Rodrigo Vargas
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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: Fundamentals and environmental applications of bismuth vanadate through photoelectrocatalysis
Fundamentals and environmental applications of bismuth vanadate through photoelectrocatalysis Open
This review outlines the fundamentals of photoelectrocatalysis (PEC) using BiVO4 as a promising photoelectrode for environmental applications. Key PEC factors—light absorption, semiconductor properties, potential, temperature, and pH—are d…
View article: A Use Case Approach to Integrate Ecological Research Networks and Infrastructures to Advance Macrosystem Science
A Use Case Approach to Integrate Ecological Research Networks and Infrastructures to Advance Macrosystem Science Open
We explore how the Global Ecosystem Research Infrastructure (GERI) proposes a pathway for other Networks and Networks-of-Networks (NoNs) can work together and accelerate collaborations and data harmonization to address global environmental…
View article: Ground‐Truth: Can Forest Carbon Protocols Ensure High‐Quality Credits?
Ground‐Truth: Can Forest Carbon Protocols Ensure High‐Quality Credits? Open
Forests have substantial potential to help mitigate climate change. Private finance channeled through carbon credits is one way to fund that mitigation, but market‐based approaches to forest carbon projects have been fraught to date. Publi…
View article: Climate constrains the enhancement of CO<sub>2</sub> fertilization on forest gross primary productivity
Climate constrains the enhancement of CO<sub>2</sub> fertilization on forest gross primary productivity Open
Forest gross primary production (GPP) is influenced by the interplay between climate conditions and atmospheric CO 2 levels, which interact in complex ways, generating both compensating and amplifying effects. In this study, eddy covarianc…
View article: The North American Greenhouse Gas Budget: Emissions, Removals, and Integration for CO<sub>2</sub>, CH<sub>4</sub>, and N<sub>2</sub>O (2010–2019): Results From the Second REgional Carbon Cycle Assessment and Processes Study (RECCAP2)
The North American Greenhouse Gas Budget: Emissions, Removals, and Integration for CO<sub>2</sub>, CH<sub>4</sub>, and N<sub>2</sub>O (2010–2019): Results From the Second REgional Carbon Cycle Assessment and Processes Study (RECCAP2) Open
Accurate accounting of greenhouse‐gas (GHG) emissions and removals is central to tracking progress toward climate mitigation and for monitoring potential climate‐change feedbacks. GHG budgeting and reporting can follow either the Intergove…
View article: Flooding and Water Chemistry Drive Soil Biogeochemistry and GHG fluxes in a Coastal Forest&#160;
Flooding and Water Chemistry Drive Soil Biogeochemistry and GHG fluxes in a Coastal Forest  Open
Coastal ecosystems are highly vulnerable to climate change due to sea level rise, increased storm frequency and intensity, and changes in precipitation patterns. These hydrological disturbances affect soil biogeochemical processes in coast…
View article: Forecasting yield and market classes of Vidalia sweet onions: A UAV-based multispectral and texture data-driven approach
Forecasting yield and market classes of Vidalia sweet onions: A UAV-based multispectral and texture data-driven approach Open
Vidalia sweet onion is a high-value specialty crop in the U.S. Forecasting its yield and market classes allows the stakeholders to make informed decisions about the best time and place to harvest while understanding field spatial variabili…
View article: Soil organic carbon maps and associated uncertainty at 90 m for peninsular Spain
Soil organic carbon maps and associated uncertainty at 90 m for peninsular Spain Open
Human activities have significantly disrupted the global carbon cycle, leading to increased atmospheric CO2 levels and altering ecosystems' carbon absorption capacities, with soils serving as the largest carbon reservoirs in terrestrial ec…
View article: Characterizing and communicating uncertainty: lessons from NASA’s Carbon Monitoring System
Characterizing and communicating uncertainty: lessons from NASA’s Carbon Monitoring System Open
Navigating uncertainty is a critical challenge in all fields of science, especially when translating knowledge into real-world policies or management decisions. However, the wide variance in concepts and definitions of uncertainty across s…
View article: A New Coupled Biogeochemical Modeling Approach Provides Accurate Predictions of Methane and Carbon Dioxide Fluxes Across Diverse Tidal Wetlands
A New Coupled Biogeochemical Modeling Approach Provides Accurate Predictions of Methane and Carbon Dioxide Fluxes Across Diverse Tidal Wetlands Open
Tidal wetlands provide valuable ecosystem services, including storing large amounts of carbon. However, the net exchanges of carbon dioxide (CO 2 ) and methane (CH 4 ) in tidal wetlands are highly uncertain. While several biogeochemical mo…
