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MGDS Project Overview and Sample Metadata (Arko)1 of 18SESAR–IGSN Workshop (February 26-27, 2007) PROJECT TEAM: Joyce Alsop * Robert Arko Suzanne Carbotte.

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Presentation on theme: "MGDS Project Overview and Sample Metadata (Arko)1 of 18SESAR–IGSN Workshop (February 26-27, 2007) PROJECT TEAM: Joyce Alsop * Robert Arko Suzanne Carbotte."— Presentation transcript:

1 MGDS Project Overview and Sample Metadata (Arko)1 of 18SESAR–IGSN Workshop (February 26-27, 2007) PROJECT TEAM: Joyce Alsop * Robert Arko Suzanne Carbotte (lead) Dale Chayes John Diebold Vicki Ferrini Andrew Goodwillie * Kerstin Lehnert Andrew Melkonian Suzanne O’Hara William Ryan R.A. Weissel MGDS PROJECT OVERVIEW AND SAMPLE METADATA

2 MGDS Project Overview and Sample Metadata (Arko)2 of 18SESAR–IGSN Workshop (February 26-27, 2007) OUTLINE 1.PROJECT OVERVIEW 2.CURRENT HOLDINGS 3.DATA MODEL 4.METADATA SUBMISSION 5.CHALLENGES

3 MGDS Project Overview and Sample Metadata (Arko)3 of 18SESAR–IGSN Workshop (February 26-27, 2007) OVERVIEW: MISSION STATEMENT Design and maintain an integrated data repository for MG&G communities: Ridge 2000 Program MARGINS Program U.S. Antarctic Program Legacy - Multibeam Synthesis Seismic Reflection Joint funding from NSF OCE + EAR + OPP

4 MGDS Project Overview and Sample Metadata (Arko)4 of 18SESAR–IGSN Workshop (February 26-27, 2007) OVERVIEW: SCOPE AND PARTNERS Data from marine and terrestrial realms Data from all disciplines - biological, physical, chemical, geological Project partners: WHOI (Ridge 2000 Program) TAMU (MARGINS Program) RPSC (U.S. Antarctic Program) NGDC, CCOM (Legacy - Multibeam Synthesis) UTIG (Seismic Reflection) Collaborative partners: DLESE (education modules) MMI (community/ontology development) SESAR (sample registration)

5 MGDS Project Overview and Sample Metadata (Arko)5 of 18SESAR–IGSN Workshop (February 26-27, 2007) OVERVIEW: SCIENTIFIC RATIONALE Ensure ability to verify research results Preserve expensive/unique/unrepeatable data Supplement traditional publication methods Facilitate cross-disciplinary research Increase data availability to non-specialists Enable automated analysis + synthesis

6 MGDS Project Overview and Sample Metadata (Arko)6 of 18SESAR–IGSN Workshop (February 26-27, 2007) OVERVIEW: SYSTEM COMPONENTS PRODUCTS Metadata catalog (1500+ collections) Data repository (210,000+ files total 5+ TB - partnership with SDSC) Global syntheses (e.g. multi-resolution DEM) SERVICES Web portals (search + download) GeoMapApp® (integrate + visualize data from multiple sources) Web services (OAI, OGC, etc.)

7 MGDS Project Overview and Sample Metadata (Arko)7 of 18SESAR–IGSN Workshop (February 26-27, 2007) CURRENT HOLDINGS: SOLID EARTH SAMPLES 50 NEW DATA SETS OVER 3500 SAMPLES (growing rapidly…)

8 MGDS Project Overview and Sample Metadata (Arko)8 of 18SESAR–IGSN Workshop (February 26-27, 2007) MULTIPLE WEB PORTALS TO SERVE DIFFERENT COMMUNITIES : SINGLE INTEGRATED DATABASE BACKEND DATA MODEL:

