Groundwater storage dynamics in the world's large aquifer systems from GRACE: uncertainty and role of extreme precipitation

Shamsudduha, Mohammad; Taylor, Richard G.

doi:https://doi.org/10.5194/esd-11-755-2020

Articles | Volume 11, issue 3

https://doi.org/10.5194/esd-11-755-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/esd-11-755-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 11, issue 3

Research article

| Highlight paper

|

27 Aug 2020

Research article | Highlight paper |

| 27 Aug 2020

Groundwater storage dynamics in the world's large aquifer systems from GRACE: uncertainty and role of extreme precipitation

Mohammad Shamsudduha and Richard G. Taylor

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Final revised paper (published on 27 Aug 2020)
Supplement to the final revised paper
Preprint (discussion started on 09 Sep 2019)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Comment on Groundwater storage dynamics in the world's large aquifer systems from GRACE', Marc Bierkens, 02 Jan 2020
- AC1: 'Response to Reviewer 1 (Professor Marc Bierkens)', Mohammad Shamsudduha, 12 Mar 2020
RC2: 'Comment on Groundwater storage dynamics in the world's large aquifer systems from GRACE: uncertainty and role of extreme precipitation', Soumendra Bhanja, 13 Feb 2020
- AC2: 'Response to Reviewer 2 (Dr Soumendra Bhanja)', Mohammad Shamsudduha, 12 Mar 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Reconsider after major revisions (08 Apr 2020) by Richard Betts

AR by Mohammad Shamsudduha on behalf of the Authors (28 Apr 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (29 May 2020) by Richard Betts

RR by Soumendra Bhanja (07 Jun 2020)

RR by Marc Bierkens (13 Jun 2020)

ED: Publish as is (06 Jul 2020) by Richard Betts

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Short summary

Recent assessments of the sustainability of global groundwater resources using the Gravity Recovery and Climate Experiment (GRACE) satellites assume that the underlying trends are linear. Here, we assess recent changes in groundwater storage (ΔGWS) in the world’s large aquifer systems using an ensemble of GRACE datasets and show that trends are mostly non-linear. Non-linearity in ΔGWS derives, in part, from the episodic nature of groundwater replenishment associated with extreme precipitation.