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External Data Spec

IPCC SROCC data on sea level rise

External Data Spec Published 05 Nov 2019
1 min read
This data archive comprises all data underlying figures and maps in Chapter 4 (Sea Level Rise and Implications for Low Lying Islands, Coasts and Communities) of the Special Report on the Ocean and Cryosphere in a Changing Climate published in 2019.
information.png Provider:
Intergovernmental Panel on Climate Change (IPCC)
information.png Dataset URL:
https://www.ipcc.ch/report/ar6/sr/srocc/download/SROCC_Ch04-SM_DataFiles.zip
information.png Dataset path:

Link to report:

https://www.ipcc.ch/srocc/download-report/

Related content

Interactive charts

Produced figures

Figure Projected change in the frequency of historical 1-in-100 year coastal flooding events by 2100 This maps show the estimated multiplication factor, by which the frequency of flooding events of a given height changes between 2010 and 2100 due to projected regional sea relative level rise under the RCP2.6 and RCP8.5 scenarios. Values larger than 1 indicate an increase in flooding frequency. Adapted from Figure 4.12 of the Intergovernmental Panel on Climate Change (IPCC) Special Report on the Ocean and Cryosphere (SROCC).
Figure
Archived
Observed and projected change in global mean sea level The left panel depicts the rise in global mean sea level from 1880 to 2019 based on two data sources. The red line (DMW) shows the hybrid sea-level reconstruction of sea level anomalies during 1900–2015 (Dangendorf et al., 2019). The uncertainty interval around is shaded. The dark blue line (CMEMS) shows the filtered sea level anomalies for the time period from 1993 to 2019 based on satellite observations (Ablain et al., 2017; WCRP Sea Level Budget Group, 2018). All values are relative to the average level of the period 1993-2012, during which the two datasets overlap. The right panel shows projections of global mean sea level until 2100 for three emissions scenarios based on the IPCC SROCC (Special Report on the Ocean and Cryosphere in a Changing Climate).
Figure
Archived
Past trend and projected change in relative sea level across Europe The arrows show the trend in relative sea level at selected European tide gauge stations since 1970 (in mm/year) based on data from the Permanent Service for Mean Sea Level (PSMSL). The background colours show projections of European sea level change for 2081–2100 for RCP8.5 (in metres). Results are median values based on the values in the IPCC SROCC Table 4.4.
Figure
Archived
Change in the frequency of flooding events in Europe given projected sea level rise under two climate scenarios This maps show the estimated change in the frequency of flooding events of a given height between 2010 and 2100 due to projected regional sea relative level rise under the RCP2.6 and RCP8.5 scenarios. Values larger than 1 indicate an increase in flooding frequency. RCP, representative concentration pathway; RCP2.6: low emissions scenario; RCP8.5: high emissions scenario
Figure Projected change in relative sea level, 2081-2100 European sea level change for 2081–2100 for RCP2.6 and RCP8.5 in metres. Results are median values based on the values in SROCC Table 4.4 for Antarctica including GIA and the gravitational and rotational effects, and results by Church et al. (2013) for glaciers, LWS and Greenland.

See also

Page Coastal — relative sea level More than one third of the European population lives in coastal regions. Low-lying countries, islands and communities know from experience that rising sea levels are a major climate hazard. Higher relative sea levels and corresponding storm surges threaten property, infrastructure and lives. They can lead to coastal erosion and make surface water and groundwater unusable through saltwater intrusion, with knock-on effects for agriculture and coastal and land ecosystems. Local sea level rise can be strongly affected by human activities, such as groundwater extraction or soil compaction from buildings. Understanding all this is crucial not only for coastal planning, ecosystem management and protection but also for putting in place measures to protect transport, energy and other infrastructure.

Used in indicators

Indicator Specification Extreme sea levels and coastal flooding This indicator reports changes in the frequency of historically 1-in-100-year floods along the European coastline. Such floods are caused by extreme sea levels, particularly during storm surges.
Indicator Specification Global and European sea level rise This indicator comprises several metrics to describe past and future sea level rise globally and along European coastlines: observed change in global mean sea level, based on reconstructions from tide gauge measurements (since 1900) and on satellite altimeter data (since 1993); projected change in global sea level for three different forcing scenarios; spatial trends in relative sea level along the European coastline, based on tide gauge stations with long time series (since 1970); and projected change in relative sea level across European seas
Indicator Specification
Archived
Global and European sea-level rise This indicator comprises several metrics to describe past and future sea level rises globally and in European seas. Global sea level rise is reported because it is the second-most important metric of global climate change (after global mean surface temperature), and because it is a proxy of sea level rise in Europe. Past sea level trends across Europe are reported in two different ways: first, absolute sea level change based on satellite altimeter measurements that reflect primarily the contribution of global climate change to sea level rise in Europe; second, relative sea level change based on tide gauges that also include local land movement, which is more relevant for the development of regional adaptation strategies. The indicator also addresses changes in extreme sea level along the European coast. The following aspects of sea level rise are included: observed change in GMSL, based on two reconstructions from tide gauge measurements (since 1880) and on satellite altimeter data (since 1993); spatial trends in absolute sea level across European seas, based on satellite measurements (since 1993); spatial trends in relative sea level across European seas, based on European tide gauge stations with long time series (since 1970); projected change in global sea level for three different forcing scenarios; projected change in relative sea level across European seas; projected change in the frequency of flooding events along European coasts.

Permalinks

For references, please go to https://www.eea.europa.eu/data-and-maps/data/external/ipcc-srocc-data-on-sea or scan the QR code.

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