Question

Define oceanography and discuss its development in india

Answer 1

Oceanography (compound of the Greek words ὠκεανός meaning "ocean" and γράφω meaning "write"), also known as oceanology, is the study of the physical and biological aspects of the ocean. It is an Earth sciencecovering a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics; plate tectonics and the geology of the sea floor; and fluxes of various chemical substances and physical properties within the ocean and across its boundaries. These diverse topics reflect multiple disciplines that oceanographers blend to further knowledge of the world ocean and understanding of processes within: astronomy, biology, chemistry, climatology, geography, geology, hydrology, meteorology and physics. Paleoceanography studies the history of the oceans in the geologic past.

Answer 2

Did you know that phytoplankton, sea weeds, and other sea plants living in the ocean produce about 50% of the oxygen we breathe? Through oceanography, we've learned some amazing facts about the ocean, though there are still many questions to answer, like how many species of plants and animals actually exist in the world's oceans. Oceanography is the study of the world's oceans, including aspects of its biology, chemistry, physics, geology, and meteorology, among many others.

For example, chemical oceanographers study the composition of seawater and the chemical interaction of seawater with the atmosphere and sea floor. Biological oceanographers study plants and animals in the marine environment. Geological oceanographers explore the ocean floor and the processes that form its mountains, canyons, and valleys. Physical oceanographers study the physical processes in the ocean, including waves, tides, currents, eddies, and the interactions with the atmosphere. In fact, ocean scientists and their tools have advanced so much that they can even measure the temperature, depth, and salinity of the oceans from space using satellites!