A looped visualization of all the voyages in the Climatological database for the world's oceans (http://www.ucm.es/info/cliwoc/) as if they occurred in the same year, to show seasonal patterns in ship movements and predominant shipping lanes from…
Visualization of 18th and 19th-century shipping routes. More info and discussion of the underlying data at http://sappingattention.blogspot.com/2012/04/visualizing-ocean-shipping.html. This uses ship's logbooks from http://www.ucm.es/info/cliwoc/…