GENESIS: co-location of geodetic techniques in space

Media type: Text; E-Article

Title: GENESIS: co-location of geodetic techniques in space

Contributor: Delva, Pacôme [Author]; Altamimi, Zuheir [Author]; Blazquez, Alejandro [Author]; Blossfeld, Mathis [Author]; Böhm, Johannes [Author]; Bonnefond, Pascal [Author]; Boy, Jean-Paul [Author]; Bruinsma, Sean [Author]; Bury, Grzegorz [Author]; Chatzinikos, Miltiadis [Author]; Couhert, Alexandre [Author]; Courde, Clément [Author]; Dach, Rolf [Author]; Dehant, Véronique [Author]; Dell’Agnello, Simone [Author]; Elgered, Gunnar [Author]; Enderle, Werner [Author]; Exertier, Pierre [Author]; Glaser, Susanne [Author]; Haas, Rüdiger [Author]; Huang, Wen [Author]; Hugentobler, Urs [Author]; Jäggi, Adrian [Author]; Karatekin, Ozgur [Author]; [...]

imprint: Heidelberg : Springer, 2023

Issue: published Version

Language: English

DOI: https://doi.org/10.15488/15417; https://doi.org/10.1186/s40623-022-01752-w

Keywords: Navigation ; Reference systems ; Geodesy ; Space geodetic techniques ; Positioning ; GENESIS satellite ; Geophysics ; Metrology

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Description: Improving and homogenizing time and space reference systems on Earth and, more specifically, realizing the Terrestrial Reference Frame (TRF) with an accuracy of 1 mm and a long-term stability of 0.1 mm/year are relevant for many scientific and societal endeavors. The knowledge of the TRF is fundamental for Earth and navigation sciences. For instance, quantifying sea level change strongly depends on an accurate determination of the geocenter motion but also of the positions of continental and island reference stations, such as those located at tide gauges, as well as the ground stations of tracking networks. Also, numerous applications in geophysics require absolute millimeter precision from the reference frame, as for example monitoring tectonic motion or crustal deformation, contributing to a better understanding of natural hazards. The TRF accuracy to be achieved represents the consensus of various authorities, including the International Association of Geodesy (IAG), which has enunciated geodesy requirements for Earth sciences. Moreover, the United Nations Resolution 69/266 states that the full societal benefits in developing satellite missions for positioning and Remote Sensing of the Earth are realized only if they are referenced to a common global geodetic reference frame at the national, regional and global levels. Today we are still far from these ambitious accuracy and stability goals for the realization of the TRF. However, a combination and co-location of all four space geodetic techniques on one satellite platform can significantly contribute to achieving these goals. This is the purpose of the GENESIS mission, a component of the FutureNAV program of the European Space Agency. The GENESIS platform will be a dynamic space geodetic observatory carrying all the geodetic instruments referenced to one another through carefully calibrated space ties. The co-location of the techniques in space will solve the inconsistencies and biases between the different geodetic techniques in order to reach the TRF ...

Access State: Open Access

GENESIS: co-location of geodetic techniques in space - [published Version]

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