Upper ocean biogeochemistry of the oligotrophic North Pacific Subtropical Gyre: from nutrient sources to carbon export

M Dai, YW Luo, EP Achterberg… - Reviews of …, 2023 - Wiley Online Library
Abstract Subtropical gyres cover 26%–29% of the world's surface ocean and are
conventionally regarded as ocean deserts due to their permanent stratification, depleted …

Emerging patterns of marine nitrogen fixation

JA Sohm, EA Webb, DG Capone - Nature Reviews Microbiology, 2011 - nature.com
Biological N2 fixation is an important part of the marine nitrogen cycle as it provides a source
of new nitrogen that can support biological carbon export and sequestration. Research in …

Atmospheric iron deposition: global distribution, variability, and human perturbations

NM Mahowald, S Engelstaedter, C Luo… - Annual review of …, 2009 - annualreviews.org
Atmospheric inputs of iron to the open ocean are hypothesized to modulate ocean
biogeochemistry. This review presents an integration of available observations of …

Metal flux from hydrothermal vents increased by organic complexation

SG Sander, A Koschinsky - Nature Geoscience, 2011 - nature.com
Hydrothermal vents in the sea floor release large volumes of hot, metal-rich fluids into the
deep ocean. Until recently, it was assumed that most of the metal released was incorporated …

Sedimentary and mineral dust sources of dissolved iron to the world ocean

JK Moore, O Braucher - Biogeosciences, 2008 - bg.copernicus.org
Analysis of a global compilation of dissolved-iron observations provides insights into the
processes controlling iron distributions and some constraints for ocean biogeochemical …

Novel insights into marine iron biogeochemistry from iron isotopes

JN Fitzsimmons, TM Conway - Annual Review of Marine …, 2023 - annualreviews.org
The micronutrient iron plays a major role in setting the magnitude and distribution of primary
production across the global ocean. As such, an understanding of the sources, sinks, and …

Impact of anthropogenic combustion emissions on the fractional solubility of aerosol iron: Evidence from the Sargasso Sea

PN Sedwick, ER Sholkovitz… - Geochemistry …, 2007 - Wiley Online Library
We report empirical estimates of the fractional solubility of aerosol iron over the Sargasso
Sea during periods characterized by high concentrations of Saharan dust (summer 2003) …

The distribution and stabilisation of dissolved Fe in deep-sea hydrothermal plumes

SA Bennett, EP Achterberg, DP Connelly… - Earth and Planetary …, 2008 - Elsevier
We have conducted a study of hydrothermal plumes overlying the Mid-Atlantic Ridge near 5°
S to investigate whether there is a significant export flux of dissolved Fe from hydrothermal …

Distal transport of dissolved hydrothermal iron in the deep South Pacific Ocean

JN Fitzsimmons, EA Boyle… - Proceedings of the …, 2014 - National Acad Sciences
Until recently, hydrothermal vents were not considered to be an important source to the
marine dissolved Fe (dFe) inventory because hydrothermal Fe was believed to precipitate …

Submarine groundwater discharge: a large, previously unrecognized source of dissolved iron to the South Atlantic Ocean

HL Windom, WS Moore, LFH Niencheski, RA Jahnke - Marine Chemistry, 2006 - Elsevier
This paper reports the initial results of a study of groundwater and coastal waters of southern
Brazil adjacent to a 240 km barrier spit separating the Patos Lagoon, the largest coastal …