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Understanding Ocean Circulation Based on Density Layers

Explore the layered structure of ocean circulation determined by temperature and salinity, from the well-mixed top 100 meters to the homogenous depths below. Learn about key water masses like AABW, NADW, CDW, AAIW, SAMW, AIW, and others. 8

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Understanding Ocean Circulation Based on Density Layers

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  1. The Layered Ocean Ocean Circulation based on Density: Temperature and Salinity

  2. Layering Oceans • The top 100 meters is considered well-mixed • Density increases with depth down to approximately 1000 meters • Below 1000 meters, the ocean is considered homogenous

  3. Water Masses • Common water masses in the world ocean are: Antarctic Bottom Water (AABW), North Atlantic Deep Water (NADW), Circumpolar Deep Water (CDW), Antarctic Intermediate Water (AAIW), Subantarctic Mode Water (SAMW), Arctic Intermediate Water (AIW), the central waters of various oceanic basins, and various surface waters.

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