Alan Roebuck
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View article: Dissolved organic matter composition differs across water types in Mid-Atlantic and Great Lakes coastal regions
Dissolved organic matter composition differs across water types in Mid-Atlantic and Great Lakes coastal regions Open
Dissolved organic matter (DOM) in coastal surface waters influences local water quality and is an important component of biogeochemical cycling in coastal systems. Many studies have highlighted transformations of DOM along longitudinal riv…
View article: Burn severity and vegetation type control phosphorus concentration, molecular composition, and mobilization
Burn severity and vegetation type control phosphorus concentration, molecular composition, and mobilization Open
Shifting phosphorus (P) dynamics after wildfires can have cascading impacts from terrestrial to aquatic environments. However, it is unclear whether shifts in P composition or P concentration are responsible for changes in P dynamics post-…
View article: Spatial and Temporal Shifts in Dissolved Organic Matter Character Across a Burned Stream Network
Spatial and Temporal Shifts in Dissolved Organic Matter Character Across a Burned Stream Network Open
Increasing wildfire activity can impact the global carbon cycle, aquatic ecosystem health, and drinking water treatment through alterations in aquatic dissolved organic matter (DOM) composition. However, uncertainty remains about the spati…
View article: Burn severity and vegetation type control phosphorus concentration, molecular composition, and mobilization
Burn severity and vegetation type control phosphorus concentration, molecular composition, and mobilization Open
Shifting phosphorus (P) dynamics after wildfires can have cascading impacts from terrestrial to aquatic environments. However, it is unclear if post-fire responses are primarily driven by changes to the molecular composition of the charred…
View article: Hillslope Hydrologic Influences on Soil Dissolved Organic Carbon Fate Informs Climate Impacts on Boreal Forest Mineral Soil Stocks
Hillslope Hydrologic Influences on Soil Dissolved Organic Carbon Fate Informs Climate Impacts on Boreal Forest Mineral Soil Stocks Open
View article: Spatial and temporal shifts in dissolved organic matter composition across a burned stream network
Spatial and temporal shifts in dissolved organic matter composition across a burned stream network Open
View article: Lambda-PFLOTRAN 1.0: a workflow for incorporating organic matter chemistry informed by ultra high resolution mass spectrometry into biogeochemical modeling
Lambda-PFLOTRAN 1.0: a workflow for incorporating organic matter chemistry informed by ultra high resolution mass spectrometry into biogeochemical modeling Open
Organic matter (OM) composition plays a central role in microbial respiration of dissolved organic matter and subsequent biogeochemical reactions. Here, a direct connection of organic matter chemistry and thermodynamics to reactive transpo…
View article: Molecular shifts in dissolved organic matter along a burn severity continuum for common land cover types in the Pacific Northwest, USA
Molecular shifts in dissolved organic matter along a burn severity continuum for common land cover types in the Pacific Northwest, USA Open
View article: Experimental Open Air Burning of Vegetation Enhances Organic Matter Chemical Heterogeneity Compared to Laboratory Burns
Experimental Open Air Burning of Vegetation Enhances Organic Matter Chemical Heterogeneity Compared to Laboratory Burns Open
Wildfires produce solid residuals that have unique chemical and physical properties compared to unburned materials, which influence their cycling and fate in the natural environment. Visual burn severity assessment is used to evaluate post…
View article: Lambda-PFLOTRAN 1.0: Workflow for Incorporating Organic Matter Chemistry Informed by Ultra High Resolution Mass Spectrometry into Biogeochemical Modeling
Lambda-PFLOTRAN 1.0: Workflow for Incorporating Organic Matter Chemistry Informed by Ultra High Resolution Mass Spectrometry into Biogeochemical Modeling Open
Organic matter (OM) composition plays a central role in microbial respiration of dissolved organic matter and subsequent biogeochemical reactions. Here, a direct connection of organic carbon chemistry and thermodynamics to reactive transpo…
