Analysis of the dynamic characteristics of Tieling City and sustainable use of groundwater analysisWord文档下载推荐.docx

Analysis of the dynamic characteristics of Tieling City and sustainable use of groundwater analysisWord文档下载推荐.docx

《Analysis of the dynamic characteristics of Tieling City and sustainable use of groundwater analysisWord文档下载推荐.docx》由会员分享，可在线阅读，更多相关《Analysis of the dynamic characteristics of Tieling City and sustainable use of groundwater analysisWord文档下载推荐.docx（4页珍藏版）》请在冰豆网上搜索。

TielingCityinLiaoningProvince,north,northChina’simportantindustrialbaseofthefoodandenergyindustrybase,itshighlevelofgroundwaterexploitationinordertoguaranteetheeconomicdevelopmentofTielingCity,hadtoover-exploitationinmanypartsofwaterstability,easeofdevelopmentofgroundwater,leadingtoaseriesofquestions,especiallytoreducetheamountofgroundwaterandwaterqualitydegradationbythegeneralconcernofthecommunity,promotesustainabledevelopmentintoday’slong-termefficientuseofgroundwaterresourceshasbecomeimperative.

1dynamiccharacteristicsofgroundwaterTielingCity,accordingtotheconditionsandhydrauliccharacteristicsofgroundwateroccurrence,groundwatercanbeclassifiedaslooserockporewater,porewaterclasticrocksandfracturedbedrockfissurewater.Unconsolidatedrockporewaterforthisareathemaingroundwatertypes.

Themainsourceofgroundwaterrechargeisprecipitation,infiltrationofprecipitationbedrockfractureisthemainwaytorechargegroundwater,precipitationintothegroundalongthebedrockfissures,formingthebedrockfissurewater,andthentoundergroundspringintheformofrunoffor,supplythefourthDepartmentofporewaterorstreams.Inadditiontheupperandlateralhighgroundwaterrecharge,andpart-timerunoffwatersupply,irrigationwaterinfiltrationisasupplysource.

Agroundwaterleveldynamiccharacteristicsdynamicgroundwaterlevelandriveraffectedbyatmosphericprecipitation,cyclicalchangesgraduallydecliningwatertable1-5,6-monthinJuly,affectedbyprecipitation,thewaterbegantoriseintheJuneincreasewasaboutforthe0.50-4.0m,9,10thehighestwaterlevelinJanuary,aftertheendofOctober,thewaterlevelslowlydecreased,thewaterlevelthereisastrongseasonalvariation,bytheobviousfactorsofprecipitation.wetyearsthewatertablerose,dryyears,fallingwatertables,whiletheeffectsduetotheconcentrationofmining,watersourcesandtheNorthBalizhuangbreedingstockfieldnearthewatertableislow,andtheformationofthegroundwaterconeofdepression.

2dynamiccharacteristicsofgroundwaterquality,accordingtochemicalanalysisofgroundwaterdata,theareaof?

?

ironionswithasectionofthehighnitratecontent,followedbynitrite,hardness,salinity,manganeseduetoiron,nitrate,nitritesaltandhardness,salinity,highmanganesecontent,leadingtopoorgroundwaterqualityinthisarea,reflectingthequalityofgroundwaterinthisareasufferfromvaryingdegreesofcontaminationofagriculturalandindustrialanddomesticpollution.

Accordingto&

lt;

&

GroundwaterQualityStandard&

gt;

（GB/T14848-93standards,groundwaterqualityinthisareacanbedividedintothreelevels,namely,goodwaterquality,waterqualityispoor,verypoorwaterquality.WaterqualityisgoodtopaythecountylevellocatedinthevillageChangtu,poorwaterqualitylevelmainlyinTielingCountywhiteflagwhiteflagZhaiXiangZhai,ChangtuCountyBridgeTownshipgasstationandXifengevenmorecarvedcarvedvillagearea,generallypoorwaterqualitygradedistributioninthisarea.

2thebasicsituationofgroundwaterexploitationTielingCity,groundwaterexploitation,mainlyTieling,Kaiyuanbuilttofocusonexploitationofwaterresources,inadditiontoWells’sfactories,minesandminingexploitationofirrigationwells,accordingtoitspurposeandtheamountintwoareas,namelyurbanwaterfocusonminingareasandminingareas,agriculturalanddomesticwater.

Concentrationofurbanwaterminingarea:

locatedinYinzhouDistrict,Tieling（urbanplanningareaandKaiyuanDistrict,thisareaislocatedinthealluvialplainsoftheLiaoheandChaiheterracesabovethesandtogravel,roundgravelasthemainQuaternaryunconsolidatedrocktheporewater-bearingrockgroup,widelydistributed,layerisstable,thick,shallow,permeability,adequatesupplies.isfavorableagro-industrialanddomesticwaterlots.

Agricultureanddomesticwaterminingarea:

widelydistributedinthisareacities,counties,villages.

