1. Data portal technology standards and protocols involved

2. Metadata OAI PMH (open archive initiative) as a protocol for harvesting metadata http://www.openarchives.org/OAI/open archiveprotocol.html http://www.openarchives.org/OAI/open archiveprotocol.html And/or Open Geospatial Consortium Catalogue Service is supported as well

3. Metadata description standards DIF ( Directory Interchange Format) GCMD standard for exchanging information http://ioc.unesco.org/oceanteacher/Oc eanTeacher2/02_InfTchSciCmm/02_M eta/06_MetaStds&Form/dif/difguide7 b.pdf

4. Geospatial metadata standards ISO 19115 http://www.iso.org/iso/en/CatalogueDet ailPage.CatalogueDetail?CSNUMBER=26 020

5. Parameter catalogue ISO 19110 as a feature catalogue http://www.iso.org/iso/en/CatalogueDet ailPage.CatalogueDetail?CSNUMBER=26 020

6. Portal software panFMP PANGAEA Framework for Metadata Portals Java based portal software which supports every XML format Open Source software available through SourceForge http://www.panfmp.org/

7. WDC-MARE Producers Dissemination Longterm data archiving & publishing facilities Yellowish parts to be implemented. Existing parts are blue/green Data Exchange Formats (XML,Text) RDBs File based archiving GCMD – Global Change Master Directory Community Related projects, data efforts, institutes Offline products (CD / DVD) EUR-OCEANS, CARBOOCEANS – integrated data management COPEPOD NODC? BODC? … Aquisition, processing & editorial systems EUR- OCEANS portal DOI registry library catalogues www.pangaea.de (e.g. IODP, GCMD) other portals CDIAC (WDC) WS Catalog Ifremer WS Catalog