHn0L0GY
FACULTYOF HEALTH,NATURALRESOURCESAND APPLIEDSCIENCES
SCHOOLOF AGRICULTUREAND NATURALRESOURCESSCIENCES
DEPARTMENTOF AGRICULTURALSCIENCEAND AGRIBUSINESS
QUALIFICATIONS:BACHELOROF SCIENCEIN AGRICULTURE
QUALIFICATIONSCODE:07BAGA
COURSECODE: GRS621S
DATE: JANUARY 2025
DURATION: 3 HOURS
LEVEL:7
COURSENAME: INTRODUCTION TO GIS AND REMOTE
SENSING FOR AGRICULTURE
PAPER:2
MARKS: 100
.
SECONDOPPORTUNITY/SUPPLEMENTARYEXAMINATION QUESTION PAPER
EXAMINER:
DR. PRISCILLAHAINDONGO
MODERATOR: PROF.JONATHAN KAMWI
INSTRUCTIONS
1. Answer all the questions in Section A and One Question for [15] marks in Section B
and another for [20] marks in Section B.
2. Write neatly and clearly.
3. All written work MUST be done in blue or black ink.
4. No books, notes and other additional aids are allowed.
PERMISSIBLEMATERIALS
1. Calculator
2. Examination paper
3. Examination script
THIS QUESTION PAPERCONSISTSOF 2 PAGES
(ExcludingThis Front Page)
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SECTION A - Answer all questions in this section.
1. Why do we need to assign a coordinate system to a scanned map?
[2]
2. What is Georeferencing in Remote Sensing?
[2]
3. What is the minimum RMS error acceptable when doing georeferencing for [2]
images?
4. According to the Geographic coordinates, the Namibian latitudes and longitudes [2]
has a positive x (which is longitude) and a negative y which is a latitude, can you
hint more on this.
5. Why do we need to set up the coordinate system before recording data on a GPS? [2]
6. How do we record point features on a GPS?
[2]
7. As a Namibian farmer, attribute why GIS is very important for us to know given that [4]
technology is accelerating in terms of recent developments and time change?
8. Why do we need both GIS and Remote Sensing applications to update us with [SJ
climate change issues in relation to Agriculture?
9. Define what GIS is and why do we need to apply GIS in Agriculture?
[5]
10. In brief discuss what is data Capturing in GIS and provide two different [5]
forms/examples of data capturing?
11. Discuss the main difference between the user and control segment in GPS.
[5]
12. Given GIS data for land tenure, what are the main land use types in Namibia.
[5]
13. As a farmer how do you decide on finding the best grazing areas in Namibia before [5]
setting up your livestock farming.
14. Discuss why we need to convert the units of measurements from square meters to [10]
hectares when calculating the area of your farm? Give an example of how the
conversion is done?
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SECTION B - Answer only two questions from this section, one question for [19] marks and
another question for [25] marks.
1. Discuss the difference between orthophotos' and other image types such as [19]
Landsat in Remote Sensing. In your answer provide an example of how each of
them is captured, case study examples on how to use each one of them and
advantages for each one of them?
2. Discuss the difference between high resolution and low-resolution images, provide [19]
an example of each one of the products and how best suited are they for Namibian
conditions based on national and regional level?
3. How do we apply GIS, GPS and Remote Sensing knowledge in Oceanography? In [25]
your discussions provide examples of how we go about deciding on the best targets
for finding fishing schools during their seasons?
4. Discuss how we use GIS in weather applications by giving an example of each data [25]
type to use and providing examples for each data set?
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