100 Years of ships

Source: http://www.youtube.com/watch?v=tnqxrcfUMsw

Description:

Visualization of 18th and 19th-century shipping routes. More info and discussion of the underlying data at http://sappingattention.blogspot.com/201 2/04/visualizing-ocean-shipping.html. This uses ship's logbooks from http://www.ucm.es/info/cliwoc/ digitized for climate purposes.