THE UNIVERSITY OF TRINIDAD & TOBAGO FINAL ASSESSMENT/EXAMINATION NOVEMBER-DECEMBER 2015

Transcription

1 THE UNIVERSITY OF TRINIDAD & TOBAGO FINAL ASSESSMENT/EXAMINATION NOVEMBER-DECEMBER 2015 Course Code and Title: Programme: GIS & Remote Sensing Diploma in Agriculture & Diploma in Forestry. Date: 4 th December 2015 Time: 9:00 am 12:00 noon Duration: 3 hours PLEASE READ ALL INSTRUCTIONS CAREFULLY BEFORE YOU BEGIN THIS EXAMINATION Instructions to Candidates 1. This paper has five (5) pages and five (5) questions. 2. Each question is worth 25 marks. You are required to answer any four (4) questions. Key Examination Protocol 1. Students please note that academic dishonesty (or cheating) includes but is not limited to plagiarism, collusion, falsification, replication, taking unauthorised notes or devices into an examination, obtaining an unauthorised copy of the examination paper, communicating or trying to communicate with another candidate during the examination, and being a party to impersonation in relation to an examination. 2. The above mentioned and any other actions which compromise the integrity of the academic evaluation process will be fully investigated and addressed in accordance with UTT s academic regulations. 3. Please be reminded that speaking without the Invigilator s permission is NOT allowed. University of Trinidad and Tobago Page 1 of 5

2 Please answer ONLY four (4) questions. 1 Spatial Analysis and Modeling are integral parts of any GIS process. A complete understanding of these parts is necessary in order to properly design your GIS application. a. What is Spatial Analysis? b. List five (5) examples of spatial analysis c. List the main steps in spatial analysis d. What is spatial modeling? e. List and define the main categories of spatial modeling 2 a. List and define the main segments of GPS b. Discuss briefly the Space Segment c. Describe how GPS Works d. Discuss the Factors Affecting GPS Accuracy (9 marks) University of Trinidad and Tobago Page 2 of 5

3 3 a. Define GIS (2 marks) b. List four (4) advantages of using GIS c. List the main components of GIS d. Discuss briefly the five (5) main GIS functions (10 marks) e. List four (4) commonly used GIS websites University of Trinidad and Tobago Page 3 of 5

4 4 a. You are a GIS consultant who is required to develop a functional GIS to manage a forest reserve area which includes several stands of various types of tree species as well as trails and camping grounds for recreational use. Explain how you would go about collecting data for your project. Identify three (3) sources of data for your GIS. Explain your rationale for selecting your data sources. Give three (3) limitations to your data collection methods. (10 marks) b. You have decided to use remote sensing to generate several of your data layers for the project (specifically Landsat imagery). Identify three (3) limitations of this method and explain how you would use another type of remote sensing to overcome these limitations. (7 marks) c. ArcGIS is the primary GIS software used globally and designed by ESRI. List the three (3) license levels of ArcGIS as well as three of the modules within the ArcGIS software suite. d. What are the two data models used for representing reality within a GIS? (2 marks) University of Trinidad and Tobago Page 4 of 5

5 5 a. Identify the three (3) main ways of acquiring data for input into a GIS giving an example of each. b. Describe a scenario in which you would use each type of data acquisition technique explaining why. c. List six (6) elements of data quality. d. Identify three (3) organizations in Trinidad and Tobago that use GIS and explain how it is implemented at each. e. Define metadata. (1 mark) University of Trinidad and Tobago Page 5 of 5