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Journal of Geodetic Science

Editor-in-Chief: Eshagh, Mehdi

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Inferring regional vertical crustal velocities from averaged relative sea level trends: A proof of concept

H. Bâki Iz
  • Corresponding author
  • Division of Geodetic Science, School of Earth Sciences, The Ohio State University, Columbus, Ohio, United States of America
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ C. K. Shum
  • Division of Geodetic Science, School of Earth Sciences, The Ohio State University, Columbus, Ohio, United States of America
  • State Key Laboratory of Geodesy and Earth’s Dynamics, Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan, Hubei 430077, China
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ C. Zhang
  • Division of Geodetic Science, School of Earth Sciences, The Ohio State University, Columbus, Ohio, United States of America
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ C. Y. Kuo
Published Online: 2017-05-11 | DOI: https://doi.org/10.1515/jogs-2017-0007


This study demonstrates that relative sea level trends calculated from long-term tide gauge records can be used to estimate relative vertical crustal velocities in a region with high accuracy. A comparison of the weighted averages of the relative sea level trends estimated at six tide gauge stations in two clusters along the Eastern coast of United States, in Florida and in Maryland, reveals a statistically significant regional vertical crustal motion of Maryland with respect to Florida with a subsidence rate of −1.15±0.15 mm/yr identified predominantly due to the ongoing glacial isostatic adjustment process. The estimate is a consilience value to validate vertical crustal velocities calculated from GPS time series as well as towards constraining predictive GIA models in these regions.

Keywords: Glacial isostatic adjustment; Global Positioning System; Sea level rise; Tide gauge; Vertical crustal motion


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About the article

Received: 2016-12-12

Accepted: 2017-03-29

Published Online: 2017-05-11

Published in Print: 2017-02-23

Citation Information: Journal of Geodetic Science, Volume 7, Issue 1, Pages 59–67, ISSN (Online) 2081-9943, DOI: https://doi.org/10.1515/jogs-2017-0007.

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© by H. Bâki Iz. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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