| Variable   | Optional Constraint #1
   | Optional Constraint #2
   | Minimum   or a List of Values
   | Maximum   
 | 
  | time (time of measurements, UTC)   |  |  |  |  | 2022-12-21T12:00:00Z | 2024-03-09T12:00:00Z | 
  |         |  | 
  | TIME_QC (quality flag)   |  |  |  |  |  | 
  | POSITION_QC (Position quality flag)   |  |  |  |  |  | 
  | depth (depth of measurements, m)   |  |  |  |  | -3.0 | 1000.0 | 
  |         |  | 
  | DEPTH_QC (quality flag)   |  |  |  |  |  | 
  | ATMS (hPa)   |  |  |  |  | 875.0 | 1032.0 | 
  | ATMS_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | DOX1 (Dissolved oxygen, ml l-1)   |  |  |  |  | -2.60129 | 96.0089 | 
  | DOX1_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | DRYT (degree_C)   |  |  |  |  | -5.0 | 19.6 | 
  | DRYT_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | FLU2 (mg m-3)   |  |  |  |  | 0.0 | 10.0 | 
  | FLU2_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | GDIR (degree)   |  |  |  |  | 0.0 | 360.0 | 
  | GDIR_QC (quality flag)   |  |  |  |  | 1 | 9 | 
  | GSPD (Gust wind speed, m s-1)   |  |  |  |  | 0.0 | 18.77 | 
  | GSPD_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | HCDT (degree)   |  |  |  |  | 0.0 | 359.864 | 
  | HCDT_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | HCSP (Horizontal current speed, m s-1)   |  |  |  |  | 0.0 | 3.0 | 
  | HCSP_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | PRES (Sea pressure, decibar)   |  |  |  |  | 0.0 | 8417.55 | 
  | PRES_QC (quality flag)   |  |  |  |  | 1 | 9 | 
  | PSAL (Practical salinity, 0.001)   |  |  |  |  | 35.0 | 40.0 | 
  | PSAL_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | TEMP (Sea temperature, degree_C)   |  |  |  |  | 10.0 | 32.0 | 
  | TEMP_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | TUR4 (Turbidity, 1)   |  |  |  |  | 0.0 | 10.0 | 
  | TUR4_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | VHM0 (m)   |  |  |  |  | 0.0 | 6.71875 | 
  | VHM0_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | VMDR (degree)   |  |  |  |  | 0.0 | 352.969 | 
  | VMDR_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | VTM02 (s)   |  |  |  |  | 0.0 | 8.78906 | 
  | VTM02_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | VTPK (s)   |  |  |  |  | 0.0 | 12.7734 | 
  | VTPK_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | VZMX (m)   |  |  |  |  | 0.0 | 10.4688 | 
  | VZMX_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | WDIR (degree)   |  |  |  |  | 0.0 | 359.0 | 
  | WDIR_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | WSPD (Horizontal wind speed, m s-1)   |  |  |  |  | 0.0 | 16.71 | 
  | WSPD_QC (quality flag)   |  |  |  |  | 1 | 4 | 
  | preciseLat (degrees_north)   |  |  |  |  | 25.0 | 36.9165 | 
  | preciseLon (degrees_east)   |  |  |  |  | -10.0 | 21.6948 | 
  | GPS_POSITION_QC (quality flag)   |  |  |  |  |  | 
  | station_name (Identifier, Not applicable)   |  |  |