On the dissolved surface oxygen supersaturation in the Arctic
On the dissolved surface oxygen supersaturation in the Arctic
复制标题
关于北极溶解表面氧过饱和度
DOI：
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发表时间：
1985
期刊：
影响因子：
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通讯作者：
P. Becker
中科院分区：
文献类型：
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作者：
Z. Top;Seelye Martin;P. Becker
最近，我们报道了北冰洋中溶解的氖氦比异常，并提出了氖过饱和是由冻结过程引起的。我们还预测了溶解气体的过饱和，比如氧，它比氖重。为了探索这些气体的示踪潜力，我们最近收集了更多的海水样本来测量稀有气体，进行了溶解氧测量，并进行了一系列实验室冷冻实验。在这里，我们报告在实验室冷冻实验期间和MIZEX 84现场项目期间进行的溶解氧测量结果。在实验室里，我们发现，在90厘米深的水柱中，1厘米的冰增长导致了大约0.5%的溶解氧过饱和。相反，冰相溶解氧饱和度为53±2%，在实验不确定度范围内，这一结果与现场得到的结果相同。
Recently we reported anomalous dissolved neon-helium ratios in the Arctic Ocean and suggested that the neon supersaturation is caused by the freezing process. We also predicted supersaturation of dissolved gases such as oxygen, which are heavier than neon. To pursue the tracer potential of these gases, we recently collected more seawater samples for the measurements of the noble gases, made dissolved oxygen measurements, and performed a set of laboratory freezing experiments. Here, we report the results of dissolved oxygen measurements made during the laboratory freezing experiments, and during the MIZEX 84 field program. In the laboratory we found that 1cm of ice growth caused approximately 0.5% dissolved oxygen supersaturation in a 90cm deep water column. Conversely, the ice phase was 53±2% undersaturated in dissolved oxygen, a result which is, within experimental uncertainties, identical to that obtained in the field.