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Flashcards in Chapter 3 Map projections Deck (6)
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Map projection

The transformation of latitudes and longitudes of points on a sphere onto a plane.


Latitude lines

- Are equi-angular
- The EQUATOR is a latitude line


Longitude lines

- Are equi-angular but NOT equidistant
- The PRIME Meridian is a longitude line


Great circle

a line on the surface of a sphere that is defined by the intersection of a sphere and a plane such that the plane cuts through the center of a sphere. Longitudinal lines are great circles.


Small circle

A circle that lies on a sphere. Latitudinal lines are small circles with the exception of the Equator which is a Great Circle.



Meridians are equally spaced lines that run north to south