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