The world ocean silica cycle

PJ Tréguer, CL De La Rocha - Annual review of marine science, 2013 - annualreviews.org
Over the past few decades, we have realized that the silica cycle is strongly intertwined with
other major biogeochemical cycles, like those of carbon and nitrogen, and as such is …

A review of the stable isotope bio-geochemistry of the global silicon cycle and its associated trace elements

JN Sutton, L André, D Cardinal, DJ Conley… - Frontiers in Earth …, 2018 - frontiersin.org
Silicon (Si) is the second most abundant element in the Earth's crust and is an important
nutrient in the ocean. The global Si cycle plays a critical role in regulating primary …

Biogeochemical cycling of cadmium isotopes in the Southern Ocean along the Zero Meridian

W Abouchami, SJG Galer, HJW De Baar… - … et Cosmochimica Acta, 2014 - Elsevier
We present depth profiles of Cd isotopes and concentrations from the Southern Ocean at
four stations in the Atlantic sector along the Greenwich Meridian (47° S to 68° S) located …

Probing surface Earth reactive silica cycling using stable Si isotopes: Mass balance, fluxes, and deep time implications

S Rahman, EJ Trower - Science Advances, 2023 - science.org
Geological reservoir δ30Si values have increasingly been applied as paleoclimate and
paleoproductivity proxies. Many of these applications rely on the assumption that the surface …

Isotopic fingerprinting of biogeochemical processes and iron sources in the iron-limited surface Southern Ocean

M Sieber, TM Conway, GF de Souza… - Earth and Planetary …, 2021 - Elsevier
Iron (Fe) is an essential micronutrient that limits primary productivity throughout the surface
of the Southern Ocean. Here, we present the first high-resolution depth profiles for dissolved …

The stable isotope composition of organic and inorganic fossils in lake sediment records: Current understanding, challenges, and future directions

M Van Hardenbroek, A Chakraborty, KL Davies… - Quaternary Science …, 2018 - Elsevier
This paper provides an overview of stable isotope analysis (H, C, N, O, Si) of the macro-and
microscopic remains from aquatic organisms found in lake sediment records and their …

Cycling of zinc and its isotopes across multiple zones of the Southern Ocean: Insights from the Antarctic Circumnavigation Expedition

M Sieber, TM Conway, GF de Souza… - … et Cosmochimica Acta, 2020 - Elsevier
Zinc (Zn) is an essential micronutrient, playing an important role in several key processes in
marine phytoplankton. Here, we present the first high-resolution depth profiles for dissolved …

[PDF][PDF] 8.18–The biological Pump in the Past

MP Hain, DM Sigman, GH Haug - Reference Module in Earth Systems and …, 2014 - Citeseer
Almost all organisms on Earth either harvest energy and produce organic matter through
photosynthesis, or feed on organic matter that was ultimately produced by these …

Southern Ocean control of silicon stable isotope distribution in the deep Atlantic Ocean

GF de Souza, BC Reynolds, J Rickli… - Global …, 2012 - Wiley Online Library
The fractionation of silicon (Si) stable isotopes by biological activity in the surface ocean
makes the stable isotope composition of silicon (δ30Si) dissolved in seawater a sensitive …

An experimental study of the interaction of basaltic riverine particulate material and seawater

MT Jones, CR Pearce, EH Oelkers - Geochimica et Cosmochimica Acta, 2012 - Elsevier
The riverine transport of elements from land to ocean is an integral flux for many element
cycles and an important climate regulating process over geological timescales. This flux …