未来海洋一氧化二氮产生的关键取决于占海洋体积约10%的缺氧和低氧水域到底会怎样。
The future of Marine N2O production depends critically on what will happen to the roughly ten percent of the ocean volume that is hypoxic and suboxic.
据粗略估计，人类已经勘探的海域只占海洋总面积的大约5%，而差不多所有已勘探区域都在海底1,000英尺以上。
By liberal estimates, we've explored about 5 percent of the seas, and nearly all of that in the first 1,000 feet.
目前低氧水域产生的一氧化二氮占海洋一氧化二氮净产出的一半，如果这些“死水区”继续扩大，我们将看到大气中的一氧化二氮会有更加显著的增加。”
With low-oxygen waters currently producing abouthalf of the ocean's net nitrous oxide, we could see an additionalsignificant atmospheric increase if these 'dead zones' continue toexpand.
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