On the speed of ships

The graph shows annual median speed of ships from 1750 to 2014. It is based on historical location data from 617,754 vessels in the ICOADS dataset. Ship speeds increased by 0.2kn/decade up…

Sea temperatures from HMS Beagle

  The graph shows a comparison between modern sea surface temperatures (SST) and temperatures measured during the 1831-1836 voyage of Captain Fitzroy and Charles Darwin on HMS Beagle. Data collected by the…