Articles | Volume 21, issue 4
Research article
19 Apr 2017
Research article |  | 19 Apr 2017

A water risk index for portfolio exposure to climatic extremes: conceptualization and an application to the mining industry

Luc Bonnafous, Upmanu Lall, and Jason Siegel


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 minor revisions (further review by Editor) (15 Feb 2017) by Stefan Uhlenbrook
AR by Anna Mirena Feist-Polner on behalf of the Authors (01 Mar 2017)  Author's response
ED: Publish as is (16 Mar 2017) by Stefan Uhlenbrook
Short summary
While water-risk management plans for economic assets are the norm on a local basis, it is possible that there is correlation in the climate induced portfolio water risk across operational sites. Therefore, from an investor's perspective, a need exists for a water risk index that allows for an exploration of the possible space and/or time clustering in exposure across many sites. This paper represents an attempt to develop such an index using long daily global modelled rainfall data sets.