Understanding Map Projections
Understanding Map Projections
Understanding Map Projections
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ECKERT V<br />
USES AND APPLICATIONS<br />
Suitable for thematic mapping of the world.<br />
The central meridian is 89° E.<br />
DESCRIPTION<br />
This pseudocylindrical projection is used primarily<br />
for world maps.<br />
PROJECTION METHOD<br />
A pseudocylindrical projection.<br />
LINEAR GRATICULES<br />
Parallels are equally spaced straight lines. Meridians<br />
are equally spaced sinusoidal curves. The poles and<br />
the central meridian are straight lines half as long as<br />
the equator.<br />
PROPERTIES<br />
Shape<br />
This stretching decreases to zero at 37°55' N and S.<br />
Nearer the poles, features are compressed in the<br />
north–south direction.<br />
Area<br />
Area isn’t preserved.<br />
Direction<br />
The equator doesn’t have any angular distortion.<br />
Direction is distorted elsewhere.<br />
Distance<br />
Scale is correct only along 37°55' N and S. Nearer the<br />
poles, features are compressed in the north–south<br />
direction.<br />
LIMITATIONS<br />
Useful only as a world map.<br />
Supported map projections• 51