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[GEO 240] - Final Exam Guide - Ultimate 30 pages long Study Guide!


Department
Geography
Course Code
GEO 240
Professor
Dr.Kristen Conway- Gomez
Study Guide
Final

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CPP
GEO 240
FINAL EXAM
STUDY GUIDE

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Chapter 1-3: Getting Started with Maps and Data
1. What is it?
a. Geographic Information System
i. Tool for making and using spatial information
ii. What and where of features
iii. Properties and attributes of those features
iv. Computer based system
b. Geographic Information Science
i. Theoretical basis for GIS
ii. Redefine concepts in geography and geographic information in digital age
2. Why is GIS important?
a. Spatial information has a greater impact on our lives than we realize:
i. Land use planning
ii. Marketing
iii. Subdivision review
iv. Engineering design
v. Even reporting
vi. Emergency dispatching
b. Human population and technology have reached levels such that many resources
are placing limits on human action
c. Help identify and address environmental problems
d. Increase efficiency of business
e. Help public organizations
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3. What can a GIS do?
a. Any GIS should be capable of 6 fundamental operations to be useful for finding
solutions to real world problems
i. Capture data
1. A GIS must provide methods for entering geographic (coordinate)
and tabular (attribute) data
ii. Store data
1. How features appear in a GIS depends on the data format in which
they are stored
iii. Query data
1. A request for specific information from a database
2. Specific features based on their location or attributes
iv. Analyze data
1. Determine which location or locations satisfy certain conditions
2. Proximity- distance
3. Buffers- determine the proximity relationships between features
4. Overlay analysis- integration of different data layers
5. In geoprocessing, the geometric intersection of multiple datasets
combine, erase, modify, or update features in a new output dataset
6. Dr. John Snow used a map showing the locations of death by
cholera in central London in September, 1854 to track the source
of the outbreak to a contaminated well- an early example of
geographical analysis
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