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Name Sinusoidal
Model Pseudo-Cylinder
Type Equal Area
Meridians Sinusoidal curves, concave toward a straight central meridian
Parallels Straight parallel lines
Spacing Meridian Equal and decreases toward the poles
Spacing Parallels Equal
Linear Scale True on the parallels and central meridian
Specialties Based on a cylinder tangent at the equator

Interruptions are a result of more than one cylinder being applied.

A seven zone sinusoidal projection has seven cylinder definitions

Uses Allows a world scale map to avoid extreme exaggeration at the poles when used as a multi-zone projection