Home /PRODUCTS /Global Sea Ice Concentration data record (SMMR/SSMI/SSMIS)
Global Sea Ice Concentration data record (SMMR/SSMI/SSMIS)
| CHARACTERISTICS |
| Processing level | L3 |
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| Satellite input | SMMR, DMSP/SSM/I, DMSP/SSMIS |
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| Other input | ECMWF re-analysis and forecast for atmospheric correction |
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| Frequency | 1 per day |
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| Central time | 12:00 |
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| Spatial coverage | Global |
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| Spatial sampling | 25 km |
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| Projection | Lambert azimuthal |
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| Characteristics & methods | Daily averaged fractional ice cover in percentage. |
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| ACCURACY REQUIREMENTS |
| Thresold accuracy | 15 % |
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| Target accuracy | 8 % |
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| Optimal accuracy | 5 % |
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| Verification/validation method | Comparison with high spatial resolution manual ice charts (available between twice a week and once a week) : the performance shall be validated for only the “ice” and “water” cases, separately. |
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| DATA ACCESS |
| Diffusion mean(s) and format(s) | EDC (NetCDF4)
HL FTP Server (NetCDF4)
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| Main FTP server | Archive HL FTP server | Other FTP server,
other mean(s) to access main server |
Thredds
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| EUMETCast | EUMETCast | Discovery mean(s) | |
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| EUMETSAT Data Centre | EDC |
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| Applications and users | Climate models, NWP and Ocean/Ice hindcast models, environmental agencies. | OSI SAF Producer | Norwegian Meteorological Institute |
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| VIEW MORE |
DOCUMENTATION |
| Product web page | Description | Product User Manual | PUM |
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| Algorithm Theoretical Baseline Document | ATBD |
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| Last products at a glance | Quicklook | Scientific Validation Report | SVR |
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| HISTORY, COMMENTS |
Supersedes OSI-409 and OSI-409-a
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| Authorised to be operational/released | 28/04/2017 |
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| Declared operational/released | 12/05/2017 |
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| In EDC since | 07/06/2018 |
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| First product date | 01/01/1979 |
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| Last product date | 31/12/2015 |
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