ASTM D5447-2004(2010) 地下水流型应用于现场特定问题的标准指南

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【英文标准名称】:StandardGuideforApplicationofaGround-WaterFlowModeltoaSite-SpecificProblem
【原文标准名称】:地下水流型应用于现场特定问题的标准指南
【标准号】:ASTMD5447-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:computermodel;groundwater;simulation;Ground-watermodel
【摘要】:AccordingtotheNationalResearchCouncil(1),modelapplicationsareusefultoolsto:Assistinproblemevaluation,Designremedialmeasures,Conceptualizeandstudygroundwaterflowprocesses,Provideadditionalinformationfordecisionmaking,andRecognizelimitationsindataandguidecollectionofnewdata.Groundwatermodelsareroutinelyemployedinmakingenvironmentalresourcemanagementdecisions.Themodelsupportingthesedecisionsmustbescientificallydefensibleanddecision-makersmustbeinformedofthedegreeofuncertaintyinthemodelpredictions.Thishaspromptedsomestateagenciestodevelopstandardsforgroundwatermodeling(2).Thisguideprovidesaconsistentframeworkwithinwhichtodevelop,apply,anddocumentagroundwaterflowmodel.Thisguidepresentsstepsideallyfollowedwheneveragroundwaterflowmodelisapplied.Thegroundwaterflowmodelwillbebaseduponamathematicalmodelthatmayusenumerical,analytical,oranyotherappropriatetechnique.Thisguideshouldbeusedbypracticinggroundwatermodelersandbythosewishingtoprovideconsistencyinmodelingeffortsperformedundertheirdirection.Useofthisguidetodevelopanddocumentagroundwaterflowmodeldoesnotguaranteethatthemodelisvalid.Thisguidesimplyoutlinesthenecessarystepstofollowinthemodelingprocess.Forexample,developmentofanequivalentporousmediamodelinkarstterrainmaynotbevalidifsignificantgroundwaterflowtakesplaceinfracturesandsolutionchannels.Inthiscase,themodelercouldfollowallstepsinthisguideandnotendupwithadefensiblemodel.1.1Thisguidecoverstheapplicationandsubsequentdocumentationofagroundwaterflowmodeltoaparticularsiteorproblem.Inthiscontext,x201C;groundwaterflowmodelx201D;referstotheapplicationofamathematicalmodeltothesolutionofasite-specificgroundwaterflowproblem.1.2Thisguideillustratesthemajorstepstotakeindevelopingagroundwaterflowmodelthatreproducesorsimulatesanaquifersystemthathasbeenstudiedinthefield.Thisguidedoesnotidentifyparticularcomputercodes,software,oralgorithmsusedinthemodelinginvestigation.1.3Thisguideisspecificallywrittenforsaturated,isothermal,groundwaterflowmodels.Theconceptsareapplicabletoawiderangeofmodelsdesignedtosimulatesubsurfaceprocesses,suchasvariablysaturatedflow,flowinfracturedmedia,density-dependentflow,solutetransport,andmultiphasetransportphenomena;however,thedetailsoftheseotherprocessesarenotdescribedinthisguide.1.4Thisguideisnotintendedtobeallinclusive.Eachgroundwatermodelisuniqueandmayrequireadditionalproceduresinitsdevelopmentandapplication.Allsuchadditionalanalysesshouldbedocumented,however,inthemodelreport.1.5Thisguideisoneofaseriesofstandardsongroundwatermodelapplications.Otherstandardshavebeenpreparedonenvironmentalmodeling,suchasPracticeE978.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortous1.7Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionw......
【中国标准分类号】:P13
【国际标准分类号】:13_060_10
【页数】:7P.;A4
【正文语种】:英语