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U.S. Joint Global Ocean Flux Study U.S. JGOFS An Introduction

U.S. Joint Global Ocean Flux Study U.S. JGOFS An Introduction. Cyndy Chandler U.S. JGOFS Data Management Office December 2003. LTER ~ U.S. JGOFS Joint Workshop. snow day !. Topics in today’s presentation:. What is U.S. JGOFS? What is the DMO? the JGOFS DDMS U.S. JGOFS data server.

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U.S. Joint Global Ocean Flux Study U.S. JGOFS An Introduction

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  1. U.S. Joint Global Ocean Flux StudyU.S. JGOFSAn Introduction Cyndy Chandler U.S. JGOFS Data Management Office December 2003 LTER ~ U.S. JGOFS Joint Workshop U.S. JGOFS DMO

  2. snow day ! U.S. JGOFS DMO

  3. Topics in today’s presentation: • What is U.S. JGOFS? • What is the DMO? • the JGOFS DDMS • U.S. JGOFS data server U.S. JGOFS DMO

  4. What is U.S. JGOFS? U.S. Joint Global Ocean Flux Study • part of multinational JGOFS • long term (U.S. 1989-2005) • multidisciplinary (bio, chem, PO, geology) • process studies (U.S. 1989-1998), time-series, global surveys, synthesis and modeling, data management • investigate ocean carbon flux U.S. JGOFS DMO

  5. U.S. JGOFS Data Management Office (DMO) • formed in 1988 specifically to meet needs of U.S. JGOFS • assist PIs to submit their data to DMO • ongoing quality control of data • develop and maintain simple, reliable interface to program data • provide timely, easy access to project results • collaborate with other program DMO • publish U.S. JGOFS data reports • plan final archive of U.S. JGOFS information U.S. JGOFS DMO

  6. JGOFS Distributed Data Management System (DDMS) • distributed, object-oriented system • originally developed by Glenn Flierl, James Bishop, Satish Paranjpe, David Glover • supports multidisciplinary, multi-institutional data acquisition project • data storage format and location irrelevant • data interpreted by ‘methods’ U.S. JGOFS DMO

  7. U.S. JGOFS Data System Web Interface U.S. JGOFS DMO

  8. Data Listing • select dataset • select variable(columns) • select range(rows) • view metadata U.S. JGOFS DMO

  9. Live Access Server Interface provides access to synthesis and model results U.S. JGOFS DMO

  10. Live Access Server ~ LAS • LAS Development Team • Steve Hankin • Jon Callahan • Joe Sirott • located at UW/JISAO/NOAA University of Washington’s Joint Institute for the Study of the Atmosphere and Ocean and NOAA Pacific Environmental Laboratory U.S. JGOFS DMO

  11. Live Access Server Interface • configurable Web server • data and metadata interface • provides access to geo-referenced scientific data • presents distributed data sets as a unified virtual data base (DODS) • uses Ferret as the default visualization application • visualize data with on-the-fly graphics • request custom subsets of variables in a variety of file formats • access background reference material (metadata) • compare variables from distributed sources U.S. JGOFS DMO

  12. LAS enables a data server to … • unify access to multiple types of data in a single interface • create thematic data collections from distributed data sources • offer derived products on the fly • offer variety of visualization styles • customized for the data U.S. JGOFS DMO

  13. U.S. JGOFS LAS Interface • interface to data and metadata • data sub-selection (selections, projections) • multi-variable support • gridded vs. in-situ data differencing • multiple views • (property-property, depth horizon, cruise tracks, overplots) • multiple products (ps, gif, text, NetCDF) U.S. JGOFS DMO

  14. LAS v6select dataset andvariables U.S. JGOFS DMO

  15. LAS constraints • select dataset • select variable • set constraints select view (XYZT) select output type selections: lat/lon time depth range U.S. JGOFS DMO

  16. LAS output • select dataset • select variable • set constraints • output LAS U.S. JGOFS DMO

  17. Comparison Overlay Plot U.S. JGOFS DMO

  18. chlorophyll(May) shaded Nitrate (April)at 10 meters contours U.S. JGOFS DMO

  19. U.S. JGOFS web sitehttp://usjgofs.whoi.edu U.S. JGOFS DMO

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