World Ocean Database: code tables

WOD code table: Definition_of_Quality_Flags

(1) FLAGS FOR ENTIRE CAST (AS A FUNCTION OF VARIABLE)
0	accepted cast
1	failed annual standard deviation check
2	two or more density inversions ( Levitus; 1982 criteria )
3	flagged cruise
4	failed seasonal standard deviation check
5	failed monthly standard deviation check
6	failed annual and seasonal standard deviation check
7	bullseye from standard level data or failed annual and monthly standard deviation check
8	failed seasonal and monthly standard deviation check
9	failed annual; seasonal and monthly standard deviation check

(2) FLAGS ON INDIVIDUAL OBSERVATIONS

(a) Depth Flags
0	accepted value
1	duplicates or inversions in recorded depth ( same or less than previous depth )
2	density inversion

(b) Observed Level Flags
0	accepted value
1	range outlier ( outside of broad range check )
2	failed inversion check
3	failed gradient check
4	observed level bullseye flag and zero gradient check
5	combined gradient and inversion checks
6	failed range and inversion checks
7	failed range and gradient checks
8	failed range and questionable data checks
9	failed range and combined gradient and inversion checks

(c) Standard Level Flags
0	accepted value
1	bullseye marker
2	density inversion
3	failed annual standard deviation check
4	failed seasonal standard deviation check
5	failed monthly standard deviation check
6	failed annual and seasonal standard deviation check
7	failed annual and monthly standard deviation check
8	failed seasonal and monthly standard deviation check
9	failed annual; seasonal and monthly standard deviation check

(d) Biological data flags (applied only to Comparable Biological Value - CBV Taxa code 27)
0	accepted value
1	range outlier ( outside of broad range check )
2	questionable value (bullseye flag )