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Continuous measurements of atmospheric CO2 concentrations were carried out along three ship-routes from Italy to Antarctica in 1994/95, 1996/97 and 1998/99. The growth rate of CO2 for four latitudinal belts with arbitrarily chosen boundaries (from 45°N to 80°S) is reported for the three expeditions. The northernmost belt shows the largest growth rate between 1996 and 1998 (close to 6 ppm/yr) while...
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