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External Data Spec

Arctic monthly mean sea ice area

External Data Spec Published 31 Oct 2020
1 min read
EUMETSAT Ocean and Sea Ice Satellite Application Facility, Sea ice index 1979-onwards (v2.1, 2020), OSI-420. The OSI SAF Sea Ice Index v2p1 is prepared using EUMETSAT OSI SAF Sea Ice Concentration data, with R&D input from the ESA Climate Change Initiative (ESA CCI).
information.png Provider:
Ocean and Sea Ice Satellite Application Facility (OSI SAF)
information.png Dataset URL:
http://osisaf.met.no/quicklooks/sie_graphs/figs_v2p1/nh/osisaf_nh_sia_monthly.txt
information.png Other comments:

Data are also available from the Copernicus Marine Environment and Monitoring Service (CMEMS)

Further information:

Related content

Produced figures

Figure Observed and projected decline in Arctic sea-ice area This figure combines two data sources. The left part of the figure (black lines) shows the observed change in Arctic sea ice over the period 1979 to 2022 for March (maximum ice cover) and September (minimum ice cover) based on the EUMETSAT OSI SAF Sea Ice Index v2.1 dataset. The right part shows projections of the Arctic sea ice area in March and September from CMIP6 simulations for three emissions scenarios. The thick lines denote the multi-model ensemble mean (24-27 models, depending on the scenario), and the shading shows the likely uncertainty interval (one standard deviation around the multi-model mean). The dashed black line indicates a threshold for near ice-free conditions.
Figure
Archived
Observed and projected decline in Arctic sea-ice area This figure combines two data sources. The left part shows the observed change in Arctic sea ice are (individual observations and trend lines) over the period 1979 to 2021 for March (maximum ice cover) and September (minimum ice cover). The right part shows projections of Arctic sea ice area in March and September from CMIP6 simulations for three emissions scenarios. The thick lines denote the multimodel ensemble mean (24-27 models, depending on the scenario), and the shading shows the likely uncertainty interval (one standard deviation around the multimodel mean). The dashed line indicates a threshold for near ice-free conditions."
Figure
Archived
Observed and projected decline in Arctic sea-ice area This figure combines two data sources. The left part of the figure (black lines) shows the observed change in Arctic sea ice are over the period 1979 to 2020 for March (maximum ice cover) and September (minimum ice cover) based on the EUMETSAT OSI SAF Sea Ice Index v2.1 dataset. The right part shows projections of the Arctic sea ice area in March and September from CMIP6 simulations for three emissions scenarios. The thick lines denote the multimodel ensemble mean (24-27 models, depending on the scenario), and the shading shows the likely uncertainty interval (one standard deviation around the multimodel mean). The dashed black line indicates a threshold for near ice-free conditions.

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For references, please go to https://www.eea.europa.eu/data-and-maps/data/external/arctic-monthly-mean-sea-ice-area or scan the QR code.

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