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lecture 2 - -Longitude measures the angular distance east...

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Ch2. Pg 34-42, appendix A Map : a graphic representation of part of the earth’s surface (but we also have maps of the moon’s surface). They are representations of a location or place, they are locational images Elements of a Map - Scale - the ratio between the size of the map and the same item on the earth’s surface, e.g. A map of the world has a smaller scale than a map of the McMaster campus - Projection - The method by which the curved surface of the earth is represented on a flat map(note all map projections result in distortion of the surface - The globe grid - key reference points are North, South poles, and the equator, and the prime meridian - Latitude - measures the distance north of the equator(parallels run east-west)
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Unformatted text preview: -Longitude- measures the angular distance east or west of the prime meridian(run north-south and converge at the poles) How Maps Depict Spatial information-General-purpose/reference/location maps depict human/natural features of a place e.g. road maps-Thematic Maps : depict a specific spatial distribution or a single category of data, e.g. map depicting locations of Canada’s national parks ( pg 37-39, fig. 2.7 has 4 types of thematic maps) How big is the Earth?-1 st person to measure Earth’s circumference-> Eratosthenes, head of the library in Egypt Summary:-Maps are : the basic tool of the geographer, historic documents/records, works of art...
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