Global temperatures have warmed to levels unseen in most of the Holocene epoch
In short: Researchers reconstructing global temperatures over the last 11,300 years found that recent warming is unprecedented in the last 1,500 years. By analyzing 73 distributed records, the study observed a long-term cooling trend following the early Holocene that only recently began to reverse.
The study analyzed 73 globally distributed records to track temperature anomalies from 10,000 years ago to the present. While the researchers identified a cooling period of approximately 0.7°C between the early and late Holocene, they noted that current temperatures are now warmer than roughly 75% of the Holocene's temperature history. However, the study is limited to the data provided by these specific historical records.
This long-term perspective is vital for understanding whether modern warming is a natural fluctuation or a departure from historical patterns, especially as future projections suggest temperatures may soon exceed the entire Holocene range.
Why it matters: Modern temperatures have risen above 75% of the temperature levels seen throughout the last 11,300 years.
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Sources
- Summary by Intellect · source: Research: Marcott et al. (2013). A Reconstruction of Regional and Global Temperature for the Past 11,300 Years. Science.
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