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【英文标准名称】:StandardGuideforSelectionofMinimumSetofDataElementsRequiredtoIdentifyLocationsChosenforFieldCollectionofInformationtoDescribeSoil,Rock,andTheirContainedFluids
【原文标准名称】:确定土壤、岩石和其所含液体描述信息的现场收集用场所所要求的最小数据元集合的选择的标准指南
【标准号】:ASTMD6168-1997(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:coordinates;geoscienceinvestigation;geosciencelocation;keydataelements;rock;soil;undergroundfluids;Dataelements;Fieldinvestigations;Fieldtesting--rock;Fieldtesting--soil;Geophysicalinvestigations/geophysics;Minimumrequirements;Rock
【摘要】:Adequatelydocumentedgeosciencedataarebeneficialtostudiesutilizingtraditionalandcomputertechnologyforconductingresourcesurveysandinanalyzingenvironmentalconcerns.Geosciencedatathatincludethestandardcoordinatespinpointthelocationoftheinformationonorbelowtheearth''ssurfaceandbythatestablishthedimensionalrelationshiptodataofasimilarnature(see5.2).Note68212;Someinvestigationsdestroythesampleintheprocess.Assuch,theinformationcannotbeduplicatedbyresampling.Thedataandtheoriginallocationofthetestedsamplemaybetheonlyremainingresult.Geosciencedatathatincludex201C;keyx201D;informationhasanenhancedcapabilityforacceptableverification,aseachadditionaldataitemstrengthenstheuniquenessforsingularidentification.Keydatacategoriesincludedforuniqueidentificationofthegeoscienceinformationconsistofpoliticalregimes,sourceofdata,andlocationcharacteristics(see5.3).Useofastandardizedminimumsetofdataelementsbyprojectinvestigatorsincreasetheusefulnessofthegeoscienceinformation,inthatthematerialcanmoreeasilybeinterchanged.Dataverification,essentialinqualitycontrol,canbemoreroutinewhengeosciencelocationsareaccuratelyidentified.Keyitemsallowforeaseofselectionbyplacingthegeosciencedataintologicalcategories,suchascounties,resourceextractionlocations,andsourceagencies.Datafilesorganizedbyuseofkeydataelements,whetherstoredincabinetsoracomputerfile,arelesscomplicatedtofind.Geosciencedataareusuallycollectedforanongoingproject,however,thevalueisgreatlyincreasedwhenthesedataareavailableforfuturestudies.1.1Thisguidecoversfactorstoconsiderfortheselectionoftheminimumsetofdataelementsrequiredfortheaccuratelocationandcatalogingofinformationcollectedforgeologicalscience(geoscience)investigations,whichincludesgeoecology.1.1.1Geoscienceinvestigationsincludesoilsurveys,foundationinvestigations,geologicstudies,hydrologicevaluations,environmentalappraisals,contaminationinquiries,archaeologicalsurveys,andotherstudiesthatinvolvethesoil,rock,andcontainedfluidsfromthelandssurfacetoanyexploreddepthunderground.1.2Auniquegeosciencedatalocation,onorbelowtheearth''ssurface,canbedescribedbyX,Y,andZcoordinatesandbythatmethodestablishthedimensionalrelationshiptodataofasimilarnature.Additionallocationinformationneededdependsuponthetypeofgeosciencedatacollectionlocality.1.2.1ThebasictypeisasinglepositiondescribedbyfiniteX,Y,andZcoordinates.TheX,Y,andZcoordinatesuniquelypositionthelocationonorbelowtheearth''ssurface.Note18212;Anexampleisthelatitudeandlongitudeinhorizontalcoordinatesandthealtitude(orelevation)inverticaldistanceofaground-waterlocationorsite.Datacollectedatthesite,forexample,waterlevels,aremeasuredbytheverticalintervalasreferencedtothealtitude.1.2.2AnothertypeoflocationisdescribedbyfiniteXandYcoordinatesthathasmultipleverticallypositionedZcoordinates.Thisisequivalenttothelocationtypedescribedin1.2.1,exceptthatmultipleverticaldimensionsarestatedasZcoordinates,ratherthanverticalintervals.Note28212;Anexampleislatitude,longitude,andmultiplealtitudesofasoilsamplinglocationorsite.Eachaltituderepresentsadifferentsamplingpositionthathasthesamelatitud......
【中国标准分类号】:D10
【国际标准分类号】:13_080_01
【页数】:6P.;A4
【正文语种】:英语