Satellite detection and model verification of NOx emissions ...
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The NASA INTEX-B emission inventory appears to underestimate the NOx emissions from the industry and transportation sectors, making it more difficult to ... Skiptomaincontent Home>SatellitedetectionandmodelverificationofNOxemissionsfrompowerplants... SatellitedetectionandmodelverificationofNOxemissionsfrompowerplants... Wang,S.,D.Streets,Q.Zhang,K.He,D.Chen,S.Kang,Z.Lu,andY.Wang(2010),SatellitedetectionandmodelverificationofNOxemissionsfrompowerplantsinNorthernChina,Environ.Res.Lett.,44007,1748-9326,doi:10.1088/1748-9326/5/4/044007.Abstract: WeevaluatetherecentlyincreasingtroposphericNO2columnsinNorthernChinameasuredbytheOzoneMonitoringInstrument(OMI)withanadvancedpower-plantNOxemissioninventoryandtheNASAINTEX-Bemissioninventory,usingaglobalchemicaltransportmodel(GEOS-Chem).InareaswithnewlybuiltpowerplantsthemodeledandOMI-retrievedsummertimeaveragetroposphericNO2columnsincreasedby55%and47%,respectively,between2005and2007.Amonthlyaverageincreaseof1.79GgNOxemissionsiscalculatedtoleadtoanincreaseof1.0×1015moleculescm−2inthemodeledNO2columnsinthestudyareas.Goodconsistency(R2=0.61,slope=1.18,n=14)betweentheincreasedmodeledandOMI-retrievedsummertimeaverageNO2columnsisfound.TheseresultssuggestthatNOxemissionsfromlargepowerplantsinNorthernChinacanbeidentifiedandquantifiedusingOMIretrievalswithconfidence.TheNASAINTEX-BemissioninventoryappearstounderestimatetheNOxemissionsfromtheindustryandtransportationsectors,makingitmoredifficulttoquantifypower-plantemissionswhentheyareco-locatedwithlargecities. PDFofPublication: Downloadfrompublisher'swebsite.ResearchProgram: AppliedSciencesProgram(ASP) NASAHome PageLastUpdated:February17,2021 PageEditor:BradBulger NASAOfficial:BruceA.Tagg WebsiteIssues:ContactUs Budgets,StrategicPlansandAccountabilityReports EqualEmploymentOpportunityDataPostedPursuanttotheNoFearAct Information-DisseminationPoliciesandInventories FreedomofInformationAct PrivacyPolicy&ImportantNotices NASAAdvisoryCouncil InspectorGeneralHotline OfficeoftheInspectorGeneral NASACommunicationsPolicy ContactNASA SiteMap USA.gov OpenGovernmentatNASA
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