KODCKOREA OCEANOGRAPHIC
DATA CENTER

NIFS Serial Oceanographic Observation

QC information

QC flag information

KODC assigns QC flags to the observation data based on UNESCO/IOC’s recommended ocean data standards.
QC flag information
QC Flag Meaning Definition
1 Good Passed documented required QC tests
2 Not evaluated, not available or unknown Used for data when no QC test performed or the information on quality is not available
3 Questionable/suspect Failed non-critical documented metric or subjective test(s)
4 Bad Failed critical documented QC test(s) or as assigned by the data provider
9 Missing data Used as place holder when data are missing
Reference
Paris. Intergovernmental Oceanographic Commission of UNESCO. 2013.Ocean Data Standards,
Vol.3: Recommendation for a Quality Flag Scheme for the Exchange of Oceanographic and Marine
Meteorological Data. (IOC Manuals and Guides, 54, Vol. 3.) 12 pp. (English.)(IOC/2013/MG/54-3)