American scientists from the University of Ohio discovered a strange inconsistency in Golosen’s climate data, a period that began 11.7 thousand years ago. The study was published scientifically magazine Communication World and Environment (CEE).
The team analyzed the ice seeds from the mountains of Greenland, Antarctica and the tropical belt and then compared them to Golosen’s climatic models.
The researchers found that the data of KERN and models in the polar regions coincided, but significant inconsistencies were observed in tropical mountains such as Kilimanjaro (Tanzania) and Uaskaran (Peruran). Models predict 1.5 ° C, while the ice seeds show 0.8-1.8 ° C cooling.
These changes are associated with the orbit fluctuations of the world, but the exact causes of the inconsistencies in tropical regions remain uncertain. According to researchers, modern models generally do not take into account important factors such as vegetation, land use and volcanic activity that can disrupt the results.
According to scientists, ice seeds continue to be one of the most reliable sources of information about the climate of the past. However, if the models cannot reproduce natural changes in Holocene, this questions their accuracy for future estimates.
Previously, researchers learnedThis global warming led to mass extinction 252 million years ago.
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Source: Gazeta
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