Lab 1 - Map Types and Video Link

A choropleth map contains sections that are colored, patterned, or shaded differently to symbolize statistical values.

A dot density map uses the dot symbol to represent the presence of a certain feature across an area. The greater the dot density, the more prevalent the feature.

A proportional symbol map contains a symbol whose size represents the presence of a feature. Usually, the larger the symbol, the more prevalent the feature.

An isopleth map can be identified by contour lines that represent certain values. An area between two contour lines of the values 70 and 80 contain between 70 and 80 of the specified feature.

An environmental sensitivity map utilizes symbols to identify areas of land that provide shelter to different species or that are prone to certain weather patterns.

Animation of Hurricane Isaac's Movement