Quiz5_questions - QUESTIONS FOR QUIZ 5: GEOG 360 SPRING...

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QUESTIONS FOR QUIZ 5: GEOG 360 SPRING 2008 From the Text: 1. What is the definition of the choropleth mapping technique? A method of cartographic representation which employs distinctive color or shading applied to areas other than those bounded by isolines 2. What data is appropriate for use with choropleth mapping? Enumeration data 3. When should you not use the choropleth technique? Geographic phenomena that are continuous in nature should not be mapped by the choropleth technique because their distributions are not controlled by political or administrative subdivisions 4. Describe the trade-offs between map scale and the number of areal units. Map scale- involves two considerations: necessity and available space i. Necessity- the scale be sufficient to accommodate symbol recognition ii. Available space- sets constraints on the eventual size of the whole map, and consequently the size of each area symbol Areal Units- the larger the number of areal units used for the entire study area, the more details of the geographical distribution the map can show 5. Define idiographic data classification methods. Particular events in the data array are selected as class boundaries; these events may be troughs in the data histogram 6. What is the down-side of unclassed choropleth maps? The cartographer loses the ability to direct the message of the communication 7. What two methods of improving legend design does the text offer? More desirable to report the class breaks in the legend so that only the values actually existing in
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This test prep was uploaded on 04/07/2008 for the course GEOG 360 taught by Professor Willis during the Spring '08 term at Binghamton University.

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Quiz5_questions - QUESTIONS FOR QUIZ 5: GEOG 360 SPRING...

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