海水入侵地區(qū)的地下水環(huán)境恢復(fù)研究——以大連南關(guān)嶺地區(qū)為例.pdf

1、遼寧師范大學(xué)碩士學(xué)位論文海水入侵地區(qū)的地下水環(huán)境恢復(fù)研究——以大連南關(guān)嶺地區(qū)為例姓名：金明玉申請學(xué)位級別：碩士專業(yè)：環(huán)境科學(xué)指導(dǎo)教師：張戈20070527AbstractFirst，thispapergeneralizesthedomesticandoverseasresearchingmeasuresandstatusquoaboutseawaterintrusionThepapersummarizesalIofthoseinDali

2、anandputsforwardnewcontentsandmeasuresThepaperanalysesthewayandthetrackofseawaterintrusionandinfluencingfactorsanddisasterscausedbythatinNanguanlingofDalianCityFinallyitresearchestheprocesswhichhaslastfor40yearsandtrendo

3、fseawaterintmsiomTheresultshowsthetheundergroundwaterenvironmenthasrestoredbasicallyBased011summarizingthereasonofthatWeputforwardtheadviccsabouthowtestoretheundelgroundwaterenvironmentfurtherTheanalysisshowsthatthereare

4、threetypesofseawaterintrusioninDalianCity：areaformintrusionlinearformintrusionandcavityshapeintrusionThewaysofintrusionagekarstfissure，structuralfractureandtheintrusioninconmct功neofdiabaseandrockInfluencingfactorsofseawa

5、terintrusionareasfollow：geologyandhydrogeologyarethegeologicalbackgroundfortheseawaterintrusion；humanirrationalprojectssuchaseconomicactivitiesarethemainfactorofseawaterintrusionAccordingtotheexploitationofundergroundwat

6、erintheresearchingareaWedefinefourstagesofseawaterintrusion：unintrusionstageslightintrusionstage，seriousintrusionstageandrestorationstageThetrendofseawateristhattheintrusionareavariesasfollowingrule：smalltobigtosmall；the

7、intrusiondistance：aneurtOfartoanearTheconditionofseawaterintrusionhasimprovedThemainreasonsoftherestorationofundergroundenvironmentintheresearchingareaareasfollow：adjustmentofindustrystructure，improvementofshillsinindust

8、ryandagricultureandlongdistancewatertransferpfojectFinallyWeputforwardsomeadviceswhichareoffingcontrulingexploitationregionalcascadestorage，exploitationalternative，dosureandexploitationandstrengtheningthelegalmanagement，