National Coastal Data Development Center Status of OPeNDAP at NCDDC 11 September 2003 Susan Starke, Chief of IT Operations
NCDDC MISSION The National Coastal Data Development Center has the mission to simplify and provide the Nation with expanded, timely access to available coastal environmental data. 9/5/ of 9
Data Discovery Web Metadata Search Capability MERMAid – Metadata management system Data Access/Delivery NVODS Gateway Various output formats (NetCDF, Shapefile) OPeNDAP delivery mechanism Discovery/Access Connection 9/5/ of 9
Web Metadata Search Capability 9/5/ of 9
9/5/ of 9 Metadata Enterprise Resource Management Aid (MERMAid) Management Features Organize metadata Regulate workflow Store supplemental information Operate “standalone” in the field & synchronize Capabilities Generate FGDC Standard & Biological Profile & Shoreline Records Enhanced validation / continuous validation Import existing FGDC records in XML format Export records in XML, TXT or HTML via “save as” Contents of records stored as generic objects in OODB - Offers ease of crosswalk implementation Robust “Help” functions - FGDC Standards & Workbook contents incorporated
Flexible Metadata Construction Tools 5/30/ of 9
OPeNDAP Application NVODS Server NVODS Gateway GoMOOS TABS Gateways NDBC COOPS more Various Output Formats Shapefile (ESRI ArcIMS) NetCDF file (Archive) NCDDC Next NetCDF file Non-OPeNDAP Application Other Data Sources Data Access/Delivery 5/30/ of 9
Discovery/Access Connection NCDDC uses metadata to make this connection NVODS lacks data discovery dynamic one built and incorporated it into the gateway (issue with real-time data) IOOS Plans Task: Explore existing technologies capable of linking metadata-based searches to points of data and product access. This effort must address the dynamic nature of the points of data access... (Part II Metadata/Data Discovery Requirement 7, Milestone 1) 9/5/ of 9
Summary Data Discovery & Metadata Data Access/Delivery NVODS and Other Data Sources Various output formats ASCII, Native, Shapefile, NetCDF Delivery protocols IIOP, http, (OPeNDAP) Discovery/Access Connection 9/5/ of 9