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@ARTICLE{Diouf:909898,
      author       = {Diouf, Ousmane Coly and Sarr, Hameth Khassim and Diedhiou,
                      Mathias and Weihermüller, Lutz and Dieng, Ndeye Maguette
                      and Faye, Seynabou Cissé and Vereecken, Harry and Faye,
                      Serigne},
      title        = {{G}roundwater {Q}uality for {I}rrigation {P}urposes in the
                      {D}iass {H}orst {S}ystem in {S}enegal},
      journal      = {Water},
      volume       = {14},
      number       = {19},
      issn         = {2073-4441},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2022-03506},
      pages        = {3002},
      year         = {2022},
      abstract     = {Due to surface water scarcity and variability in rainwater
                      events in the Thies region, Senegal, farmers mostly rely on
                      groundwater resources to improve yield production, although
                      water quality in the hydrosystem and its suitability may be
                      an issue. The objective of this study is to evaluate
                      suitability of the Maastrichtian and Paleocene aquifers
                      located the central western part of Senegal in the Thies
                      region for irrigation purposes. For this purpose, chemical
                      analyses were carried out on the major ions on the
                      Maastrichtian and Paleocene aquifers through a network of 62
                      sample locations (39 from the Maastrichtian and 23 from the
                      Paleocene) sampled in June 2019. Different water suitability
                      assessment indices were used to evaluate the potential for
                      irrigation, including sodium absorption ration (SAR),
                      percentage of sodium $(Na\%),$ permeability index, Kelly
                      ratio (RK), and salinity potential (SP) together with Wilcox
                      and USSL diagrams as methods. The results indicate, that the
                      Ca-Mg-HCO3 water type is dominant in the Maastrichtian
                      aquifer, while in the Paleocene aquifer, HCO3-Ca-Mg and
                      Cl-Ca-Mg are the main water types. The combination of these
                      computed index values indicates that the percentage of
                      suitable water for irrigation purposes accounts for $89.7\%$
                      and $86.9\%$ of the samples for the Maastrichtian and the
                      Paleocene aquifers, respectively. On the other hand, water
                      samples unsuitable for irrigation purposes range between
                      only $10.3\%$ and $13.1\%$ for the two aquifers},
      cin          = {IBG-3},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000867377600001},
      doi          = {10.3390/w14193002},
      url          = {https://juser.fz-juelich.de/record/909898},
}