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This map shows the pattern of thermohaline circulation. This collection of currents is responsible for the large-scale exchange of water masses in the ocean, including providing oxygen to the deep ocean. The entire circulation pattern takes ~2000 years.
Subject: Geoscience:Oceanography:Ocean-Climate Interactions, Environmental Science:Global Change and Climate, Geoscience:Atmospheric Science:Climatology , Geoscience:Oceanography, Atmospheric Science:Climatology :Atmospheric and oceanic circulation Grade Level: High School (9-12), Middle (6-8) Theme: Teach the Earth:Course Topics:Environmental Science, Oceanography, Atmospheric Science, Teach the Earth:Incorporating Societal Issues:Climate Change