Long-termfocusinthisareaduetotheimpactofminingintheNorthStateBankofTielingCityBalizhuangbreedingstockplantswithwatertoformtwoareasoflandnearthefunnelfunnel.2010Northnearthecenterofthedryseasonwatersourceisgroundwaterdepth10.03m,groundwaterwaterleveldepressionconearea2.19km2,thanthesameperiodin2009,expanding0.70squarekilometers,thewetperiodgroundwaterdepthof5.10m,thegroundwaterleveldepressionconearea0.05km2,thanthesameperiodin2009reduced4.79km2.

PlantbreedingstockBalizhuang2010dryseasongroundwaterdepthnearthecenterofthefunnelis4.77m,thegroundwaterleveldepressionconearea3.74km2,thanthesameperiodof2009toexpand2.25km2,wetperiodgroundwaterdepthof1.40m,thegroundwaterleveldepressionconearea0.21km2,thanthesameperiodin2009reduced2.82km2.

3groundwaterresourcesdevelopmentandutilizationproblemsAlocalminingintensityistoolarge,theformationofoverexploited,accordingtoasurveyconductedformanyyears,theStateBankofTielingCitywithNorthBalizhuangwaterneartheplantareallbreedingstockover-exploitationofgroundwaterareas,thedensityistoolargeextractionwells,wellspacingistoosmall,wellsandwellsmustexistbetweentheinterferenceiscausedbyfallingwatertables,watercutunderlyingfactor.

2waterpollutionproblems.Tielingregionsexistinthecaseofmixedextraction,aswellasexploitationofthepoorwellprocess,thesealinglayercannotbegood,thattheupperporedivingandoverlyingclasticrocksunderpore-fissurewatermixedextraction,resultinginvaryingdegreesofcontaminationbytheupperlayeroflooseporedivingintothelowerpartofthefracturedporousrocksaquifers,waterqualitydeteriorating.

Divingpollutionismainlyminedinmixedcityandrice-growingareas,mainlyduetoleakingsewersinurbanareas,ruralfarmlandduetourbanexpansionofthelandfill,theexcessiveapplicationofagriculturalfertilizersandpesticides.Urbansewageandgarbage,isleadingtoandincreasingurbanpollutionofgroundwaterisanimportantfactor.

3groundwaterexploitationinthe‘Resources’wasteofgroundwaterresourcesdevelopmentandutilizationofwasteismoreseriousagriculturalwaterwellsdoesnotexceed80%utilization,canalpipeleakageisserious.Industrialwaterrecyclingrateislow,domesticwaterisnotfullyimplementedquantitative,fixed,regularwatersupply,groundwaterusemorecommondisorder,thatextensivewateruse,waterconservationisnotthewaytogo.

4lackofscientificmanagementandearlywarningmonitoringsystem.TielingCityiscurrentlythedevelopmentofgroundwatermanagementhavenottakenaccordingtolaw,onhowtoeffectivelycontrolthedevelopmentandutilizationofgroundwateraquiferstoextendthelifethereisnolaw,resultinginachaoticstateofgroundwaterexploitationwasThecity’snotyetformedacompletenetworkofgroundwatermonitoringinformationsystem,therebycontrollingthewatersourcewellenough,managementisnotreasonabletofurtherenhancethesustainableuseofgroundwaterresourcesrequirements.

4recommendationsforsustainableuseofgroundwater

Astrictcontrolofgroundwaterextractioninthegroundwaterexploitation,wemustfullyconsiderthelocalgroundwaterconditions,integratedvariousfactors,todevelopthetypeofminingareas,therationalallocationofextraction,toavoidandmitigatetheoccurrenceofgroundwaterover-exploitationandworse.Theformationoftheconeofdepressionthathavebeenoverexploitedtodo:

①reducethenumberofextractionwells,wellspacingtodetermineareasonablenumberofexplorationwells,②monitoringofwaterlevelrecovery,sothatinthedryseasonthewaterlevelandregionallevelactivitiesconsistent,③controlmixedmining,improveWellintotheprocess,sothatthesealinglayerandmining.

2topreventgroundwatercontamination.Protectionofgroundwaterresources,isessentialtopreventcontaminationshouldbethestrengtheningofindustrialwastewateranddomesticsewagetreatmentrateandrecyclerate,closeabandonedwells,recoverywellstopreventmixing,topreventdeep-waterpollution,strengthengroundwatermonitoring,controlgroundwaterpollutionandthedevelopmentandtrends,andscientificpredictionandprevention,accordingtothesocialvalueofwatersourcesandtheirownvulnerability,wemustfocusonscienceanddelineationofprotectedareas,theprotectionofgroundwaterasacomprehensivesourcewaterprotectionareas.

3conservewater,resultinginwasteofwaterresourcesarenaturalfactorsandhumanfactorstwo.Monsoonrainfallisofteneasytoformlargeflood,a‘wateroff’theformationofwaste,inresponsetopositive‘flood’usedtoprepareabundanceofdry.

Rapidchangeinhumanuseofwaterresourcesshouldbeextensivewateruse,water-savingwaytogo,themeasuresare:

toimprovetherateofindustrialwaterreuse,conservationagriculture,water,domesticwaterconservation,andestablishreasonablewatersystem,fulluseofeconomic