Eckert II

Producer Field Guide

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Producer Field Guide
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Producer

The break at the Equator creates a great amount of distortion there. Eckert II is similar to the Eckert I projection. The Eckert I projection has meridians positioned identically to Eckert II, but the Eckert I projection has equidistant parallels.

Construction

Pseudocylinder

Property

Equal-area

Meridians

Meridians are straight lines that are equally spaced and broken at the Equator. Central meridian is one half as long as the Equator.

Parallels

Parallels are straight parallel lines that are unequally spaced. The greatest separation is close to the Equator. Parallels are perpendicular to the central meridian.

Graticule spacing

See Meridians and Parallels. Pole lines are half the length of the Equator. Symmetry exists at the central meridian or the Equator.

Linear scale

Scale is true along altitudes 55° 10’ N, and S. Scale is constant along any latitude.

Uses

To show straight-line equal-area graticule.

Source: Snyder and Voxland, 1989

Eckert II Projection

map_projection_eckert_2

Source: Snyder and Voxland, 1989