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Building the COllaborative Carbon Column Observing Network (COCCON): Long term stability and ensemble performance of the EM27/SUN Fourier transform spectrometer [Discussion paper]
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dc.contributor.authorFrey, Matthiases_ES
dc.contributor.authorSha, Mahesh K.es_ES
dc.contributor.authorHase, Frankes_ES
dc.contributor.authorKiel, Matthaeuses_ES
dc.contributor.authorBlumenstock, Thomases_ES
dc.contributor.authorHarig, Rolandes_ES
dc.contributor.authorSurawicz, Gregores_ES
dc.contributor.authorDeutscher, Nicholas Michaeles_ES
dc.contributor.authorShiomi, Keies_ES
dc.contributor.authorFranklin, Jonathanes_ES
dc.contributor.authorBösch, Hartmutes_ES
dc.contributor.authorChen, Jia-
dc.contributor.authorGrutter, Michel-
dc.contributor.authorOhyama, Hirofumi-
dc.contributor.authorSun, Youwen-
dc.contributor.authorButz, André-
dc.contributor.authorMengistu Tsidu, Gizaw-
dc.contributor.authorEne, Dragos-
dc.contributor.authorWunch, Debra-
dc.contributor.authorCao, Zhensong-
dc.contributor.authorGarcía Rodríguez, Omaira Elena-
dc.contributor.authorRamonet, M.-
dc.contributor.authorVogel, Felix-
dc.contributor.authorOrphal, J.-
dc.date.accessioned2018-06-13T08:41:32Z-
dc.date.available2018-06-13T08:41:32Z-
dc.date.issued2018-
dc.identifier.citationAtmospheric Measurement Techniques Discussions. 2018es_ES
dc.identifier.issn1867-8610-
dc.identifier.urihttp://hdl.handle.net/20.500.11765/9319-
dc.description.abstractIn a 3.5 year long study, the long term performance of a mobile Bruker EM27/SUN spectrometer, used for greenhouse gases observations, is checked with respect to a co-located reference Bruker IFS 125HR spectrometer, which is part of the Total Carbon Column Observing Network (TCCON). We find that the EM27/SUN is stable on timescales of several years, qualifying it as an useful supplement for the existing TCCON network in remote areas. For achieving consistent performance, such an extension requires careful testing of any spectrometers involved by application of common quality assurance measures. One major aim of the COllaborative Carbon Column Observing Network (COCCON) infrastructure is to provide these services to all EM27/SUN operators. In the framework of COCCON development, the performance of an ensemble of 30 EM27/SUN spectrometers was tested and found to be very uniform, enhanced by the centralized inspection performed at the Karlsruhe Institute of Technology prior to deployment. Taking into account measured instrumental line shape parameters for each spectrometer, the resulting average bias across the ensemble in XCO2 is 0.20 ppm, while it is 0.8 ppb for XCH4. As indicated by the executed long-term study on one device presented here, the remaining empirical calibration factor deduced for each individual instrument can be assumed constant over time. Therefore the application of these empirical factors is expected to further improve the EM27/SUN network conformity beyond the raw residual bias reported above.es_ES
dc.description.sponsorshipWe acknowledge funding from the Australian Space Research Program - Greenhouse Gas Monitoring Project, the Australian Research Council project DE140100178, and the Centre for Atmospheric Chemistry (CAC) Research Cluster supported by the University of Wollongong Faculty of Science, Medicine and Health.es_ES
dc.language.isoenges_ES
dc.publisherEuropean Geosciences Uniones_ES
dc.rightsLicencia CC: Reconocimiento CC BYes_ES
dc.subjectTotal Carbon Column Observing Networkes_ES
dc.subjectGreenhouse gases observations-
dc.subjectFourier transform spectrometers-
dc.subjectSpectrometers-
dc.titleBuilding the COllaborative Carbon Column Observing Network (COCCON): Long term stability and ensemble performance of the EM27/SUN Fourier transform spectrometer [Discussion paper]es_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherversionhttps://dx.doi.org/10.5194/amt-2018-146es_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
Colecciones: Artículos científicos 2015-2018


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