@article{fdi:010095090,
  title = {{R}echarge and dynamics of the {T}amanrasset alluvial aquifer ({A}lgerian {S}ahara)},
  author = {{H}adji-{S}aid, {S}. and {Z}eddouri, {A}. and {T}aupin, {J}ean-{D}enis and {P}atris, {N}icolas and {L}educ, {C}hristian},
  editor = {},
  language = {{ENG}},
  abstract = {{P}opulation growth and agricultural intensification are ever more demanding in water resources, and threaten their quality and quantity, especially in semi-arid and arid areas. {T}he {S}ahara desert is typical of these multiple constraints and rapid changes making sustainable management of water resources a major issue. {T}he wide regional aquifers have nearly fossil water. {I}n contrast, alluvial aquifers associated with small wadis are recharged nearly each year by the rare floods. {I}n the case of {W}adi {T}amanrasset, in southern {A}lgeria, the alluvial aquifer is exploited intensively because of its accessibility and its good chemical quality. {T}he physical conditions commanding flow and recharge of groundwater, and especially the transfer from surface to groundwater, were studied by combining hydrodynamics and isotopic tracers (18{O}, 2{H}). {M}onthly monitoring of groundwater level in around thirty wells was complemented by automatic recorders with hourly time steps since {M}arch 2016 in three wells, along a 600?m transect perpendicular to the wadi bed. {T}he slow response of the water table is visible only two months after the first flood; its maximum rise was 1?m in 2016. {I}sotopic analyses of rainwater on a daily time scale, of the wadi water on a 1?h time scale during runoff and of groundwater (two complete campaigns in the dry and wet seasons and a specific monitoring of the transect every month) have provided additional information on surface-groundwater transfer.},
  keywords = {{HYDRODYNAMIQUE} ; {ISOTOPE} ; {EAU} {DE} {SURFACE} ; {EAU} {SOUTERRAINE} ; {RESSOURCES} {EN} {EAU} ; {COURS} {D}'{EAU} ; {GESTION} {DE} {L}'{EAU} ; {RECHARGE} ; {ALGERIE} ; {SAHARA} ; {ZONE} {ARIDE} ; {TAMANRASSET} {COURS} {D}'{EAU}},
  booktitle = {},
  journal = {{P}roceedings of {IAHS}},
  volume = {385},
  numero = {},
  pages = {345--349},
  ISSN = {2199-899{X}},
  year = {2024},
  DOI = {10.5194/piahs-385-345-2024},
  URL = {https://www.documentation.ird.fr/hor/fdi:010095090},
}