Articles | Volume 22, issue 7
Research article
20 Jul 2018
Research article |  | 20 Jul 2018

Water ages in the critical zone of long-term experimental sites in northern latitudes

Matthias Sprenger, Doerthe Tetzlaff, Jim Buttle, Hjalmar Laudon, and Chris Soulsby


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (02 Jun 2018) by Nunzio Romano
AR by Doerthe Tetzlaff on behalf of the Authors (06 Jun 2018)  Author's response    Manuscript
ED: Publish as is (24 Jun 2018) by Nunzio Romano
Short summary
We estimated water ages in the upper critical zone with a soil physical model (SWIS) and found that the age of water stored in the soil, as well as of water leaving the soil via evaporation, transpiration, or recharge, was younger the higher soil water storage (inverse storage effect). Travel times of transpiration and evaporation were different. We conceptualized the subsurface into fast and slow flow domains and the water was usually half as young in the fast as in the slow flow domain.