缓解缺水对流域水文过程的影响

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1、缓解缺水对流域水文过程的影响ImpactofAlleviatingWaterScarcityonRiverHydrologicalProcessinChinaInlandRivers(CIR)----ACasestudyinHeiheriverbasin(HB)XiaoHongliangHeiheLaboratory(KeyLaboratoryofEcohydrologyofInlandRiverBasin,CAREERI,CAS;HeiheKeyLaboratoryofEcohydrologyandRiverSci

2、ence,CAREERI,GansuProvince)Humanimpacton……1.Hydrologycanbeusedtoregulatebiota;2.Shapingbiotacanbeatooltoregulatehydrologicalprocesses;Thetwotypesofaboveregulationscanbeintegratedatthebasin…….From:UNESCOIHP-EcohydrologyDemonstrationProjectOutline1.Waterissuesin

3、CIR;2.GeneralofHB;3.Reformwaterprocess;4.Reformecosystem;5.Waterprocessinsoci-econsystem6.ResultofWaterIssues7.HBMajorprogramofNSFC.1.WaterIssuesinCIRNaturalCondition:WaterScarcityinCIR►Chinanorthisoneof13countriesofwaterscarcity（源自:国土资源部(UN).网站）►CIRoccupied1/3

4、ofChina.►Annualrainfall<200mm.►Waterresourceonly5%ofstate’s.内陆河流区占国土面积的34.7%；太平洋流区58.3%,印度洋流区6.4%,北冰洋流区0.6%。1.WaterIssuesinCIRHumanImpact:LowWaterBenefitinCIRWaterover-development,overuse;Irrationalmanagement;Rebuild/disturbwatercycle;Desertification.1.Wate

5、rIssuesinCIR目标：在流域尺度提高水效益Goal:HigherwaterbenefitatabasinscaleAgro-Eco-Waterdvplhealth基础Base纽带Linker保证Guaranty水资源可持续管理Integratedwatermanagement流域持续发展RiverSustainabilityOutline1.WaterissuesinCIR;2.GeneralofHB;3.Reformwaterprocess;4.Reformecosystem;5.Waterprocessi

6、nsoci-econsystem6.ResultofWaterIssues7.HBMajorprogramofNSFC.2.GeneralofHBTypicalityCentreofaridregionofEastAsia;Internationalriverbasin.Mongolia;Qinghai,Gansu,Inner-mongolia;2th-largestinlandriverinChina;Earliestirrigationagri.2000aago;Typicalproblemsonwater,ec

7、o,envir.2.GeneralofHBStudyarea:130,000km2294,400km22.GeneralofHB130,000km2AlxaHighlandGobi,desertMountainDesert34%57%Oasis9%2.GeneralofHBTypicallandscapeRainfall：250-500mm250-100mm100-<50mmiceNsnow5000colddesertmeadowswampshrub3000steppeforestdesertsteppeVertic

8、allandscapeinMountaindesert1000QianlianmountainHexicorridorAlxahighlandAgri/forest/livestock(%):9/59/4776/32/2115/9/32Oasis/desert(%)8.5%3.3%Specialrivereco-hydrologicalsyst