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The rate of the temperature increase varies seasonally, with average daily maximum temperatures for July recently increasing at a rate of 2.6 °C per 100 years. [15] Global temperature rise of 2 °C above preindustrial levels can increase the likelihood of extreme hurricane rainfall by four to five times in the Bahamas.
The ocean temperature plays a crucial role in the global climate system, ocean currents and for marine habitats. It varies depending on depth, geographical location and season. Not only does the temperature differ in seawater, so does the salinity. Warm surface water is generally saltier than the cooler deep or polar waters. [1]
An increase in surface temperature has also been suggested to affect the coral reefs. In 2005 in the Caribbean, a rise in the sea surface temperature is thought to have caused widespread coral bleaching. In the study, the authors reported that the increase in sea surface temperature was due to natural climate variability or human activity.
It exchanges heat, water and carbon with the atmosphere, helping to control our weather in Europe and marine ecosystems. Climate change is causing the planet to warm.
Annual variations in monthly average water temperatures at the surface do not exceed 3 °C (5.4 °F). In the past 50 years, the Caribbean has gone through three stages: cooling until 1974, a cold phase with peaks during 1974–1976 and 1984–1986, and, finally, a warming phase with an increase in temperature of 0.6 °C (1.1 °F) per year.
The island has a tropical climate with only two seasons, summer (May–November) and winter (December–April). Midsummer temperatures range from 27–29 °C (81–84 °F) with a relative humidity of 60 to 100 percent. Winter temperatures range from 21–24 °C (70–75 °F) and can drop to 5 °C (41 °F) after dark.
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The Antilles Current originates south of the Bahamas, Puerto Rico, and Cuba and moves northward where it merges with the Gulf Stream. [9] [10] This current cools the waters around San Salvador in the summer and warms the water around the island in the winter. This keeps the water temperature relatively mild and consistent throughout the year. [7]