Summer 2023 was hottest in 2,000 years, study says
- May 14, 2024
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He last summerWith Fires are ravaging the Mediterranean, sinking roads in texas And Heat waves test power grids in Chinawas not only the warmest on record, but also
He last summerWith Fires are ravaging the Mediterranean, sinking roads in texas And Heat waves test power grids in Chinawas not only the warmest on record, but also hottest in 2000 yearsaccording to a new study.
European scientists decided last year that the period from June to August was the hottest on record since 1940, a clear sign that climate change is leading to new extreme events.
But The 2023 summer heat wave in the Northern Hemisphere will also eclipse records across a much wider time spectrum.according to a study published Tuesday in the journal Nature.
Study co-author Jan Esper, a climate scientist at Johannes Gutenberg University in Germany, said: “When you look at the long history, you see how dramatic recent global warming has been.”
According to the study, in the summer of 2023. The Earth’s temperature between 30 and 90 degrees north latitude reached 2.07 degrees Celsius. more than in the pre-industrial average.
Scientists used weather station records dating back to the mid-19th century.in combination with rings of thousands of trees from nine places in the northern hemisphere, in recreate what annual temperatures were like in the distant past.
He Last summer was 2.2ºC warmer than average temperatures calculated for the years 1 to 1890.according to tree ring measurements.
Scientists from the European Union’s Climate Change Service Copernicus said in January that It is “very likely” that 2023 will be the warmest year in 100,000 years.
However, Esper and a group of European scientists have refuted such claims. They argue that scientific methods for obtaining information about past climates from sources such as lake and marine sediments and peatlands do not allow for annual comparisons of temperature extremes on such a broad time scale.
“We don’t have that data,” Esper says. “That was an exaggeration”.
Warming caused by rising greenhouse gas emissions from burning fossil fuels intensified last summer due to El Niño weather conditionswhich typically leads to higher global temperatures, he added.
Reuters
Source: Aristegui Noticias
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