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Observed change in global mean sea level

Data Visualization Created 07 Nov 2019 Published 04 Dec 2019 Last modified 04 Dec 2019

1 min read

Topics: Climate change adaptation ,

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Data sources

Reconstructed Global mean sea level (satellite and altimetre) provided by Commonwealth Scientific and Industrial Research Organisation (CSIRO)
Global mean sea level reconstruction (Uni Siegen) provided by Universität Siegen
Time Series of Mean Sea Level Trends over Global Ocea provided by Copernicus Marine Environment Monitoring Service

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Based on data

Time Series of Mean Sea Level Trends over Global Ocean The sea level ocean monitoring indicator is derived from the DUACS delayed-time (DT-2018 version) altimeter gridded maps of sea level anomalies based on a stable number of altimeters (two) in the satellite constellation. These products are distributed by the Copernicus Climate Change Service and are also available in the CMEMS catalogue (SEALEVEL_GLO_PHY_CLIMATE_L4_REP_OBSERVATIONS_008_057). The mean sea level evolution estimated in the global ocean is derived from the average of the gridded sea level maps weighted by the cosine of the latitude. The annual and semi-annual periodic signals are adjusted and the time series is low-pass filtered. The curve is corrected for the effect of the Glacial Isostatic Adjustment using the ICE5G-VM2 GIA model (Peltier, 2004).

Global mean sea level reconstruction (Uni Siegen) This dataset is described in the following publications: Dangendorf et al. 2019: Persistent acceleration in global sea-level rise since the 1960s, doi:10.1038/s41558-019-0531-8

Used in indicators

What are the trends in mean sea levels globally and across European seas?

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Older versions

27 Nov 2017 - Observed change in global mean sea level

20 Dec 2016 - Observed change in global mean sea level

10 Sep 2014 - Observed change in global mean sea level

Geographic coverage

Earth

Temporal coverage

1880-2018

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