Nitrogen cycling in the secondary nitrite maximum of the eastern tropical North Pacific off Costa Rica
Nitrite is a central intermediate in the marine nitrogen cycle and represents a critical juncture
where nitrogen can be reduced to the less bioavailable N2 gas or oxidized to nitrate and …
where nitrogen can be reduced to the less bioavailable N2 gas or oxidized to nitrate and …
Aspects of the marine nitrogen cycle of the Chukchi Sea shelf and Canada Basin
ZW Brown, KL Casciotti, RS Pickart, JH Swift… - Deep Sea Research …, 2015 - Elsevier
As a highly productive, seasonally ice-covered sea with an expansive shallow continental
shelf, the Chukchi Sea fuels high rates of sedimentary denitrification. This contributes to its …
shelf, the Chukchi Sea fuels high rates of sedimentary denitrification. This contributes to its …
Isotopic evidence for the occurrence of biological nitrification and nitrogen deposition processing in forest canopies
This study examines the role of tree canopies in processing atmospheric nitrogen (Ndep) for
four forests in the United Kingdom subjected to different Ndep: Scots pine and beech stands …
four forests in the United Kingdom subjected to different Ndep: Scots pine and beech stands …
Nitrate isotope distributions on the US GEOTRACES North Atlantic cross-basin section: Signals of polar nitrate sources and low latitude nitrogen cycling
We report and interpret the nitrate δ 15 N and δ 18 O distributions in the cross-basin transect
of the US GEOTRACES North Atlantic expedition. Low nitrate δ 15 N observed in the …
of the US GEOTRACES North Atlantic expedition. Low nitrate δ 15 N observed in the …
Isotopic evidence for the turnover of biological reactive nitrogen in the Pearl River Estuary, south China
Abstract Nitrate (NO3−) concentrations and the isotopic composition (δ15N and δ18O) of
water samples from the Pearl River Estuary (PRE), south China, were measured to constrain …
water samples from the Pearl River Estuary (PRE), south China, were measured to constrain …
Isotopic evidence for nitrification in the Antarctic winter mixed layer
SM Smart, SE Fawcett, SJ Thomalla… - Global …, 2015 - Wiley Online Library
We report wintertime nitrogen and oxygen isotope ratios (δ15N and δ18O) of seawater
nitrate in the Southern Ocean south of Africa. Depth profile and underway surface samples …
nitrate in the Southern Ocean south of Africa. Depth profile and underway surface samples …
Vertical decoupling of nitrate assimilation and nitrification in the Sargasso Sea
The fraction of phytoplankton growth that leads to the rain of organic carbon out of the sunlit
surface ocean (“export production”) is central to the ocean׳ s sequestration of atmospheric …
surface ocean (“export production”) is central to the ocean׳ s sequestration of atmospheric …
Nutrient cycling in the Atlantic basin: The evolution of nitrate isotope signatures in water masses
RE Tuerena, RS Ganeshram, W Geibert… - Global …, 2015 - Wiley Online Library
A basin‐wide transect of nitrate isotopes (δ15NNO3, δ18ONO3), across the UK
GEOTRACES 40° S transect in the South Atlantic is presented. This data set is used to …
GEOTRACES 40° S transect in the South Atlantic is presented. This data set is used to …
Nitrogen cycling in the deep sedimentary biosphere: nitrate isotopes in porewaters underlying the oligotrophic North Atlantic
SD Wankel, C Buchwald, W Ziebis, CB Wenk… - …, 2015 - bg.copernicus.org
Nitrogen (N) is a key component of fundamental biomolecules. Hence, its cycling and
availability are central factors governing the extent of ecosystems across the Earth. In the …
availability are central factors governing the extent of ecosystems across the Earth. In the …
High turnover rates indicated by changes in the fixed N forms and their stable isotopes in A ntarctic landfast sea ice
We report concentration and nitrogen and oxygen isotopic measurements of nitrate, total
dissolved nitrogen, and particulate nitrogen from Antarctic landfast sea ice, covering almost …
dissolved nitrogen, and particulate nitrogen from Antarctic landfast sea ice, covering almost …