Kevin D. Kroeger
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View article: The δ<sup>13</sup>C Signature of Dissolved Organic and Inorganic Carbon Reveals Complex Carbon Transformations Within a Salt Marsh
The δ<sup>13</sup>C Signature of Dissolved Organic and Inorganic Carbon Reveals Complex Carbon Transformations Within a Salt Marsh Open
Coastal wetlands have high rates of atmospheric CO 2 uptake, which is subsequently respired back to the atmosphere, stored as organic matter within flooded, anoxic soils, or exported to the coastal ocean. Transformation of fixed carbon occ…
View article: Evidence of Mineral Alteration in a Salt Marsh Subterranean Estuary: Implications for Carbon and Trace Element Cycling
Evidence of Mineral Alteration in a Salt Marsh Subterranean Estuary: Implications for Carbon and Trace Element Cycling Open
Subterranean estuaries (STE) in salt marshes are biogeochemically active zones where interactions between terrestrial groundwater and seawater drive complex cycling of carbon and trace elements, influenced by mineral dissolution. These sys…
View article: Author Correction: Carbonate chemistry and carbon sequestration driven by inorganic carbon outwelling from mangroves and saltmarshes
Author Correction: Carbonate chemistry and carbon sequestration driven by inorganic carbon outwelling from mangroves and saltmarshes Open
Correction to: Nature Communicationshttps://doi.org/10.1038/s41467-023-44037-w, published online 11 December 2023 The original version of the Supplementary Information associated with this Article cited Santos et al. (unpublished) for the …
View article: U.S. Geological Survey Research and Assessments Supporting Carbon Dioxide Removal
U.S. Geological Survey Research and Assessments Supporting Carbon Dioxide Removal Open
View article: Accuracy and Precision of Tidal Wetland Soil Carbon Mapping in the Conterminous United States: Public Soil Carbon Data Release
Accuracy and Precision of Tidal Wetland Soil Carbon Mapping in the Conterminous United States: Public Soil Carbon Data Release Open
Tidal wetlands produce long-term soil organic carbon (C) stocks. Thus for carbon accounting purposes, we need accurate and precise information on the magnitude and spatial distribution of those stocks. We assembled and analyzed an unpreced…
View article: U.S. Geological Survey climate science plan—Future research directions
U.S. Geological Survey climate science plan—Future research directions Open
View article: The Coastal Carbon Library and Atlas: Open source soil data and tools supporting blue carbon research and policy
The Coastal Carbon Library and Atlas: Open source soil data and tools supporting blue carbon research and policy Open
Quantifying carbon fluxes into and out of coastal soils is critical to meeting greenhouse gas reduction and coastal resiliency goals. Numerous ‘blue carbon’ studies have generated, or benefitted from, synthetic datasets. However, the commu…
View article: Carbonate chemistry and carbon sequestration driven by inorganic carbon outwelling from mangroves and saltmarshes
Carbonate chemistry and carbon sequestration driven by inorganic carbon outwelling from mangroves and saltmarshes Open
Mangroves and saltmarshes are biogeochemical hotspots storing carbon in sediments and in the ocean following lateral carbon export (outwelling). Coastal seawater pH is modified by both uptake of anthropogenic carbon dioxide and natural bio…
View article: Practical Guide to Measuring Wetland Carbon Pools and Fluxes
Practical Guide to Measuring Wetland Carbon Pools and Fluxes Open
Wetlands cover a small portion of the world, but have disproportionate influence on global carbon (C) sequestration, carbon dioxide and methane emissions, and aquatic C fluxes. However, the underlying biogeochemical processes that affect w…
View article: One Health research at Auburn University
One Health research at Auburn University Open
by pursuing new approaches to the management of pain, treatment of neurogenic hypertension, and understanding the impact of sleep on brain health.
