Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 115, Issue 9, Pages 2022-2025Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1717312115
Keywords
sea level; acceleration; climate change; satellite altimetry
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Funding
- NASA [NNX13AI26G, NNX17AH35G, NNX14AJ98G, NNH12ZDA001N, NNX16AH56G]
- NASA [904098, NNX16AH56G, NNX14AJ98G, 679186] Funding Source: Federal RePORTER
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Using a 25-y time series of precision satellite altimeter data from TOPEX/Poseidon, Jason-1, Jason-2, and Jason-3, we estimate the climate-change-driven acceleration of global mean sea level over the last 25 y to be 0.084 +/- 0.025 mm/y(2). Coupled with the average climate-change-driven rate of sea level rise over these same 25 y of 2.9 mm/y, simple extrapolation of the quadratic implies global mean sea level could rise 65 +/- 12 cm by 2100 compared with 2005, roughly in agreement with the Intergovernmental Panel on Climate Change (IPCC) 5th Assessment Report (AR5) model projections.
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