Overview
The CDR and ICDR sea ice concentration dataset of the EUMETSAT OSI SAF (OSI-450-a and OSI-430-a), covering the period from October 1978 to present, with 16 days delay. It used passive microwave data from SMMR, SSM/I and SSMIS. Sea ice concentration is computed from atmospherically corrected PMW brightness temperatures, using a combination of state-of-the-art algorithms and dynamic tie points. It includes error bars for each grid cell (uncertainties). This version 3.0 of the CDR (OSI-450-a, 1978-2020) and ICDR (OSI-430-a, 2021-present with 16 days latency) was released in November 2022
DOI (product):
https://doi.org/10.48670/moi-00136
References:
Documentation
Classification
Full name
Global Ocean Sea Ice Concentration Time Series REPROCESSED (OSI-SAF)
Product ID
SEAICE_GLO_SEAICE_L4_REP_OBSERVATIONS_011_009
Source
Satellite observations
Spatial extent
Global OceanArctic OceanAntarctic OceanLat -90° to 90°Lon -180° to 179.7°
Spatial resolution
25 × 25 km
Temporal extent
1 Jan 2021 to 21 Sep 2024
Temporal resolution
Daily
Processing level
Level 4
Variables
Sea ice area fraction
Feature type
Grid
Blue markets
Polar environment monitoringClimate & adaptationScience & innovation
Projection
Lambert Azimuthal Equal Area (EPSG:3035)
Update frequency
Daily – before 12 UTC after 16 daysAnnually
Format
NetCDF-4
Originating centre
MET Norway
Last metadata update
30 November 2023
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