Field Definitions are Available Here
Collection
varstring(255)
Mandatory if applicable
The means used to encode depths.
Explicit depth coordinate included with horizontal coordinates
DepthDatumName, DepthDistanceUnits, DepthResolution
Explicit depth coordinate included with horizontal coordinates
Must be used with DepthDatumName, DepthDistanceUnits, DepthResolution.
METADATA > COLLECTIONMETADATA > Spatial > CoordinateSystemContainer > VerticalCoordinateSystemContainer > DepthSystemDefinition.DepthEncodingMethod
See also CD_VerticalDatum and CD_VerticalDatumType in 19111 /gmi:MI_Metadata/gmd:referenceSystemInfo/gmd:MD_ReferenceSystem/gmd:referenceSystemIdentifier/gmd:RS_Identifier/gmd:code
Spatial Information