Thu Apr 10, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Haines, B., Bertiger, W., Desai, S., Ellmer, M., Heflin, M., Kuang, D., Lanyi, G., Naudet, C., Peidou, A., Ries, P., Sibois, A., and Wu, X., 2024. A Global Combination of Geodetic Techniques at the Observation Level: New Perspectives on the Terrestrial Reference Frame. Journal of Geophysical Research (Solid Earth), 129(12):2024JB029527, doi:10.1029/2024JB029527.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2024JGRB..12929527H,
author = {{Haines}, B. and {Bertiger}, W. and {Desai}, S. and {Ellmer}, M. and {Heflin}, M. and {Kuang}, D. and {Lanyi}, G. and {Naudet}, C. and {Peidou}, A. and {Ries}, P. and {Sibois}, A. and {Wu}, X.},
title = "{A Global Combination of Geodetic Techniques at the Observation Level: New Perspectives on the Terrestrial Reference Frame}",
journal = {Journal of Geophysical Research (Solid Earth)},
keywords = {terrestrial reference frame, GNSS, SLR, VLBI, gravity, sea level},
year = 2024,
month = dec,
volume = {129},
number = {12},
pages = {2024JB029527},
abstract = "{We describe the development and assessment of a new terrestrial
reference frame (TRF) based on a combination of geodetic
techniques at the observation level over the period
2010{\textendash}2022. Included in the solution are observations
from the Global Positioning System (GPS), Satellite Laser
Ranging (SLR) and Very Long Baseline Interferometry (VLBI). A
key feature of our solution strategy is the use of space ties in
low-Earth orbit to connect SLR to GPS. Though the resulting TRF
solution is based on only 12.6 years of data, it is competitive
with the international (ITRF2020) standard in terms of
fundamental frame parameters (origin and scale) and their
temporal evolution, both linear and seasonal. The relative rates
of origin (3D) and scale (at Earth's surface) are 0.2 mm
yr$^{-1}$ and 0.1 mm yr$^{-1}$ respectively. Absolute scale and
3D origin (at epoch 2015.0) both differ by 2{\textendash}3 mm.
In addition to station positions and velocities, our combined
solution includes Earth orientation parameters (EOP), low-degree
zonal coefficients (J2 and J3) of the geopotential and precise
orbit solutions for all participating satellites (GPS, GRACE and
GRACE Follow-on tandems, Jason 2 and 3, and LAGEOS 1 and 2). We
discuss potential benefits of our solution strategy and
characterize the impacts of our new TRF on estimates of
geocenter motion and sea level change from satellite altimetry.}",
doi = {10.1029/2024JB029527},
adsurl = {https://ui.adsabs.harvard.edu/abs/2024JGRB..12929527H},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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