Thursday, July 31, 2025

Pacific Ocean


Made in 1529, the Diogo Ribeiro map was the first to show the Pacific at about its proper size

Tuesday, July 29, 2025

Atlantic Ocean


In the subpolar gyre of the North Atlantic warm subtropical waters are transformed into colder subpolar and polar waters. In the Labrador Sea this water flows back to the subtropical gyre.

Sunday, July 27, 2025

Arctic Ocean


The Arctic Ocean, with borders as delineated by the International Hydrographic Organization (IHO), including Hudson Bay (some of which is south of 57°N latitude, off the map) and all other marginal seas.

Wednesday, July 23, 2025