Articles | Volume 23, issue 4
https://doi.org/10.5194/hess-23-2187-2019
https://doi.org/10.5194/hess-23-2187-2019
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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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (30 Jan 2019) by Marnik Vanclooster
AR by Ferdinando Manna on behalf of the Authors (13 Mar 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (27 Mar 2019) by Marnik Vanclooster
RR by Anonymous Referee #2 (15 Apr 2019)
ED: Publish as is (16 Apr 2019) by Marnik Vanclooster
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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.