Geography Reference
In-Depth Information
Exercises
1.
Geographic Representations: Measurements,
Observations, Relationships
Think of some environmental or social issues of which you are aware and consider
how to represent them geographically. Take into account how you would measure
the observations and relate the measurements (as geographic information) to each
other. What measurement types could you use for the observations?
2.
Geographic Representations: Considering choices
Starting with the questions provided in the list of choices, consider some of the
potential issues in making the geographic representation you started in In-Class
Exercise 1 of this chapter. Any issues are valid in this exercise. Write them down and
see how they show themselves in the following chapters.
3.
Quality and Choices
Based on the discussion of geographic representation, cartographic representation,
and the relationships between them and to cartographic communication. Discuss
on hand of the example you have worked with for the other in-class exercises, what
potential impacts some of your choices can have on quality.
4.
EXTENDED EXERCISE:
Representations
Objective: Identify different measurements and geographic representations
Overview
A key part of creating and working with GI and maps is identifying the underlying
measurements and choices in geographic representations. This can be difficult, but
extremely worthwhile.
Instructions
Using maps from the library or Internet sites (e.g.,
www.davidrumsey.com
), identify
at least two different thematic maps. Examine the maps and identify the measure-
ments, geographic representations, and cartographic representations.
Questions
1. What is the title, subject, and date of the map? Who created the map? Is it
part of an atlas, series, or report? Where did you find the map?
2. What alternative measurements could have been made? Explain at least two
measurements and the consequences for the map.
3. Is it clear how the measurements are collected? Does it say when and by
whom? How is this information (or lack thereof) important for assessing the
geographic and cartographic representations?
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