1.2 Flashcards
(17 cards)
Who can gather data in the field?
Organizations or individuals
Name a few geospatial technologies.
- Geographic Information System (GIS)
- Satellite navigation systems
- Remote sensing
- Online mapping and visualization
What are the sources of spatial information?
- Field observations
- Travel narratives
- Policy documents
- Personal interviews
- Landscape analysis
- Photographic interpretation
How can data be categorized?
- Qualitative
- Quantitative
What is qualitative data?
Anecdotal evidence such as personal stories, photographs, interviews, written notes
What is quantitative data?
Numeric data such as zip codes and census information
How does the scale of mapping affect data interpretation?
Interpretation may change depending on scale
What is landscape analysis?
Describe or define landscapes through observation and interpretation
What technologies enhance the accuracy of data collection?
Remote sensing
What must be done after data is collected?
It must be interpreted
What can conclusions drawn from data include?
- Changes in physical landscapes
- Cultural effects (migration, emigration)
- Economic impacts
What is Geographic Information Science?
The development and analysis of geographic information
What does remote sensing involve?
Satellites gathering information
What is the function of the Global Positioning System (GPS)?
Allows for navigation based on satellite positions
What does a Geographic Information System (GIS) do?
Captures, stores, queries, analyzes, and displays geographic data
What does data layering in GIS refer to?
Data is layered for analysis
What could be mapped using census data regarding voters?
- Number of voting-age residents per household
- Political party affiliation of the average resident
- How residents voted in the last election
- How voters might vote in the next national election
- How voters stand on current issues