Global nitrogen cycle: critical enzymes, organisms, and processes for nitrogen budgets and dynamics

X Zhang, BB Ward, DM Sigman - Chemical reviews, 2020 - ACS Publications
Nitrogen (N) is used in many of life's fundamental biomolecules, and it is also a participant in
environmental redox chemistry. Biogeochemical processes control the amount and form of N …

Ocean biogeochemical modelling

K Fennel, JP Mattern, SC Doney, L Bopp… - Nature Reviews …, 2022 - nature.com
Ocean biogeochemical models describe the ocean's circulation, physical properties,
biogeochemical properties and their transformations using coupled differential equations …

[HTML][HTML] Enhanced ocean oxygenation during Cenozoic warm periods

A Auderset, S Moretti, B Taphorn, PR Ebner, E Kast… - Nature, 2022 - nature.com
Dissolved oxygen (O2) is essential for most ocean ecosystems, fuelling organisms'
respiration and facilitating the cycling of carbon and nutrients. Oxygen measurements have …

Pathways to sustaining tuna-dependent Pacific Island economies during climate change

JD Bell, I Senina, T Adams, O Aumont… - Nature …, 2021 - nature.com
Climate-driven redistribution of tuna threatens to disrupt the economies of Pacific Small
Island Develo** States (SIDS) and sustainable management of the world's largest tuna …

The biological carbon pump in CMIP6 models: 21st century trends and uncertainties

JD Wilson, O Andrews, A Katavouta… - Proceedings of the …, 2022 - pnas.org
The biological carbon pump (BCP) stores∼ 1,700 Pg C from the atmosphere in the ocean
interior, but the magnitude and direction of future changes in carbon sequestration by the …

Microbial sulfate reduction and organic sulfur formation in sinking marine particles

MR Raven, RG Keil, SM Webb - Science, 2021 - science.org
Climate change is driving an expansion of marine oxygen-deficient zones, which may alter
the global cycles of carbon, sulfur, nitrogen, and trace metals. Currently, however, we lack a …

Oxygen rise in the tropical upper ocean during the Paleocene-Eocene Thermal Maximum

S Moretti, A Auderset, C Deutsch, R Schmitz, L Gerber… - Science, 2024 - science.org
The global ocean's oxygen inventory is declining in response to global warming, but the
future of the low-oxygen tropics is uncertain. We report new evidence for tropical …

Eddies affect subsurface phytoplankton and oxygen distributions in the North Pacific Subtropical Gyre

P **u, F Chai - Geophysical Research Letters, 2020 - Wiley Online Library
Abstract The North Pacific Subtropical Gyre (NPSG) is an oligotrophic environment where a
number of mesoscale eddies occur. With continuous measurements from Biogeochemical …

[HTML][HTML] Unique ocean circulation pathways reshape the Indian Ocean oxygen minimum zone with warming

S Ditkovsky, L Resplandy, J Busecke - Biogeosciences, 2023 - bg.copernicus.org
The global ocean is losing oxygen with warming. Observations and Earth system model
projections, however, suggest that this global ocean deoxygenation does not equate to a …

Ventilation pathways for the North Pacific oxygen deficient zone

A Margolskee, H Frenzel, S Emerson… - Global …, 2019 - Wiley Online Library
Oxygen deficient zones (ODZs) in the tropical ocean exert a profound influence on global
biogeochemical cycles, but the factors that regulate their long‐term structure and sensitivity …