Articles | Volume 14, issue 2
Ocean Sci., 14, 187–204, 2018
https://doi.org/10.5194/os-14-187-2018
Ocean Sci., 14, 187–204, 2018
https://doi.org/10.5194/os-14-187-2018

Research article 15 Mar 2018

Research article | 15 Mar 2018

A comparison of methods to estimate vertical land motion trends from GNSS and altimetry at tide gauge stations

Marcel Kleinherenbrink et al.

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Cited articles

Andres, M., Gawarkiewicz, G. G., and Toole, J. M.: Interannual sea level variability in the western North Atlantic: Regional forcing and remote response, Geophys. Res. Lett., 40, 5915–5919, 2013.
Blewitt, G., Kreemer, C., Hammond, W. C., and Gazeaux, J.: MIDAS robust trend estimator for accurate GPS station velocities without step detection, J. Geophys. Res.-Sol. Ea., 121, 2054–2068, https://doi.org/10.1002/2015JB012552, 2016.
Bos, M. S., Fernandes, R. M. S., Williams, S. D. P., and Bastos, L.: Fast error analysis of continuous GNSS observations with missing data, J. Geodesy, 87, 351–360, 2013a.
Bos, M. S., Williams, S. D. P., Araújo, I. B., and Bastos, L.: The effect of temporal correlated noise on the sea level rate and acceleration uncertainty, Geophys. J. Int., 196, 1423–1430, 2013b.
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Short summary
Tide gauges observe sea level changes, but are also affected by vertical land motion (VLM). Estimation of absolute sea level requires a correction for the local VLM. VLM is either estimated from GNSS observations or indirectly by subtracting tide gauge observations from satellite altimetry observations. Because altimetry and GNSS observations are often not made at the tide gauge location, the estimates vary. In this study we determine the best approach for both methods.