Articles | Volume 21, issue 9
Hydrol. Earth Syst. Sci., 21, 4495–4516, 2017
https://doi.org/10.5194/hess-21-4495-2017

Special issue: Observations and modeling of land surface water and energy...

Hydrol. Earth Syst. Sci., 21, 4495–4516, 2017
https://doi.org/10.5194/hess-21-4495-2017

Research article 11 Sep 2017

Research article | 11 Sep 2017

Necessary storage as a signature of discharge variability: towards global maps

Kuniyoshi Takeuchi and Muhammad Masood

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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) (01 Jan 2017) by Murugesu Sivapalan
AR by Kuniyoshi Takeuchi on behalf of the Authors (19 Mar 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (01 Apr 2017) by Murugesu Sivapalan
RR by Anonymous Referee #2 (24 Apr 2017)
RR by Anonymous Referee #4 (05 May 2017)
ED: Reconsider after major revisions (further review by Editor and Referees) (05 May 2017) by Murugesu Sivapalan
AR by Kuniyoshi Takeuchi on behalf of the Authors (11 Jul 2017)  Author's response    Manuscript
ED: Publish subject to technical corrections (27 Jul 2017) by Murugesu Sivapalan
AR by Kuniyoshi Takeuchi on behalf of the Authors (01 Aug 2017)  Author's response    Manuscript
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Short summary
There are many global maps of hydrology and water resources, but none on necessary storage to smooth out discharge variability. This paper provides a methodology to create such a map, taking the Ganges–Brahmaputra–Meghna basin as an example. Necessary storage is calculated by a new method, intensity–duration–frequency curves of flood and drought (FDC–DDC). Necessary storage serves as a signature of hydrological variability and its geographical distribution provides new insights for hydrology.