Articles | Volume 20, issue 6
Research article
17 Jun 2016
Research article |  | 17 Jun 2016

A meta-analysis and statistical modelling of nitrates in groundwater at the African scale

Issoufou Ouedraogo and Marnik Vanclooster


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 (Editor review) (12 May 2016) by Thomas Kjeldsen
AR by Ouedraogo Issoufou on behalf of the Authors (20 May 2016)  Author's response    Manuscript
ED: Publish as is (25 May 2016) by Thomas Kjeldsen
Short summary
In this paper, we present a meta-analysis of nitrate contamination in groundwater at the pan-African scale. A nitrate data set is constructed based on publications in the web of sciences, and combined with high-resolution generic spatial environmental attributes. A statistical model explains 65 % of the variation of nitrate contamination in groundwater in terms of generic spatial attributes. Nitrate contamination of groundwater at the pan-African scale is mainly affected by population density.