Expanding the role of reactive transport models in critical zone processes

L Li, K Maher, A Navarre-Sitchler, J Druhan, C Meile… - Earth-science …, 2017 - Elsevier
Abstract Models test our understanding of processes and can reach beyond the spatial and
temporal scales of measurements. Multi-component Reactive Transport Models (RTMs) …

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 …

pH as a primary control in environmental microbiology: 1. thermodynamic perspective

Q Jin, MF Kirk - Frontiers in Environmental Science, 2018 - frontiersin.org
pH influences the occurrence and distribution of microorganisms. Microbes typically live
over a range of 3–4 pH units and are described as acidophiles, neutrophiles, and …

[图书][B] Geochemical and biogeochemical reaction modeling

CM Bethke - 2022 - books.google.com
An indispensable primer and reference textbook, the third edition of Geochemical and
Biogeochemical Reaction Modeling carries the reader from the field's origins and theoretical …

[PDF][PDF] The thermodynamic ladder in geomicrobiology

CM Bethke, RA Sanford, MF Kirk, Q Jin… - American Journal of …, 2011 - gwb.com
A tenet of geomicrobiology is that anaerobic life in the subsurface arranges itself into zones,
according to a thermodynamic ladder. Iron reducers, given access to ferric minerals, use …

Functional microbial diversity explains groundwater chemistry in a pristine aquifer

TM Flynn, RA Sanford, H Ryu, CM Bethke, AD Levine… - BMC microbiology, 2013 - Springer
Background The diverse microbial populations that inhabit pristine aquifers are known to
catalyze critical in situ biogeochemical reactions, yet little is known about how the structure …

Uranium in groundwater–a synopsis based on a large hydrogeochemical data set

T Riedel, C Kübeck - Water research, 2018 - Elsevier
Most of the knowledge on the occurrence of Uranium (U) in groundwater comes from in-situ
manipulation experiments in the field, computational modelling studies or from laboratory …

Experimental analysis of arsenic precipitation during microbial sulfate and iron reduction in model aquifer sediment reactors

MF Kirk, EE Roden, LJ Crossey, AJ Brealey… - … et Cosmochimica Acta, 2010 - Elsevier
Microbial SO42− reduction limits accumulation of aqueous As in reducing aquifers where
the sulfide that is produced forms minerals that sequester As. We examined the potential for …

Subseafloor life and its biogeochemical impacts

S D'Hondt, R Pockalny, VM Fulfer, AJ Spivack - Nature communications, 2019 - nature.com
Subseafloor microbial activities are central to Earth's biogeochemical cycles. They control
Earth's surface oxidation and major aspects of ocean chemistry. They affect climate on long …

Controls on tungsten concentrations in groundwater flow systems: The role of adsorption, aquifer sediment Fe (III) oxide/oxyhydroxide content, and thiotungstate …

KH Johannesson, HB Dave, TJ Mohajerin, S Datta - Chemical Geology, 2013 - Elsevier
Groundwater samples were collected along flow paths within the Carrizo Sand aquifer
(southeastern Texas) and the Aquia aquifer (coastal Maryland) for analysis of dissolved …