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Maps
MapsOpening Questions: - In what ways are maps beneficial? - In what ways are maps problematic? - How do you use maps in your own life?
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MapsI. Basics
A. Location 1. Absolute: Latitude/Longitude 2. Relative: Location related to another object
B. Distribution C. Features
1. Physical (Natural) 2. Cultural (Human)
II. Geographic Perspective A. Geographic Realms
1. Basic Spatial unit in our world organizational scheme (neighborhoods)
B. Spatial Perspective: 1. Pertaining to space on the Earth’s surface 2. Why things are located where they are, how they
got there, and how they could change !
MapsIII.Scale
A. Definition 1. The ratio between two places on a map and
the actual distance on the Earth’s surface B. Large vs. Small
1. Smaller the fraction (larger the denominator), the smaller the scale
2. Small scale shows BIG overview, large scale shows fine detail
C. Types A. Graphic Scale = scale bar B. Verbal Scale = written statement C. Fractional Scale = representative fraction
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Which Scale is the Largest?
Do they have the Same Scale?
What is the Problem?
MapsIV.Map Essentials
A. Title B. Date C. Legend D. Scale E. Direction F. Location G. Data Source H. Projection I. Type
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Thematic Map
Thematic Map
Thematic Map
Choropleth Map
Cartogram (Pop)
Cartogram: Deaths fromDiarrhea
Dot Map
Proportional Symbol
Isoline (Climate for Ag)
Topographic
Soft Drink Names
Cannibalism
Canada via Cheese
Hot Dogs in WVA
Commerce as Anatomy
MapsV. Map Projections
A. Map Problem: Spherical earth on a flat paper 1. Conformality (accuracy of shape/angles) vs
Equivalency (accuracy of distance/size) B. Types of Projections
A. Cylindrical: “wrapping” a paper around the globe
B. Planar: Marks of a center-lit globe on a flat paper
C. Conic: Marks a center-lit globe on a cone paper
D. Interrupted: Splits to minimize distortion
Cylindrical: Mercator
Robinson Projection
Planar: Azimuthal
Conic: Lambert
Interrupted: Goode Homolosine
Different Orientations
Dymaxion