Ocean chemistry and deep-sea sediments
Ocean chemistry and deep-sea sediments
Ocean chemistry and deep-sea sediments
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The answers are:• The nutrient-poor NADW flowssouthward in the western Atlantic<strong>and</strong> receives a steady rain ofnutrients.• They are sinking from the surfaceto the <strong>deep</strong> ocean where theyconcentrate.• In the south the AAIW <strong>and</strong>AABW contributes more nutrientsto the <strong>deep</strong> water before it flowsinto the Pacific.• Here, <strong>deep</strong>-water is furtherenriched in nutrients. This water isbecoming also one of the oldestwater masses.