There are many explanations about the origin of this name. Some people say that there are many colorful shells in the Red Sea, which makes the water dark red. Some people think that there are a lot of yellow, yellow and red coral sand in the shallow sea near the Red Sea, which makes the sea water red. Others say that the Red Sea is the hottest sea in the world, which is suitable for biological reproduction. Therefore, a large number of red algae breed in the surface seawater, making the seawater reddish, hence the name Red Sea.
Extended data
The Red Sea is located in the control range of the Tropic of Cancer high pressure belt, and its ventral back is influenced by the tropical desert climate of North Africa and Arabian Peninsula, and the east and west sides are sandwiched by tropical deserts. The climate is dry and hot all year round, with scarce precipitation, dust and high water temperature.
Controlled by subtropical high and trade winds, the annual temperature is high. The climate of the Red Sea consists of two monsoon seasons, the northeast monsoon and the southwest monsoon. Monsoon is caused by the temperature difference between land and sea.
There is little precipitation, but the evaporation is very large, the salinity is 4. 1%, and the annual evaporation is 2000 mm, which exceeds the precipitation and is injected by rivers on both sides of the river in unpredictable years. The surface water temperature exceeds 30℃ in summer. In summer, the average surface temperature is 26℃ in the north and 30℃ in the south, and the total average temperature is 22℃. The rainfall in the Red Sea and its surrounding areas is very low, only 30mm per year.
It usually rains in the form of thunderstorms and sandstorms. Low rainfall and lack of fresh water injection result in a net evaporation of 2050 mm per year and high salinity. The sea water is mostly blue-green, and some areas are reddish brown because of the lush red algae, hence the name of the Red Sea.
Baidu Encyclopedia-Red Sea