Mapping The Transatlantic Slave Ships

Earlier this yr Professor Adam Rothman  and Matt Burdumy of Georgetown University created a serial of heat-maps using information from the Transatlantic Slave Trade Database to visualize 35,000 slaving voyages (from 1500 to 1870).

Their visualization of the Transatlantic Slave Trade Database consists of 3 animated heat-maps showing the cumulative frequency of slave send points of departure, the primary ports where slaves were purchased as well as the primary ports where the slaves were sold.

During the animation on each map a cumulative heat-map appears, revealing the designing of slave voyages over time. For example, the map of slave voyage departures reveals how Portugal as well as Spain's early on authorisation of the transatlantic slave merchandise was speedily overtaken past times the emergence of British slave traders.


Slate has at ane time likewise created a mapped visualization of the Transatlantic Slave Trade Database. Slate's Atlantic Slave Trade inward Two Minutes animates the actual journeys of the slave send journeys over 315 years.

The map visualizes the scale of the transatlantic slave merchandise over the centuries. It likewise reveals the patterns of the merchandise routes used as well as the destinations of the slave ships. The size of the ships on the map are scaled to correspond the publish of slaves on board. You tin likewise click on each send to honor out which country's flag it sailed nether as well as to a greater extent than nigh its live on inward the slave trade.