View article: Linkages Between Mineral Element Composition of Soils and Sediments With Hyporheic Zone Dissolved Organic Matter Chemistry Across the Contiguous United States
Linkages Between Mineral Element Composition of Soils and Sediments With Hyporheic Zone Dissolved Organic Matter Chemistry Across the Contiguous United States Open
The hyporheic zone is a hotspot for biogeochemical cycling where interactions with mineral metals preserve the release and biodegradation of organic matter (OM). A small fraction of OM can still be exchanged between localized sediments and…
View article: Catchment characteristics modulate the influence of wildfires on nitrate and dissolved organic carbon across space and time: A meta-analysis
Catchment characteristics modulate the influence of wildfires on nitrate and dissolved organic carbon across space and time: A meta-analysis Open
1 INTRODUCTION:Climate change is driving earlier seasonal onset of wildfire, increased fire frequency, and larger fires in many regions globally (Flannigan et al., 2009; Westerling, 2016). Wildfires induce changes in ecohydrological proces…
View article: Modeling microbial functional trait-environment interactions at the continental scale
Modeling microbial functional trait-environment interactions at the continental scale Open
Inferring linkages between microbial metabolism and dissolved organic matter (DOM) across environmental gradients is a promising avenue to improve biogeochemical predictions at large spatial scales. Despite decades of metagenomic studies i…
View article: Investigating the impacts of solid phase extraction on dissolved organic matter optical signatures and the pairing with high‐resolution mass spectrometry data across a freshwater stream network
Investigating the impacts of solid phase extraction on dissolved organic matter optical signatures and the pairing with high‐resolution mass spectrometry data across a freshwater stream network Open
Advancing our understanding of dissolved organic matter (DOM) chemistry in aquatic systems necessitates the integration of data streams from multiple analytical platforms. Some measurements require pretreatment with solid phase extraction …
View article: Manuscript Workflows from and Processed Organic Matter Composition of Experimentally Burned Open Air and Muffle Furnace Vegetation Chars across Differing Burn Severity and Feedstock Types from Pacific Northwest, USA (v3)
Manuscript Workflows from and Processed Organic Matter Composition of Experimentally Burned Open Air and Muffle Furnace Vegetation Chars across Differing Burn Severity and Feedstock Types from Pacific Northwest, USA (v3) Open
This dataset includes processed organic matter chemistry data from an experimental study designed to compare how the chemical composition of organic matter changes across different burn conditions and vegetation materials representative of…
View article: Molecular Shifts in Dissolved Organic Matter Along a Burn Severity Continuum for Common Land Cover Types in the Pacific Northwest, USA
Molecular Shifts in Dissolved Organic Matter Along a Burn Severity Continuum for Common Land Cover Types in the Pacific Northwest, USA Open
View article: Data and scripts associated with: “Burn severity and vegetation type control phosphorus concentration, molecular composition, and mobilization”
Data and scripts associated with: “Burn severity and vegetation type control phosphorus concentration, molecular composition, and mobilization” Open
This data package is associated with the publication “Burn severity and vegetation type control phosphorus concentration, molecular composition, and mobilization” published in European Geophysical Union - Biogeosciences (Barnes et al. 2025…
View article: Data and scripts associated with a manuscript on a meta-analysis synthesizing stream biogeochemical response to wildfires across space and time (v2)
Data and scripts associated with a manuscript on a meta-analysis synthesizing stream biogeochemical response to wildfires across space and time (v2) Open
This data package is associated with the publication “Catchment characteristics modulate the influence of wildfires on nitrate and dissolved organic carbon in lotic systems across space and time: A meta-analysis” submitted to Global Biogeo…
View article: Data and Scripts associated with “Lambda-PFLOTRAN: Workflow for Incorporating Organic Matter Chemistry Informed by Ultra High Resolution Mass Spectrometry into Biogeochemical Modeling.”
