paleoceanography
noun
- the conditions and processes occurring in oceans in the past; the branch of science that deals with these
Wiktionary
noun
Etymology: Etymology tree Ancient Greek πᾰλαιός (pălaiós)der. English paleo- English oceanography English paleoceanography From paleo- + oceanography.
- The study of the history of the oceans, especially their circulation, chemistry, biogeography, fertility, and sedimentation.