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ERDDAP > info > SIW_OSISAF_GLO_SIT_SIE_SIC_OBS_conc

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 data       graph     public Daily Sea Ice Concentration Analysis from OSI SAF EUMETSAT    ?            M   background (external link) RSS Subscribe EUMETSAT OSI SAF SIW_OSISAF_GLO_SIT_SIE_SIC_OBS_conc

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL abstract String The daily analysis of sea ice concentration is obtained from
operation satellite images of the polar regions. It is based
on atmospherically corrected signal and a carefully selected
sea ice concentration algorithm. This product is freely
available from the EUMETSAT Ocean and Sea Ice Satellite
Application Facility (OSI SAF).
attribute NC_GLOBAL activity_type String Space borne instrument
attribute NC_GLOBAL area String Northern Hemisphere
attribute NC_GLOBAL cdm_data_type String Grid
attribute NC_GLOBAL contact String osisaf-manager at met.no
attribute NC_GLOBAL Conventions String CF-1.6, COARDS, ACDD-1.3
attribute NC_GLOBAL copyright_statement String Copyright 2013 EUMETSAT
attribute NC_GLOBAL creator_email String osisaf-manager at met.no
attribute NC_GLOBAL creator_name String Osisaf Manager
attribute NC_GLOBAL creator_type String person
attribute NC_GLOBAL creator_url String https://www.eumetsat.int/website/home/index.html (external link)
attribute NC_GLOBAL distribution_statement String Free
attribute NC_GLOBAL gcmd_keywords String Cryosphere > Sea Ice > Sea Ice Concentration
Oceans > Sea Ice > Sea Ice Concentration
Geographic Region > Northern Hemisphere
Vertical Location > Sea Surface
EUMETSAT/OSISAF > Satellite Application Facility on Ocean and Sea Ice, European Organisation for the Exploitation of Meteorological Satellites
attribute NC_GLOBAL history String 2013-01-01 creation
2016-10-20: changed lat and lon fields to partly correct small bug20170621: Added empty ice_conc_unfiltered and masks field, to be consistent with latest operational product format
attribute NC_GLOBAL infoUrl String https://www.eumetsat.int/website/home/index.html (external link)
attribute NC_GLOBAL institution String EUMETSAT OSI SAF
attribute NC_GLOBAL instrument_type String Multi-sensor analysis
attribute NC_GLOBAL keywords String algorithm, algorithm_uncertainty, analysis, application, area, climate, concentration, confidence, confidence_level, cryosphere, daily, data, day, earth, Earth Science > Cryosphere > Sea Ice > Ice Extent, Earth Science > Oceans > Sea Ice > Ice Extent, eumetsat, european, exploitation, extent, facility, filter, filtered, flag, fraction, hemisphere, ice, ice_conc, ice_conc_unfiltered, level, masks, meteorological, meteorology, northern, ocean, oceanography, oceans, organisation, osi, osisaf, point, remote sensing, retrieval, saf, satellite, satellites, science, sea, sea ice, sea ice concentration, sea_ice_area_fraction, sea_ice_area_fraction status_flag, smearing, smearing_uncertainty, status, status_flag, tie, tie-point, time, total_uncertainty, uncertainty, unfiltered, used
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String Free
attribute NC_GLOBAL netcdf_version String 3.6.3
attribute NC_GLOBAL PI_name String Rasmus Tonboe
attribute NC_GLOBAL platform_name String Multi-sensor analysis
attribute NC_GLOBAL product_id String OSI-401
attribute NC_GLOBAL product_name String osi_saf_ice_conc
attribute NC_GLOBAL product_status String operational
attribute NC_GLOBAL product_version String 2.2
attribute NC_GLOBAL project_name String EUMETSAT OSI SAF
attribute NC_GLOBAL references String OSI SAF Sea Ice Product Manual, Eastwood S. (editor), v3.7, April 2011
http://osisaf.met.no
http://www.osi-saf.org
attribute NC_GLOBAL software_version String 4.1
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String The daily analysis of sea ice concentration is obtained from operation satellite images of the polar regions. It is based on atmospherically corrected signal and a carefully selected sea ice concentration algorithm. This product is freely available from the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) Ocean and Sea Ice Satellite Application Facility (OSI SAF).
attribute NC_GLOBAL testOutOfDate String now-3days
attribute NC_GLOBAL time_coverage_end String 2012-12-31T12:00:00Z
attribute NC_GLOBAL time_coverage_start String 2009-01-01T12:00:00Z
attribute NC_GLOBAL title String Daily Sea Ice Concentration Analysis from OSI SAF EUMETSAT
attribute NC_GLOBAL topiccategory String Oceans ClimatologyMeteorologyAtmosphere
dimension time   double nValues=1460, evenlySpaced=false, averageSpacing=1 day 0h 0m 59s
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.2308112E9, 1.3569552E9
attribute time axis String T
attribute time calendar String standard
attribute time ioos_category String Time
attribute time long_name String reference time of product
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
dimension yc   double nValues=1120, evenlySpaced=true, averageSpacing=-10.0
attribute yc actual_range double -5345.0, 5845.0
attribute yc axis String Y
