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GISC DWD

Markus Heene, DWD markus.heene@dwd.de. GISC DWD. GISC DWD - Timeline. 05/2010 First preoperational GISC in WIS 09/2010 Endorsement ET-GDDP 11/2010 CBS Recommendation 05/2011 Designation from WMO CG XVI 09/2011 Operations. GISC DWD - Services. Discover Access and Retrieval

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GISC DWD

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  1. Markus Heene, DWD markus.heene@dwd.de GISC DWD

  2. GISC DWD - Timeline 05/2010 First preoperational GISC in WIS 09/2010 Endorsement ET-GDDP 11/2010 CBS Recommendation 05/2011 Designation from WMO CG XVI 09/2011 Operations

  3. GISC DWD - Services Discover Access and Retrieval Flexible Subscription Services Time triggered Event triggered Metadata Editor Hosting WIS Centre

  4. Contributions to WIS DWD participates several ETs, ICG, … Released Metadata catalogue performance study to community  Geonetwork improvements Shared results of DAR Metadata analysis with WIS community Active member of jOAI community DAR Metadata Generator Released SRU2JDBC in co-operation with WMO as Open Source http://sru2jdbc.svn.sourceforge.net/ AFD (Automatic File Distributor) flexible Open Source distribution software http://www.dwd.de/AFD/ Contribute expert for WIS Jump Start Offer Support WMO WIS Branch with staff

  5. GISC DWD Connected DCPC ECMWF EUMETSAT Arctic Data Centre (met.no) DKRZ AWI DLR ESA (Italy) …

  6. Workflow – Connect DCPC – Metadata Exchange

  7. Workflow- Details Step 1 Kick-off: Workshop, Telephone Conference, Conversation Exchange Details: Scope of DCPC, WIS, Roles and Responsibility, … GISC provides WIS documentation DCPC provides ISO 19139 conform DAR Metadata Step 2 Check DAR Metadata GISC validates Metadata record (ISO 19139) GISC imports Metadata record Granularity: 100 or 1.000.000 Metadata records ? Necessary Elements: fileIdentifier and dateStamp (required for update but not ISO 19139 mandatory) Check Online Resource Check WMO recommendations

  8. Workflow- Details Step 3: GISC explains implemented procedures for Metadata exchange OAI – standard for GISC to GISC Metadata exchange DCPC provides OAI Server Address and OAI Set Name GISC configures harvesting procedure FTP – optional exchange procedure for DCPC or NC Agree on push or pull – exchange server and account details Agree on delete procedure Step 4: Test exchange procedure – functional tests Use Cases: Create, Update, Delete Metadata Record OAI Incremental Harvesting – time attribute Delete Operation – is optional according to OAI Spec FTP Test agreed delete Procedure

  9. Workflow- Details Step 5 Operation test-phase Integration of DCPC into OAI test bed Bulk tests Check robustness and reliability Step 6 Operation phase if all tests passed and communication established

  10. Q&A

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