Sources of the deep water masses in the northern Red Sea
1998
Said, M.A.
The hydrographic structure of the northern Red Sea indicated that, the surfacewaters of temperature around 22°C, salinity of 40.1OO%o and dt = 28.1 might sink to depths between 400-500 m by convective overturn, contributing to the formation of the mid-deep Red Sea waters. Below the 500 db depth down to the bottom the water column is stable. The geostrophiccirculation clearly indicated an inflow of water from the Red Sea towards NNW, along the main axis of the sea. Arriving at the northern edge of the sea, it sends a branch in the Gulf of Aqaba, turns to the west, and sends another branch to the Gulf of Suez, but its main mass reaches the African coast where it sets southward along this coast. A large cyclonic gyre centered near 27 deg 30'N and 34 deg l0'E is detected at the head of the Red Sea deep waters. The effect of the outflow of the bottom water of the Gulf of Suez on the formation of the deep water of the Red Sea is limited.
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