Authalic projections are also known as equal-area maps, which means they preserve the area of different regions. Other synonyms for authalic projections include "equal spaced" or "compromise" projections. These types of projections are used in fields like geography and cartography and are created by projecting the surface of the globe onto a two-dimensional map. Different types of authalic projections include Lambert Azimuthal, Albers Equal-Area Conic, and Hammer-Aitoff. The main advantage of using authalic projections is that they help in the accurate representation of spatial patterns and distributions. They are also used extensively in research on climate change, environmental studies, and risk analysis in various regions around the world.