Originally from CUAHSI HIS ODM CV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=VerticalDatumCV.
North American Vertical Datum of 1988
NAVD88
Australian Height Datum. Height datum used for standardised elevations across Australia. The datum surface is defined as that which passes through mean sea level at the 30 specified tide gauges and through points at zero AHD height vertically below the other basic junction points.
AHD
See http://www.ga.gov.au/scientific-topics/positioning-navigation/geodesy/geodetic-datums/australian-height-datum-ahd
A vocabulary for describing vertical datums. Vertical datums are used in ODM2 to specify the origin for elevations assocated with SamplingFeatures.
ODM2 Elevation Datum Controlled Vocabulary
ODM2 Working Group
EGM96
EGM96 (Earth Gravitational Model 1996) is a geopotential model of the Earth consisting of spherical harmonic coefficients complete to degree and order 360.
See https://en.wikipedia.org/wiki/EGM96
Mean Sea Level
MSL
Originally from CUAHSI HIS ODM CV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=VerticalDatumCV.
National Geodetic Vertical Datum of 1929
Originally from CUAHSI HIS ODM CV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=VerticalDatumCV.
NGVD29
The vertical datum is unknown
Originally from CUAHSI HIS ODM CV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=VerticalDatumCV.
Unknown