TransCom continuous experiment: comparison of 222Rn transport at hourly time scales at three stations in Germany

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dc.contributor.authorTaguchi, Sen_AU
dc.contributor.authorLaw, RMen_AU
dc.contributor.authorRödenbeck, Cen_AU
dc.contributor.authorPatra, PKen_AU
dc.contributor.authorMaksyutov, Sen_AU
dc.contributor.authorZahorowski, Wen_AU
dc.contributor.authorSartorious, Hen_AU
dc.contributor.authorLevin, Ien_AU
dc.date.accessioned2012-04-18T05:54:43Zen_AU
dc.date.available2012-04-18T05:54:43Zen_AU
dc.date.issued2011en_AU
dc.date.statistics2012-04-18en_AU
dc.description.abstractFourteen global atmospheric transport models were evaluated by comparing the simulation of 222Rn against measurements at three continental stations in Germany: Heidelberg, Freiburg and Schauinsland. Hourly concentrations simulated by the models using a common 222Rn-flux without temporal variations were investigated for 2002 and 2003. We found that the mean simulated concentrations in Heidelberg are related to the diurnal amplitude of boundary layer height in each model. Summer mean concentrations simulated by individual models were negatively correlated with the seasonal mean of diurnal amplitude of boundary layer height, while in winter the correlation was positive. We also found that the correlations between simulated and measured concentrations at Schauinsland were higher when the simulated concentrations were interpolated to the station altitude in most models. Temporal variations of the mismatch between simulated and measured concentrations suggest that there are significant interannual variations in the 222Rn exhalation rate in this region. We found that the local inversion layer during daytime in summer in Freiburg has a significant effect on 222Rn concentrations. We recommend Freiburg concentrations for validation of models that resolve local stable layers and those at Heidelberg for models without this capability. © 2011, © Author(s) 2011.en_AU
dc.identifier.citationTaguchi, S., Law, R. M., Rödenbeck, C., Patra, P. K., Maksyutov, S., Zahorowski, W., Sartorius, H., & Levin, I., (2011). TransCom continuous experiment: comparison of 222Rn transport at hourly time scales at three stations in Germany. Atmospheric Chemistry and Physics, 11(19), 10071-10084. doi:10.5194/acp-11-10071-2011en_AU
dc.identifier.govdoc4080en_AU
dc.identifier.issn1680-7316en_AU
dc.identifier.issue19en_AU
dc.identifier.journaltitleAtmospheric Chemistry and Physicsen_AU
dc.identifier.pagination10071-10084en_AU
dc.identifier.urihttp://dx.doi.org/10.5194/acp-11-10071-2011en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4155en_AU
dc.identifier.volume11en_AU
dc.language.isoenen_AU
dc.publisherCopernicusen_AU
dc.subjectFederal Republic of Germanyen_AU
dc.subjectRadium 222en_AU
dc.subjectDecayen_AU
dc.subjectCarbon dioxideen_AU
dc.subjectAir transporten_AU
dc.subjectConcentration ratioen_AU
dc.titleTransCom continuous experiment: comparison of 222Rn transport at hourly time scales at three stations in Germanyen_AU
dc.typeJournal Articleen_AU
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