Details
| Original language | English |
|---|---|
| Title of host publication | Together Again for Geodesy - Proceedings of the General Assembly of the International Association of Geodesy, 2023 |
| Editors | Jeffrey T. Freymueller, Laura Sánchez |
| Publisher | Springer Science and Business Media Deutschland GmbH |
| Pages | 323-330 |
| Number of pages | 8 |
| ISBN (electronic) | 978-3-031-91167-5 |
| ISBN (print) | 9783031911668 |
| Publication status | Published - 11 Jul 2025 |
| Event | International Union of Geodesy and Geophysics General Assembly, IUGG 2023 - Messe Berlin, CityCube, Berlin, Germany Duration: 12 Jul 2023 → 20 Jul 2023 Conference number: 28 https://www.iugg2023berlin.org/ |
Publication series
| Name | International Association of Geodesy Symposia |
|---|---|
| Volume | 157 |
| ISSN (Print) | 0939-9585 |
| ISSN (electronic) | 2197-9359 |
Abstract
Global sea level shows an increasing trend for several decades driven mainly by climate change. Absolute Sea Level (ASL) changes can only be extracted from Relative Sea Level (RSL) measurements with proper reduction of vertical land movements of the bench marks. Atomic clocks at those tide gauges can potentially provide the absolute, near real-time physical height change. High-performance clocks with an uncertainty of 10−18 enable a height measurement with 1 cm accuracy. As RSL is related to regional tidal datums, one has to account for the local variations to obtain a globally consistent measurement of ASL. Hence, by incorporating land motion from clock observations, one can establish a consistent and uniform reference datum for assessing geoid-based absolute sea level changes worldwide.
Keywords
- Absolute sea level, Atomic clocks, Physical height, Relative sea level, Relativistic geodesy
ASJC Scopus subject areas
- Earth and Planetary Sciences(all)
- Geophysics
- Earth and Planetary Sciences(all)
- Computers in Earth Sciences
Sustainable Development Goals
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Together Again for Geodesy - Proceedings of the General Assembly of the International Association of Geodesy, 2023. ed. / Jeffrey T. Freymueller; Laura Sánchez. Springer Science and Business Media Deutschland GmbH, 2025. p. 323-330 (International Association of Geodesy Symposia; Vol. 157).
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Vision of a Clock-Based Network for Absolute Sea Level Monitoring
AU - Vincent, Asha
AU - Müller, Jürgen
N1 - Conference code: 28
PY - 2025/7/11
Y1 - 2025/7/11
N2 - Global sea level shows an increasing trend for several decades driven mainly by climate change. Absolute Sea Level (ASL) changes can only be extracted from Relative Sea Level (RSL) measurements with proper reduction of vertical land movements of the bench marks. Atomic clocks at those tide gauges can potentially provide the absolute, near real-time physical height change. High-performance clocks with an uncertainty of 10−18 enable a height measurement with 1 cm accuracy. As RSL is related to regional tidal datums, one has to account for the local variations to obtain a globally consistent measurement of ASL. Hence, by incorporating land motion from clock observations, one can establish a consistent and uniform reference datum for assessing geoid-based absolute sea level changes worldwide.
AB - Global sea level shows an increasing trend for several decades driven mainly by climate change. Absolute Sea Level (ASL) changes can only be extracted from Relative Sea Level (RSL) measurements with proper reduction of vertical land movements of the bench marks. Atomic clocks at those tide gauges can potentially provide the absolute, near real-time physical height change. High-performance clocks with an uncertainty of 10−18 enable a height measurement with 1 cm accuracy. As RSL is related to regional tidal datums, one has to account for the local variations to obtain a globally consistent measurement of ASL. Hence, by incorporating land motion from clock observations, one can establish a consistent and uniform reference datum for assessing geoid-based absolute sea level changes worldwide.
KW - Absolute sea level
KW - Atomic clocks
KW - Physical height
KW - Relative sea level
KW - Relativistic geodesy
UR - http://www.scopus.com/inward/record.url?scp=105017367862&partnerID=8YFLogxK
U2 - 10.1007/1345_2024_265
DO - 10.1007/1345_2024_265
M3 - Conference contribution
AN - SCOPUS:105017367862
SN - 9783031911668
T3 - International Association of Geodesy Symposia
SP - 323
EP - 330
BT - Together Again for Geodesy - Proceedings of the General Assembly of the International Association of Geodesy, 2023
A2 - Freymueller, Jeffrey T.
A2 - Sánchez, Laura
PB - Springer Science and Business Media Deutschland GmbH
T2 - International Union of Geodesy and Geophysics General Assembly, IUGG 2023
Y2 - 12 July 2023 through 20 July 2023
ER -