2023
DOI: 10.1029/2022jg007326
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Nitrous Oxide Dynamics in the Siberian Arctic Ocean and Vulnerability to Climate Change

Abstract: Nitrous oxide (N2O) is a strong greenhouse gas and stratospheric ozone‐depleting substance. Around 20% of global emissions stem from the ocean, but current estimates and future projections are uncertain due to poor spatial coverage over large areas and limited understanding of drivers of N2O dynamics. Here, we focus on the extensive and particularly data‐lean Arctic Ocean shelves north of Siberia that experience rapid warming and increasing input of land‐derived nitrogen with permafrost thaw. We combine water … Show more

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Cited by 3 publications
(2 citation statements)
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“…The collected water was not filtered and analyzed immediately for DSi concentration using the same methods described earlier for water column sampling. Sediment incubations were also used to measure fluxes of dissolved gases (Wild et al, 2023), which yielded a total volume replacement of <10%. The volume of sample replaced during this time was replaced with water siphoned from adjacent cores and kept in a carboy.…”
Section: Sediment Collection and Flux Incubationsmentioning
confidence: 99%
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“…The collected water was not filtered and analyzed immediately for DSi concentration using the same methods described earlier for water column sampling. Sediment incubations were also used to measure fluxes of dissolved gases (Wild et al, 2023), which yielded a total volume replacement of <10%. The volume of sample replaced during this time was replaced with water siphoned from adjacent cores and kept in a carboy.…”
Section: Sediment Collection and Flux Incubationsmentioning
confidence: 99%
“…O 2 fluxes were calculated using a regression of concentration over time, and were considered significant when the regression R 2 ≥ 0.65 and p ≤ 0.10 (Prairie, 1996; Wild et al, 2023). All O 2 fluxes met these standards except for two incubations, which had positive O 2 fluxes, indicating an improper seal of the lid (Station 6961 and 6963 in the outer East Siberian Sea).…”
Section: Sediment Collection and Flux Incubationsmentioning
confidence: 99%