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A Climate Data Portal Focused on realtime and retrospective in situ data

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  1. A Climate Data PortalFocused on realtime and retrospective in situ data Nancy Soreide, Don Denbo, Willa Zhu, NOAA/PMEL Charles Sun, NOAA/NODC Bernie Kilonsky, U of Hawaii Oceans 2001 Nov 15-18, 2001, Honolulu, HI

  2. A Climate Data PortalOverview • Objective: • Unified, networked access to geographically distributed data from Observing Systems and Historical Data Archives (focus on in situ data) • Method: • Integrate several new, modern and proven, off-the-shelf network-based applications and technology developments • CORBA/Java RMI Data Server • Interactive, Java Scientific Graphics Toolkit • Interactive Java tools selecting data from large in situ data collections - 4dEdit Java utility • LDAP Directory Services • XML Automated metadata generation tool • Collaborative tool environment • Dual access: • Web and desktop Java application • Web help and tutorial

  3. Network Climate Data Portal One or more Web Servers User Data Servers Web Browser Java Servlet CORBA/DOT* Client Support Network TAO data support Data Graphics CORBA/DOT* CORBA/DOT* PMEL in-situ data Data Java Application CORBA/DOT* UHi Sea Level Data Data CORBA/DOT* CORBA/DOT* NODC Archive Data Data Web: http://www.epic.noaa.gov/cdp/ Java application: ftp://www.epic.noaa.gov/java/CDPclient/install.html

  4. In situ Data collections • Data presently available: • TAO El Nino buoy data (realtime) – PMEL • Global sea level data (realtime) – University of Hawaii • Global Temperature-Salinity Profile Program (GTSPP) – NODC • PMEL hydrographic data collection – PMEL • Data in progress: • WOCE hydrographic data – Scripps Institution of Oceanography • Intl. Pacific Research Center in-situ collection –University of Hawaii • WOCE Acoustic Doppler Current Profiler data– University of Hawaii • Marine Environmental Data Service (MEDS) Canada • Future plans: • ARGO profiling float data • WOCE/CLIVAR data • DODS proxy server - selected DODS datasets

  5. A Climate Data PortalFeatures • Uniform network access • to distributed observational datasets • Sophisticated Java tools • for subsetting large, irregular, in situ data collections • Data fusion and data download • From a desktop Java application or the web • Modern, scalable off-the-shelf components • Open Source Java, CORBA, LDAP, XML • Free and low maintenance • Extensible • Scalable • Extensible to satellite, gridded products, model results • Poised to utilize new networking technology (e.g.,network Quality of Service, Collaboration) • Significant technology spin-offs already realized

  6. Subsetting tool Selecting a multi-segment section line • Linked windows • Show map view • Show any 2d view • Select in any window • Method: • Overlay bathymetry • Overlay coastlines • Selection tools • Box • Polygon • Multi-segment line – user settable width

  7. Browsing data locations in time 1986-1991 1990 1987

  8. Subsetting tool Selecting a section line in a time window

  9. Interactive Java data fusion • Ocean Profiles • NODC GTSPP • Silver Spring • PMEL TAO • Seattle • PMEL CTD • Seattle • Metadata available

  10. Metadata available

  11. Interactive Web data fusion • Ocean Profiles • NODC GTSPP • Silver Spring • PMEL TAO • Seattle • Metadata available

  12. Metadata available

  13. Technology spin-offs See NOAA Tech 2002 agenda for presentations • ncBrowse • A Graphical netCDF File Browser • http://www.epic.noaa.gov/java/ncBrowse/ • SGT • Scientific Graphics Toolkit for creating interactive graphics applications • http://www.epic.noaa.gov/java/sgt/index.html • NdEdit • Interactive tool for graphically selecting and subsetting large in-situ data collections • http://www.epic.noaa.gov/epic/software/JavaNdedit.htm • Collaboration tools for Fisheries-Oceanography • OceanShare, http://www.epic.noaa.gov/collab/