Towards an increase of flash flood geomorphic effects due to gravel mining
and ground subsidence in Nogalte stream  (Murcia, SE Spain)

Ortega-Becerril, Jose Antonio; Garzón, Guillermina; Béjar-Pizarro, Marta; Martínez-Díaz, Jose Jesús

doi:https://doi.org/10.5194/nhess-16-2273-2016

Articles | Volume 16, issue 10

https://doi.org/10.5194/nhess-16-2273-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/nhess-16-2273-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 10

Research article

|

24 Oct 2016

Research article |

| 24 Oct 2016

Towards an increase of flash flood geomorphic effects due to gravel mining and ground subsidence in Nogalte stream (Murcia, SE Spain)

Jose Antonio Ortega-Becerril, Guillermina Garzón, Marta Béjar-Pizarro, and Jose Jesús Martínez-Díaz

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Final revised paper (published on 24 Oct 2016)
Preprint (discussion started on 25 Apr 2016)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'review_Ortega et al_2016', Anonymous Referee #1, 24 May 2016
- AC1: 'Response to referee #1', J. A. Ortega, 17 Jun 2016
RC2: 'Review', Xavier Rodriguez-Lloveras, 09 Jul 2016
- AC2: 'Response to referee #2', J. A. Ortega, 12 Jul 2016

Short summary

Human-induced changes in semi-arid regions could be responsible for modifications in ephemeral streams. Our results confirm that in-channel gravel mining and aquifer overexploitation over the last 50 years in the study area have changed the natural stability of the Nogalte stream and its geomorphic parameters. A comparison between flood events of the past and a recent one recorded in 2012 reveals changes and a new flooding pattern with a transition from an alluvial to a confined fluvial pattern.