5 types of thematic maps
Choropleth, Dot-density, Graduated proportional symbol, Cartogram, Isoline
Absolute Location
Latitude and Longitute coordiantes
Relative Location
Location in relationship to another place
Ex: Next to my house
Absolute Direction
North, South, East, West
Relative Direction
Direction relative to another place
Ex: Turn left at the target
Absolute Distance
Miles/Kilometers/Feet from location
Relative Distance
Nearness based on time or money; influenced by mode of travel
Ex: Walking to school takes 10 minutes while driving takes 4 minutes
Clustering
Close together
Density
The amount of something in a defined area
Dispersal
Far apart
Distribution
The way something is spread out over an area
Map Projection
Showing the curved surface of the earth on a flat surface
Different projections of maps are used for different ___
Purposes
S.A.D.D
Shape, Area, Distance, Direction
3 Map Projections
Mercator, Peters Equal Area, Robinson
Mercator Map Advantages and Disadvantages
Advantages: Direction, navigation
Disadvantages: Area is distorted at the poles
Peters Equal Area Advantages and Disadvantages
Advantages: Accurate area of landmasses
Disadvantages: Inaccurate shapes
Robinsons Map Advantages and Disadvantages
Advantages: Compromise of S.A.D.D
Disadvantages: All aspects of S.A.D.D are slightly distorted
Ways data is gathered
Fieldwork/field observations, Census surveys
What is Fieldwork/Field observations
Visiting a place and recording information there
Census Surveys
Official government survey which every member of a population has to take it, not just a sample
Quantative Data
Data measured and recorded using numbers
Qualitative Data
Data collected by interviews, document archives, descriptions, and visual observations
3 types of geospatial technologies
Geographic Information Systems (GIS), Satellite Navigation Systems (GPS), Remote sensing