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Using Ocean Data View for EMODnet Chemistry Reiner Schlitzer

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Presentation on theme: "Using Ocean Data View for EMODnet Chemistry Reiner Schlitzer"— Presentation transcript:

1 Using Ocean Data View for EMODnet Chemistry Reiner Schlitzer
Alfred Wegener Institute for Polar and Marine Research

2 Upcoming major release ODV 5.0 (summer 2017)
Optimized importers (SDN importer 8x faster) Tab-based multi-view capability

3

4 Data Processing Pipeline
Import - File Aggregation Duplicates checks Export – (Parameter P35 Aggregation, Unit Conversions) Data QC Export of history/provenance records

5 File Import Metadata enrichment (imports all CDI fields provided via csv files) Imports instrument code and fall-rate information from data files Supports SDN netCDF files in addition to SDN/ODV txt files 64-bit ODV allows import of all SDN data files in one go

6 Duplicate Checks

7 P35 Parameter Aggregation
Source ODV collection must have been produced via option Import > SDN Formats using ODV or later Automatically downloads up-to-date versions of P35 vocab and conversion database

8 Unit Conversion Database

9 P35 aggregated variables
Other source variables not in any P35 variable

10 QC - Visual Quality Control
easy spotting and identification of outliers or offsets painless editing of data value and quality flag logging of all value or flag modifications

11 QC - Automatic Range Checks
full sample set sample sub-set

12 QC - QF Mass Assignments
all samples of many or all stations (initialization) all samples in a window all or some selected samples of current station current sample only

13 Using Quality Flag Filters
Before filtering After filtering

14 Provenance: Per-Station Data History
History information stays with station data when exporting to ODV spreadsheet or ODV collection.

15 Workshop Topics Import - File Aggregation Duplicates checks
Export – (Parameter P35 Aggregation, Unit Conversions) Data QC Export of history/provenance records


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