A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts
M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …
[HTML][HTML] Diatom silicon isotope ratios in Quaternary research: Where do we stand?
Silicon stable isotope ratios (expressed as δ 30 Si) in biogenic silica have been widely used
as a proxy for past and present biogeochemical cycling in both marine and lacustrine …
as a proxy for past and present biogeochemical cycling in both marine and lacustrine …
Rock weathering and nutrient cycling along an erodosequence
F von Blanckenburg, J Schuessler… - … Journal of Science, 2021 - gfzpublic.gfz-potsdam.de
How flowing water and organisms can shape Earth's surface, the Critical Zone, depends on
how fast this layer is turned over by erosion. To quantify the dependence of rock weathering …
how fast this layer is turned over by erosion. To quantify the dependence of rock weathering …
Subsurface weathering signatures in stream chemistry during an intense storm
Long-term relationships between stream chemistry and discharge are regulated by
watershed subsurface structure and biogeochemical functioning. The extent to which these …
watershed subsurface structure and biogeochemical functioning. The extent to which these …
[PDF][PDF] The role of vegetation in setting strontium stable isotope ratios in the Critical Zone
J Bouchez, F von Blanckenburg - American Journal of Science, 2021 - hal.science
At Earth's surface the stable isotope ratio of strontium (88Sr/86Sr) is predominantly set by
biological uptake of Sr and its storage in plant litter. This conclusion was reached from a …
biological uptake of Sr and its storage in plant litter. This conclusion was reached from a …
Weathering incongruence in mountainous Mediterranean climates recorded by stream lithium isotope ratios
Lithium isotope ratios (δ7Li) of rivers are increasingly serving as a diagnostic of the balance
between chemical and physical weathering contributions to overall landscape denudation …
between chemical and physical weathering contributions to overall landscape denudation …
Resiliency of silica export signatures when low order streams are subject to storm events
Silicon stable isotope ratios (30Si) of over 150 stream water samples were measured during
seven storm events in six small critical zone observatory (CZO) catchments spanning a wide …
seven storm events in six small critical zone observatory (CZO) catchments spanning a wide …
Revisiting the biogenic silica burial flux determinations: A case study for the East China seas
The Coastal and Continental Margin Zones (CCMZs) contribute to 40% of the total burial flux
of biogenic silica (bSi) of the world ocean. However, the accurate determination of the bSi …
of biogenic silica (bSi) of the world ocean. However, the accurate determination of the bSi …
Benthic dissolved silicon and iron cycling at glaciated Patagonian fjord heads
Glacier meltwater supplies silicon (Si) and iron (Fe) sourced from weathered bedrock to
downstream ecosystems. However, the extent to which these nutrients reach the ocean is …
downstream ecosystems. However, the extent to which these nutrients reach the ocean is …
Quantifying biotic and abiotic Si fluxes in the Critical Zone with Ge/Si ratios along a gradient of erosion rates
Silicon (Si) is an important nutrient for many plant and algae species, and the ultimate
source of Si is silicate mineral weathering reactions. These topics have inspired the …
source of Si is silicate mineral weathering reactions. These topics have inspired the …