{ "currentVersion": 11.5, "cimVersion": "3.5.0", "serviceDescription": "La carte « Ressources en eaux souterraines dans la région de la CEDEAO » saisit et normalise les données existantes sur les eaux souterraines de l'Afrique de l'Ouest et donne un aperçu régional cohérent sur les ressources en eaux souterraines. Elle fournit une évaluation quantitative de la productivité de l'aquifère en utilisant une combinaison du type d'écoulement de l'aquifère et du rendement attendu du forage. La carte met en évidence l\u2019aptitude des aquifères pour l'approvisionnement en eau à différentes échelles tout en montrant les limites physiques du développement des eaux souterraines. L'élaboration de la carte comprenait l'harmonisation des cartes géologiques continentales et régionales existantes et l'attribution des unités hydrogéologiques avec les données de rendement attendu compilées à partir d'une méta-enquête bibliographique. Les cartes en encart mettent en évidence la structure géologique, les niveaux de fond géogéniques d'arsenic et de fluorure et la recharge des eaux souterraines.", "mapName": "Groundwater resources in the ECOWAS region (GWR ECOWAS)", "description": "Ressources en eaux souterraines dans la région de la CEDEAO\nGroundwater resources in the ECOWAS region", "copyrightText": "(C) BGR: 2026", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "Hydrogeological Unit", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 1, "name": "Lithology", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 2, "name": "Cover", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 3, "name": "Basin or structural unit", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 4, "name": "Depositional or rock formation environment", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 5, "name": "Degree of consolidation", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 6, "name": "Aquifer flow type", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 7, "name": "Aquiferproductivity", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true }, { "id": 8, "name": "Typology of carbonate rocks", "parentLayerId": -1, "defaultVisibility": false, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true } ], "tables": [], "spatialReference": { "wkid": 4326, "latestWkid": 4326, "xyTolerance": 8.983152841195213E-9, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -400, "falseY": -400, "xyUnits": 1.125899906842624E13, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 }, "singleFusedMapCache": false, "initialExtent": { "xmin": -27.106237550777344, "ymin": -11.29736555354851, "xmax": 27.050294941919844, "ymax": 31.485343331279942, "spatialReference": { "wkid": 4326, "latestWkid": 4326, "xyTolerance": 8.983152841195213E-9, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -400, "falseY": -400, "xyUnits": 1.125899906842624E13, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "fullExtent": { "xmin": -25.361803050170465, "ymin": 4.270418170562266, "xmax": 15.995641710496727, "ymax": 25.000000000499767, "spatialReference": { "wkid": 4326, "latestWkid": 4326, "xyTolerance": 8.983152841195213E-9, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -400, "falseY": -400, "xyUnits": 1.125899906842624E13, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "datesInUnknownTimezone": false, "minScale": 0, "maxScale": 0, "units": "esriDecimalDegrees", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "Groundwater resources in the ECOWAS region (GWR ECOWAS)", "Author": "", "Comments": "Ressources en eaux souterraines dans la région de la CEDEAO\nGroundwater resources in the ECOWAS region", "Subject": "Groundwater resources in the ECOWAS region / \nRessources en eau souterraines dans la région de la CEDEAO", "Category": "", "Version": "1.2.0", "AntialiasingMode": "None", "TextAntialiasingMode": "Force", "Keywords": "Productivity,Lithology,Hydrogéologie,Groundwater,Grundwasser,Groundwater recharge,CEDEAO,Aquifer media type,Ressources en eaux souterraines,Bassins sédimentaires,Geology,Type de milieu aquifère,Productivité,Lithologie,Afrika,Hydrogeologie,Fluorure,Groundwater resources,Rendement,Fond géochimique,Eaux souterraines,Données ouvertes,Africa,Recharge des eaux souterraines,Géologie,Sedimentary basins,Hydrogeology,Geogenic background values,Opendata,ECOWAS,Aquifer,Fluoride,Afrique,Aquifère,Arsenic,Geologie,Groundwater yield" }, "supportsQueryDomains": true, "capabilities": "Map,Query,Data", "supportedQueryFormats": "JSON, geoJSON, PBF", "exportTilesAllowed": false, "referenceScale": 0.0, "supportsDatumTransformation": true, "archivingInfo": {"supportsHistoricMoment": false}, "supportsClipping": true, "supportsSpatialFilter": true, "supportsTimeRelation": true, "supportsQueryDataElements": true, "mapUnits": {"uwkid": 9102}, "maxSelectionCount": 2000, "maxRecordCount": 2000, "maxImageHeight": 4096, "maxImageWidth": 4096, "supportedExtensions": "WMSServer" }