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生态流域水文单元划分方法研究.docx

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生态流域水文单元划分方法研究 【Abstract】 Ecologicalwatershedhydrologicalunitdivisionmethodisanimportantresearchtopicinwatershedmanagement.Thispaperintroducestheconceptofecologicalwatershedandanalyzestheimportanceofwatershedhydrologicalunitdivision.Basedontheexistingmethodsofwatershedhydrologicalunitdivision,thispaperproposesacomprehensivemethodforecologicalwatershedhydrologicalunitdivision,whichcombinesphysicalandecologicalfactors.Finally,theapplicationofthemethodinpracticalprojectsisdiscussed.Theresultsshowthatthecomprehensivemethodsignificantlyimprovedtheaccuracyandreliabilityofecologicalwatershedhydrologicalunitdivision. 【Keywords】Ecologicalwatershed,Hydrologicalunitdivision,Comprehensivemethod 【Introduction】 Watershedmanagementisanimportantresearchtopicinthefieldofwaterresourcesmanagement.Theecologicalwatershed,asanewconcept,isofgreattheoreticalandpracticalsignificanceforthemanagementanddevelopmentofwatersheds.Theecologicalwatershedisanaturalecologicalunitthatintegrateswaterresources,landscapes,andecologicalsystems,andplaysanimportantroleintheregulationofregionalecologicalenvironment.Thedivisionofhydrologicalunitsisthecornerstoneofwatershedmanagement,andtheaccurateandscientificdivisionofhydrologicalunitsisanimportantprerequisiteforthecomprehensiveandeffectivemanagementofwatersheds.Therefore,thestudyofecologicalwatershedhydrologicalunitdivisionmethodshasimportanttheoreticalandpracticalsignificance. 【Theimportanceofwatershedhydrologicalunitdivision】 Thedivisionofhydrologicalunitsisofgreatsignificanceforthescientificunderstandingoftherelationshipbetweenwaterandlandresourcesandthenaturalenvironment,theanalysisofthedistributionandspatial-temporalvariationofwaterresources,thestudyofwaterutilizationandmanagement,andtheformulationofwaterresourcesplanningandpolicies.Atpresent,theresearchonwatershedhydrologicalunitdivisionmainlyincludesthetraditionalhydrologicalunitdivisionmethodandtheecologicalhydrologicalunitdivisionmethod.Thetraditionalhydrologicalunitdivisionmethodmainlyconsidersphy