ASTM D5408-1993(2010)e1 描述地下水位置的数据元集标准指南;第一部分:附加识别描述符

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【英文标准名称】:StandardGuideforSetofDataElementstoDescribeaGround-WaterSite;PartOne-AdditionalIdentificationDescriptors
【原文标准名称】:描述地下水位置的数据元集标准指南;第一部分:附加识别描述符
【标准号】:ASTMD5408-1993(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:dataconfidenceclassification;dataelement;groundwater;monitoringlocation;samplingsite;siteidentification;sitelocation;waterallocation;waterquality;Waterqualitymonitoring;Dataelements;Ground-watermonitoring/sampling;Land-netlocati
【摘要】:Dataatground-watersitesaregatheredformanypurposes,eachofwhichgenerallyrequiresaspecificsetofdataelements.Forexample,whenground-waterqualityisaconcern,notonlyaretheminimumsetofdataelementsrequiredforthesite,butinformationconcerningthesamplecollectiondepthinterval,methodofcollection,anddateandtimeofcollectionareneededtofullyqualifythedata.Anothergroupofelementsarerecommendedforeachuseofthedata,suchasaquifercharacteristicsorwater-levelrecords.Normallythemoreinformationthatisgatheredaboutasitebyfieldpersonnel,theeasieritistounderstandtheground-waterconditionsandtoreachvalidconclusionsandinterpretationsregardingthesite.ThedataelementslistedinthisguideandGuidesD5409andD5410shouldassistinplanningwhatinformationcanbegatheredforaground-watersiteandhowtodocumentthesedata.Note68212;Someimportantdataelementsmaychangeduringtheexistenceofasite.Forexample,theelevationofthemeasuringpointusedforthemeasurementofwaterlevelsmaybemodifiedbecauseofrepairorreplacementofequipment.Thisfrequentlyoccurswhenthemeasuringpointisanopeninginthepumpandthepumpismodifiedorreplaced.Becausechangescannotalwaysbeanticipated,itispreferabletoreferencetheheightofthemeasuringpointtoanearby,permanentaltitudedatum.Themeasuringpointisreferencedbybeingthesamealtitude(zerocorrection)orabove(negativecorrection)orbelow(pluscorrection)thealtitudedatum.Allappropriatemeasurementsshouldbecorrectedinreferencetothealtitudedatumbeforeentryintothepermanentrecord.Caremustbeexercisedtokeeptherelationshipofthesedataelementsconsistentthroughoutthedurationofthesite.Somedataelementshaveanextensivelistofcomponents.Forexample,theaquiferidentificationlistdescribedinGuideD5409,hasover5000components.Lengthylistsofpossiblecomponentsarenotincludedinthisguide,however,informationonwheretoobtainthesecomponentsisincludedwiththespecificdataelement.Note78212;Thisguideidentifiesmanysources,lists,etc.,ofinformationrequiredtocompletelydocumentinformationaboutanyground-watersite.1.1ThisguidecoversPartOneofthreeguidestobeusedinconjunctionwithPracticeD5254thatdelineatesthedatadesirabletodescribeaground-waterdatacollectionorsamplingsite.Thisguidedescribesadditionalinformationbeyondtheminimumsetofdataelementsthatmaybeneededtoidentifyaground-watersite.PartTwoidentifiesphysicaldescriptors,suchasconstruction,forasite,whilePartThreeidentifiesusagedescriptors,suchasmonitoring,foranindividualground-watersite.Note18212;Aground-watersiteisdefinedasanysource,location,orsamplingstationcapableofproducingwaterorhydrologicdatafromanaturalstratumfrombelowthesurfaceoftheearth.Asourceorfacilitycanincludeawell,springorseep,anddrainortunnel(nearlyhorizontalinorientation).Othersources,suchasexcavations,drivendevices,boreholes,ponds,lakes,andsinkholes,thatcanbeshowntobehydraulicallyconnectedtothegroundwater,areappropriatefortheuseintended.Note28212......
【中国标准分类号】:P13
【国际标准分类号】:35_240_70
【页数】:6P.;A4
【正文语种】:英语