What type of projection is Albers equal-area?
equal area conic projection
Description. The Albers projection is an equal area conic projection. It uses two standard parallels to reduce some of the distortion found in a projection with only one standard parallel. The projection is best suited for land masses extending in an east-to-west orientation at mid-latitudes.
What projections use formulas?
A map projection uses mathematical formulas to relate spherical coordinates on the globe to flat, planar coordinates. Different projections cause different types of distortions. Some projections are designed to minimize the distortion of one or two of the data’s characteristics.
What does Albers Equal Area Conic distort?
An Albers projection shows areas accurately, but distorts shapes. The Albers equal-area conic projection, is a map projection that uses two standard parallels to reduce some of the distortion of a projection with one standard parallel.
What are major differences between Albers equal area conic projection and Lambert Conformal Conic projection?
As you might suppose, the Albers Equal Area Conic projection is a conic projection that maintains accurate area measurements. It differs from the Lambert Conformal Conic projection in preserving area rather than shape and in representing both poles as arcs rather than one pole as a single point.
What are the standard parallels for the North America Albers Equal Area Conic?
Uses and applications Used for the conterminous United States, normally using 29°30′ and 45°30′ as the two standard parallels.
Is UTM an equal-area projection?
The area distortion is more in conformal maps (TM, UTM) compared to equal-area maps. Therefore, the transformation to equal-area projection is performed in applications in which area data is important [3-5].
Is Mercator equal-area projection?
Because of great land area distortions, some consider the projection unsuitable for general world maps. Therefore, Mercator himself used the equal-area sinusoidal projection to show relative areas. The Mercator projection is still commonly used for areas near the equator, however, where distortion is minimal.
What is Gnomonic projection?
Gnomonic is an azimuthal projection that uses the center of the earth as its perspective point. It projects great circles as straight lines, regardless of the aspect. The projection is not conformal nor is it equal-area.