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OAS accession Detail for 9100031
| << previous | |revision: 9 |
| accessions_id: | 9100031 |
|---|---|
| Title: | Crossover difference data records (XDR) from GEOSAT Geodetic Mission (GM) and Exact Repeat Mission (ERM) data from 1985-04-01 to 1987-11-07 (NCEI Accession 9100031) |
| Abstract: | Crossover difference data records (XDRs) from the GEOSAT Geodetic Mission (GM) and Exact Repeat Mission (ERM) for the time period of April 1, 1985 to November 7, 1987. Parameters include: time, orbit, latitude/longitude, and sea surface height. Corrections to the data include: sea level, wind and wave data, tides, dry and wet troposphere, ionosphere, height bias, altimeter crossover differences, altimeter sea surface measurement, and spacecraft orientation. These data were submitted by the U.S. Navy via National Ocean Service. The US Navy Geosat (Geodetic Satellite) radar altimeter mission lasted for nearly 5 years (March 1985 to January 1990) and collected approximately 750 million measurements of sea level, wave height, and wind speed over the global oceans. During the Geodetic Mission (March 1985 to September 1986), the satellite did not repeat its ground track for the duration of the mission. The orbit of the satellite was changed in early October 1986 to begin the Exact Repeat Mission (ERM) which lasted from November 1986 until the satellite quit functioning in January 1990. During the ERM, the satellite repeated its ground track every 17 days. Data were initially processed by the Johns Hopkins University Applied Physics Laboratory in Laurel, MD in coordination with the NOAA/NOS Satellite Altimeter Group. Data products were transferred to the NOAA National Oceanographic Data Center (NODC) for distribution. Data products are archived at the NODC. |
| Date received: | 19910206 |
| Start date: | 19850401 |
| End date: | 19871107 |
| Seanames: | |
| West boundary: | -180 |
| East boundary: | 180 |
| North boundary: | -60 |
| South boundary: | -72 |
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| Submitter: | Doyle, Ms. Nancy S. |
| Submitting institution: | US DOC; NOAA; National Ocean Service - Rockville, MD |
| Collecting institutions: | |
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| Number of observations: | |
| Supplementary information: | Note: Metadata for this accession were extracted from a legacy database maintained by the U.S. National Oceanographic Data Center (NODC). The design of the database did not exactly reflect the FGDC Content Standard for Digital Geospatial Metadata (CSDGM). Principal Investigator (PI) and organization contact information accurately represents all available information from the legacy database at the time that this description was created. However, proper attribution of a PI to a specific institution or the role (submitting or collecting) taken by an institution may not be correct due to inexact mapping between fields in the legacy database and the CSDGM. Due to this uncertainty, the contact information was initially recorded in the Supplemental Information element of the CSDGM description. To develop more accurate metadata, NCEI reviews metadata for all accessions on an ongoing basis. Points of contact for this dataset include: Contact info: Agency: US DOC; NOAA; NATIONAL OCEAN SERVICE - ROCKVILLE PI: Doyle, Ms. Nancy Address: address: 6001 EXECUTIVE BLVD. city: ROCKVILLE state: MD postal: NOT AVAILABLE country: UNITED STATES |
| Availability date: | 19910206 |
| Metadata version: | 9 |
| Keydate: | 2003-10-24 17:42:26+00 |
| Editdate: | 2022-01-12 14:41:43+00 |