Science. 1983 Jul 15;221(4607):265-8. doi: 10.1126/science.221.4607.265.
The concentrations of two industrially produced chlorofluoromethanes, CCl(3)F(F-11) and CCl(2)F(2)(F-12), have been measured in the water column and in the marine atmosphere of the Greenland and Norwegian seas. Measurable concentrations of these two chlorofluoromethanes have penetrated to the deep basins of both of these regions, and the general characteristics of their vertical distributions are similar to those of the bomb-produced radioisotopes injected into the atmosphere on a similar time scale. The data have been fitted to a time-dependent box model based on deep convective mixing in the Greenland Sea and lateral exchange between the deep basins. The model calculations for the two chlorofluoromethanes in the Greenland Sea give similar results, with a time scale for deep convection of about 40 years. The time scale for lateral mixing between the deep Greenland Sea and the deep Norwegian Sea is estimated to be 20 to 30 years, although the agreement between the calculations for the two chlorofluoromethanes is limited by analytical uncertainties at the low concentrations found in the deep Norwegian Sea and by uncertainties in the model assumptions.
两种工业生产的氯氟甲烷——CCl3F（F-11）和 CCl2F2（F-12）——在格陵兰和挪威海的水柱和海洋大气中的浓度已经被测量到。这两种氯氟甲烷的可测量浓度已经渗透到这两个地区的深海盆地，它们的垂直分布特征与在类似时间尺度上注入大气的放射性同位素的爆炸产物相似。数据已经根据格陵兰海的深对流混合和深海盆地之间的侧向交换，拟合到一个时变的箱式模型中。该模型对格陵兰海两种氯氟甲烷的计算结果相似，深对流的时间尺度约为 40 年。深格陵兰海和深挪威海之间的侧向混合时间尺度估计为 20 到 30 年，尽管两种氯氟甲烷的计算结果之间的一致性受到在深挪威海发现的低浓度的分析不确定性以及模型假设的不确定性的限制。
