Xingyuan Chen

River Corridor Hydrobiogeochemistry from Reaction to Basin Scale

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Garayburu-Caruso

Project type

Contracted Time

The Pacific Northwest National Laboratory (PNNL) Environmental System Science River Corridor Scientific Focus Area (RCSFA) (https://sbrsfa.pnnl.gov/) will transform understanding of spatial and…

Improve predictive understanding of soil carbon cycling by characterizing composition, distribution, and persistence of soil organic matter using 3-D nanoscale mass spectrometric imaging and machine learning

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Zihua Zhu

Machine learning (ML) methods will be used to quantitatively determine relationships between soil organic matter (SOM) composition, mass fraction and reactivity and SOM-mineral interactions…

River Corridor Hydrobiogeochemistry from Reaction to Basin Scale

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Stegen

The Pacific Northwest National Laboratory (PNNL) Environmental System Science River Corridor Scientific Focus Area (RCSFA) (https://sbrsfa.pnnl.gov/) will transform understanding of spatial and…

Numerical Modeling of Hydrologic Exchange and Biogeochemistry in Dynamic Rivers

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Timothy Scheibe

Project type

Large-Scale EMSL Research

The River Corridor SFA project (https://www.pnnl.gov/projects/river-corridor) uses a ModEx (integrated models and experiments) approach to study hydrologic exchange fluxes (HEFs) between river…

Role of Microenvironments and Transition Zones in Field scale microbial ecology and biogeochemistry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

Project type

Exploratory Research

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

The Role of Microenvironments and Physicochemical Subsurface Components on Field Scale Biogeochemistry and Contaminant Mobility

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

Project type

Exploratory Research

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Coupled Hydro-Geophysical Inversion of River Water Intrusion and Biogeochemical Transport Modeling at the Hanford 300 Area

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Xingyuan Chen

Project type

Large-Scale EMSL Research

As part of the 2013 research portfolio within the Climate and Environmental Sciences Division of the Office of Biological and Environmental Research (BER) at the Department of Energy Office of…

Role of Microenvironments and Transition Zones in Subsurface Reactive Contaminant Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James McKinley

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL. The research proposed will resolve critical Hanford and basic subsurface science…

Hydro-Biogeochemical Process Dynamics in the Groundwater-Surface Water Interaction Zone

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL.PNNL Scientific Focus Area. The PNNL SFA will develop a predictive understanding…

Hydro-Biogeochemical Process Dynamics in the Groundwater-Surface Water Interaction Zone

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

This is a renewal proposal for a previous collaborative effort between the PNNL Scientific Focus Area (SFA) and EMSL.PNNL Scientific Focus Area. The PNNL SFA will develop a predictive understanding…

Research Innovation through Next-Generation Supercomputing (RINGS)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Timothy Scheibe

The subsurface environment is highly heterogeneous and structured across a wide range of physical scales. Microorganisms sense and respond to environmental conditions within a very small spatial…

Research Innovation through Next-Generation Supercomputing (RINGS)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Timothy Scheibe

The subsurface environment is highly heterogeneous and structured across a wide range of physical scales. Microorganisms sense and respond to environmental conditions within a very small spatial…

Influences of Hydrologic Exchange Flows on River Corridor and Watershed Biogeochemical Function

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Stegen

We are developing predictive understanding of the processes that govern influences of hydrologic exchange flows on water quality, nutrient dynamics, and ecosystem health in dynamic river corridor…

Influences of Hydrologic Exchange Flows on River Corridor and Watershed Biogeochemical Function

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Stegen

We are developing predictive understanding of the processes that govern influences of hydrologic exchange flows on water quality, nutrient dynamics, and ecosystem health in dynamic river corridor…

Influences of Hydrologic Exchange Flows on River Corridor and Watershed Biogeochemical Function

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Stegen

We are developing predictive understanding of the processes that govern influences of hydrologic exchange flows on water quality, nutrient dynamics, and ecosystem health in dynamic river corridor…

River Corridor Hydrobiogeochemistry from Reaction to Basin Scale

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Stegen

The PNNL SBR SFA will transform understanding of spatial and temporal dynamics in river corridor hydrobiogeochemistry from reaction to watershed and basin scales, enabling mechanistic representation…

Integrating mineral-associated organic matter (MAOM) colloid characteristics into dissolved organic matter (DOM) representation in Earth system models

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ravi Kukkadapu

We propose developing a workflow to generate colloids from operationally defined DOM solutions using aerosol-based techniques, then develop a spectroscopic/microscopic capability pipeline to…

River Corridor Hydrobiogeochemistry from Reaction to Basin Scale

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Stegen

The PNNL River Corridor SFA will transform understanding of spatial and temporal dynamics in river corridor hydrobiogeochemistry from reaction to watershed and basin scales, enabling mechanistic…

Projects