Elevation Datum Vocabulary
A vocabulary for describing vertical datums. Vertical datums are used in ODM2 to specify the origin for elevations assocated with SamplingFeatures.
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.
EGM96 (Earth Gravitational Model 1996) is a geopotential model of the Earth consisting of spherical harmonic coefficients complete to degree and order 360.
Mean Sea Level
North American Vertical Datum of 1988
National Geodetic Vertical Datum of 1929
The vertical datum is unknown
This material is based upon work supported by the National Science Foundation under Grants 1224638 and 1332257.
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s)
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