reference : Climate-change–driven accelerated sea-level rise detected in the altimeter era

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/reference/80401898-74b5-422f-9a8c-7e66b9af1206
Bibliographic fields
reftype Journal Article
Abstract Satellite altimetry has shown that global mean sea level has been rising at a rate of ∼3 ± 0.4 mm/y since 1993. Using the altimeter record coupled with careful consideration of interannual and decadal variability as well as potential instrument errors, we show that this rate is accelerating at 0.084 ± 0.025 mm/y2, which agrees well with climate model projections. If sea level continues to change at this rate and acceleration, sea-level rise by 2100 (∼65 cm) will be more than double the amount if the rate was constant at 3 mm/y.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/y2. 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.
Author Nerem, R. S.; Beckley, B. D.; Fasullo, J. T.; Hamlington, B. D.; Masters, D.; Mitchum, G. T.
DOI 10.1073/pnas.1717312115
Issue 9
Journal Proceedings of the National Academy of Sciences of the United States of America
Pages 2022-2025
Title Climate-change–driven accelerated sea-level rise detected in the altimeter era
Volume 115
Year 2018
Bibliographic identifiers
_record_number 25864
_uuid 80401898-74b5-422f-9a8c-7e66b9af1206