Reiner Schlitzer Alfred Wegener Institute for Polar and Marine Research Ocean Data View and itsRole in SeaDatanet and its Role in SeaDatanet

Ocean Data View Software for easy access, interactive analysis and visualization of profile or sequence data. Available for Windows, Mac OS X, Linux, and UNIX. Available for Windows, Mac OS X, Linux, and UNIX. Freely available for research and teaching. Freely available for research and teaching. Supports native ODV collection format and netCDF. Supports native ODV collection format and netCDF. Maintains data quality flags. Maintains data quality flags. Reads and imports all major oceanographic data formats including: Reads and imports all major oceanographic data formats including: World Ocean Database (WOD) format, World Ocean Database (WOD) format, various WOCE formats and data types, various WOCE formats and data types, ARGO profile and trajectory formats, ARGO profile and trajectory formats, SD2 format, SD2 format, various spreadsheet formats. various spreadsheet formats.

Station Selection Build large data collections Apply selection criteria Analyze station subset

STATION Mode

SCATTER Mode

SECTION Mode

SURFACE Mode

Overlays

Vector Plots

Patches

Animations

Gazetteers

ODV Data Format optimized for variable length profiles/sequences (original data or data products) optimized for variable length profiles/sequences (original data or data products) binary format providing dense storage and fast data access binary format providing dense storage and fast data access support for data quality flags support for data quality flags expandable expandable platform-independent platform-independent can be used for many different data types can be used for many different data types Many important oceanographic and other geo-referenced datasets are available for download as ready-to-use ODV collections…

Oceanography – Historical Data Reid & Mantyla South Atlantic Ventilation Experiment (SAVE)

Oceanography - WOCE

Other – River Discharge Vorosmarty, Fekete, and Tucker (1018 stations)

ODV’s Role in SeaDatanet 1.Provide access to SeaDatanet datastreams for scientific use. [uses common exchange formats (JRA1), provides linkage between data centers and scientific community, possible once SeaDatanet datasets are available] 2.Use ODV for quality control within SeaDatanet data centers. [usesSeaDatanet QC procedures and flagging schemes (JRA1), requires automatic tools for export from and re-import into native databases, should be implemented early on] [uses SeaDatanet QC procedures and flagging schemes (JRA1), requires automatic tools for export from and re-import into native databases, should be implemented early on] 3.Use ODV for capacity building and training [conduct training courses (NA3) and teach basic data handling and quality assurance procedures] Integrate ODV into the SeaDatanet framework and use it as a common data manipulation and visualization tool.

Data Editing and Quality Control easy spotting and identification of outliers or offsets easy spotting and identification of outliers or offsets painless editing of data value and quality flag painless editing of data value and quality flag logging of all value or flag modifications logging of all value or flag modifications automatic range checks and manual or automatic editing automatic range checks and manual or automatic editing

Manual Data Editing and Quality Control

Automatic Range Checks and Outlier Removal

ODV Integration into Data Center Operations CoreDatabase