Quartic authalic projection of the world. 15° graticule.

In cartography, the quartic authalic projection is an equal-area projection developed by Karl Siemon in 1937 and independently by O.S. Adams in 1944.[1] The meridians in this projection are fourth-order polynomial curves.[2] The projection is similar to the sinusoidal projection in appearance and distortion properties.

References

  1. ↑ "Map Projections: Pseudocylindrical Projections". Carlos Furuti. 20 January 2014. Archived from the original on 2015-12-13. Retrieved 5 May 2020.
  2. ↑ "Quartic Authalic Projection". Retrieved 7 June 2016.
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