Metal stable isotope signatures as tracers in environmental geochemistry

JG Wiederhold - Environmental science & technology, 2015 - ACS Publications
The biogeochemical cycling of metals in natural systems is often accompanied by stable
isotope fractionation which can now be measured due to recent analytical advances. In …

Mercury physicochemical and biogeochemical transformation in the atmosphere and at atmospheric interfaces: a review and future directions

PA Ariya, M Amyot, A Dastoor, D Deeds… - Chemical …, 2015 - ACS Publications
Mercury is a fascinating fluid metal that exists as liquid at 25 C (0 C= 273 K). This silver
colored d-block heavy metal exhibits noble-gas-like characteristics and solidifies at a …

Mercury isotopes in earth and environmental sciences

JD Blum, LS Sherman… - Annual Review of Earth …, 2014 - annualreviews.org
Virtually all biotic, dark abiotic, and photochemical transformations of mercury (Hg) produce
Hg isotope fractionation, which can be either mass dependent (MDF) or mass independent …

Mercury isotopes in a forested ecosystem: Implications for air‐surface exchange dynamics and the global mercury cycle

JD Demers, JD Blum, DR Zak - Global Biogeochemical Cycles, 2013 - Wiley Online Library
Forests mediate the biogeochemical cycling of mercury (Hg) between the atmosphere and
terrestrial ecosystems; however, there remain many gaps in our understanding of these …

Mercury stable isotopes for monitoring the effectiveness of the Minamata Convention on Mercury

SY Kwon, JD Blum, R Yin, MTK Tsui, YH Yang… - Earth-Science …, 2020 - Elsevier
Abstract The Minamata Convention on Mercury (MC) includes provisions for a global
monitoring program (GMP) and effectiveness evaluation (EE) to provide information on …

Mercury deposition and re-emission pathways in boreal forest soils investigated with Hg isotope signatures

M Jiskra, JG Wiederhold, U Skyllberg… - Environmental …, 2015 - ACS Publications
Soils comprise the largest terrestrial mercury (Hg) pool in exchange with the atmosphere. To
predict how anthropogenic emissions affect global Hg cycling and eventually human Hg …

Recurrent photic zone euxinia limited ocean oxygenation and animal evolution during the Ediacaran

W Zheng, A Zhou, SK Sahoo, MR Nolan… - Nature …, 2023 - nature.com
Abstract The Ediacaran Period (~ 635–539 Ma) is marked by the emergence and
diversification of complex metazoans linked to ocean redox changes, but the processes and …

Methylmercury production below the mixed layer in the North Pacific Ocean

JD Blum, BN Popp, JC Drazen, C Anela Choy… - Nature …, 2013 - nature.com
Mercury enters marine food webs in the form of microbially generated monomethylmercury.
Microbial methylation of inorganic mercury, generating monomethylmercury, is widespread …

Mercury isotope fractionation during dark abiotic reduction of Hg (II) by dissolved, surface-bound, and structural Fe (II)

L Schwab, N Gallati, SM Reiter, RL Kimber… - Environmental …, 2023 - ACS Publications
Stable mercury (Hg) isotope ratios are an emerging tracer for biogeochemical
transformations in environmental systems, but their application requires knowledge of …

Mercury deposition and redox transformation processes in peatland constrained by mercury stable isotopes

C Li, M Jiskra, MB Nilsson, S Osterwalder… - Nature …, 2023 - nature.com
Peatland vegetation takes up mercury (Hg) from the atmosphere, typically contributing to net
production and export of neurotoxic methyl-Hg to downstream ecosystems. Chemical …