The Challenger Expedition History HomePolynesian SeafarersMediterranean SeaAge of DiscoveryGulf StreamVoyage of the BeagleChallenger ExpeditionMapping CurrentsSonarSeafloor SpreadingOcean Drilling21st Century Modern oceanography began with the Challenger Expedition between 1872 and 1876. It was the first expedition organized specifically to gather data on a wide range of ocean features, including ocean temperatures seawater chemistry, currents, marine life, and … Continue reading The Challenger Expedition