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Extreme Precipitation Variability and Soil Texture Controls on Water-Table Response
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Created: Dec 23, 2024 at 8:45 p.m. (UTC)
Last updated: Nov 13, 2025 at 11:15 p.m. (UTC)
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Abstract

Extreme precipitation events (EPEs), a key class of hydrometeorological extremes, are intensifying globally with climate change, yet their influence on water-table dynamics across soil textures remains poorly understood. To better understand the impacts of EPEs, we conducted one-dimensional modeling to evaluate water-table response time, displacement, recession time, and total recharge under EPEs of 0.20 m, 0.40 m, and 0.60 m amounts, applied over 1-, 7-, and 20-day durations across twelve soil textures. Results show that coarse soils (e.g., sand) respond within days, while fine soils (e.g., clay) may take over 200 days. Water-table displacement ranged from 0.30 - 1.64 m and increased with EPE magnitude. The time it took for water-tables to recede ranged from 1.2 - 3.0 years. Recharge, calculated from porosity and displacement, varied from 17% (clay) to 97% (sand), averaging ~63% of total EPE input. These findings highlight that recharge is primarily governed by EPE magnitude and soil properties, not event duration. This modeling effort provides new insight into how soil texture modulates groundwater response to extreme precipitation, informing future water budget and resilience assessments.

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Content

README.txt 

README 

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Extreme Precipitation Variability and Soil Texture Controls on Water-Table Response
Claudia R. Corona^1, Shemin Ge^1, Suzanne P. Anderson^1,2, Jesse E. Dickinson^3

1-University of Colorado, Boulder, Department of Geological Sciences, Boulder, CO USA
2-Institute of Arctic and Alpine Research, Boulder, CO, USA
3-U.S. Geological Survey, Tucson, AZ, USA

Correspondence to: Dr. Claudia R. Corona (claudia.corona@colorado.edu)

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This repository contains the following: 1) HYDRUS-1D (free software download at: https://www.pc-progress.com/en/Default.aspx?H1d-downloads) input and output data used to simulate subsurface conditions response to EPEs. The time variable BC table is explained in the excel file "Precip_rates_EPE". And 2) also included is the plot data for the water table fluctuation data used for Figures 3, 4, 5, and the recharge calculations used for Figure 6:

1) HYDRUS_1D_input_output_data_raw
2) Plot_data_Figures_3_4_5_6

*Please note: Figures 1 and 2 are illustrations and there is no plot data for them.

The HYDRUS-1D software may be freely downloaded at: https://www.pc-progress.com/en/Default.aspx?H1d-downloads.

If you use any of this data, please cite this HydroShare repository.

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For any questions or comments, please contact Dr. Claudia Corona at claudia.corona@colorado.edu

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Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Science Foundation, Division of Earth Sciences Dynamic Response of Watershed Subsurface System to Extreme Rainfall Events 1834290

How to Cite

Corona, C. R., S. Ge, S. P. Anderson, J. E. Dickinson (2025). Extreme Precipitation Variability and Soil Texture Controls on Water-Table Response, HydroShare, http://www.hydroshare.org/resource/1ddf63acf38047059b8085bcbdf4e4f7

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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