Articles | Volume 28, issue 12
https://doi.org/10.5194/hess-28-2767-2024
https://doi.org/10.5194/hess-28-2767-2024
Technical note
 | 
28 Jun 2024
Technical note |  | 28 Jun 2024

Technical note: Removing dynamic sea-level influences from groundwater-level measurements

Patrick Haehnel, Todd C. Rasmussen, and Gabriel C. Rau

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Cited articles

Bakker, M. and Schaars, F.: Solving Groundwater Flow Problems with Time Series Analysis: You May Not Even Need Another Model, Groundwater, 57, 826–833, https://doi.org/10.1111/gwat.12927, 2019. a, b
Barlow, P. M.: Ground water in freshwater-saltwater environments of the Atlantic coast, Circular 1262, US Geological Survey, Reston, https://doi.org/10.3133/cir1262, 2003. a
Boon, J. D.: Secrets of the Tide: Tide and Tidal Current Analysis and Applications, Storm Surges and Sea Level Trends, Woodhead Publishing, Cambridge, https://doi.org/10.1016/B978-1-904275-17-6.50011-2, 2011. a, b
Brookfield, A. E., Stotler, R. L., and Reboulet, E. C.: Interpreting Temporal Variations in River Response Functions: An Example from the Arkansas River, Kansas, USA, Hydrogeol. J., 25, 1271–1282, https://doi.org/10.1007/s10040-017-1545-9, 2017. a, b
Butler Jr., J. J., Jin, W., Mohammed, G. A., and Reboulet, E. C.: New Insights from Well Responses to Fluctuations in Barometric Pressure, Groundwater, 49, 525–533, https://doi.org/10.1111/j.1745-6584.2010.00768.x, 2011. a, b, c
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Short summary
While groundwater recharge is important for water resources management, nearshore sea levels can obscure this signal. Regression deconvolution has previously been used to remove other influences from groundwater levels (e.g., barometric pressure, Earth tides) by accounting for time-delayed responses from these influences. We demonstrate that it can also remove sea-level influences from measured groundwater levels.
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