Articles | Volume 16, issue 23
https://doi.org/10.5194/gmd-16-7037-2023
https://doi.org/10.5194/gmd-16-7037-2023
Model evaluation paper
 | 
04 Dec 2023
Model evaluation paper |  | 04 Dec 2023

Simulations of 7Be and 10Be with the GEOS-Chem global model v14.0.2 using state-of-the-art production rates

Minjie Zheng, Hongyu Liu, Florian Adolphi, Raimund Muscheler, Zhengyao Lu, Mousong Wu, and Nønne L. Prisle

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Cited articles

Ajtić, J., Brattich, E., Sarvan, D., Djurdjevic, V., and Hernandez-Ceballos, M. A.: Factors affecting the 7Be surface concentration and its extremely high occurrences over the Scandinavian Peninsula during autumn and winter, Chemosphere, 199, 278–285, https://doi.org/10.1016/j.chemosphere.2018.02.052, 2018. 
Ajtić, J., Zorko, B., Nečemer, M., Sarvan, D., Rajačić, M., Krneta Nikolić, J., Todorović, D., Djurdjevic, V., Vodenik, B., Glavič Cindro, D., and Kožar Logar, J.: Characteristics of radioactivity in the surface air along the 45°N zonal belt in South-Eastern Europe, Int. J. Environ. Sci. Technol., 19, 9719–9730, https://doi.org/10.1007/s13762-021-03814-0, 2022. 
Aldahan, A., Possnert, G., Johnsen, S. J., Clausen, H. B., Isaksson, E., Karlen, W., and Hansson, M.: Sixty year 10Be record from Greenland and Antarctica, Earth Planet. Sci., 107, 139–147, https://doi.org/10.1007/BF02840464, 1998. 
Aldahan, A., Possnert, G., and Vintersved, I.: Atmospheric interactions at northern high latitudes from weekly Be-isotopes in surface air, Appl. Radiat. Isot., 54, 345–353, https://doi.org/10.1016/S0969-8043(00)00163-9, 2001. 
Aldahan, A., Hedfors, J., Possnert, G., Kulan, A., Berggren, A. M., and Söderström, C.: Atmospheric impact on beryllium isotopes as solar activity proxy, Geophys. Res. Lett., 35, L21812, https://doi.org/10.1029/2008gl035189, 2008. 
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Short summary
The radionuclides 7Be and 10Be are useful tracers for atmospheric transport studies. Here we use the GEOS-Chem to simulate 7Be and 10Be with different production rates: the default production rate in GEOS-Chem and two from the state-of-the-art beryllium production model. We demonstrate that reduced uncertainties in the production rates can enhance the utility of 7Be and 10Be as tracers for evaluating transport and scavenging processes in global models.