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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]
The average annual temperature in Tetiʻaroa is 26.3 °C (79.3 °F). The average annual rainfall is 1,883.1 mm (74.14 in) with December as the wettest month. The temperatures are highest on average in March, at around 27.3 °C (81.1 °F), and lowest in August, at around 24.9 °C (76.8 °F).
Reo tahiti; Română ... January February March April May June July August September October November December December 27.0 °C: 27.1 °C: 27.4 °C:
November to April is the wet season, the wettest month of which is January with 340 millimetres (13 in) of rain in Papeʻete. August is the driest with 48 millimetres (1.9 in). [12] The average temperature ranges between 21 and 31 °C (70 and 88 °F), with little seasonal variation.
A wet-bulb temperature at 500 hPa in a tropical atmosphere of −13.2 °C (8.2 °F) is required to initiate convection if the water temperature is 26.5 °C (79.7 °F), and this temperature requirement increases or decreases proportionally by 1 °C in the sea surface temperature for each 1 °C change at 500 hpa.
For example, rising water temperatures are harming tropical coral reefs. The direct effect is coral bleaching on these reefs, because they are sensitive to even minor temperature changes. So a small increase in water temperature could have a significant impact in these environments. Another example is loss of sea ice habitats due to warming.
Surface water temperatures in the Pacific can vary from −1.4 °C (29.5 °F), the freezing point of seawater, in the poleward areas to about 30 °C (86 °F) near the equator. [69] Salinity also varies latitudinally, reaching a maximum of 37 parts per thousand in the southeastern area. The water near the equator, which can have a salinity as ...
An especially strong Walker circulation causes La Niña, which is considered to be the cold oceanic and positive atmospheric phase of the broader El Niño–Southern Oscillation (ENSO) weather phenomenon, as well as the opposite of El Niño weather pattern, [19] where sea surface temperature across the eastern equatorial part of the central ...