Port of Lisbon in the north margin of the River Tagus. In 205 BC, the city (known as "Olissippo") was conquered by the Romans. In the 5th Century the Suebi conquered the area, followed by the Visigoths. In AD 714, the Moors conquered Lisbon, expanding the port with their Mediterranean and Atlantic trades. Port of Lisbon The Port of Lisbon (Portuguese: "Porto de Lisboa") is the third largest port in Portugal, located where the River Tagus and the Atlantic Ocean meet, in the Portuguese capital of Lisbon. Due to its strategic location on the Portuguese coast between Europe, Africa, and the Atlantic, the
Atlantic Ocean variability. It is governed by ocean currents from marginal seas and regional topography, rather than being steered by wind, both in the deep ocean and at sea level. The subpolar gyre forms an important part of the global thermohaline circulation. Its eastern portion includes eddying branches of the North Atlantic Current which transport warm, saline waters from the subtropics to the north-eastern Atlantic. There this water is cooled during winter and forms return currents that merge along the eastern continental slope of Greenland where they form an intense (40–50 Sv) current which flows around the continental margins of the Labrador