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Diapycnal Mixing And Mass Transfer In Western Boundary Currents, Jose Luis Pelegri Llopart
Diapycnal Mixing And Mass Transfer In Western Boundary Currents, Jose Luis Pelegri Llopart
OES Theses and Dissertations
The distribution of nutrient flux in five sections across the Gulf Stream (from the Florida Straits of 35°W) is characterized by an intense core, centered at the depth of the 26.8 σt isopycnal surface. This 'Nutrient Stream' transports nutrients of O(103 kmol s-1} of nitrate and proportional amounts of other nutrients. Water mass and nutrient balances of nine isopycnal layers reveal significant diapycnal mixing between upper-thermocline and surface waters in the sector of the Stream between the Florida Straits and the Mid-Atlantic Bight. A two-box model of the nutrient-depleted surface layers (σt < 26.8) and the nutrient-rich thermocline layers (26.8< σt < 27.5) shows upward one-way transfer and two-way exchange, both at a a rate at about 1.m2s …