Oceanography is the study of the ocean and its related phenomena. It is a broad field, encompassing the physical, chemical, geological, and biological aspects of the ocean. Oceanographers study the ocean floor, its sediments, ocean currents, and the ocean's role in the global climate system. Areas of study include the ocean's geology and chemistry, marine ecology, and the behavior of oceanic organisms. Oceanographers also study the effects of human activities on the ocean environment, such as pollution, overfishing, and climate change.
Oceanography is a multidisciplinary field that draws on the knowledge and expertise of scientists from many different backgrounds, including geology, chemistry, physics, Biology, and ecology.