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Part A. Mercator Map a rectangular map used as a navigation tool in which the lines for longitude and latitude are straight and parallel. Distortions.

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Presentation on theme: "Part A. Mercator Map a rectangular map used as a navigation tool in which the lines for longitude and latitude are straight and parallel. Distortions."— Presentation transcript:

1 Part A

2 Mercator Map

3 a rectangular map used as a navigation tool in which the lines for longitude and latitude are straight and parallel. Distortions increases as you move further from the equator.

4 Distortion

5 the loss of accuracy in size, shape, position or distance when transferring a curved surface to a flat surface such as a map.

6 Projection/Projection Types

7 a representation of a curved 3- dimensional surface onto a flat 2- dimensional map. There are 3 major types of projections: cylindrical, conic, and planar.

8 Map Scale

9 ratio of a distance on the map to the corresponding distance on the ground

10 Parts of a Map (TODALS)

11 an acronym to used to remember the different parts of a map. Title, Orientation (compass), Date, Author, Legend (what symbols on the map mean) Scale ratio of distance used on the map.

12 Cartogram Map

13 a map in which the shape or size is distorted in order to demonstrate a variable such as travel, population or economic production.

14 Choropleth Map

15 shaded or patterned map used to visualize how a measurement varies across a geographic area.

16 Thematic Map

17 shows information relating to a specific theme, such as the spread of a religion, trade routes, or the industrial growth of a nation.

18 Political Map

19 shows the major boundaries between countries or states.

20 Physical Map

21 shows the major physical features of an area, such as its rivers, mountains, vegetation and elevation.

22 Map

23 a two-dimensional graphic representation of selected parts of the earth’s surface.

24 Geography

25 the study of the Earth's surface and its various climates, countries, peoples, and natural resources.

26 Grid System

27 allows the location of a point on a map to be described in a way that is universally understood. It typically includes coordinates and is often rectangular or square shaped.

28 Latitude

29 the distance in degrees on the earth’s surface north or south of the equator. The equator is 0 degrees.

30 Longitude

31 the distance in degrees on the earth’s surface east and west of the prime meridian.


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