View article: Motion of test particles around an Einstein-dilaton-Gauss-Bonnet black hole in a uniform magnetic field
Motion of test particles around an Einstein-dilaton-Gauss-Bonnet black hole in a uniform magnetic field Open
In this work, we study the motion of a magnetized particle orbiting a static and spherically symmetric black hole immersed in an external asymptotically uniform magnetic field in Einstein-dilaton-Gauss-Bonnet gravity. Similar to the Schwar…
View article: Methane fluxes in tidal marshes of the conterminous United States
Methane fluxes in tidal marshes of the conterminous United States Open
Methane (CH 4 ) is a potent greenhouse gas (GHG) with atmospheric concentrations that have nearly tripled since pre‐industrial times. Wetlands account for a large share of global CH 4 emissions, yet the magnitude and factors controlling CH…
View article: GloSIS: The Global Soil Information System Web Ontology
GloSIS: The Global Soil Information System Web Ontology Open
Established in 2012 by members of the Food and Agriculture Organisation (FAO), the Global Soil Partnership (GSP) is a global network of stakeholders promoting sound land and soil management practices towards a sustainable world food system…
View article: Improving the Latin America and Caribbean Soil Information System (SISLAC) database enhances its usability and scalability
Improving the Latin America and Caribbean Soil Information System (SISLAC) database enhances its usability and scalability Open
Spatial soil databases can help model complex phenomena in which soils are a decisive factor – for example, evaluating agricultural potential or estimating carbon storage capacity. The Latin America and Caribbean Soil Information System, S…
View article: The Deep Soil Ecotron &#8211; A Facility to Explore, Model, and Sense Deep Soil
The Deep Soil Ecotron – A Facility to Explore, Model, and Sense Deep Soil Open
The Deep Soil Ecotron will give researchers the unparalleled ability to investigate and experiment with deep soils while complementing established ecotrons across the globe. This facility, composed of twenty-four, highly instrumented ecoun…
View article: Twenty Years of Progress, Challenges, and Opportunities in Measuring and Understanding Soil Respiration
Twenty Years of Progress, Challenges, and Opportunities in Measuring and Understanding Soil Respiration Open
Soil respiration (Rs), the soil‐to‐atmosphere flux of CO 2 , is a dominant but uncertain part of the carbon cycle, even after decades of study. This review focuses on progress in understanding Rs from laboratory incubations to global estim…
View article: Empirical Dynamic Modeling Reveals Complexity of Methane Fluxes in a Temperate Salt Marsh
Empirical Dynamic Modeling Reveals Complexity of Methane Fluxes in a Temperate Salt Marsh Open
Methane dynamics within salt marshes are complex because vegetation types, temperature, oscillating water levels, and changes in salinity and redox conditions influence CH 4 production, consumption, oxidation, and emissions. These non‐line…
View article: An autocorrelated conditioned Latin hypercube method for temporal or spatial sampling and predictions
An autocorrelated conditioned Latin hypercube method for temporal or spatial sampling and predictions Open
A data-driven method is presented for improving sampling designs from times series (1D approach) or spatial arrays (2D approach) of digital information. We present the autocorrelated conditioned Latin Hypercube Sampling (acLHS). This metho…
View article: Transformer End-to-End Optimization of Compressive LiDARs Using Imaging Spectroscopy Side Information
Transformer End-to-End Optimization of Compressive LiDARs Using Imaging Spectroscopy Side Information Open
Compressive satellite LiDAR (CS-LiDAR) has been recently introduced as a radically different computational sensing and reconstruction approach for LiDAR sensing of Earth. It is based on NASA's adaptive wavelength scanning LiDAR (AWSL) syst…
View article: Greenhouse gas and dissolved oxygen production and consumption rates associated with Regier et al. (2023)
Greenhouse gas and dissolved oxygen production and consumption rates associated with Regier et al. (2023) Open
Tidal inundation along the coastal terrestrial-aquatic interface controls soil and sediment biogeochemistry and gas dynamics. Although a rich literature exist on studies of the influence of tidal waters on the biogeochemistry of coastal ec…
View article: Estimating forest extent across Mexico
Estimating forest extent across Mexico Open
Information on forest extent and tree cover is required to evaluate the status of natural resources, conservation practices, and environmental policies. The challenge is that different forest definitions, remote sensing-based (RSB) product…