Flow map

Flow maps in cartography are a mix of maps and flow charts, that "show the movement of objects from one location to another, such as the number of people in a migration, the amount of goods being traded, or the number of packets in a network".

Flow maps according to Harris (1999) "can be used to show movement of almost anything, including tangible things such as people, products, natural resources, weather, etc, as well as intangible things such as know-how, talent, credit of goodwill". Flow maps can indicate things like:

In contrast to route maps, flow maps show little aside from the paths from one point to another.

Beside the flow maps in cartography there are several other kind of flow maps:

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