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the claim
Eustatic sea-level is measured from the center of the Earth.
the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against
Is it true that Eustatic sea-level is measured from the center of the Earth?
Yes. Eustatic and satellite-based sea-level measurements are tied to a geocentric reference frame originating at the center of the Earth.
Verdict: SUPPORTED · 2 sources for, 0 against · Last checked
The analysis
Geodetic and satellite altimetry studies standardly rely on geocentric reference systems (such as the International Terrestrial Reference Frame and center-of-mass frames) to determine global sea level and account for geocenter motion. Papers [0] and [8] directly support this methodological basis.
Evidence for · 2
The study utilizes a geocentric reference frame (ITRF) to measure absolute sea-level changes.
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Wöppelmann, G., Letetrel, C., Santamaria, A., Bouin, M., Collilieux, X., Altamimi, Z., Williams, S. D. P., & Miguez, B. M. (2009). Rates of sea‐level change over the past century in a geocentric reference frame. doi.org. https://doi.org/10.1029/2009gl038720
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More for · 1
The analysis explicitly accounts for geocenter motion because satellite orbit determination uses a center-of-mass reference frame.
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RD, R., BD, L., & V, Z. (2021). The mean seasonal cycle in relative sea level from satellite altimetry and gravimetry.. doi.org. https://doi.org/10.1007/s00190-021-01529-1
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Receipt History
first checked04 Aug 2026
judged → SUPPORTED · 8904 Aug 2026
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