25194.天津市地下水資源水位—水量“二元”管理體系研究

1、天津大學(xué)碩士學(xué)位論文天津市地下水資源水位－－水量“二元”管理體系研究姓名：宮愛璽申請學(xué)位級別：碩士專業(yè)：水利工程指導(dǎo)教師：李發(fā)文201112ABSTRACTGroundwaterismainlysupplywaterresourceinTianjinCity，whichpromoteseconomicdevelopmentinTianjinButitalsobringssomenegativeeffects，suchasseriousl

2、andsubsidence，saltwaterintrusionanddeterioratedwaterqualitymainlyduetooverexploitationofgroundwaterProblemmainlyliesinlackingofscientificandrationalmanagementinthedevelopmentandutilizationofgroundwaterInordertoachievesus

3、tainableutilizationofgroundwaterresources，themanagementofinnovationisnecessaryForalongtime，Chinahasimplementedagroundwaterextractionmanagementmode，itisdifficulttodirectlymeasuretheextractionofgroundwaterwhichisnoteasytom

4、onitorassessandactualoperationTherearemanydefectsinthemanagementmode，andinordertocompensateforthesedefects，anewwaterlevelandwaterflowbinarymanagementmodeisputforward，whichadoptsthegroundwaterextractionasindicatorsofovera

5、llcontrolandthecriticaldepthofwaterlevelascharacterizationindexThepapermainlyconsistsofthefollowingresearchcontentsandresults：(1)Comprehensiveevaluationofgroundwaterresourcesisappliedtoevaluategroundwaterresourcesfunctio

6、n，geologicalenvironmentfunctionandvulnerabilityassessmentfunctioninTianjinIntheevaluation，analytichierarchyprocessasasubjectiveevaluation，coefficientofvariationasanobjectiveevaluationmethod，acombinationofbothistobecompre

7、hensiveweightThevalueofthecorrespondingaggregativeindexwascalculatedaccordingtotheimpactofrelevantfactors，andthenaccordingtothecalculatedaggregativeindexandthecorrespondinggradingstandards，groundwaterresourcesfunction，ge

8、ologicalenvironmentfunctionandvulnerabilityassessmentfunctioninTia兩inwereobtained(2)BasedonexistedhistoricalobservationsandselectedXiqingDistrictforatypicalarea，thisworkcarriedouttheresearchonundergroundwaterlevel，ground

9、wateryield，thegroundsettlementchangingtrends，andtheirmutualrelationshipindistrictsandcountiesofTianjin(3)Areasonableminingplanwasdeveloped，andthenutilizingthepre—establishednumericalmodelofgroundwatertheundergroundwaterl

10、evelandsubsidenceconditioninplainareasofTi刪inwaspredicted(4)TheplainareainTianjinWasdividedinto13differentgroundwatermanagementdistricts，andtheaquifergroundwatercontrollevelandareasonablerangeofvaluesforeachdistrictWases