He Global warming Since 1940 has three times the sea thermal waves have been raised. National Center for Atmospheric Science Reading University, IN IN Royalty.
In a statement, the Balleric Islands University announced that it was an important decision from the investigation. Intense heat days in the sea are multiplied by three Since 1940 for global warming. A effect is mainly caused by human activity, without which almost half of these extreme chapters may not occur.
“Sea thermal waves are prolonged times of high temperatures on the surface of the ocean, ie affected the water of the British islands and Ground sea 2023 in the summer. These events have important effects on marine life, for example, infecting corals and marine meadows, ”says the professor of the UIFP’s Physics Department and a prominent writer of the study. Marta Margos.
More frequently, more intense and durable
Throughout the last decades, the scientific community has found it FrequencyThe Severity And Drucian It has increased in sea heat waves. Counts the challenge contribution Climatic change It is caused by human activity to look at sea thermal waves.
To do this, researchers have developed a backward model of the world -wide ocean temperature since 1940. This model eliminates global warming trends, shows a constant climate and allows this data to be compared to the trends found for more than eight decades. Everything, with the intention of measuring Contribution of climate change For sea heat waves.
According to the data of this model, 47% of the sea thermal waves that occurred between 2000 and 2020 may not qualify Extreme events If this is not the effect of global warming. In addition, warming is associated with an increase of almost three times a year in the number of years, in which the oceans experience extreme heat on the surface.
Results also show that global warming is a cause 1 1stc increase In the intensity of sea thermal waves throughout these decades -1940 -.
“The episode of the summer of 2023 shows the exceptional exception between 2021 and 2023. “The same Liability in creating sea thermal waves We have noticed this in other times and other parts of the world, such as the heat wave of the Pacific Northeast between 2014 and 2015 or the heat wave that affected the Tasmania Sea between 2015 and 2016.
Results also show the multiplicated intensive guidance of sea thermal waves As of 2000, This illustrates the harmful role of global warming in extreme temperatures of the sea surface.
Different parts, different impacts
Allowed to study Cultural In the geographical distribution of recorded sea thermal waves, the impact of global heat varies according to the region.
Therefore, there are zones such as the Eastern Pacific and the Eastern Atlantic of the Eastern Atlantic, where the sea thermal waves often occur, but not yet serious. On the other hand, northern regions Atlantic And Quiet Also from the Baltic Sea, the thermal waves are not persistent, but More intense.
Researchers warn that these changes have deep impacts The adaptation of the environmental systems For new climate conditions, it responds to a combination of extreme heat and the duration of the event.
The model created can also provide information on the role of global warming in these changes in local and regional level, and can contribute to risks and threats. It helps to shape the tactics of adaptation and sedation New climate and environmental environment.
