A | B |
cartography | the science of making maps |
conic projection | placing a paper cone over a lighted globe |
countour line | lines used to show elevation |
depression contour | contour lne with short inward lines |
elevation | height above sea level |
geomagnetic pole | the point on the earth just above the imaginary magnets |
gnomonic projection | placing a sheet of paper on one point of a lighted globe |
true north | the direction of geographic north |
index contour | every fifth line on a topography map that i darker in color |
latitutde | the angular distance north or south of the equator |
legend | list of symbols and their meaning |
longitude | the angular distance east or west of the equator measured in degrees |
magnetic declination | the angle between the geographic pole and dthe direction the compass points |
map projection | a flat map that represents the curved surface of a globe |
mean sea level | the midpoint between highes and lowest tide |
mercator projection | wrapping a paper cylinder around the globe |
meridian | set of lines that de4scribe positions east and west on the globe |
parallel | set of lines that describe positions north and south of the equator |
polyconic projection | wrapping a paper cyinder around the globe |
prime meridian | defined by International agreement; 0 degree line that runs north and south |
relief | the difference in elevation from the highest to lowest point on the map |
scale | indicates the relationship between distance on a map and actual distance |
topographic map | map that is useful for identifying relief on a map |
topography | surface features, or change in elevation |
contour interval | the difference in elevation between one contour line and the next |