text: Bryan and Cox conducted influential work in modeling these things.
full_question: Bryan and Cox conducted influential work in modeling these things. A ground-breaking experiment that studied these things was the TOPEX satellite. Walter Munk's influential circulation model for these things built on the work of Sverdrup. Transgression and regression are eustatic changes for these structures. Curtis Ebbesmeyer, who studies these structures, found that a collection of (*) garbage moves in accordance with their gyres. Fridtjof Nansen discovered that wind stress on these things creates an Ekman spiral. Density gradients in these things are driven by the thermohaline circulation. The bottom of these things is bounded by the abyssal plain. For 10 points, name these bodies of water that include the Atlantic and Pacific.
first_sentence: Bryan and Cox conducted influential work in modeling these things.
raw_answer: oceans [or seas; do not accept "lakes"] 