How have ocean currents shaped maritime navigation throughout history?
Benjamin Franklin published one of the first maps of the Gulf Stream, giving American ships a two-week speed advantage.
The answer
Understanding ocean currents has been essential to navigation for centuries. Polynesian wayfinders read subtle current patterns to navigate thousands of miles across the Pacific. In 1769, Benjamin Franklin published a chart of the Gulf Stream that allowed ships following its flow to shave two weeks off transatlantic voyages. Matthew Fontaine Maury, the 'father of modern oceanography,' compiled thousands of ships' logs in the 1850s to create the first comprehensive ocean current and wind charts, reducing average sailing times by a third. Today, commercial shipping routes still closely follow favorable currents to reduce fuel consumption, with the Agulhas Current off South Africa and the Kuroshio Current off Japan being particularly significant for global trade.
Source: NOAA History
- ocean currents
- navigation
- Gulf Stream
- maritime history
More from Ocean & Deep Sea
- How much of the ocean has actually been explored?
- What are hydrothermal vents and how do they support life?
- How do whales communicate across entire ocean basins?
- What are brine pools on the ocean floor?
- What is at the very bottom of the Mariana Trench?
- How do ocean currents regulate global climate?