Converter
separation between geoid and ellipsoid · Geodesy · Modern scientific
geoid height
exact
- Record
- M605
- Definition quality
- Standardized
- Conversion mode
- formula
- Calculator
- Formula-based
Definition
Geoid height is the modeled separation between the reference ellipsoid and geoid at a location.
Reference value
geoid height converts through a formula rather than a simple multiplier.
History & use
NOAA uses geoid models to transform between ellipsoidal and orthometric height systems.
Modern use
Modern use is context-dependent and varies by region or measurement system.
Sources & evidence
Source tier — · confidence high
- David B. Zilkoski, Edward E. Carlson, Curtis L. Smith; NOAA National Geodetic Survey — https://www.ngs.noaa.gov/PUBS_LIB/NGS592008069FINAL2.pdf
- Kevin Ahlgren, Galen Scott, David Zilkoski, Brian Shaw, Nagendra Paudel; NOAA National Geodetic Survey — https://geodesy.noaa.gov/library/pdfs/NOAA_TR_NOS_NGS_0072.pdf