Paul C. Stoy
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View article: Symbolic regression for discovering vegetation indices: a case study using alfalfa biomass estimation
Symbolic regression for discovering vegetation indices: a case study using alfalfa biomass estimation Open
View article: Ozone dry deposition through plant stomata: multi-model comparison with flux observations and the role of water stress as part of AQMEII4 Activity 2
Ozone dry deposition through plant stomata: multi-model comparison with flux observations and the role of water stress as part of AQMEII4 Activity 2 Open
A substantial portion of tropospheric O3 dry deposition occurs after diffusion of O3 through plant stomata. Simulating stomatal uptake of O3 in 3D atmospheric chemistry models is important in the face of increasing drought-induced declines…
View article: Partitioning Ecosystem Water Fluxes into Transpiration, Surface Evaporation, and Canopy-Intercepted Evaporation Using Knowledge-Guided Machine Learning at NEON Sites
Partitioning Ecosystem Water Fluxes into Transpiration, Surface Evaporation, and Canopy-Intercepted Evaporation Using Knowledge-Guided Machine Learning at NEON Sites Open
View article: Near Real-Time Estimation of Daytime and Nighttime Evapotranspiration Using GOES-R Observations and Machine Learning Models
Near Real-Time Estimation of Daytime and Nighttime Evapotranspiration Using GOES-R Observations and Machine Learning Models Open
View article: Actual crop coefficients for cereal crops in Montana USA from eddy covariance observations
Actual crop coefficients for cereal crops in Montana USA from eddy covariance observations Open
Accurate quantification and derivation of crop coefficients (Kc) are essential for sustainable water management, especially in semi-arid agroecosystems facing water scarcity exacerbated by climate change. With the goal of creating a founda…
View article: Near Real‐Time Mapping of All‐Sky Land Surface Temperature From GOES‐R Using Machine Learning
Near Real‐Time Mapping of All‐Sky Land Surface Temperature From GOES‐R Using Machine Learning Open
Land surface temperature (LST) is crucial for understanding earth system processes. We expanded the Advanced Baseline Imager Live Imaging of Vegetated Ecosystems (ALIVE) framework to estimate LST in near‐real‐time for both cloudy and clear…
View article: Rapid changes in terrestrial carbon dioxide uptake captured in near-real time from a geostationary satellite: The ALIVE framework
Rapid changes in terrestrial carbon dioxide uptake captured in near-real time from a geostationary satellite: The ALIVE framework Open
View article: Coupling Remote Sensing With a Process Model for the Simulation of Rangeland Carbon Dynamics
Coupling Remote Sensing With a Process Model for the Simulation of Rangeland Carbon Dynamics Open
Rangelands provide significant environmental benefits through many ecosystem services, which may include soil organic carbon (SOC) sequestration. However, quantifying SOC stocks and monitoring carbon (C) fluxes in rangelands are challengin…
View article: Workshop Report: Remote Sensing and Fluxes Upscaling for Real-world Impact
Workshop Report: Remote Sensing and Fluxes Upscaling for Real-world Impact Open
View article: Actual Crop Coefficients for Cereal Crops in Montana USA from Eddy Covariance Observations
Actual Crop Coefficients for Cereal Crops in Montana USA from Eddy Covariance Observations Open
View article: The global carbon balance of forests based on flux towers and forest age data
The global carbon balance of forests based on flux towers and forest age data Open
Flux towers worldwide record significant carbon sinks in forests. Still, most sites are situated over young or middle-aged stands at, or close to, the peak of carbon uptake along their successional cycle. As a result, upscaling forest Net …
View article: Combined Drought Index Using High-Resolution Hydrological Models and Explainable Artificial Intelligence Techniques in Türkiye
Combined Drought Index Using High-Resolution Hydrological Models and Explainable Artificial Intelligence Techniques in Türkiye Open
We developed a combined drought index to better monitor agricultural drought events. To develop the index, different combinations of the temperature condition index, precipitation condition index, vegetation condition index, soil moisture …
View article: Ozone dry deposition through plant stomata: Multi-model comparison with flux observations and the role of water stress as part of AQMEII4 Activity 2
Ozone dry deposition through plant stomata: Multi-model comparison with flux observations and the role of water stress as part of AQMEII4 Activity 2 Open
A substantial portion of tropospheric O3 dry deposition occurs after diffusion of O3 through plant stomata. Simulating stomatal uptake of O3 in 3D atmospheric chemistry models is important in the face of increasing drought induced declines…
View article: Near Real-time Mapping of All-Sky Land Surface Temperature from GOES-R using Machine Learning
Near Real-time Mapping of All-Sky Land Surface Temperature from GOES-R using Machine Learning Open
View article: Using Geostationary Satellite Observations and Machine Learning Models to Estimate Ecosystem Carbon Uptake and Respiration at Half Hourly Time Steps at Eddy Covariance Sites
Using Geostationary Satellite Observations and Machine Learning Models to Estimate Ecosystem Carbon Uptake and Respiration at Half Hourly Time Steps at Eddy Covariance Sites Open
