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Simulation of radon-222 with the GEOS-Chem global model: Emissions, seasonality, and convective transport

Bo Zhang; Hongyu Liu; James Crawford; Gao Chen; Duncan Fairlie; Scott Chambers; Chang-Hee Kang; Alastair Williams; Kai Zhang; David Considin; Melissa Sulprizio; Robert Yantosca


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    "description": "<p>Data repository for paper:<br>\n&quot;Simulation of radon-222 with the GEOS-Chem global model:<br>\nEmissions, seasonality, and convective transport&quot; by<br>\nBo Zhang, Hongyu Liu, James H. Crawford, Gao Chen,<br>\nT. Duncan Fairlie, Scott Chambers, Chang-Hee Kang,<br>\nAlastair G. Williams, Kai Zhang, David B. Considine,<br>\nDaniel J. Jacob, Melissa P. Sulprizio,<br>\nand Robert M. Yantosca, submitted to Atmos. Chem. Phys., July 2020</p>\n\n<p>Created by Bo Zhang (bzhang@nianet.org), July 2020</p>\n\n<p>-&gt; Data&nbsp; &nbsp;<br>\n&nbsp;&nbsp; -&gt; Rn_surface<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contains site measurement files<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&gt; Please refer to Zhang et al. (2011) for most of the surface<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; site measurements.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&gt; MLO_radon.xlsx<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Long-term Rn-222 measurements at Mauna Loa.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -&gt; Gosan_2001-2010.xlsx<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Long-term Rn-222 measurements at Gosan.<br>\n&nbsp;&nbsp; -&gt; Rn_profile<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Contains no data here. Please refer to Liu et al. (1984),<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Kritz et al. (1998), Zaucker et al. (1996), and<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Williams et al. (2011) for the four Rn-222 profile datasets.&nbsp; &nbsp;</p>\n\n<p>-&gt; Model_modified<br>\n&nbsp;&nbsp; -&gt; Code_1101f_Rn_paper<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The folder contains a complete code directory of GEOS-Chem v11-01f.<br>\n&nbsp;&nbsp; -&gt; hcox_gc_RnPbBe_mod.F90.ZKCHA120NASWred<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; This file replaces HEMCO/Extensions/hcox_gc_RnPbBe_mod.F90<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; under GEOS-Chem version 11.01f code directory to read the<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; updated emission files (Rn_emis_ZKCHA120_NASWred). Search &#39;bz&#39; in<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; the file for modifications.<br>\n&nbsp;&nbsp; -&gt; Rn_emis_ZKCHA120_NASWred: updated global Rn-222 emission fluxes.<br>\n&nbsp;&nbsp;&nbsp;&nbsp; -&gt; ZKC_EMIS_ARR_ATOM_2X25_MONTHLY.sav<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IDL save-file with saved monthly mean Rn-222 emission fluxes.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (gridded 2x2.5 array ZKC_EMIS_ARR_ATOM_2X25_MONTHLY)<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Unit is atom Rn-222 per cm2 per second.<br>\n&nbsp;&nbsp;&nbsp;&nbsp; -&gt; Rn_emis_ZKCHA120_NASWred_2x25_std01-12<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Text files need to be put under GEOS-Chem run directory.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Each monthly file contains a single column array.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The data are placed in a longitude and latitude sequence<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; starting from (180W, 89.5S) to (178W, 89.5S) .... and<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; until (177.5E, 89.5N).<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The entire folder needs to be placed under GEOS-Chem run directory.<br>\n&nbsp;&nbsp;&nbsp;&nbsp; -&gt; For the other three emission scenarios used in the paper<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; please refer to Jacob et al. (1997), Schery and Wasiolek (1998),<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; and Zhang et al. (2011).</p>\n\n<p>-&gt; Model_output &nbsp;<br>\n&nbsp; -&gt; tracerinfo.dat, diaginfo.dat: GEOS-Chem dat files needed for IDL-GAMAP<br>\n&nbsp; -&gt; rpbbe2_1101f_merra_2013_JA97.bpch: model output with emission JA97.<br>\n&nbsp; -&gt; rpbbe2_1101f_merra_2013_SW98.bpch: model output with emission SW98.<br>\n&nbsp; -&gt; rpbbe2_1101f_merra_2013_ZK11.bpch: model output with emission ZK11.<br>\n&nbsp; -&gt; rpbbe2_1101f_merra_2013_ZKCHA120NASWred.bpch: model output with the<br>\n&nbsp;&nbsp;&nbsp;&nbsp; updated emission in this work.</p>\n\n<p><br>\nReference:</p>\n\n<p>Jacob, D. J., Prather, M. J., Rasch, P. J., Shia, R. L.,<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Balkanski, Y. J., Beagley, S. R., ... &amp; Chipperfield, M. P.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1997). Evaluation and intercomparison of global atmospheric<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; transport models using 222Rn and other short\u2010lived tracers.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Journal of Geophysical Research: Atmospheres, 102(D5), 5953-5970.<br>\nKritz, M. A., Rosner, S. W. and Stockwell, D. Z.: Validation of<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; an off-line three-dimensional chemical transport model<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; using observed radon profiles: 1. Observations, J. Geophys.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Res, 103, 8425&ndash;8432, 1998.<br>\nLiu, S. C., Mcafee, J. R. and Cicerone, R. J.: Radon 222 and<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Tropospheric Vertical Transport, J. Geophys. Res.,<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 89(20), 7291&ndash;7297, doi:10.1029/JD089iD05p07291, 1984.<br>\nSchery, S. D. and Wasiolek, M. A.:&nbsp; Modeling radon flux<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; from the Earth&rsquo;s surface, in: Radon and Thorn in the<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Human Environment, in: Proceedings of the 7th Tohwa<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; University International Symposium, edited by:&nbsp; Katase,<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A. and Shimo, M., World Scientific Publishing Co. Pre.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Ltd., Singapore, 73&ndash;78, 1998.<br>\nWilliams, A. G., Zahorowski, W., Chambers, S., Griffiths,<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A., Hacker, J. M., Element, A. and Werczynski, S.:<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The vertical distribution of radon in clear and cloudy<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; daytime terrestrial boundary layers, J. Atmos. Sci., 68(1),<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 155&ndash;174, doi:10.1175/2010JAS3576.1, 2011.<br>\nZaucker, F., PH,&nbsp; and D., U, W., Berkowitz, C., nd Kromer,<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. and Broecker, W. S.: Atmospheric 222Rn measurements<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; during the 1993 NARE Intensive., J. Geophys. Res., 101,<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 29149&ndash;29164, 1996.<br>\nZhang, K., Feichter, J., Kazil, J., Wan, H., Zhuo, W.,<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Griffiths, A., ... &amp; Yver, C. (2011). Radon activity<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; in the lower troposphere and its impact on ionization<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rate: a global estimate using different radon emissions.<br>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Atmospheric Chemistry and Physics, 11(15), 7817-7838.</p>\n\n<p>&nbsp;</p>\n\n<p>&nbsp;</p>", 
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    "title": "Simulation of radon-222 with the GEOS-Chem global model:   Emissions, seasonality, and convective transport", 
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        "affiliation": "National Institute of Aerospace", 
        "name": "Bo Zhang"
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        "affiliation": "National Institute of Aerospace", 
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        "affiliation": "Jeju National University", 
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        "affiliation": "Pacific Northwest National Laboratory", 
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        "affiliation": "NASA Headquarters", 
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        "affiliation": "Harvard University", 
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