NSF NCAR Geoscience Data EXchange CSW Server CSW 2.0.2 NSF NCAR Geoscience Data EXchange NSF National Center for Atmospheric Research ServiceIdentification ServiceProvider OperationsMetadata Filter_Capabilities brief summary full hits results csw:Record CQL_TEXT CSW 2.0.2 XML dc:title dc:type dc:identifier dct:modified dct:abstract dc:subject dc:format csw:AnyText gml:Envelope EqualTo NotEqualTo LessThan GreaterThan LessThanEqualTo GreaterThanEqualTo Like