Question

There is higher salinity in the northern red sea while lower in the southern give reason

Answer 1

The Red Sea (also the Erythraean Sea) is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. To the north lie the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez (leading to the Suez Canal). The Red Sea is a Global 200ecoregion. The sea is underlain by the Red Sea Rift which is part of the Great Rift Valley.

Red SeaCoordinates22°N 38°EPrimary inflowsBarka River, Haddas River, Anseba River, Wadi GasusPrimary outflowsBab el MandebMax. length2,250 km (1,400 mi)Max. width355 km (221 mi)Surface area438,000 km2 (169,000 sq mi)Average depth490 m (1,610 ft)Max. depth3,040 m (9,970 ft)Water volume233,000 km3 (56,000 cu mi)

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This video over the south-eastern Mediterranean Seaand down the coastline of the Red Sea was taken by the crew of Expedition 29 on board the International Space Station.

The Red Sea has a surface area of roughly 438,000 km2 (169,100 mi2),[1][2] is about 2250 km (1398 mi) long and, at its widest point, 355 km (220.6 mi) wide. It has a maximum depth of 3,040 m (9,970 ft) in the central Suakin Trough,[3] and an average depth of 490 m (1,608 ft). However, there are also extensive shallow shelves, noted for their marine life and corals. The sea is the habitat of over 1,000 invertebrate species, and 200 soft and hard corals. It is the world's northernmost tropical sea.

Answer 2

Red Sea in an inlet part of an Indian ocean which is located between the Northeast Africa and Arabian Peninsula. It is competitively a narrow, elongated Sea. The southern end of the sea is towards the Indian ocean while the northern is as good as a landlocked sea. Salinity and temperature currents of Indian Ocean largely influence and control the salinity and temperature of Southern end. Currents do not affect much on Northern side of the Red Sea. Besides, this part is surrounded by Sahara and Arabian desert. High and more evaporation have resulted in high salinity of the northern part of Red Sea.