ISO 04974-2023.docx

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1、INTERNATIONA1.STANDARDISO4974editionFirst2O23-O7Soi1.qua1.ityGuidanceonsoi1.temperaturemeasurementQUQ1.iMduso1.-RecommanciaUonsre1.ativesaumesuragedeIatemperatureduso1.ISO2023COPYRIGHTPROTECTEDDOCUMENTISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.o啪InyM1.tta0DmkfifiU81.andonnet8CH-1214Vernier,GenevaPhone

2、：M1.22749O1.11觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsForewordIntroductionv2 Scope13 Normativereferences14 TermsanddefinitionsFundamenta1.s14.1 Princip1.e14.2 Soi1.temperaturemeasurementmethods24.22GiMwmtionaImeasurement24,23QU1.Ckmeasurement.4Se1.ectionofmeasurementmethods55.1 Genera1.55.2 Meth

3、odse1.ectioninthesoi1.qua1.ityfie1.d55.3 SItica1.CappHiMinrtas口9Uaftyfieki65.3.2Quickmeasurement6Qua1.ityassuranceandqua1.itycontro1.6Testreport6AnnexA(informative)Soi1.temperaturemeasuredbythermistorandIRthernoneter7Bib1.iography5ForewordISO(theInternationa1.OrganizationforStandardization)isawor1.d

4、widefederationofnationa1.standardsUudiugh(ISOtdm0itof1.iiRj)tis(vcekkif(ntvhmitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-governmenta1.,in1.iaisonwithISO.a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.sta

5、ndardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceare狐解幽Of1.SO/鹿惴助卜es揣屈犯noteftt111脚.财Mtcordancetheeditoria1.ru1.esoftheISO/IECDirectives.Part2(secwww.iso.org/direc1.ives).曲曲谶en1.a陛nWOntakeS用脚腾忸般o

6、nna1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htm1.Introductioninteractionofandatmosphere,changesinweather(i.e.radiationemperaturedrought,humidity,Peakstemperaturevariationsoi1.prof1.ebe1.owthegroundsurface,withthesoi1.temperatureshiftinginMediterraneantemperature

7、temperaturefromcan-ISreach40noreatdepthandmorecmdepth.indry1.andsingrowingtemperaturedeco11positionmeasuredorganicmatter,Iatesbiogeochemica1.processesnutrientassimi1.ationprocesses.temperatureisraisedsoi1.appropriatewaterContenteasi1.ydecomposedtemperatureactivatedSincetemperatureaffectsmentionedgro

8、wth.a1.sotemperaturehasinagricu1.tura1.inf1.uenceonandindustriessuccessfu1.1.ygrowingagricu1.tura1.businesses,harvestgreenhouses,contro1.1.ingsoi1.temperaturedepressingandgreendensity.groundwatergroundbeatriggerva1.ues3dimensiona1.1.yfb1.ockss1.rcamsUndergroundandcanacce1.eratorAsPurposcproccdurcwhi

9、chsoi1.temperaturemeasurementadependstemperaturcaccuracyrcquircd1.andthedimateexactdisasterprevention,temperaturemeasurementcarefu1.1.ymeasuredtemperatureShou1.dapproximatebut国丽g1.11pmH*1.明B峪依ntinuous1.yinresponsetoc1.imateandmeteoro1.ogica1.changesandtheannua1.cydes.soi1.andirrcgu1.arCpisodicSomeof

10、thefactorsaffectsoi1.C1.oudinessJnc1.udediurna1.andatmospherictemperature,rainfa1.1.,co1.devents).1.andscapeformation,regiona1.dtfTcrences,vegetationandsoi1.managementpracticesbyhumansa1.soaffectsoi1.temperature.Theothermajorinf1.uenceonsoi1.movingdeeperthedepthz.Soi1.temperaturevariationsacrossdaya

11、ndyearcanbequiteimportantInborea1.conditionswithintheyear,soi1.areas,thecanpasstothan15at5than50ifatthegroundsurface.Withg1.oba1.warming,soi1.temperature1.endsa1.sotoincreaseinthesameorderasatmospherictemperatureasdemonstratedinvariousstudies3).4.Soi1.season,beofsoi1.beingcrucia1.forofminera1.izatio

12、nandsuch1.engthofbyp1.antsaswe1.1.asp1.antproductivity.Soi1.temperaturechangeswithdepthinf1.uencemanysoi1.characteristics,suchasmicrobia1.activity,chemica1.reactions,nutrientcyc1.ing,andmanyotherwhenthe2Itisknownthatiforganicmatterismoreavai1.ab1.eandbymicrobesstaysinrangefavourab1.eformicrobes.Soi1.temperaturecanthenbeusedasaproxyfortheriskofcarbondioxideemissionfromtarget1.and.Soi1.itdirect1.yis,p1.antear1.ie