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1、ImpactofClimateChangeonRegionalHydroclimateProjectioninPeninsularMalaysiaMohdEkhwanToriman1,MazlinBinMokhtar2,RahmahEl-fithri2,NorAzlinaAbdulAziz1,Md.PauziAbdullah3andMuhamadBarzaniGasim41.SchoolofDevelopmentandEnvironmentalStudies,FSSKUniversityKebangsaanMalaysia,BangiSelangor43600,Malays
2、ia2.InstituteforEnvironmentandDevelopment(LESTARI),UniversityKebangsaanMalaysia,BangiSelango43600,Malaysia3.SchoolofChemicalSciencesandFoodTechnology,UniversityKebangsaanMalaysia,BangiSelangor43600,Malaysia4.SchoolofEnvironmentalSciencesandNaturalResources,UniversityKebangsaanMalaysia,Bang
3、iSelangor43600,MalaysiaReceived:April6,2011/Accepted:June8,2011/Published:January20,2012.Abstract:Fortheassessmentoftheimpactof14futureclimatechangeonthehydrologicregimeandwaterresourcesofPeninsularMalaysia,itisnecessarytodownscaletheclimatechangesimulationsofacoarsescaleGeneralCirculation
4、ModeltotheregionofPeninsularMalaysiaatfinegridresolution.Thispaperpresentsadesktopreviewofthestateofclimatechangeparameters,namelyrainfallandriverflowoverthePeninsularMalaysiaforthe2041-2050projectionperiod.Analysisoftheresultsfromthemodelsshowstherewillbeasubstantialincreaseinmeanmonthlyp
5、recipitationovertheNorthEastCoastalregionfromhistorical259.5mmto281.5mm,from289.0mmto299.0mmand221.8mmto239.5mmoverTerengganuandKelantan,respectively.Meanwhile,forriverflowprojection,itwillbeanexpectedincreaseininterannualandintraseasonalvariabilitywithincreasedhydrologicextremes(higherhig
6、hflows,andlowerlowflows)atKelantan,Pahang,Terengganu,andKedahwatershedsinthefuture.Keywords:Climatechange,peninsularMalaysia,14rainfall,riverflow.1.Introduction??In2007,theInternationalPanelonClimateChange(IPCC)considereddatafromclimateobservationsacrosstheworldandconcludedthattheevidencef
7、orwarmingoftheglobalclimateis“unequivocal”.Currentprojectionsestimatethattheincreaseinglobaltemperaturebytheendofthiscenturywillrangefrom1.8-4.0oCpredominantlydependingontheleveloffuturegreenhousegasemissions.However,thesefiguresdemonstratethatdangerousclimate
