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helium





I apologize in case you got this already two days ago


Dear all,
unfortunately i will be unable to attend next weeks meeting in Princeton.
For the eventual runs for helium3 i suggest the procedure
of Farley et al., JGR solid earth ,3829 - 3839, 1995.
(For these runs, probably nobody would object any kind of 
deep sea acceleration, but we need some millenia)
followin is a list of 6 ridge lines, subdivided in short segments
Main ridge system is divided into 256 subsegments with 257 marker points
then: latitude. longitude, spreading rate(cm/year) and degassing
in km 1,2,3,4, respectively.
subject of modeling is one tracer that emanates locally proportional to
the spreading rate and is set to zero (modulo gas exchange) at the surface.
This will not work in the Atlantic where the low Helium-3 values are
a mystery for geophysicists. The transformation to the standard
notation will then be done from the global inventory and/or from the
global sea-to air flux.
ernst




257
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       22.8       -45         2.5      0      0      0      1
         23       -45         2.5      0      0      0      1
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       69.6       -16         1.7      0      1      0      0
         70       -15         1.8      0      0      0      1
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       72.5         3         1.5      0      0      0      1
       73.7       8.5         1.7      0      0      0      1
       83.4      -4.5         1.5      0      0      0      1
       84.1         0         1.3      0      0      0      1
       84.9       7.5         1.3      0      0      0      1
       86.5        43         1.2      0      0      0      1
 38
        2.3      -101         4.5      0      0      1      0
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        0.9     -87.4         6.3      0      1      0      0
        0.9     -87.4         6.2      0      1      0      0
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        0.8     -86.2         6.4      0      1      0      0
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        0.8     -86.1         6.5      0      1      0      0
        0.8     -85.7         5.8      0      1      0      0
        3.2     -83.9         6.7      0      1      0      0
        3.3     -83.5         6.9      0      1      0      0
        3.3     -83.2         7.2      0      1      0      0
        3.3     -83.2         7.1      0      1      0      0
        3.3     -83.2         6.9      0      1      0      0
        3.3     -83.2         6.8      0      1      0      0
  6
        -33      -112         7.6      0      0      1      0
      -36.5     -97.5         7.6      0      0      1      0
      -40.5       -92         7.6      0      0      1      0
      -41.7       -84         7.6      0      0      1      0
        -43       -83         7.6      0      0      1      0
        -45       -77         7.6      0      0      1      0
 43
       19.3        39         1.6      0      1      0      0
         18        40         1.6      0      1      0      0
         12      45.6        1.92      0      1      0      0
       14.8      54.8        2.12      0      1      0      0
       14.7      55.6         2.2      0      0      1      0
       14.6        56        2.26      0      0      1      0
       14.4      53.6        2.06      0      0      1      0
       14.3      56.5         2.2      0      0      1      0
         14      51.7         2.2      0      0      1      0
       13.7      57.3        2.22      0      0      1      0
       13.4      50.7        1.96      0      0      1      0
       13.2      50.9           2      0      0      1      0
       12.1      45.8         1.9      0      0      1      0
      12.05     44.29         1.7      0      0      1      0
         11      57.5           2      0      0      1      0
       9.95     57.51         2.5      0      0      1      0
        9.5      58.5         2.7      0      0      1      0
        7.9      59.1         2.4      0      0      1      0
        7.1     59.87         2.8      0      0      1      0
        6.8        60         2.7      0      0      1      0
       5.54     61.66         2.9      0      0      1      0
        5.1      61.6         2.7      0      0      1      0
        4.1      62.6         2.8      0      0      1      0
        3.7      63.3         2.9      0      0      1      0
       1.48     67.01         3.3      0      0      1      0
          0     67.35         3.3      0      0      1      0
       -0.1     67.17         3.2      0      0      1      0
       -2.8      67.1         3.2      0      0      1      0
        -12        66         3.7      0      0      1      0
      -12.4     66.51         3.9      0      0      1      0
      -12.8      66.4         3.7      0      0      1      0
      -15.5        67         3.7      0      0      1      0
        -16        66         3.8      0      0      1      0
      -18.9     65.87         4.2      0      0      1      0
      -19.5        66         4.1      0      0      1      0
     -19.58     68.76         4.6      0      0      1      0
      -20.3      66.5         4.9      0      0      1      0
      -21.5      68.5         4.9      0      0      1      0
      -21.8      68.7           5      0      0      1      0
        -22      68.9         4.9      0      0      1      0
     -23.82     69.66         5.1      0      0      1      0
      -24.3        70         5.2      0      0      1      0
      -24.9     69.88           5      0      0      1      0
  7
      -60.5     -19.5         1.9      0      0      1      0
      -59.8     -18.5         1.9      0      0      1      0
      -58.9     -16.5         1.9      0      0      1      0
      -56.2      -4.7         1.9      0      0      1      0
      -56.1      -4.7         1.9      0      0      1      0
        -56      -4.7         1.9      0      0      1      0
      -55.3      -1.6           2      0      0      1      0
  6
         40      -130           5      0      1      0      0
         43      -128           5      0      1      0      0
         44      -131           5      0      1      0      0
         48      -130           5      0      1      0      0
         49      -131           5      0      1      0      0
         51    -130.5           5      0      1      0      0

(end)