Long-term trends of nutrients and apparent oxygen utilization South of the polar front in Southern Ocean intermediate water from 1965 to 2008.

PLoS One · 2013 · PMC3749197 · PMID 23990984

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a decreasing trendno p-value reported

We found significant increasing trends in phosphate and nitrate, and a decreasing trend in apparent oxygen utilization (AOU) in intermediate water (neutral density = 27.8–28.1 kgm −3 ) south of the polar front.

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