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 Table 4. Strat-trop exchange in GCC_TT_13.4.0-rc.1 for year 2019
          (i.e. species flux across 100 hPa)

 Units: g/yr

 Annual mean is weighted by the number of days per month
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                  Pb210         Be7        Be10
Jan 2019         8.0235      6.7793    106.3694
Feb 2019         5.0615      6.1664     94.8736
Mar 2019         1.5384      4.5167     69.0855
Apr 2019         1.2457      5.7559     82.1278
May 2019        -0.3404      3.7956     56.1481
Jun 2019        -2.1040      3.4110     56.4660
Jul 2019        -8.5605      3.3634     58.9445
Aug 2019       -10.0931      4.9745     81.3669
Sep 2019        -8.4449      7.2695    114.9174
Oct 2019        -0.2147      5.4073     84.7605
Nov 2019         6.6989      7.0628    105.3760
Dec 2019         4.2923      4.0145     64.3877
Annual Mean     -0.2805      5.1946     81.0302