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CH1, S2: The Geographer’s Tools

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Presentation on theme: "CH1, S2: The Geographer’s Tools"— Presentation transcript:

1 CH1, S2: The Geographer’s Tools
*Eratosthenes- earliest geographer to calculate the circumference on the earth

2 A. Maps and Globes 1. Globe- 3 dimensional representation of the earth

3 2. Maps- 2 dimensional representations of selected parts of the earth’s surface
a. maps’ functions: show locations of places, landforms & bodies of water & their relations to other places in the world b. easily portable & can be drawn to any scale needed

4 3. cartographer: mapmaker
4. map projection- way of drawing the earth’s surface that reduces distortion caused by putting a round earth on flat paper

5 5. Types of Maps b. political- show features on the earth’s surface created by humans (ex. cities, states, territories, provinces, countries) a. physical- landforms & bodies of water found in a specific area

6 c. Thematic or special purpose maps - focus on specific types of information (ex. climate, vegetation, natural resources, economic activities) d. flow-line- shows movement of people, goods, ideas, animals, etc.

7 Special Purpose Map Example: Climograph
What is the weather like in July?

8 6. Items found on a map: a. title- explains subject of map
b. compass rose- show direction (north, east, south, and west) c. labels/words- explains the features on the map d. legend/key- lists & explains symbols & colors on a map e. lines of latitude and longitude f. scale- unit of length on a map & a unit of distance on the earth g. symbols- cities, natural resources h. colors

9 Label water in Blue Ink and use Black Ink for everything else on your map.
Use a dot for cities. Use a star for capitals. In a political map, alternate shading of the countries so that no one country of the same color borders each other. LCHS RCaulder


11 Mountain Peak in a solid Brown Mountain Range outline in Brown
Coloring a Map Mountain Peak in a solid Brown Mountain Range outline in Brown Plains, valleys, peninsulas, forests are colored Green Deserts are Yellow with black dots Water is Blue and can only be used for water LCHS RCaulder


13 B. Mapmaking 1. Geographers complete a field survey before making a map a. observes, measure, & record what they see in an area b. done by aerial photography or satellites

14 2. Well known satellites a. Landsat- satellites that orbit more than 100 miles above the Earth (scans the earth in 16 days)

15 b. Geostationary Operational
b. Geostationary Operational Environmental Satellite (GOES) - goes in orbit with the earth’s rotation used to help forecast the weather

16 3. Geographic Information System (GIS) -
3. Geographic Information System (GIS) - stores information about the earth in a digital database 4. GPS (Global Positioning System) - exact position of (latitude, longitude, altitude, time) a location displayed on a hand held receiver

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