Global Mean Sea Level Higher During the Holocene
Author Information
Author(s): Roger C. Creel, Jacqueline Austermann, Robert E. Kopp, Nicole S. Khan, Torsten Albrecht, Jonathan Kingslake
Primary Institution: Woods Hole Oceanographic Institution
Hypothesis
Did global mean sea level exceed early industrial levels during the Holocene?
Conclusion
The study suggests that global mean sea level was likely higher than present during the Holocene.
Supporting Evidence
- Evidence suggests that Antarctic ice volume was likely smaller than present after 3.9 ka.
- Global mean sea level reached 0.24 m above present by 3.2 ka.
- Future sea level rise will likely exceed Holocene levels by 2060.
Takeaway
Scientists found that sea levels were probably higher than they are now a long time ago, during a warm period called the Holocene.
Methodology
The study merged sea-level data with models to estimate Holocene global mean sea level and Antarctic ice volume.
Potential Biases
Potential biases from limited data coverage in certain regions.
Limitations
The study may not account for all local processes affecting sea level.
Statistical Information
Confidence Interval
−3.3 to 1.0 m
Statistical Significance
p=0.75
Digital Object Identifier (DOI)
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