Promis.e Help

Albers Equal-Area Conic

Name Albers Equal-Area Conic
Model Conic
Type Equal Area
Meridians Straight lines converging on the polar axis (but not on pole)
Parallels Arcs of concentric circles concave toward a pole
Spacing Meridian Equal on the standard parallels

Decreases towards the poles

Intersect parallels at right angles

Symmetrical graticule

Spacing Parallels Decreases away from the standard parallels

Increases between standard parallels

Linear Scale True on standard parallels

1.25% maximum scale error on U.S. (29.25N & 45.5N)

Specialties May have 1 or two standard parallels

No deformation of area

Individual sheets can be joined at the edges

Uses Area of interest has a predominantly East-West extent

Large countries with East-West extents