GHRSST Level 3C North Atlantic Regional (NAR) subskin Sea Surface Temperature from SNPP/VIIRS (GDS V2) produced by OSI SAF
(VIIRS_SST_NPP_NAR-OSISAF-L3C-v1.0)| Version | 1 |
| Processing Level | 3 |
| Start/Stop Date | 2013-Nov-11 to 2020-Nov-20 |
| Short Name | VIIRS_SST_NPP_NAR-OSISAF-L3C-v1.0 |
| Description | A regional Group for High Resolution Sea Surface Temperature (GHRSST) Level 3 Collated (L3C) dataset for the North Atlantic Region (NAR) based on retrievals from the Visible Infrared Imaging Radiometer Suite (VIIRS). The European Organization for the Exploitation of Meteorological Satellites (EUMETSAT), Ocean and Sea Ice Satellite Application Facility (OSI SAF) is producing SST products in near real time from Metop/AVHRR and SNPP/VIIRS. Global AVHRR level 1b data are acquired at Meteo-France/Centre de Meteorologie Spatiale (CMS) through the EUMETSAT/EUMETCAST system. NAR SNPP/VIIRS level 0 data are acquired through direct readout and converted into l1b at CMS. SST is retrieved from the AVHRR and VIIRS infrared channels using a multispectral algorithm. This product is delivered as four six hourly collated files per day on a regular 2km grid. The product format is compliant with the GHRSST Data Specification (GDS) version 2. |
| DOI | 10.5067/GHVRS-3CNO1 |
| Measurement | OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE |
| Platform/Sensor | Suomi-NPP / Platform Name: Suomi National Polar-orbiting Partnership (Suomi-NPP) Orbit Period: 101.0 minutes Inclination Angle: 97.1 degrees VIIRS SENSOR Name: Visible-Infrared Imager-Radiometer Suite (VIIRS) Swath Width: 3040.0 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. |
| Project | Group for High Resolution Sea Surface Temperature (GHRSST) |
| Data Provider | Publisher: EUMETSAT Ocean and Sea Ice Satellite Application Facility, Meteo-France/CMS, Lannion, France Creator: EUMETSAT/OSI SAF Release Place: EUMETSAT Ocean and Sea Ice Satellite Application Facility, Lannion, France Release Date: 2015-Feb-02 Resource: http://www.osi-saf.org |
| Format | netCDF-4 |
| Keyword(s) | GHRSST, sea surface temperature, sst, surface temperature, osi saf, osisaf, viirs, npp, nar, l3c, S-NPP |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Resolution Spatial Resolution: 0.02 Decimal Degrees x 0.02 Decimal Degrees Temporal Resolution: Hourly - < Daily Coverage Region: ATLANTIC OCEAN Region: EUROPE Region: ATLANTIC OCEAN North Bounding Coordinate: 78.24 degrees South Bounding Coordinate: 13.59 degrees West Bounding Coordinate: -76.02 degrees East Bounding Coordinate: 72.97 degrees Time Span: 2013-Nov-11 to 2020-Nov-20 Granule Time Span: 2013-Nov-20 to 2020-Nov-19 Projection Projection Type: Cylindrical Lat-Lon Projection Detail: Regular 0.02 degree grid Ellipsoid: WGS 84 |
| DIRECT ACCESS | |
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| Available for access in-region with AWS Cloud | |
Region | |
| us-west-2 | |
| podaac-ops-cumulus-protected/VIIRS_SST_NPP_NAR-OSISAF-L3C-v1.0/ | |
| podaac-ops-cumulus-public/VIIRS_SST_NPP_NAR-OSISAF-L3C-v1.0/ | |
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| READ SOFTWARE | |
| Generic Data Readers | |
| Name | Long Name | Unit |
|---|---|---|
| adi_dtime_from_sst | time difference of ADI data from sst measurement | hour |
| dt_analysis | deviation from SST analysis or reference climatology | kelvin |
| l2p_flags | L2P flags | |
| lat | latitude | degrees_north |
| lon | longitude | degrees_east |
| or_latitude | original latitude of the SST value | degrees_north |
| or_longitude | original longitude of the SST value | degrees_east |
| quality_level | quality level of SST pixel | |
| satellite_zenith_angle | satellite zenith angle | angular_degree |
| sea_ice_fraction | sea ice fraction | |
| sea_surface_temperature | sea surface subskin temperature | kelvin |
| solar_zenith_angle | solar zenith angle | angular_degree |
| sources_of_adi | sources of aerosol dynamic indicator | |
| sses_bias | SSES bias estimate | kelvin |
| sses_standard_deviation | SSES standard deviation | kelvin |
| sst_dtime | time difference from reference time | seconds |
| time | reference time of sst file | seconds since 1981-01-01 00:00:00 |
| wind_speed | 10m wind speed | m s-1 |
| GENERAL DOCUMENTATION | |
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| DATA CITATION POLICY | |
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Citation is critically important for dataset documentation and discovery. Please cite the data as follows, and cite the reference papers when it is appropriate.
| Citation | EUMETSAT/OSI SAF. 2015. NPP VIIRS NAR SST data set. Ver. 1. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/GHVRS-3CNO1
For more information see Data Citations and Acknowledgments.
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| Journal Reference | Low Earth Orbiter Sea Surface Temperature Product User Manual, http://www.osi-saf.org . |
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| Version | Dataset | Version Date | Status | |
|---|---|---|---|---|
| 1 | GHRSST Level 3C North Atlantic Regional (NAR) subskin Sea Surface Temperature from SNPP/VIIRS (GDS V2) produced by OSI SAF | 2021-10-12 | COMPLETE | 2021-10-12T06:15:00.000Z |
| 1 | GHRSST Level 3C North Atlantic Regional (NAR) subskin Sea Surface Temperature from VIIRS onboard JPSS-1 satellite produced by OSI SAF | 2023-12-14 | PLANNED | 2023-12-14T17:53:00.000Z |