Relevance of dissolved organic nutrients for the Arctic Ocean nutrient budget

Relevance of dissolved organic nutrients for the Arctic Ocean nutrient budget
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溶解有机营养物与北冰洋营养物收支的相关性

DOI:
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发表时间:
2016
期刊:
影响因子:
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通讯作者:
S. Bacon
S. Bacon
中科院分区:
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文献类型:
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作者:
S. Torres;Takamasa Tsubouchi;Emily Davey;I. Yashayaev;S. Bacon

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我们问溶解有机氮(DON)和磷(DOP)是否可以解释先前确定的北冰洋(AO)无机营养收支失衡。我们通过计算指示性预算来评估往返AO的运输。欧亚AO与美亚AO之间DON:DOP比值的显著差异反映了不同的物理和地球化学途径。DON和DOP通过戴维斯海峡输出到北大西洋,可能在白令海峡过境时增加。弗拉姆海峡的运输是平衡的。巴伦支海开放运输可能提供额外的营养源,巴伦支海或可能被锁定在更广泛的AO大西洋水循环。我们的知识差距被确定和讨论。
We ask whether dissolved organic nitrogen (DON) and phosphorus (DOP) could account for previously identified Arctic Ocean (AO) inorganic nutrient budget imbalances. We assess transports to/from the AO by calculating indicative budgets. Marked DON:DOP ratio differences between the Amerasian and Eurasian AO reflect different physical and biogeochemical pathways. DON and DOP are exported to the North Atlantic via Davis Strait potentially being enhanced in transit from Bering Strait. Fram Strait transports are balanced. Barents Sea Opening transports may provide an additional nutrient source to the Barents Sea or may be locked within the wider AO Atlantic Water circulation. Gaps in our knowledge are identified and discussed.
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影响因子: 4.9
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