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 Global Data History
 
   History of the WOCE Global Data Resource  

In support of data and information distribution, a suite of CDROM/DVDs have been prepared for each of the WOCE Data Assembly Centers (DACs) and Specialized Analysis Centers (SACs). The first version was produced on CDROM in 1998, version 2.0 on CDROM in 2000, and the final series, Version 3.0, within a DVD set in 2002. The US National Oceanographic Data Center has provided the duplication and distribution service and is the final repository for the WOCE archive.

VERSION 1.0

Under the guidance of WOCE Data Products Committe (DPC), plans for the content of the CDROMs were established at the WOCE DPC-10 meeting held at Scripps in January, 1997. The preliminary CDROMs were reviewed at the DPC-11 meeting in Honolulu in January 1998. The CDROM, "WOCE Global Data, Version 1.0, 1998" was finalized in May 1998 and distributed at the WOCE Science Conference in Halifax, Nova Scotia at the end of the same month.

Each DAC/SAC used their own unique format for Version 1.0. HTML browsers were provided to facilitate navigation, visualization, and data access from the CDROM.

VERSION 2.0

At DCP-12, held at the British Oceanographic Data Center in April 1999, the concensus of the meeting was that a standardized format was desirable among the data types for distribution purposes. NetCDF was chosen as the WOCE format and the DAC/SACs began converging on parameter/attribute names and conventions. The DPC-13 meeting at Texas A&M University in April 2000 reviewed each CDROM and made final suggestions prior to production of Version 2.0 in late Spring 2000.

VERSION 3.0

At DPC-14, held at the US NODC in March 2001, plans were drawn up for the final WOCE data series for distribution. A strong theme for the last distribution set is data type integration. A Version 3.0 Integration Working Group was established, which met in November 2001. The results of their meeting were circulated to the DACs in December 2001 and final decisions on integration specifications were concurred at at the March 2002 DPC-15 meeting at CSIRO in Hobart, Australia. It was then decided that DVD media would be most advantageous for distribution. The final set, WOCE Global Data, Version 3.0, was subsequently produced in August 2002. Improvements include:

  • adoption of Cooperative Ocean/Atmosphere Research Data Service (COARDS) NetCDF protocols,
  • standardization of WOCE-dependent NetCDF global variables, such as EXPOCODE=,
  • better agreement among WOCE IDs and EXPOCODEs across DACs with cruise data (ADCP,DIU,WHPO,Meterology),
  • data type integration inventories and tools, and
  • additional data that were received by DACs since Version 2.0 production.