@article{fdi:010062578, title = {{GIS}-based environmental database for assessing the mine pollution : a case study of an abandoned mine site in {M}orocco}, author = {{K}halil, {A}. and {H}anich, {L}. and {H}akkou, {R}. and {L}epage, {M}ichel}, editor = {}, language = {{ENG}}, abstract = {{M}orocco with important mining activities is increasingly concerned about impacts of mining on the environment. {I}n {M}orocco, there are approximately 200 abandoned mine sites which vary from small scale underground mines to large scale open-pit mines. {S}ome of these mines, with reactive tailings and waste rocks, are problematic. {I}ndeed, {A}cid {M}ine {D}rainage ({AMD}) pollution from abandoned mines is responsible for soil and water contamination, land resources degradation, changes in landscapes, habitat destruction and human health hazards. {I}n the current case study about the abandoned {K}ettara mine site, the impact of the old mining activity is assessed by the design and elaboration of an environmental database which will be supported by {G}eographic {I}nformation {S}ystem ({GIS}) technology. {T}his database includes multidisciplinary data related to geochemistry, hydrochemistry, hydrology, land cover, geology and climates. {T}he current research demonstrated the efficiency of integrating multidisciplinary data and using {GIS} technologies when assessing the environmental impact of abandoned mines and forecasting how the pollution is occurred. {T}he obtained results show that in addition to the soil, the surface water and groundwater of the {K}ettara mine are also contaminated by pollutants which were previously released from mine wastes by {AMD} action. {T}he sulphate content and the {E}lectrical {C}onductivity ({EC}) of the surface water and groundwater are high. {T}he average values for surface water are: sulphate approximate to 7920 mg/{L} and {EC} approximate to 256851 mu {S}/cm. {H}owever, in groundwater they are: sulphate approximate to 2088 mg/{L} and {EC} approximate to 631 mu {S}/cm. {T}hese values exceed the guidelines for drinking water quality prescribed by the {W}orld {H}ealth {O}rganization ({WHO}) 600 mg/{L} and 1500 mu {S}/cm for sulphate and {EC} respectively. {T}he developed {GIS} based environmental database will serve as a reference study for other abandoned mine sites. {F}inally, it will be employed for the establishment of a web-based {GIS} {D}ecision {S}upport {S}ystem which will assist decision makers in assessing and monitoring the occurred mine pollution.}, keywords = {{E}nvironmental database ; {GIS} ; {R}emote sensing ; {D}ecision making ; {A}cid {M}ine ; {D}rainage ; {K}ettara abandoned mine ; {MAROC}}, booktitle = {}, journal = {{J}ournal of {G}eochemical {E}xploration}, volume = {144}, numero = {{SI}}, pages = {468--477}, ISSN = {0375-6742}, year = {2014}, DOI = {10.1016/j.gexplo.2014.03.023}, URL = {https://www.documentation.ird.fr/hor/fdi:010062578}, }