Definition of Authalic. Meaning of Authalic. Synonyms of Authalic

- In cartography, an equivalent, authalic, or equal-area projection is a map projection that preserves relative area measure between any and all map regions...
- Geocentric latitude Parametric (or reduced) latitude Rectifying latitude Authalic latitude Conformal latitude Isometric latitude The definitions given in...
- radius (R1) of three radii measured at two equator points and a pole; the authalic radius, which is the radius of a sphere with the same surface area (R2);...
- In cartography, the quartic authalic projection is an equal-area projection developed by Karl Siemon in 1937 and independently by Oscar S. Adams in 1944...
- maps are also possible using the same method. The name is derived from "authalic" and "graph". The method used to construct the projection ensures that...
- sphere having the same surface area as the Clarke 1866 ellipsoid. The authalic (equal area) radius of the Clarke 1866 ellipsoid is 6,370,997.2 metres...
- orthomorphic) Preserving area (equal-area or equiareal or equivalent or authalic) Preserving distance (equidistant), a trait possible only between one or...
- In differential geometry, an equiareal map, sometimes called an authalic map, is a smooth map from one surface to another that preserves the areas of figures...
- the standard parallels intersect the central meridian. 1937 1944 Quartic authalic Pseudocylindrical Equal-area Karl Siemon Oscar S. Adams Parallels are unequal...
- 1 = ( 2 a + b ) / 3 {\displaystyle R_{1}=(2a+b)/3} = 6 371 008.7714 m; Authalic mean radius = R 2 {\displaystyle R_{2}} = 6 371 007.1809 m; Radius of a...