渭河中下游生态需水量研究

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1、渭河中下游生态需水量研究分类号UDC密级学号11410710专业学位论文渭河中下游生态需水量研究王灵灵王灵灵西安理工大学工程领域：水利工程指导教师：贾忠华教授张宏斌教授级高工申请日期：2014年6月－1－万方数据万方数据Abstract－1－万方数据西安理工大学工程硕士学位论文2万方数据Abstract－3－万方数据西安理工大学工程硕士学位论文methodsandrelatedresearch,suchasatypicalexample,definedtheconceptoftheWeiheRiverecological

2、waterdemandinthedomesticecologicaldeterminethecalculationmethodandtheprinciplesonthebasisoftheWeiheRiverwaterecologicalwaterdemandcalculationmethodselaboratedon.⑶onthebasisofanalysisofvarianceofthedataseries,throughavarietyofmethodscomparison,acomprehensiveanalys

3、isofthecalculationofthelowerlimitofthemaincontrollerofwaterdemand,waterdemandandsedimentpollutantwaterdemandindicators.⑷theriverecologicalwaterdemandbyasinglenumericaltargetfortheexpansionofthedistributionprocessduringtheyear.Thelowerlimitofecologyasalow-flowsche

4、me,thelowerlimitoftheecologicalflowandpollutantwhicheverisgreaterafterpurificationtrafficcontrollerscoupledastheprogramsoftheecologicalflowofthetrafficandtakethebigecologicalsuitabilityvaluesforeachpollutantasaself-cleaningflowcontrolcouplinghighecologicalflowsta

5、tionprogram,underwhichmonthlyecologicalwaterrequirementsproposedprocesscontrollersWeihetributariessevenyears.Keywords:WeiheRiver;waterresources;environment;ecologicalwaterdemand4万方数据目录目录1绪论.....................................................................11.1研

6、究背景.............................................................11.2研究目的及意义.......................................................11.3研究进展.............................................................21.3.1国外研究进展...................................................2

7、1.3.2国内研究进展...................................................31.4研究内容及技术路线...................................................61.4.1研究内容.......................................................61.4.2技术路线.......................................................62渭河中下游

8、水资源及生态环境现状...........................................72.1渭河中下游概况.......................................................72.2水资源状况...............................