- a map is a tool that provided how to get from point A and point B and what will be in you path(geographically)
- scientific method of transferring locations on earth's surface to a flat map is called projection
- four types of distortion
- shape of an area can be distorted
- distance between points may become increased or decreased
- relative size of different areas can be altered
- direction between points can be distorted
- geographic grid is a system of imaginary arcs drawn in a grid pattern on earth's surface
- meridians are arcs drawn between north and south poles, each is a number known as longitude
- parallel are arcs drawn parallel to the equator and are right angels to meridians, each number is known as latitude
- points on earth's surface can be communicated by referencing points of latitude and longitude intersection
- further accuracy can be achieved by dividing each degree into 60 minutes and minutes in 60 seconds
- earth as a sphere is divided into 360 of longitude
- GMT(Greenwich mean time) is located at the prime meridian
Tuesday, September 25, 2018
Map Notes Part 2
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