HR: 0800h
AN: SF31A-0706    [Abstracts]
TI: An Integrated Data Management System for Marine Geoscience Research
AU: * Arko, R A
EM: arko@ldeo.columbia.edu
AF: Lamont-Doherty Earth Observatory, 61 Route 9W, Palisades, NY 10964 United States
AU: Carbotte, S M
AF: Lamont-Doherty Earth Observatory, 61 Route 9W, Palisades, NY 10964 United States
AU: Chayes, D N
AF: Lamont-Doherty Earth Observatory, 61 Route 9W, Palisades, NY 10964 United States
AU: Ryan, W B
AF: Lamont-Doherty Earth Observatory, 61 Route 9W, Palisades, NY 10964 United States
AU: Haxby, W F
AF: Lamont-Doherty Earth Observatory, 61 Route 9W, Palisades, NY 10964 United States
AU: Lehnert, K A
AF: Lamont-Doherty Earth Observatory, 61 Route 9W, Palisades, NY 10964 United States
AU: O'Hara, S
AF: Lamont-Doherty Earth Observatory, 61 Route 9W, Palisades, NY 10964 United States
AB: The National Science Foundation is currently supporting dedicated databases for the Ridge 2000, MARGINS, and U.S. Antarctic Programs. We are developing an integrated Marine Geoscience Data Management System (MG-DMS; www.marine-geo.org) which supports the full range of data types for all of these programs. Construction of a single system allows us to consolidate our hardware, software, and system administration infrastructure; work more efficiently; and focus greater resources on developing a unified metadata schema, controlled vocabularies, and interoperability with other databases. We have developed a Web-based client which offers forms-based search and download capability, and a Java$^{TM}$ application (GeoMapApp; www.geomapapp.org) which offers map-based exploration of multiple data sets and the capability to create custom grids and images. The MG-DMS supports data from a wide variety of disciplines (biological, geological, and physical/chemical oceanographic); types (both physical samples and sensor data); spatial and temporal resolutions; and processing grades (from raw field data through derived products). Metadata records and controlled vocabularies are maintained locally in a central catalog, while the data files themselves are referenced as URLs and may reside in any partner repository. Our hierarchical metadata schema consists of Entries (typically a cruise, flight, or traverse); Dives (deployments of a daughter platform); Lines (survey transects); Stations (discrete survey locations, typically where physical samples are collected); Parameters (data types); and Arbitrary Digital Objects (data files). We are also developing a Lightweight Directory Access Protocol (LDAP)-based authentication system for proprietary data access and user profile management. We are pursuing data interoperability with partner repositories including the Ocean Floor Petrology Database (PetDB) at LDEO, Seismic Processed Data Center (SDC) at UTIG, Ocean Drilling Program Database (Janus) at TAMU, National Deep Submergence Facility (NDSF) at WHOI, Geological Data Center (GDC) at SIO, and National Geophysical Data Center (NGDC). Levels of interoperability range from URL referencing of remote data files (basic) to exchange of XML metadata records (intermediate) to Web Feature and Coverage Services (advanced).
UR: http://www.marine-geo.org
DE: 4500 OCEANOGRAPHY: PHYSICAL
DE: 4800 OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL
DE: 3000 MARINE GEOLOGY AND GEOPHYSICS
DE: 0400 Biogeosciences
DE: 1000 GEOCHEMISTRY (New field, replaces Rock Chemistry)
SC: Special Focus: Advances in Data Acquisition, Management, Analysis and Display [SF]
MN: 2004 AGU Fall Meeting