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Journal for accession number:  0129520
Created on:                    2015-06-22 22:03:35 UTC
By:                            Automated Ingest Agent

Source: These data were submitted for archive to the NODC from the Physical
Oceanography Distributed Active Archive Center (PO.DAAC), Jet Propulsion
Laboratory (JPL), NASA/California Institute of Technology (Caltech), as part
of the Group for High Resolution Sea Surface Temperature (GHRSST) program.

Actions: GHRSST data is received daily by the NODC 30 days after observation
(prior to 30 days it is available through the GDAC interface) through an
automated procedure made possible largely by the formalized procedures
developed within the GHRSST, especially those pertaining to data management,
metadata, and file naming conventions. An automated process downloads data
each day from the PO.DAAC FTP server and uses MD5 hash digests to verify the
transmission of the data.  Corresponding metadata are downloaded from a web
service in XML format.  An automated process uses a combination of boilerplate
information, information from the filenames, information from the metadata
records, and information generated by the NODC archive system to create an
archival information package (an NODC accession).  On a routine basis, an
HTTP/FTP/OPeNDAP/TDS dissemination hierarchy is then constructed pointing to
the data and metadata residing in the formal NODC archive file system.

Normally, GHRSST Data Specification version 1 data arriving at NODC from the
GDAC are identified in both an index file and a corresponding FGDC record's
Entities and Attributes section. In some cases, there is a mismatch between
that index file and the list in the FGDC record, a mismatch between the list
in the FGDC record and files already residing in this accession (for updates
to existing GHRSST accessions), or a combination of the two problems. For
this accession, there was a mismatch between that index file and the list in
the FGDC record sent by the GDAC. NODC's archive systems accommodated this
inconsistency by adding the files into the archive accession.

Some data files were not accompanied by a corresponding DIF-format metadata
file ("FR" file). The data files were added into the archive accession,
despite the missing DIF-format metadata files.

The file about/GDS1-L2P-MODIS_A-JPL-2015-113.xml is based on the file
data/0-data/GDS1-L2P-MODIS_A-JPL/FGDC-20150423-MODIS_A-JPL-L2P-v01.xml.

Files:

about/ 
This directory contains files created by NODC staff, including 'negotiable'
information between NODC staff and the data provider.

data/0-data/
This directory contains files in their original format as downloaded to NODC.

The file naming convention for the GHRSST GDS 1.0 is described in GDS 1.0
Technical Specifications: GDS-v1.0-rev1.6.pdf (GHRSST documentation, NODC
Accession 0123222).

NODC updates to metadata:

1.1 Citation 8.4 Title: appended " for 2015-04-23 (NODC Accession 0129520)"
1.5.1 Bounding Coordinates: calculated by finding the maximum and
  minimum range domains for the Latitude and Longitude attributes in
  this accession's 331 constituent entities identified in section
  5: Entity and Attribute Information
1.5.1.1 West Bounding Coordinate: changed from -180.000 to -178.446
1.5.1.2 East Bounding Coordinate: changed from 180.000 to 179.477
1.5.1.3 North Bounding Coordinate: changed from 90.000 to 89.998
1.5.1.4 South Bounding Coordinate: changed from -90.000 to -89.990
6.2 Resource Description: set to "NODC ACCESSION # 0129520"
6.4.2.1.7 Transfer Size: changed from 15000000 to 6587.886 (actual)
6.4.2.1.7 Transfer Size: changed from 15000000 to 6587.886 (actual)
6.4.2.1.7 Transfer Size: changed from 15000000 to 6587.886 (actual)
7.1 Metadata Date: changed from 20041023 to 20150623
7.2 Metadata Review Date: changed from 20041023 to 20150623
7.3 Metadata Future Review Date: changed from 20050331 to 20160622