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OAS accession Detail for 0043269
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accessions_id: 0043269 | archive
Title: OSTM/Jason-2 Level-2 Geophysical Data Records (GDR), 2008 to 2019 (NCEI Accession 0043269)
Abstract: This collection contains the Ocean Surface Topography Mission (OSTM)/Jason-2 Level-2 Geophysical Data Records (GDR) data files. The level-2 X-GDR are available as 3 datatypes: Operational Geophysical Data Records (OGDR), Interim Geophysical Data Records (IGDR) and final Geophysical Data Records (GDR). The OGDRs are near-real-time records and are generated every 3-5 hours. They are based on orbits from DORIS propagator and forecast meteorological fields for the geophysical corrections. The IGDRs are based on preliminary DORIS ephemeris, analyzed meteorological grids, and preliminary auxiliary data files. The IGDRs have a latency of 1 - 2 days. The S-IGDR is a superset of the IGDR, containing the original radar echo "waveform" data. The GDRs are based on final high-precision DORIS (perhaps combined with GPS) ephemeris, final meteorological grids, ancillary and auxiliary data files. The S-GDR is a superset of the GDR, containing the waveform data. The S-GDRs are generated every 10 days. Sea Surface Height Anomaly (SSHA) files are available for IGDR and GDR. All files are available in NetCDF format and the OGDRs are also available in BUFR format.
Date received: 20081215
Start date: 20080620
End date: 20191001
Seanames:
West boundary: -180
East boundary: 180
North boundary: 66
South boundary: -66
Observation types:
Instrument types:
Datatypes:
Submitter: Lillibridge, John
Submitting institution: US DOC; NOAA; NESDIS; Office of Satellite Data Processing and Distribution
Collecting institutions:
Contributing projects:
Platforms:
Number of observations:
Supplementary information: OSTM/Jason-2 was a follow-on mission continuing the TOPEX/Poseidon and JASON-1 missions, and was designed to ensure continuity of high quality measurements for ocean science and to provide operational products for assimilation and forecasting applications. The Jason-2 satellite was launched on 20 June 2008 and reached its nominal repetitive orbit on 4 July 2008. After more than 11 years in orbit and well beyond its three- to five-year mission baseline, the Ocean Surface Topography Mission (OSTM) on Jason-2 permanently ceased acquisition of scientific data at 06:48 UTC on 1 October 2019 due to aging-related issues onboard the spacecraft.
Availability date: 20081215
Metadata version: 37
Keydate: 2008-07-09 19:24:07+00
Editdate: 2019-11-27 19:56:38+00