HR: 16:00h
AN: IN54A-01    [Abstracts]
TI: Operational Data Management Within the IPY Framework, Relations to WIS and DAMOCLES
AU: * Godøy, \
EM: o.godoy@met.no
AF: Norwegian Meteorological Institute, P.O.Box 43, Blindern, OSLO, NO-0313, Norway
AB: The Norwegian Meteorological Institute (METNO) is hosting a data coordination service for operational data during IPY. Using WMO Information System technology, not only local datasets, but also remote datasets are visible and available for download by users if allowed by the data centre hosting them. It is the intention of METNO to add OGC services to the WIS-implementation chosen. With IPY services in mind METNO has evaluated a WIS demonstrator named SIMDAT which is being developed at the European Centre for Medium Range Weather Forecasting. The core part of the SIMDAT system is the catalogue node which exchanges data and metadata with other WIS implementations (e.g. CDP) and maintains a metadatabase of its own. The European Union sponsored project DAMOCLES is an IPY project, but preparations and development started before IPY requirements were clear. The main requirement when developing the data management system was that it should be a low cost solution leaving as much funding as possible to science. The basic implementation is using a PostGRES database for metadata and a data repository accessed also by HTTP/OpeNDAP. The metadatabase is automatically fed by extracting metadata from netCDF files following the CF standard. netCDF are used both for point/trajectory and gridded datasets. The implementation is quite similar to the one used by projects like MERSEA, Coriolis. The DAMOCLES data management portal provides standard search mechanisms quite similar to GCMD, direct linking of OpeNDAP objects, and output presentation configurable by the user. The latter is also available as two-way tables where e.g. data sets can be presented for various regions or topic categories. DAMOCLES and SEARCH is linked through a European Union Specific Support Action called SEARCH for DAMOCLES (S4D). Data management coordination between SEARCH and DAMOCLES through S4D relies on IPY data management mechanisms.
DE: 0525 Data management
SC: Earth and Space Science Informatics [IN]
MN: 2007 Fall Meeting