View article: Mapping methane reduction potential of tidal wetland restoration in the United States
Mapping methane reduction potential of tidal wetland restoration in the United States Open
Coastal wetlands can emit excess methane in cases where they are impounded and artificially freshened by structures that impede tidal exchange. We provide a new assessment of coastal methane reduction opportunities for the contiguous Unite…
View article: High‐frequency variability of carbon dioxide fluxes in tidal water over a temperate salt marsh
High‐frequency variability of carbon dioxide fluxes in tidal water over a temperate salt marsh Open
Existing analyses of salt marsh carbon budgets rarely quantify carbon loss as CO 2 through the air–water interface in inundated marshes. This study estimates the variability of partial pressure of CO 2 ( p CO 2 ) and air–water CO 2 fluxes …
View article: Forecasting Sea Level Rise-driven Inundation in Diked and Tidally Restricted Coastal Lowlands
Forecasting Sea Level Rise-driven Inundation in Diked and Tidally Restricted Coastal Lowlands Open
View article: Ready-to-Eat Egg Products Formulated with Nisin and Organic Acids to Control Listeria monocytogenes
Ready-to-Eat Egg Products Formulated with Nisin and Organic Acids to Control Listeria monocytogenes Open
Formulating ready-to-eat (RTE) products with growth inhibitors minimizes the risk of listeriosis. In part I, RTE egg products formulated with 6.25 ppm nisin were evaluated to control Listeria monocytogenes. Individual experimental units we…
View article: Editorial: Neurobiology of sleeping behaviors
Editorial: Neurobiology of sleeping behaviors Open
International audience
View article: Geologic carbon management options for the North Atlantic-Appalachian Region
Geologic carbon management options for the North Atlantic-Appalachian Region Open
First posted November 6, 2023 For additional information, contact: Center Director, Geology, Energy & Minerals Science CenterU.S. Geological Survey12201 Sunrise Valley DriveReston, VA 20192Contact Pubs Warehouse The U.S. Geological Survey …
View article: Soil carbon consequences of historic hydrologic impairment and recent restoration in coastal wetlands
Soil carbon consequences of historic hydrologic impairment and recent restoration in coastal wetlands Open
View article: Impoundment increases methane emissions in <i>Phragmites</i>‐invaded coastal wetlands
Impoundment increases methane emissions in <i>Phragmites</i>‐invaded coastal wetlands Open
Saline tidal wetlands are important sites of carbon sequestration and produce negligible methane (CH 4 ) emissions due to regular inundation with sulfate‐rich seawater. Yet, widespread management of coastal hydrology has restricted tidal e…
View article: Detection and characterization of coastal tidal wetland change in the northeastern US using Landsat time series
Detection and characterization of coastal tidal wetland change in the northeastern US using Landsat time series Open
View article: Coastal tidal wetland change in the northeastern United States
Coastal tidal wetland change in the northeastern United States Open
Coastal tidal wetlands are highly altered ecosystems at substantial risk due to widespread and frequent land-use change, coupled with sea-level rise, leading to disrupted hydrologic and ecologic functions and ultimately, significant reduct…
View article: Oxygen‐controlled recirculating seepage meter reveals extent of nitrogen transformation in discharging coastal groundwater at the aquifer–estuary interface
Oxygen‐controlled recirculating seepage meter reveals extent of nitrogen transformation in discharging coastal groundwater at the aquifer–estuary interface Open
Nutrient loads delivered to estuaries via submarine groundwater discharge (SGD) play an important role in the nitrogen (N) budget and eutrophication status. However, accurate and reliable quantification of the chemical flux across the fina…
View article: Pore water exchange‐driven inorganic carbon export from intertidal salt marshes
Pore water exchange‐driven inorganic carbon export from intertidal salt marshes Open
Respiration in intertidal salt marshes generates dissolved inorganic carbon (DIC) that is exported to the coastal ocean by tidal exchange with the marsh platform. Understanding the link between physical drivers of water exchange and chemic…
View article: Assessment of water quality and discharge in the Herring River, Wellfleet, Massachusetts, November 2015 to September 2017
Assessment of water quality and discharge in the Herring River, Wellfleet, Massachusetts, November 2015 to September 2017 Open
First posted March 24, 2021 For additional information, contact: Director, New England Water Science CenterU.S. Geological Survey10 Bearfoot RoadNorthborough, MA 01532 The U.S. Geological Survey, Cape Cod National Seashore of the National …
View article: Plant biomass and rates of carbon dioxide uptake are enhanced by successful restoration of tidal connectivity in salt marshes
Plant biomass and rates of carbon dioxide uptake are enhanced by successful restoration of tidal connectivity in salt marshes Open
View article: Gross Primary Production Maps of Tidal Wetlands across Conterminous USA, 2000-2019
Gross Primary Production Maps of Tidal Wetlands across Conterminous USA, 2000-2019 Open
This dataset provides mapped tidal wetland gross primary production (GPP) estimates (g C/m2/day) derived from multiple wetland types at 250-m resolution across the conterminous United States at 16-day intervals from March 5, 2000, through …
View article: Discrete bottle sample measurements for carbonate chemistry, organic alkalinity and organic carbon from samples collected in Waquoit Bay and Vineyard Sound, MA in 2016
Discrete bottle sample measurements for carbonate chemistry, organic alkalinity and organic carbon from samples collected in Waquoit Bay and Vineyard Sound, MA in 2016 Open
Discrete bottle sample measurements for carbonate chemistry, organic alkalinity and organic carbon from samples collected in
View article: An important biogeochemical link between organic and inorganic carbon cycling: Effects of organic alkalinity on carbonate chemistry in coastal waters influenced by intertidal salt marshes
An important biogeochemical link between organic and inorganic carbon cycling: Effects of organic alkalinity on carbonate chemistry in coastal waters influenced by intertidal salt marshes Open
View article: Tidal Wetland Gross Primary Production Across the Continental United States, 2000–2019
Tidal Wetland Gross Primary Production Across the Continental United States, 2000–2019 Open
We mapped tidal wetland gross primary production (GPP) with unprecedented detail for multiple wetland types across the continental United States (CONUS) at 16‐day intervals for the years 2000–2019. To accomplish this task, we developed the…
View article: Spatial and Temporal Variability of Inorganic Carbon Export from Intertidal Salt Marshes
Spatial and Temporal Variability of Inorganic Carbon Export from Intertidal Salt Marshes Open
View article: Coastal Wetland Elevation and Carbon Flux Inventory with Uncertainty, USA, 2006-2011
Coastal Wetland Elevation and Carbon Flux Inventory with Uncertainty, USA, 2006-2011 Open
This dataset provides maps of coastal wetland carbon and methane fluxes and coastal wetland surface elevation from 2006 to 2011 at 30 m resolution for coastal wetlands of the conterminous United States. Total coastal wetland carbon flux pe…