Vanessa Bailey

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…

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…

Microbial CH4 and CO2 Fluxes and C Stabilization Mechanisms in Soils

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Project type

Large-Scale EMSL Research

Current versions of the Community Land Model (CLM) do not represent the soil biogeochemical mechanisms controlling the fluxes of CO2 and CH4, two known greenhouse gases (GHG).. This failure is…

Pore to core: Changes in osmotic conditions due to varying antecedent soil moisture conditions drive microbial community composition

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Recent research has shown that bacterial invasion by phage, detected via CRISPR inserts, increases with increasing osmotic stress. We seek access to EMSL computing resources to explore existing…

Signatures of Environmental Perturbation - Microbial Community and Organic Matter Resilience

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

The goal of this project is to use advanced statistical tools developed by PNNL Signature Discovery Initiative to discover one or more signatures that indicate impaired resilience of the soil carbon…

Characterization of simplified soil communities with high and low carbon use efficiency across differing moisture treatments

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Project type

FICUS Research

This project is directed under the "Terrestrial Microbial Carbon Cycling" SFA project awarded to Los Alamos National Laboratory. The goal of the SFA is to interrogate how soil microbial…

Signatures of Environmental Perturbation - Microbial Community and Organic Matter Resilience - Computing Adendum

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

The goal of this project is to use advanced statistical tools developed by PNNL Signature Discovery Initiative to discover one or more signatures that indicate impaired resilience of the soil carbon …

Effect of drought duration on C mineralization

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sarah Fansler

Drought and inundation events have been linked to increases in SOM availability and carbon mineralization. The duration of a drought event impacts the ability of the soil microbial community to…

Chemical Characterization and Imaging of Soils Aggregates Using Laser Ablation Aerosol Mass Spectrometry

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Lizabeth Alexander

We will apply and refine the recently demonstrated technical capability of laser ablation (LA) sampling combined with aerosol mass spectrometry (AMS) to specific scientific issues arising from the…

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,…

Signatures of Environmental Perturbation - Microbial Community and Organic Matter Resilience

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

The goal of this project is to use advanced statistical tools developed by PNNL Signature Discovery Initiative to discover one or more signatures that indicate impaired resilience of the soil carbon …

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…

Advancing soil C characterization using HRMS and NMR

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Nancy Hess

Soil organic matter consists of diverse and complex mixture of hundreds to thousands biological and metabolic products that are poorly characterized using current techniques. We seek to develop a…

Control of methane and carbon dioxide emissions by sulfur biogeochemistry in terrestrial ecosystems

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

John Cliff

Project type

Large-Scale EMSL Research

Freshwater wetlands are responsible for 40% of the methane emissions worldwide. Despite very low amounts of ambient sulfate, these ecosystems often support high rates of sulfate reduction, rivaling…

Pore- to Core-Scale Research to Inform Ecosystem-Scale Soil C Biogeochemistry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Project type

Large-Scale EMSL Research

The spatial separation of soil organic carbon (SOC), microbes, and extracellular activity is an important mechanism of SOC protection in soils that exists at the soil pore (micron-mm) scale. The…

Deciphering controls on plant decomposition in Arctic ecosystems: Identifying unknown microbial condensed tannin degradation pathways

Lead Institution

Colorado State University

Principal Investigator

Kelly Wrighton

Project type

FICUS Research

Climate change in the Arctic is progressing rapidly, and much of the focus, thus far, has been on permafrost thaw and the rapid mineralization of soil organic carbon (C) by soil microorganisms…

Metabolic Constraints on Organic Matter Decomposition and Metal Cycling in Sediment Deposits

Lead Institution

Stanford University

Principal Investigator

Scott Fendorf

Project type

FICUS Research

Depositional environments such as floodplains are poorly understood and dynamic components of the global carbon cycle that not are well represented in Earth system models. Further, they have a…

The Schizophyllum commune proteome

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Scott Baker

Project type

Exploratory Research

Background The authors, have in parallel with this proposal, submitted a genome sequencing proposal to the DOE Microbial Genome Program (MGP) for Schizophyllum commune (see attached pdf). This…

Microbial CH4 and CO2 Fluxes and C Stabilization Mechanisms in Soils -- supplement to Proposal 47865

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Current versions of the Community Land Model (CLM) do not represent the soil biogeochemical mechanisms controlling the fluxes of CO2 and CH4, two known greenhouse gases (GHG).. This failure is…

Enhancing C Sequestration in Terrestrial Ecosystems: Linking C and N cycling in soils

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Project type

Exploratory Research

The objective of this research was to determine how N can control the C cycle in soils. We incubated soils from 5 different ecotypes with varying amounts of N and a fixed amount of C. At…

Establishment of a Robust Method for Soil Metabolomics Analysis

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Project type

Limited Scope

The objective of this work is to adapt current evolving protocols for metabolomics analyses to soil samples. As chemical perturbations are primarily detected on a molecular level, the metabolome will…

Enhancing C Sequestration in Terrestrial Ecosystems: Linking C and N cycling in soils (Part of Center for Research on Carbon Sequestration in the Terrestrial...., PNNL SCOPE # 30929).

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Project type

Exploratory Research

The objective of this research was to determine how N can control the C cycle in soils. We incubated soils from 5 different ecotypes with varying amounts of N and a fixed amount of C. At…

Biodiversity and ice-nucleating activity of soil and marine airborne microorganisms and relationship to source material

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Susannah Burrows

Project type

FICUS Research

Understanding the nature, sources, and geographic and seasonal distribution of atmospheric ice nucleating particles (INPs), i.e., particles that promote freezing of cloud droplets, is critical to…

Microscale Spectroscopic Analyses of Cellulose Degradation and
Uptake by a Microbial Community

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Nancy Hess

Project type

Exploratory Research

We seek to describe the acquisition and incorporation of cellulose-derived C into a complex microbial community that was been enriched from soil. In doing so at batch culture scales we will further…

FSFA: MOSAIC—Metabolic and Spatial Interactions in Communities

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Errol Robinson

This EMSL user proposal is to support the MOSAIC DOE BER funded FSFA at PNNL. The primary activities involving EMSL are a set of BSSD demonstration tasks focusing on key science questions and related…

Proposal to Apply Capillary Laser Absorption for Trace Isotopic Measurements and Imaging in Biological Systems as a New EMSL Capability

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Fred Brockman

Project type

Scientific Partner

We propose a multidisciplinary effort between team members of the Microbial Communities Initiative (MCI) and EMSL to apply the state-of-the art results of previous work performed under the MCI to…

FSFA: MOSAIC -- Metabolic and Spatial Interactions in Communities FY18 proposal

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Errol Robinson

This EMSL user proposal is to support the MOSAIC DOE BER funded FSFA at PNNL. The primary activities involving EMSL are a set of BSSD demonstration tasks focusing on key science questions and related…

Pore-scale Carbon Biogeochemical Processes in Soils and Their Impact to Climate Models

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Chongxuan Liu

Project type

Exploratory Research

Carbon (C) flux from terrestrial soils is an important component in Earth System Models (ESMs) to simulate global carbon cycling and its effect on climate changes. One major challenge to reliably…

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…

Projects