attribute yc long_name String y coordinate in Cartesian system
attribute yc standard_name String projection_y_coordinate
attribute yc units String km
dimension xc   double nValues=760, evenlySpaced=true, averageSpacing=10.0
attribute xc actual_range double -3845.0, 3745.0
attribute xc axis String X
attribute xc long_name String x coordinate in Cartesian system
attribute xc standard_name String projection_x_coordinate
attribute xc units String km
variable ice_conc   float time, yc, xc
attribute ice_conc _FillValue float -9.99
attribute ice_conc colorBarMaximum double 100.0
attribute ice_conc colorBarMinimum double 0.0
attribute ice_conc grid_mapping String Polar_Stereographic_Grid
attribute ice_conc long_name String concentration of sea ice
attribute ice_conc standard_name String sea_ice_area_fraction
attribute ice_conc units String percent
attribute ice_conc valid_max float 100.0
attribute ice_conc valid_min float 0.0
variable ice_conc_unfiltered   double time, yc, xc
attribute ice_conc_unfiltered _FillValue double -9.99
attribute ice_conc_unfiltered colorBarMaximum double 100.0
attribute ice_conc_unfiltered colorBarMinimum double 0.0
attribute ice_conc_unfiltered comment String This field contains the unfiltered ice concentration. A climatology mask has been applied to remove spurious ice, but no other filtering is applied. This field may contain spurious ice. If a filtered field is required, use the "ice_conc" field.
attribute ice_conc_unfiltered grid_mapping String Polar_Stereographic_Grid
attribute ice_conc_unfiltered long_name String The unfiltered sea ice concentration on the southern hemisphere
attribute ice_conc_unfiltered standard_name String sea_ice_area_fraction
attribute ice_conc_unfiltered units String percent
attribute ice_conc_unfiltered valid_max double 100.0
attribute ice_conc_unfiltered valid_min double 0.0
variable masks   byte time, yc, xc
attribute masks _FillValue byte -128
attribute masks colorBarMaximum double 5.0
attribute masks colorBarMinimum double 0.0
attribute masks comment String This bitmask gives the masks which have been applied to convert the ice_conc_unfiltered variable to the ice_conc variable.
attribute masks flag_descriptions String all bits to 0 -> no masks set
bit 1 -> mask for sea ice maximum climatology set
bit 2 -> open water filter mask set
bit 3 -> NWP 2m air temperature mask set
attribute masks flag_masks int 1, 2, 4
attribute masks flag_meanings String max_ice_climato open_water_filtered high_t2m
attribute masks grid_mapping String Polar_Stereographic_Grid
attribute masks long_name String masks used to filter ice concentration
attribute masks units String 1
attribute masks valid_range byte 0, 7
variable confidence_level   byte time, yc, xc
attribute confidence_level colorBarMaximum double 6.0
attribute confidence_level colorBarMinimum double 0.0
attribute confidence_level flag_descriptions String 0 -> not processed, no input data
1 -> computation failed
2 -> processed but to be used with care
3 -> nominal processing, acceptable quality
4 -> nominal processing, good quality
5 -> nominal processing, excellent quality
attribute confidence_level flag_meanings String unprocessed erroneous unreliable acceptable good excellent
attribute confidence_level flag_values byte 0, 1, 2, 3, 4, 5
attribute confidence_level grid_mapping String Polar_Stereographic_Grid
attribute confidence_level long_name String confidence level
attribute confidence_level valid_max byte 5
attribute confidence_level valid_min byte 0
variable status_flag   byte time, yc, xc
attribute status_flag _FillValue byte -1
attribute status_flag colorBarMaximum double 150.0
attribute status_flag colorBarMinimum double 0.0
attribute status_flag flag_descriptions String 0 -> nominal value from algorithm used
2 -> sea ice algorithm applied over lake
10 -> maximum climatology test applied
11 -> coastal correction algorithm applied
12 -> open water filter applied
100 -> missing value due to over land
101 -> missing value due to missing data
102 -> unclassified pixel
attribute status_flag flag_meanings String nominal lake background type_mask land missing unclassified
attribute status_flag flag_values byte 0, 2, 10, 14, 100, 101, 102
attribute status_flag grid_mapping String Polar_Stereographic_Grid
attribute status_flag long_name String status flag for concentration of sea ice retrieval
attribute status_flag standard_name String sea_ice_area_fraction status_flag
attribute status_flag valid_max byte 102
attribute status_flag valid_min byte 0
variable total_uncertainty   float time, yc, xc
attribute total_uncertainty colorBarMaximum double 1.5
attribute total_uncertainty colorBarMinimum double 0.0
variable smearing_uncertainty   float time, yc, xc
attribute smearing_uncertainty colorBarMaximum double 1.5
attribute smearing_uncertainty colorBarMinimum double 0.0
variable algorithm_uncertainty   float time, yc, xc
attribute algorithm_uncertainty colorBarMaximum double 1.5
attribute algorithm_uncertainty colorBarMinimum double 0.0

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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