Science

Ice-age abrupt climate shifts were not as fast as thought, new study finds

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Briefings

A new study using speleothem records from China and India, combined with isotope-enabled climate models, reveals that abrupt glacial ocean circulation recoveries occurred over centuries rather than decades. This finding challenges previous assumptions about the speed of climate recovery and has significant implications for understanding future Atlantic circulation changes.

Key points

• Speleothem records from China and India were combined with isotope-enabled climate models to reconstruct past ocean circulation patterns.
• The study indicates that abrupt glacial ocean circulation recoveries took centuries, not decades, as previously thought.

Context

This research challenges previous assumptions about the speed of climate recovery and has significant implications for understanding future Atlantic circulation changes.

Limitations

The study relies on speleothem records from China and India, which may have regional biases. The findings are based on historical data and do not account for future climate variability or uncertainties in model projections.

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