2023
DOI: 10.1002/lno.12378
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Late‐season nitrogen uptake across the western coastal Alaskan Arctic

Abstract: Productivity in the Arctic is expected to increase as temperatures and the number of open water days rise. With this increased productivity, the coastal shelves of the Arctic Ocean may act as a sink for atmospheric carbon. However, this storage is dependent on a sufficient nitrogen (N) supply and current literature on biogeochemical rates of N uptake in this region is severely limited. Here, we report the spatial extent and rate at which the aquatic microbial community utilizes inorganic and organic N substrat… Show more

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Cited by 2 publications
(1 citation statement)
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“…It has been hypothesized that the high N:P ratios found in SGD may cause systems to become P rather than N‐limited (Santos et al., 2021; Slomp & Cappellen, 2004). The average inorganic DIN:DIP ratio of the YRE itself is 40 ± 12 and fluctuates seasonally; exhibiting N limitation in the summer and fall and P limitation in winter (Killberg‐Thoreson et al., 2013; Sin et al., 1999; Stanley, 2021). Our data suggest that the DIN:DIP ratio of groundwater, calculated using the shallow endmember, varies with season.…”
Section: Discussionmentioning
confidence: 99%
“…It has been hypothesized that the high N:P ratios found in SGD may cause systems to become P rather than N‐limited (Santos et al., 2021; Slomp & Cappellen, 2004). The average inorganic DIN:DIP ratio of the YRE itself is 40 ± 12 and fluctuates seasonally; exhibiting N limitation in the summer and fall and P limitation in winter (Killberg‐Thoreson et al., 2013; Sin et al., 1999; Stanley, 2021). Our data suggest that the DIN:DIP ratio of groundwater, calculated using the shallow endmember, varies with season.…”
Section: Discussionmentioning
confidence: 99%