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Data behind Figures in "Peroxy acetyl nitrate (PAN) measurements at northern midlatitude mountain sites in April: a constraint on continental source–receptor relationships"

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dc.contributor.authorFiore, Arlene M.
dc.contributor.authorFischer, Emily V.
dc.contributor.authorMilly, George P.
dc.contributor.authorPandey Deolal, Shubha
dc.contributor.authorWild, Oliver
dc.contributor.authorJaffe, Dan
dc.contributor.authorStaehelin, Johannes
dc.contributor.authorClifton, Olivia E.
dc.contributor.authorBergmann, Dan
dc.contributor.authorCollins, William
dc.contributor.authorDentener, Frank
dc.contributor.authorDoherty, Ruth M.
dc.contributor.authorDuncan, Bryan N.
dc.contributor.authorFischer, Bernd
dc.contributor.authorGilge, Stefan
dc.contributor.authorHess, Peter G.
dc.contributor.authorHorowitz, Larry W.
dc.contributor.authorLupu, Alexandru
dc.contributor.authorMacKenzie, Ian
dc.contributor.authorPark, Rokjin
dc.contributor.authorRies, Ludwig
dc.contributor.authorSanderson, Michael G.
dc.contributor.authorSchultz, Martin G.
dc.contributor.authorShindell, Drew T.
dc.contributor.authorSteinbacher, Martin
dc.contributor.authorStevenson, David S.
dc.contributor.authorSzopa, Sophie
dc.contributor.authorZellweger, Christoph
dc.contributor.authorZeng, Guang
dc.date.accessioned2018-01-11T21:06:11Z
dc.date.available2018-01-11T21:06:11Z
dc.date.issued2018
dc.descriptionThis archive contains data used for figures in "Peroxy acetyl nitrate (PAN) measurements at northern midlatitude mountain sites in April: a constraint on continental source–receptor relationships." Included are data from model simulations of the year 2001, and observations spanning the years 1995-2010. Data is primarily in text file format aside from a collection of gridded modeled data in netCDF format. Full contents are described in README file.
dc.descriptionDepartment of Atmospheric Science
dc.description.abstractAbundance-based model evaluations with observations provide critical tests for the simulated mean state in models of intercontinental pollution transport, and under certain conditions may also offer constraints on model responses to emission changes. We compile multiyear measurements of peroxy acetyl nitrate (PAN) available from five mountaintop sites and apply them in a proof-of-concept approach that exploits an ensemble of global chemical transport models (HTAP1) to identify an observational "emergent constraint". In April, when the signal from anthropogenic emissions on PAN is strongest, simulated PAN at northern midlatitude mountaintops correlates strongly with PAN source–receptor relationships (the response to 20 % reductions in precursor emissions within northern midlatitude continents; hereafter, SRRs). This finding implies that PAN measurements can provide constraints on PAN SRRs by limiting the SRR range to that spanned by the subset of models simulating PAN within the observed range. In some cases, regional anthropogenic volatile organic compound (AVOC) emissions, tracers of transport from different source regions, and SRRs for ozone also correlate with PAN SRRs. Given the large observed interannual variability in the limited available datasets, establishing strong constraints will require matching meteorology in the models to the PAN measurements. Application of this evaluation approach to the chemistry– climate models used to project changes in atmospheric composition will require routine, long-term mountaintop PAN measurements to discern both the climatological SRR signal and its interannual variability.
dc.description.sponsorshipArlene M. Fiore and Bryan N. Duncan acknowledge NASA MAP (NNX14AM38G). David S. Stevenson acknowledges NERC 15 (grantsNE/K001329/1andNE/N003411/1) and the ARCHERUK National Supercomputing Service (http://www.archer.ac.uk, last access: 17 October 2018). Drew T. Shindell acknowledges the NASA High-End Computing Program through the NASA Center for Climate Simulation at GSFC for computational resources. Michael G. Sanderson was supported by the Met Office Hadley Centre Climate Programme funded by BEIS and Defra.
dc.format.mediumZIP
dc.format.mediumCSV
dc.format.mediumNetCDF
dc.format.mediumPDF
dc.format.mediumTXT
dc.format.mediumDAT
dc.identifier.urihttps://hdl.handle.net/10217/185610
dc.identifier.urihttp://dx.doi.org/10.25675/10217/185610
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Librariesen_US
dc.relation.ispartofResearch Data
dc.relation.isreferencedbyFiore, A.M., Fischer, E.V., Milly, G.P., Pandey Deolal, S., Wild, O., Jaffe, D., Staehelin, J., Clifton, O.E., Bergmann, D., Collins, W., Dentener, F., Doherty, R. M., Duncan, B. N., Fischer, B., Gilge, S., Hess, P. G., Horowitz, L. W., Lupu, A., MacKenzie, I., Park, R., Ries, L., Sanderson, M., Schultz, M. G., Shindell, D. T., Steinbacher, M., Stevenson, D. S., Szopa, S., Zellweger, C., and Zeng, G.: Peroxy acetyl nitrate (PAN) measurements at northern mid-latitude mountain sites in April: a constraint on continental source-receptor relationships, Atmos. Chem. Phys., 18, 15345-15361, 2018, https://doi.org/10.5194/acp-2018-90
dc.subjectPAN
dc.subjectPeroxy acetyl nitrate
dc.subjectatmospheric chemistry
dc.subjectemergent constraint
dc.subjectintercontinental transport
dc.subjectair pollution
dc.subjecthemispheric transport
dc.subjectozone
dc.titleData behind Figures in "Peroxy acetyl nitrate (PAN) measurements at northern midlatitude mountain sites in April: a constraint on continental source–receptor relationships"en_US
dc.typeDataseten_US

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