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An oceanographic
Oceanography

Oceanography , also called oceanology or marine science, is the branch of Earth science that studies the ocean. It covers a wide range of topics, including marine organisms and ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics; plate tectonics and the geology of the sea floor; and fluxes of various chemi...
 water mass is an identifiable body of water
Water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam....
 which has physical properties distinct from surrounding water. Properties include temperature
Temperature

In physics, temperature is a physical property of a Physical system that underlies the common notions of hot and cold; something that feels hotter generally has the greater temperature....
, salinity
Salinity

Salinity is the saltiness or dissolved salt content of a body of water. Salinity in Australian English and North American English may also refer to the salt in soil ....
, chemical - isotopic
Isotope

Isotopes are any of the different types of atoms of the same chemical element, each having a different atomic mass . Isotopes of an element have atomic nucleus with the same number of protons but different numbers of neutron....
 ratios, and other physical quantities.

Common water masses in the world ocean are: Antarctic Bottom Water
Antarctic Bottom Water

The Antarctic Bottom Water is a type of water mass in the Southern Ocean surrounding Antarctica with temperatures ranging from 0 to -0.8? C, salinity from 34.6 to 34.7 PSU, and a density near 27.88....
 (AABW), North Atlantic Deep Water
North Atlantic Deep Water

North Atlantic Deep Water is a water mass that forms in the North Atlantic Ocean. It is largely formed in the Labrador Sea and in the Greenland Sea by the sinking of highly saline, dense overflow water from the Greenland Sea....
 (NADW), Circumpolar Deep Water (CDW), Antarctic Intermediate Water (AAIW), Subantarctic Mode Water
Subantarctic Mode Water

Subantarctic mode water is an important water mass in the earth's oceans. It is formed near the Subantarctic Front on the northern flank of the Antarctic Circumpolar Current....
 (SAMW), Arctic Intermediate Water (AIW), the central waters of various oceanic basin
Oceanic basin

Hydrologically, an oceanic basin may be anywhere on Earth that is covered by seawater, but geologically ocean basins are large Basin that are below sea level....
s, and various surface waters.








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Antarctic Bottom Water Hg
An oceanographic
Oceanography

Oceanography , also called oceanology or marine science, is the branch of Earth science that studies the ocean. It covers a wide range of topics, including marine organisms and ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics; plate tectonics and the geology of the sea floor; and fluxes of various chemi...
 water mass is an identifiable body of water
Water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam....
 which has physical properties distinct from surrounding water. Properties include temperature
Temperature

In physics, temperature is a physical property of a Physical system that underlies the common notions of hot and cold; something that feels hotter generally has the greater temperature....
, salinity
Salinity

Salinity is the saltiness or dissolved salt content of a body of water. Salinity in Australian English and North American English may also refer to the salt in soil ....
, chemical - isotopic
Isotope

Isotopes are any of the different types of atoms of the same chemical element, each having a different atomic mass . Isotopes of an element have atomic nucleus with the same number of protons but different numbers of neutron....
 ratios, and other physical quantities.

Common water masses in the world ocean are: Antarctic Bottom Water
Antarctic Bottom Water

The Antarctic Bottom Water is a type of water mass in the Southern Ocean surrounding Antarctica with temperatures ranging from 0 to -0.8? C, salinity from 34.6 to 34.7 PSU, and a density near 27.88....
 (AABW), North Atlantic Deep Water
North Atlantic Deep Water

North Atlantic Deep Water is a water mass that forms in the North Atlantic Ocean. It is largely formed in the Labrador Sea and in the Greenland Sea by the sinking of highly saline, dense overflow water from the Greenland Sea....
 (NADW), Circumpolar Deep Water (CDW), Antarctic Intermediate Water (AAIW), Subantarctic Mode Water
Subantarctic Mode Water

Subantarctic mode water is an important water mass in the earth's oceans. It is formed near the Subantarctic Front on the northern flank of the Antarctic Circumpolar Current....
 (SAMW), Arctic Intermediate Water (AIW), the central waters of various oceanic basin
Oceanic basin

Hydrologically, an oceanic basin may be anywhere on Earth that is covered by seawater, but geologically ocean basins are large Basin that are below sea level....
s, and various surface waters.

See also

  • Ocean current
    Ocean current

    An ocean current is continuous, directed movement of ocean water. The currents are generated from the forces acting upon the water like the Earth's rotation, the wind, the temperature, salinity differences and the tide....