9 MGDS Project Overview and Sample Metadata (Arko)9 of 18SESAR–IGSN Workshop (February 26-27, 2007) DATA MODEL: COLLECTION (registration = ?) Field Observatory Expedition Derived SET (registration = STD-DOI) group of data objects having common provenance OBJECT (registration = IGSN) Data File Real-time Processed Sample COLLECTION SET OBJECT

10 MGDS Project Overview and Sample Metadata (Arko)10 of 18SESAR–IGSN Workshop (February 26-27, 2007) DATA MODEL: COLLECTION METADATA related collections collection aliases (at other repositories) platform/operator funding agency/awards project titles/urls science party (field + lab personnel) lat/lon bins location (physio features, place names) supporting documents (cruise reports etc.) references (citations)

11 MGDS Project Overview and Sample Metadata (Arko)11 of 18SESAR–IGSN Workshop (February 26-27, 2007) DATA MODEL: ACQUISITION EVENTS 1.LAUNCH (independent, navigated) daughter platforms e.g. Submersible, Drone, Small Boat 2.LINE (navigated) towed platforms e.g. Camera, MCS, TowYo 3.STATION (only start/stop) lowered platforms e.g. Core, Grab, CTD, BLISP towed platforms e.g. Dredge, Net deployed platforms e.g. OBS, Marker, Float, Probe Events can be nested (e.g. Dive > Station)

12 MGDS Project Overview and Sample Metadata (Arko)12 of 18SESAR–IGSN Workshop (February 26-27, 2007) DATA MODEL: SAMPLE METADATA collection_id sample_id sample_name (investigator’s pet name) parent_id data_type (e.g. “Rock Sample”) sample_type (e.g. “Igneous: Volcanic: Mafic”) launch_id line_id station_id ---> station_type (e.g. “Bottom: Towed”) + station_platform (e.g. “Dredge”) start_date start_longitude/latitude/elevation stop_date stop_longitude/latitude/elevation navfix_type local_origin/units (e.g. for dive programs) start_local_x/y stop_local_x/y location_id (physiographic feature) tectonic_setting (e.g. “Back-Arc Basin”) investigator_id contact_id contributor_id repository_id (holds authoritative metadata) facility_id (holds physical sample) other/details

13 MGDS Project Overview and Sample Metadata (Arko)13 of 18SESAR–IGSN Workshop (February 26-27, 2007) DATA MODEL: CONTROLLED VOCABULARIES (both types and identifiers) collection_id collection_type data_type device_type dive_type feature_id feature_type format_id initiative_id language_id launch_platform_type launch_type line_platform_type line_type location_id nav_type organization_id person_id platform_id platform_type role_id role_type station_platform_type station_type status_id (and still growing…)

14 MGDS Project Overview and Sample Metadata (Arko)14 of 18SESAR–IGSN Workshop (February 26-27, 2007) METADATA SUBMISSION: POLICY Records made public immediately: people/projects/awards primary navigation catalog of acquisition events catalog of data sets catalog of samples

15 MGDS Project Overview and Sample Metadata (Arko)15 of 18SESAR–IGSN Workshop (February 26-27, 2007) METADATA SUBMISSION: FORMS 1.Contact chief scientist in advance - designate science party liaison 2.Follow up with liaison (60 days) 3.Register/submit data sets to appropriate partner repositories

16 MGDS Project Overview and Sample Metadata (Arko)16 of 18SESAR–IGSN Workshop (February 26-27, 2007) METADATA SUBMISSION: FORMS Example: Sediment Cores (based on LDEO Repository log sheet)

17 MGDS Project Overview and Sample Metadata (Arko)17 of 18SESAR–IGSN Workshop (February 26-27, 2007) CHALLENGES: 1.Metadata form submission completeness consistent identifiers and formats 2.Globally unique identifiers 3.Evolving/shared vocabularies Physiographic Feature (gazetteer + local features e.g. Vents) Tectonic Setting Sample Type (domain specific) Station Platform/Type

18 MGDS Project Overview and Sample Metadata (Arko)18 of 18SESAR–IGSN Workshop (February 26-27, 2007) Questions? _____________ marine – geo.org

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