Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 23, issue 4
Articles | Volume 23, issue 4
https://doi.org/10.5194/hess-23-2187-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-23-2187-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 4
Research article
 | 
30 Apr 2019
Research article |  | 30 Apr 2019

Spatial and temporal variability of groundwater recharge in a sandstone aquifer in a semiarid region

Ferdinando Manna, Steven Murray, Daron Abbey, Paul Martin, John Cherry, and Beth Parker

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Short summary
To constrain water fluxes in the subsurface capable of transporting contaminants we assessed the amount of water that moves from surface to groundwater on a plateau near Los Angeles. We found that on average only 16 mm (4 %) of precipitation becomes groundwater annually. However, values vary from 0 to >1000 mm yr−1 due to topography, vegetation and surface geology. The flux is not steady over the year but happens episodically at the end of the wet season or after exceptional precipitation events.
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