Special Purpose Map Definition

Rock units or geologic strata are shown by color or symbols. Sometimes this distribution is already familiar to the cartographer, who wants to communicate it to an audience, while at other times the map is created to discover previously unknown patterns (as a form of geovisualization ). Qualitative thematic maps simply show the location or spatial distribution of a phenomenon, while quantitative maps display aspects of numerical data associated with the phenomenon shown.

3 professions that use special purpose maps. • to provide for sites with special natural characteristics that are not provided for in other zones. A political map shows borders, when a physical map shows land cover.

A political map shows borders, when a physical map shows land cover.

• to provide for sites with special natural characteristics that are not provided for in other zones. Qualitative thematic maps simply show the location or spatial distribution of a phenomenon, while quantitative maps display aspects of numerical data associated with the phenomenon shown. These maps are different from the six aforementioned general reference maps because they do not just show features like rivers, cities, political subdivisions, elevation, and highways. Maps showing the location and distribution of a single phenomena/ or feature, or the relationship among several are known as special purpose maps or thematic maps such as engineering maps, economic.