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Oxygen minimum zones are increasing in size worldwide. [5]: 471 These changes harm marine ecosystems, and this can lead to biodiversity loss or changes in species distribution. [2] This in turn can affect fishing and coastal tourism. For example, rising water temperatures are harming tropical coral reefs.
Graph showing ocean temperature versus depth on the vertical axis. The graph shows several thermoclines (or thermal layers) based on seasons and latitude. The temperature at zero depth is the sea surface temperature. The ocean temperature plays a crucial role in the global climate system, ocean currents and for marine habitats.
By the end of the 21st century, temperatures may increase to a level last seen in the mid-Pliocene. This was around 3 million years ago. [28]: 322 At that time, mean global temperatures were about 2–4 °C (3.6–7.2 °F) warmer than pre-industrial temperatures. The global mean sea level was up to 25 metres (82 ft) higher than it is today.
Because our oceans absorb the majority of the planet's heat, global sea temperatures reached record highs for the first half of 2024 and remained well above average for the rest of the year.
A bleached coral is not dead, but ocean temperatures need to cool off for any hope of recovery. At least 14% of the world’s remaining corals were estimated to have died in the previous two ...
Average air temperatures are roughly 1.8 F higher today than they were from 1979-2000, but water has a greater capacity to absorb and store heat — the ocean has absorbed about 90% of the heat ...
The initial concept of visualizing historical temperature data has been extended to involve animation, [10] to visualize sea level rise [11] and predictive climate data, [12] and to visually juxtapose temperature trends with other data such as atmospheric CO 2 concentration, [13] global glacier retreat, [14] precipitation, [4] progression of ...
The temperature of the planet’s oceans rose to new heights this week, setting a new record with no sign of cooling down. Global ocean temperatures soared to the highest level on record this week ...