Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 26, issue 13
Articles | Volume 26, issue 13
https://doi.org/10.5194/hess-26-3629-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-26-3629-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 13
Research article
 | 
13 Jul 2022
Research article |  | 13 Jul 2022

Exploring river–aquifer interactions and hydrological system response using baseflow separation, impulse response modeling, and time series analysis in three temperate lowland catchments

Min Lu, Bart Rogiers, Koen Beerten, Matej Gedeon, and Marijke Huysmans

Data sets

WateRinfo: Download time series data from waterinfo.be S. Van Hoey https://github.com/ropensci/wateRinfo

Model code and software

RRAWFLOW: Rainfall-Response Aquifer and Watershed Flow Model US Geological Survey https://www.usgs.gov/centers/dakota-water/science/rrawflow-rainfall-response-aquifer-and-watershed-flow-model?qt-science_center_objects=7#qt-science_center_objects

FlowScreen: Daily Streamflow Trend and Change Point Screening, R package version 1.2.6 J. Dierauer and P. Whitfield https://CRAN.R-project.org/package=FlowScreen

EcoHydRology: A community modeling foundation for Eco-Hydrology, R package version 0.4.12 D. R. Fuka, M. T. Walter, J. A. Archibald, T. S. Steenhuis, and Z. M. and Easton https://github.com/cran/EcoHydRology

DVstats: Functions to manipulate daily-values data, R package version 0.3.4 D. Lorenz https://github.com/USGS-R/DVstats

WateRinfo: Download time series data from waterinfo.be S. Van Hoey https://github.com/ropensci/wateRinfo

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Short summary
Lowland rivers and shallow aquifers are closely coupled. We study their interactions here using a combination of impulse response modeling and hydrological data analysis. The results show that the lowland catchments are groundwater dominated and that the hydrological system from precipitation impulse to groundwater inflow response is a very fast response regime. This study also provides an alternative method to estimate groundwater inflow to rivers from the perspective of groundwater level.
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