ITRF2020
E857609
ITRF2020 is a high-precision global geodetic reference frame used to define accurate positions and motions on the Earth’s surface for applications such as navigation, mapping, and Earth science.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Global geodetic reference frame
ⓘ
Terrestrial reference frame ⓘ |
| abbreviationOf | International Terrestrial Reference Frame 2020 NERFINISHED ⓘ |
| alignedWith | Earth’s center of mass for the whole Earth system ⓘ |
| axesDefinition |
Origin at Earth’s center of mass
ⓘ
X-axis pointing to the IERS reference meridian ⓘ Y-axis completing right-handed system ⓘ Z-axis aligned with mean rotation axis of the Earth ⓘ |
| characterizedBy |
Station positions
ⓘ
Station velocities ⓘ |
| coordinateSystemType | Earth-centered Earth-fixed ⓘ |
| definedIn | Cartesian coordinates ⓘ |
| developedBy | International Earth Rotation and Reference Systems Service NERFINISHED ⓘ |
| epochDefinition | Positions given at epoch 2020.0 with linear and non-linear motion models ⓘ |
| follows | ITRF2014 NERFINISHED ⓘ |
| frameType | Conventional terrestrial reference frame ⓘ |
| improvesUpon |
ITRF2014 station positions
ⓘ
ITRF2014 station velocities ⓘ |
| includes | Non-linear station motion models for some sites ⓘ |
| maintainedBy | IERS ITRS Center NERFINISHED ⓘ |
| partOf | International Terrestrial Reference Frame series NERFINISHED ⓘ |
| precisionLevel |
Millimeter-level for station positions
ⓘ
Sub-millimeter per year for velocities ⓘ |
| realizedBy |
DORIS stations
NERFINISHED
ⓘ
Global network of GNSS stations ⓘ Satellite Laser Ranging stations NERFINISHED ⓘ Very Long Baseline Interferometry stations ⓘ |
| referenceEpoch | 2020.0 ⓘ |
| referenceFrameRealization | Set of station coordinates and velocities estimated from space geodetic data ⓘ |
| referenceSystem | International Terrestrial Reference System NERFINISHED ⓘ |
| supports | Combination of multiple space geodetic techniques ⓘ |
| supportsApplications |
Crustal deformation monitoring
ⓘ
Earth orientation parameter determination ⓘ Global navigation satellite systems ⓘ Space geodesy ⓘ |
| timeDependent | true ⓘ |
| usedAsReferenceFor |
GNSS reference frames such as IGS realizations
ⓘ
Regional and national reference frames ⓘ |
| usedFor |
Earth science applications
ⓘ
Geophysical research ⓘ High-precision positioning ⓘ Mapping ⓘ Monitoring tectonic plate motion ⓘ Navigation ⓘ Sea level change studies ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.