Data and Scripts associated with “Lambda-PFLOTRAN: Workflow for Incorporating Organic Matter Chemistry Informed by Ultra High Resolution Mass Spectrometry into Biogeochemical Modeling.” Open
This data package is associated with the publication “Lambda-PFLOTRAN: Workflow for Incorporating Organic Matter Chemistry Informed by Ultra High Resolution Mass Spectrometry into Biogeochemical Modeling” submitted to Geoscientific Model D…
View article: Hillslope Hydrologic Influences on Soil Carbon Content Informs Climate Impacts on Boreal Forest Mineral Soil Stocks
Hillslope Hydrologic Influences on Soil Carbon Content Informs Climate Impacts on Boreal Forest Mineral Soil Stocks Open
View article: Organic Matter Concentration and Composition in November 2021 and April 2022 from 12 Streams Impacted by the 2020 Holiday Farm Fire (v2)
Organic Matter Concentration and Composition in November 2021 and April 2022 from 12 Streams Impacted by the 2020 Holiday Farm Fire (v2) Open
This dataset represents results from a field study aiming to understand storm induced transport of pyrogenic materials to streams impacted by varying degrees of burn severity. Time series samples were collected at 5 sites within the McKenz…
View article: Biogeochemistry of upland to wetland soils, sediments, and surface waters across Mid-Atlantic and Great Lakes coastal interfaces
Biogeochemistry of upland to wetland soils, sediments, and surface waters across Mid-Atlantic and Great Lakes coastal interfaces Open
View article: Hydrobiogeochemical Controls on the Delivery of Dissolved Organic Matter to Boreal Headwater Streams
Hydrobiogeochemical Controls on the Delivery of Dissolved Organic Matter to Boreal Headwater Streams Open
Understanding controls on the delivery of dissolved organic matter (DOM) from terrestrial to aquatic systems is key for constraining carbon balances and fluxes in boreal headwater catchments. The largest export of DOM generally occurs duri…
View article: Linkages between mineral element composition of soils and sediments with hyporheic zone dissolved organic matter chemistry across the contiguous United States
Linkages between mineral element composition of soils and sediments with hyporheic zone dissolved organic matter chemistry across the contiguous United States Open
The hyporheic zone is a hotspot for biogeochemical cycling where interactions with mineral metals preserve the release and biodegradation of organic matter (OM). A small fraction of OM can still be exchanged between localized sediments and…
View article: Riverine organic matter functional diversity increases with catchment size
Riverine organic matter functional diversity increases with catchment size Open
A large amount of dissolved organic matter (DOM) is transported to the ocean from terrestrial inputs each year (~0.95 Pg C per year) and undergoes a series of abiotic and biotic reactions, causing a significant release of CO 2 . Combined, …
View article: Self‐diagnosis of model suitability for continuous measurements of stream‐dissolved organic carbon derived from in situ <scp>UV</scp>–visible spectroscopy
Self‐diagnosis of model suitability for continuous measurements of stream‐dissolved organic carbon derived from in situ <span>UV</span>–visible spectroscopy Open
Application of high‐frequency monitoring of dissolved organic carbon (DOC) is difficult in instances where training datasets are challenging to develop (e.g., remote locations) and the relationship between optical features and DOC concentr…
View article: Hydrobiogeochemical controls on the delivery of dissolved organic matter to boreal headwater streams
Hydrobiogeochemical controls on the delivery of dissolved organic matter to boreal headwater streams Open
Dataset of continuous stream discharge, soil moisture, and hydrographic separation of Upper Horseshoe and Lower Horseshoe stream sites near Pynn's Brook, Newfoundland. Matched to continuous data where available are dissolved organic carbon…
View article: Hydrobiogeochemical controls on the delivery of dissolved organic matter to boreal headwater streams
Hydrobiogeochemical controls on the delivery of dissolved organic matter to boreal headwater streams Open
Dataset of continuous stream discharge, soil moisture, and hydrographic separation of Upper Horseshoe and Lower Horseshoe stream sites near Pynn's Brook, Newfoundland. Matched to continuous data where available are dissolved organic carbon…
View article: Biogeochemistry of soils, sediments, and surface waters across the upland to wetland gradient of coastal interfaces
Biogeochemistry of soils, sediments, and surface waters across the upland to wetland gradient of coastal interfaces Open
Transferable and mechanistic understanding of cross-scale interactions is necessary to predict how coastal systems respond to global change. Cohesive datasets across geographically distributed sites can enable a mechanistic understanding o…
View article: Data for EMSL Project 60221 from August 2023
Data for EMSL Project 60221 from August 2023 Open