Polar‐orbiting satellites have significantly improved our understanding of the terrestrial carbon cycle, yet they are not designed to observe sub‐daily dynamics that can provide unique insight into carbon cycle processes. Geostationary sat…
View article: Energy balance closure at FLUXNET sites revisited
Energy balance closure at FLUXNET sites revisited Open
View article: Maize crops face high stomatal uptake during peak exposure to ozone in an agroecosystem in the United States Corn Belt
Maize crops face high stomatal uptake during peak exposure to ozone in an agroecosystem in the United States Corn Belt Open
View article: The Decline in Summer Fallow in the Northern Great Plains Cooled Near‐Surface Climate but had Minimal Impacts on Precipitation
The Decline in Summer Fallow in the Northern Great Plains Cooled Near‐Surface Climate but had Minimal Impacts on Precipitation Open
Land management can moderate or intensify the impacts of a warming atmosphere. Since the early 1980s, nearly 116,000 km 2 of cropland that was once held in fallow during the summer is now planted in the northern North American Great Plains…
View article: Global critical soil moisture thresholds of plant water stress
Global critical soil moisture thresholds of plant water stress Open
View article: Spatiotemporal Variability of Gross Primary Productivity in Türkiye: A Multi-Source and Multi-Method Assessment
Spatiotemporal Variability of Gross Primary Productivity in Türkiye: A Multi-Source and Multi-Method Assessment Open
We investigated the spatiotemporal variability of remotely sensed gross primary productivity (GPP) over Türkiye based on MODIS, TL-LUE, GOSIF, MuSyQ, and PMLV2 GPP products. The differences in various GPP products were assessed using Krusk…
View article: High-Frequency Mapping of Downward Shortwave Radiation from GOES-R Using Gradient Boosting
High-Frequency Mapping of Downward Shortwave Radiation from GOES-R Using Gradient Boosting Open
View article: Harnessing Information from Shortwave Infrared Reflectance Bands to Enhance Satellite-Based Estimates of Gross Primary Productivity
Harnessing Information from Shortwave Infrared Reflectance Bands to Enhance Satellite-Based Estimates of Gross Primary Productivity Open
Monitoring Gross Primary Productivity (GPP), the rate at which ecosystems fix atmospheric carbon dioxide, is crucial for understanding global carbon cycling. Remote sensing offers a powerful tool for monitoring GPP using vegetation indices…
View article: Coupling Remote Sensing with a Process Model for the Simulation of Rangeland Carbon Dynamics
Coupling Remote Sensing with a Process Model for the Simulation of Rangeland Carbon Dynamics Open
Rangelands provide significant environmental benefits through many ecosystem services, which may include soil organic carbon (SOC) sequestration. However, quantifying SOC stocks and monitoring carbon (C) fluxes in rangelands are challengin…
View article: Improving parameterization of an evapotranspiration estimation model with eddy covariance measurements for a regional irrigation scheduling program
Improving parameterization of an evapotranspiration estimation model with eddy covariance measurements for a regional irrigation scheduling program Open
Actual evapotranspiration (ETa) is an essential variable in linking energy cycles, carbon, and water, yet challenging to measure. Inputs uncertainty and deficiencies in the key elements of hydrologic models are fundamental challenges for o…
View article: Plant physiological control of tropospheric ozone dry deposition over a maize agricultural field
Plant physiological control of tropospheric ozone dry deposition over a maize agricultural field Open
Tropospheric ozone is a phytotoxic air pollutant that reduces photosynthesis and vegetation biomass of major tree species and agricultural crops. Ozone induced damages can result in cascading impacts on the global carbon and water cycle. T…
View article: Estimating terrestrial carbon dioxide and water vapor fluxes from geostationary satellites in near-real time: the ALIVE framework
Estimating terrestrial carbon dioxide and water vapor fluxes from geostationary satellites in near-real time: the ALIVE framework Open
The terrestrial carbon and water cycles can change rapidly in response to extreme events, human management, meteorological drivers, and more. Many established remote sensing-based estimates of terrestrial ecosystem function are not designe…
View article: Understanding soil health across greenhouse gas emissions and soil characteristics
Understanding soil health across greenhouse gas emissions and soil characteristics Open
Decades of intensive agricultural production, consisting of monoculture crops like corn (Zea mays), has led to a drastic decline in soil health, indicated by a reduction in soil carbon, nutrient holding and water holding capacity. Shifting…
View article: GOES-R land surface products at Western Hemisphere eddy covariance tower locations
GOES-R land surface products at Western Hemisphere eddy covariance tower locations Open
View article: A Century of Reforestation Reduced Anthropogenic Warming in the Eastern United States
A Century of Reforestation Reduced Anthropogenic Warming in the Eastern United States Open
Restoring and preserving the world's forests are promising natural pathways to mitigate some aspects of climate change. In addition to regulating atmospheric carbon dioxide concentrations, forests modify surface and near‐surface air temper…
View article: Crop Coefficients for Cereal Crops in Montana USA from Eddy Covariance Observations
Crop Coefficients for Cereal Crops in Montana USA from Eddy Covariance Observations Open