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1、PhysicochemicalCharacterizationofWaterofBirM’ChergaReservoirandItsEffluentsYosraIsmailandAbdalahBenalayaLaboratoryofAgriculturalProductionSystemandSustainableDevelopment(SPADD),HighInstituteofAgriculturalofMograne,Mograne1121,TunisiaReceived:February15,2
2、011/Accepted:May16,2011/Published:February20,2012.Abstract:Thisstudyaimsthephysico-chemicalcharacterizationofsurfacewateroftheBirM’ChergareservoiranditseffluentswhicharelocatedinZaghouangovernorateofTunisia.Itrequiredmeasuresinsituofphysicochemicalparame
3、tersandchemicalanalysisatlaboratoryofmajorelementandnutritivesalts.TheresultsofthisstudyrevealedthepresenceofpollutantsintheMilianeriveratElFahsareaandtheeutrophicationofwaterintheBirM’Chergareservoir.AccordingtotheclassificationofStuyfzandandPiper,water
4、inthewadisofMelah,Hdada,MilianeandBoudebbane17respectivelyisbrackish,salty,extremelyhard,chlorinated,sulphated,calcic,andmagnesic.WaterintheBirM’Chergareservoirischaracterizedbycalcicfacieschlorinatedsulphatedandsodic.Thus,theBirM’Chergareservoirpresents
5、aworryingsituationandariskofqualitativedegradationofitswater.Keywords:BirM’Chergareservoir,rivers,eutofication,pollution,geochemicalstudy.1.Introduction?InTunisia,conventionalwaterresourcesavailablearelimitedanditissupposedthattheywillbeexceededbythedema
6、ndforwaterduetotheincreaseinthepopulationandtheimprovementofthestandardofliving.Tothatisaddedtheproblemofthedegradationofwaterqualityduetotheanthropogenicactivities.Thecountryisthusconfrontedwithtwomajorchallenges:rationalexploitationandthesafeguardingof
7、waterquality.TheBirM’Chergareservoirwasconstructedinordertoensuretheprotectionofthedownstreamareasagainstfloodsandtheirrigationofthebordering17agriculturallands.Thisreservoirreceives,amongotherthings,thesurfacewaterofsomeriverswhichincludetheurbanandindu
8、strialeffluents.Theprincipalproblemofwaterretainedinthereservoiristhecontaminationbychemicalandorganiccompoundsofdomesticandindustrialwastewaterscomingfromtheagglomerations.Thisproblemcausedchemicaldegradationofwateraswell
