@article{fdi:010090512,
  title = {{G}roundwater potential zone mapping by combining remote sensing, modified {DRASTIC} method and field data for {B}idou {I}, {S}outh {C}ameroon},
  author = {{N}jikeu, {O}. and {F}eumba, {R}. and {T}chouta, {K}. {D}. and {D}eschamps, {P}ierre and {N}gatcha, {B}. {N}.},
  editor = {},
  language = {{ENG}},
  abstract = {{A}ssessment of groundwater resources in southern {C}ameroon by remote sensing techniques is almost non-existent, and therefore limit knowledge on the groundwater potential in {C}ameroon. {T}his work aims to delineate groundwater potential zones ({GWPZ}) in {B}idou {I}, made up of metasedimentary rocks. {T}o achieve this work, interpretation of {L}andsat 8 {OLI}/{TIRS} collection_2, {L}evel_2 and {SRTM} images coupled with fieldworks and climatic data was done. {A} total of 2,370 lineaments were mapped ranging between 60 and 4498 m, with an average of 525 +/- 420 m for a total length of 1244 km. {E}ight lithological types were identified showing three phases of deformation. {T}wo major fractures ({N}-{S} and {WNW}-{ESE}) cross-cutting each other were identified and can be filled by quartzite injections bearing sulphides. {T}he major directions of fractures are consistent with those of the {K}ribi-{C}ampo shear zone. {T}his clearly demonstrates that groundwater flowing directions lie between {N}330 degrees-{N}045 degrees {E} with an average direction {N}010 degrees {E}, corresponding to the recharge direction of almost all frequently renewed aquifers. {T}he stock variation ({D}elta {R}i) equivalent to the effective recharge from 1991 to 2021 implies an effective infiltration of about 10% of the total rainfall in the region (2957.0 mm/year). {T}he pores filtration rates vary from 0.5 x 10-9 to 11.0 x 10-9 m/s with an average of 2.5 x 10-9 m/s depending on the state of the rock (fractured or weathered). {S}oils, slopes, geological, geomorphological, drainage density and lineament density maps were realized for the study area leading to a reference map of {GWPZ} showing five classes (very poor, poor, moderate, good and very good), obtained by assigning a fixed weight and a score to each layer, calculated from {DRASTIC} model modified, using weighted overlay analysis ({WOA}) tool. {T}hese maps can help for drilling programs as well as sustainable groundwater management in the area, mining prospecting mission and for a better interpretation of geological structures from the field.},
  keywords = {{S}atellite images ; {M}etasedimentary rocks ; {M}odified {DRASTIC} method and ; {WOA} ; {G}roundwater potential zones ; {B}idou {I} ({S}outh {C}ameroon) ; {CAMEROUN}},
  booktitle = {},
  journal = {{S}ustainable {W}ater {R}esources {M}anagement},
  volume = {10},
  numero = {2},
  pages = {100 [23 ]},
  ISSN = {2363-5037},
  year = {2024},
  DOI = {10.1007/s40899-024-01031-4},
  URL = {https://www.documentation.ird.fr/hor/fdi:010090512},
}