Significant contributions to oceanographic knowledge were made by the voyages of the HMS Beagle in the 1830s, with Charles Darwin aboard; the HMS Challenger during the 1870s; the U.S.S. Tuscarora (1873-76); and the German Gazelle (1874-1876).
Dagiti adu a kontribusion ti oseanograpiko a pannakaammo ket naaramid kadagitoy a panagbanniaga ti HMS Beagle kadagiti tawen ti 1830, a nakalugan ni Charles Darwin; ti HMS Challenger idi las-ud dagiti tawen ti 1870; ti USS Tuscarora (1873–76); ken ti Aleman a Gazelle (1874–76).