Quality Flag System 2019-11-21T09:14:08.312Z Quality flags are specified according to WaterML2 (quality flag URL: http://www.opengis.net/def/waterml/2.0/quality/) WaterML2 waterML2.0 Quality flags are specified according to another system Other quality flagging system other Quality flags are specified according to BUFR table 0 33 020 (quality flag URL: http://codes.wmo.int/bufr4/codeflag/0-33-020) WMO BUFR table 0 33 020 bufr033020 2 Quality Flag System Quality flagging system not known unknown unknown