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Antarctic bottom water and global ocean circulation

Major deep ocean currents circulate cold Antarctic bottom water (the blue line) out to the rest of the world. This is part of the ocean conveyor belt, moving warm tropical waters (in red) downwards and forcing cold, nutrient-rich waters upwards (in blue) and circulating water around the globe. Temperature and salinity drive these deep currents.
Rights: Jacqui Stuart, Victoria University of Wellington, CC BY-NC-ND 4.0
Published: 14 August 2025Size: 932.03 KB


