Description
General cylindric equal-area projection.
Classifications
cylindric
equal-area
Graticule
Meridians: Straight, evenly spaced.
Parallels: Straight, with variable spacing.
Scale
Correct along one parallel and the parallel of opposite sign; constant along each parallel.
Distortion
Free of distortion along one parallel and the parallel of opposite sign.
Similar projections
This is the base projection for many specializations.
Origin
Johann Heinrich Lambert proposed the first form of the projection in 1772, using 0° as the standard parallel. No one is credited with the generalized form, though Lambert surely recognized the possibility.