Unit 1 Review Flashcards
Reference maps
Informational map
Political
Physical
Road
Thematic Maps
Communicate information about a place - spatial aspects - what is it like there?
Choropleth
Dot-Density
Graduated/Proportional Symbol
Cartogram
Isoline & Topographic
Choropleth
Use various colors, shades of one color, or patterns to show the location and distribution of spatial data.
Dot density
Each dot represents a specified quantity of a spatial characteristic.
Graduated/ Proportional Symbol
Use symbols of different sizes to indicate different amounts of a variable.
Cartogram
The sizes of countries are shown according to a specific variable. Area is distorted to show a variable.
Isoline
Use lines that connect points of equal value to depict variations in the data across space. Used for weather and elevation.
Absolute location
EXACT, PRECISE
Address
Latitude & Longitude
Rio de Janeiro is located at 23°S, 43°W.
Relative Location
Relationship to another place
Next to my house
Between Werk & Lawrence
Absolute Distance
EXACT, PRECISE
Miles/Kilometers/Feet
Oak Hills is 21.3 miles away from my house.
Map Scale
Relative distance
Spatial Interaction: Connections, contacts, movement, and flow of things between places.
Amazon has drastically decreased relative distance between consumers and products.
I can order anything on Prime and have it delivered to my house in two days!
Absolute direction
EXACT, PRECISE
Cardinal Directions: NSEW
Relative direction
Remember, relative-relationships.
Turn left at the Target, then right at the second stop-sign
Clustering
Close together
Density - The # of something in a
defined area.
Dispersal/Distribution
Far apart
Distribution - The way something is
spread out over an area.