Significant Biologically Mediated CO 2 Uptake in the Pacific Arctic During the Late Open Water Season Journal of Geophysical Research: Oceans
收藏NOAA Institutional Repository2023-09-12 更新2026-04-25 收录
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https://doi.org/10.1029/2018jc014568
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Shifting baselines in the Arctic atmosphere ‐sea ice ‐ocean system have signi ficant potential to alter biogeochemical cycling and ecosystem dynamics. In particular, the impact of increased open waterduration on lower trophic level productivity and biological CO 2sequestration is poorly understood. Using high‐resolution observations of surface seawater dissolved O 2/Ar and pCO2collected in the Paci fic Arctic in October 2011 and 2012, we evaluate spatial variability in biological metabolic status (autotrophy vsheterotrophy) as constrained by O 2/Ar saturation ( ΔO2/Ar) as well as the relationship between net biological production and the sea ‐air gradient of pCO2(ΔpCO 2). We find a robust relationship between
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NOAA
创建时间：
2023-09-12
