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24 Cards in this Set
- Front
- Back
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parallels
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circles that run east and west around the equator
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latitude
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angular distancenorth and south of the equator
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meridians
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used to establish east and west locations
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prime meridian
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the meridian that is 0 degrees and passes through greenwich england
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longitude
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angulara distance measured in degrees east or west of the prime meridian
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geomagnetic poles
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points on the earths surface just above the poles of the imaginary magnet
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magnetic declination
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angle between the direction of the geographic pole and the direction in which the compass needle points
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true north
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direction of the geographic north pole
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cartography
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the study of map making
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map projection
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a flat map that represents the three dimensional curved surface of a globe
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mercator
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good at the equator,
meridians shown as straight lines, shapes and oceans shown well |
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gnomic
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little distortion is at the point of contact,
used well for air travels |
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conic
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areas near the parallel of latitude where the cone and globe are in contact are distorted the least
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polyconic
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fitting more than one conic projection together
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legend
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list of symbols and their meanings
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scale
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indicates a relationship between distance on themap and the actual distance
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topographic map
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useful in earth science, they show surface features
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topography
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surface features
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elevation
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height above sea level
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mean sea level
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point midway between the highest and lowest tide levels of the ocean
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contour interval
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differnece in elevation between one contour line and the next
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relief
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differnece in elevation between highest and lowest point that are being mapped
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index contours
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every fifth contour line that is bolded
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depression contour
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lines that are drawn along side a loop to show it is a depression
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