Kristin Boye

Resilience of Amino Acid-Mineral Assemblages

Lead Institution

Hebrew University of Jerusalem

Principal Investigator

Maya Engel

Project type

Exploratory Research

The persistence of organic matter (OM)-mineral assemblages in soils relies on their ability to resist chemical change. Association of OM and/or Si within mineral assemblages serves a dual purpose – 1…

Impact of natural organic matter on U speciation and mobility in groundwater

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

John Bargar

Project type

Exploratory Research

Uranium (U) contamination of aquifers is a persistent problem at DOE legacy ore processing sites and, contrary to initial predictions, many plumes are not attenuating with natural groundwater…

Biogeochemical controls exerted by organic-rich sediments on carbon cycling and uranium mobility

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

John Bargar

Project type

Large-Scale EMSL Research

Floodplains are hydrologically and biogeochemically dynamic environments that store extensive quantities of carbon, host diverse ecosystems, and serve as interfaces for nutrient and contaminant…

Influence of rhizosphere processes on biogeochemical cycles governing metal contaminant mobility in floodplains

Lead Institution

Stanford Linear Accelerator Center

Principal Investigator

Kristin Boye

Project type

Large-Scale EMSL Research

Floodplains are important repositories for metals, regulating their transport to surface and groundwater. The heterogeneous lithology and seasonal wet-dry cycling associated with alluvial deposits,…

Microbial metabolic activity and biogeochemical reaction networks in redox cycled alluvial systems

Lead Institution

Stanford Linear Accelerator Center

Principal Investigator

Kristin Boye

Project type

FICUS Research

Redox conditions and related switches in microbial metabolic activities exert primary control over the stability of carbon, nutrient, and contaminant stocks in alluvial systems, such as floodplains…

A Colloid is Born: Understanding iron-rich colloid genesis and transformation for improved watershed biogeochemical models

Lead Institution

Stanford Linear Accelerator Center

Principal Investigator

Kristin Boye

Project type

Large-Scale EMSL Research

Interfaces between subsurface layers of floodplains are ‘hot spots’ for thriving biogeochemical activity and exchange, owing to distinct compositional and permeability/porosity differences between…

Projects

Resilience of Amino Acid-Mineral Assemblages

Impact of natural organic matter on U speciation and mobility in groundwater

Biogeochemical controls exerted by organic-rich sediments on carbon cycling and uranium mobility

Influence of rhizosphere processes on biogeochemical cycles governing metal contaminant mobility in floodplains

Microbial metabolic activity and biogeochemical reaction networks in redox cycled alluvial systems

A Colloid is Born: Understanding iron-rich colloid genesis and transformation for improved watershed biogeochemical models