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EPIC: Providing World Wide Web Access to Oceanographic Observations

EPIC: Providing World Wide Web Access to Oceanographic Observations. D.W. Denbo 1 , N.N. Soreide 2 , M.C. Spillane 1 , and W.H. Zhu 1. http://www.pmel.noaa.gov/epic/home.html. 1 Joint Institute for the Study of Ocean and Atmosphere, University of Washington, Seattle, WA,

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EPIC: Providing World Wide Web Access to Oceanographic Observations

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  1. EPIC: Providing World Wide Web Access to Oceanographic Observations D.W. Denbo1, N.N. Soreide2, M.C. Spillane1, and W.H. Zhu1 http://www.pmel.noaa.gov/epic/home.html 1Joint Institute for the Study of Ocean and Atmosphere, University of Washington, Seattle, WA, 2NOAA/Pacific Marine Environmental Laboratory, Seattle, WA

  2. Background • EPIC was developed at NOAA’s Pacific Marine Environmental Laboratory (PMEL) to manage hydrographic and time series oceanographic observational data sets. • EPIC Web tools • Basic web utilities to reduce development time • EPIC Web Browser provides easy access to on-line data • Java enhanced data selection creates an improved interface to the EPIC Web Browser http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  3. Web Utilities • EPIC utilities for creating dynamic Web pages include: • AnyURL - uses forms to point to static URLs (gif, mpeg animations, or other Web pages) • cover - dynamic generation of graphics or listings by running existing utilities from a Web page • clickable maps - cgi script translates mouse clicks on a map to a latitude-longitude rectangle • m2gif - convert Plot Plus output directly to gif format http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  4. EPIC Web Browser • Web application for viewing observational data by creating graphics and listings “on the fly”. • Uses a set of perl routines that generate HTML. Routines can be called as cgi scripts or from other perl scripts. • Uses EPIC Web utilities to provide functionality. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  5. Plot (T, S, Sigma-t, Ox) vs Pressure/Depth Plot Temperature vs Salinity Plot user-selected property vs Pressure/Depth Plot two user-selected Properties vs Pressure/Depth Plot Station Locations Plot Vertical Sections EPIC Web Browser Capabilities http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  6. EPIC Web Browser Capabilities (cont) • List data files in ASCII format • Download data file in binary (EPIC/netCDF) format • View meta-data/attributes of data file • Edit data file selection list • Download data file selection list http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  7. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  8. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  9. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  10. Java Tools Java Interface to EPIC data selection • Combines Java applets with existing HTML forms and cgi scripts. • Provides “point and click” interface to on-line databases from the Web. • Searches databases then starts the EPIC Web Browser. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  11. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  12. Java Tools (cont) Java-enhanced Interface to Real-time TAO Data • Interactive access to the most recent TAO data • Uses existing cgi scripts to generate buoy summary plots http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  13. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  14. Availability • EPIC is freely available and used at numerous oceanographic institutions • Woods Hole Oceanographic Institute • U.S. Geological Survey • Scripps Institution of Oceanography • etc ... • Available at: http://www.pmel.noaa.gov/epic/epic-toolkits.html • EPIC Home Page: http://www.pmel.noaa.gov/epic/home.html • EPIC Web Browser:http://www.epic.noaa.gov/epic/browser/browser_doc.html http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  15. References • Denbo, D.W., and N.N. Soreide, 1997: EPIC. Oceanography, 9(3), 189-190. • Denbo, D.W., S. Zube, D.C. McClurg, and N.N. Soreide, 1997: EPIC and TAO data access with Java applets. Proceedings of the 13th International Conference on Interactive Information and Processing Systems for Meteorology, Oceanography and Hydrology, AMS, 2-7 February 1997, Long Beach, CA, 182-183. • Renton, M.W., and N.N. Soreide, 1997: EPIC utilities for data access on the World Wide Web via forms. Proceedings of the 13th International Conference on Interactive Information and Processing Systems for Meteorology, Oceanography and Hydrology, AMS, 2-7 February 1997, Long Beach, CA, 441-443. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

  16. References (cont) • Zube, S., D.C. McClurg, N. Merati, M.W. Renton, T. Vance, and W.H. Zhu (1997): Live access to oceanographic databases on the World Web Web via the EPIC Web Browser. Proceedings of the 13th International Conference on Interactive Information and Processing Systems for Meteorology, Oceanography and Hydrology, AMS, 2-7 February 1997, Long Beach, CA, 184-186. http://www.pmel.noaa.gov/epic/home.html15th IIPS, Dallas, TX

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