Allison Myers-Pigg | Environmental Molecular Sciences Laboratory

Impact of Salinity on DOM Release from Soils Following Seawater Inundation

Lead Institution

Argonne National Laboratory

Principal Investigator

Edward O'Loughlin

Project type

Exploratory Research

A recent large-scale field manipulation experiment exposed large coastal forest plots to extreme flooding by estuarine water and fresh water. Elevated dissolved organic carbon (DOC) concentrations…

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…

Coastal Observations, Mechanisms, and Predictions Across Systems and Scales – Field, Measurements and Experiments

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Project type

Contracted Time

The multi-institutional effort, Coastal Observations, Mechanisms, and Predictions Across Systems and Scales – Field, Measurements and Experiments (COMPASS-FME) pilot project, led by Pacific Northwest…

Increased confidence, coverage, and characterization of organic matter through online liquid chromatography hybrid FT-Orbitrap-21T ICR mass spectrometry

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

William Kew

Direct infusion (DI) mass spectrometry analysis of organic matter (OM) is one of EMSL’s primary workflows. It is a powerful and popular means to characterize complex environmental samples. However,…

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…

Coastal Observations, Mechanisms, and Predictions Across Systems and Scales – Field, Measurements and Experiments

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

The multi-institutional effort, Coastal Observations, Mechanisms, and Predictions Across Systems and Scales – Field, Measurements and Experiments (COMPASS-FME) pilot project, led by Pacific Northwest…

Coastal Observations, Mechanisms, and Predictions Across Systems and Scales – Field, Measurements and Experiments

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

The multi-institutional effort, Coastal Observations, Mechanisms, and Predictions Across Systems and Scales – Field, Measurements and Experiments (COMPASS-FME) pilot project, led by Pacific Northwest…

Hydrologic imprinting across terrestrial-aquatic gradients: unraveling the spectrum of ecosystem responses to freshwater limitation and salt exposure

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Nicholas Ward

Project type

Large-Scale EMSL Research

The availability of freshwater exerts a direct influence on the growth and health of plants both in terrestrial and aquatic ecosystems (e.g., wetlands). Upland soils can experience accumulation of…

Identifying dynamic sources and transformations of dissolved organic matter in coastal watersheds exposed to extreme flooding

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Nicholas Ward

Project type

Large-Scale EMSL Research

The primary objective of this proposal is to improve mechanistic understanding of the hydrobiogeochemical processes governing the cycling of organic matter (OM) across the land-to-sea continuum…

Understanding Biases in Natural Organic Matter FTICR Mass Spectrometry to More
Accurately Model Complex Environmental Systems

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Rosalie Chu

Characterization of natural organic matter (NOM) by direct infusion (DI) Fourier transform mass spectrometry (FTMS) yields rich and complex information about environmental systems. However, the…

Wildfire impacts on organic matter bioavailability and river corridor biogeochemistry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Allison Myers-Pigg

Project type

Large-Scale EMSL Research

Disturbances can modify landscape hydrologic flows and alter the quantity and quality of organic matter delivered to rivers, thereby affecting the hydro-biogeochemistry of freshwater terrestrial…

Illuminating soil biogeochemical responses to press and pulse disturbances in a coastal ecosystem

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jianqiu Zheng

Project type

FICUS Research

Coastal ecosystems are undergoing dramatic transitions as sea level rise accelerates and precipitation and storm regimes change. Depending upon the intensity and duration of seawater exposure,…

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…

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