Sinusoidal

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

Example