articleProceedings of the National Academy of SciencesFeb 22, 2016BRONZE OA

Temperature-driven global sea-level variability in the Common Era

RERobert E. KoppACAndrew C. KempKBKlaus BittermannBPBenjamin P. HortonJPJeffrey P. Donnelly

Rutgers, The State University of New Jersey · Planetary Science Institute · +7 more institutions

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Abstract

We assess the relationship between temperature and global sea-level (GSL) variability over the Common Era through a statistical metaanalysis of proxy relative sea-level reconstructions and tide-gauge data. GSL rose at 0.1 ± 0.1 mm/y (2σ) over 0-700 CE. A GSL fall of 0.2 ± 0.2 mm/y over 1000-1400 CE is associated with ∼ 0.2 °C global mean cooling. A significant GSL acceleration began in the 19th century and yielded a 20th century rise that is extremely likely (probability [Formula: see text]) faster than during any of the previous 27 centuries. A semiempirical model calibrated against the GSL reconstruction indicates that, in the absence of anthropogenic climate change, it is extremely likely ([Formula: see…

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Topics & keywords

Topics
Keywords
  • Sea level
  • Climate change
  • Global warming
  • Global change
  • Climatology
  • Sea level rise
  • Environmental science
  • Global temperature
UN Sustainable Development Goals
  • Life below water
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