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WOD code table: Definition_of_Quality_Flags

(1) FLAGS FOR ENTIRE CAST (AS A FUNCTION OF VARIABLE)
0accepted cast
1failed annual standard deviation check
2two or more density inversions ( Levitus; 1982 criteria )
3flagged cruise
4failed seasonal standard deviation check
5failed monthly standard deviation check
6failed annual and seasonal standard deviation check
7bullseye from standard level data or failed annual and monthly standard deviation check
8failed seasonal and monthly standard deviation check
9failed annual; seasonal and monthly standard deviation check
(2) FLAGS ON INDIVIDUAL OBSERVATIONS
(a) Depth Flags
0accepted value
1duplicates or inversions in recorded depth ( same or less than previous depth )
2density inversion
(b) Observed Level Flags
0accepted value
1range outlier ( outside of broad range check )
2failed inversion check
3failed gradient check
4observed level bullseye flag and zero gradient check
5combined gradient and inversion checks
6failed range and inversion checks
7failed range and gradient checks
8failed range and questionable data checks
9failed range and combined gradient and inversion checks
(c) Standard Level Flags
0accepted value
1bullseye marker
2density inversion
3failed annual standard deviation check
4failed seasonal standard deviation check
5failed monthly standard deviation check
6failed annual and seasonal standard deviation check
7failed annual and monthly standard deviation check
8failed seasonal and monthly standard deviation check
9failed annual; seasonal and monthly standard deviation check
(d) Biological data flags (applied only to Comparable Biological Value - CBV Taxa code 27)
0accepted value
1range outlier ( outside of broad range check )
2questionable value (bullseye flag )