Judson W Harvey (Former Employee)
Science and Products
Filter Total Items: 16
High-flow Experimental Outcomes for Everglades Hydraulics and Aquatic Metabolism High-flow Experimental Outcomes for Everglades Hydraulics and Aquatic Metabolism
Data were collected between 2013 and 2022 in a research area of the Everglades known as the Decompartmentalization Physical Model (DPM), a wetland area in the central Everglades that includes canals and levees bordering Water Conservation Area 3A (WCA-3A) to the northwest and Water Conservation Area 3B (WCA-3B) to the southeast. During the study more than ten major controlled flow...
Biophysical Data for Simulating Overland Flow in the Everglades Biophysical Data for Simulating Overland Flow in the Everglades
A biophysical approach to modeling overland flow in the Everglades can help predict future outcomes for ecological habitat, water storage during droughts, and water conveyance during floods. The data provided include measurements of vegetation stem architecture, microtopography, and landscape pattern metrics. Stem architecture measurements present the opportunity to estimate flow...
Distribution, frequency, and global extent of hypoxia in rivers Distribution, frequency, and global extent of hypoxia in rivers
To assess the distribution, frequency, and global extent of riverine hypoxia, we compiled 118 million paired dissolved oxygen (DO) and water temperature measurements from 125,158 unique locations in rivers in 93 countries and territories across the globe. The dataset also includes site characteristics derived from StreamCat, the National Hydrography and HydroAtlas datasets and proximal...
High-Flow Field Experiments to Inform Everglades Restoration: Experimental Data 2010 to 2018 High-Flow Field Experiments to Inform Everglades Restoration: Experimental Data 2010 to 2018
Data Release from the High-Flow Field Experiments to Inform Everglades Restoration: Experimental Data 2010 to 2018. Data were obtained from field sites located in the Everglades between two canals (L-67A and L-67C) from 2010 to 2018. During this time, five major controlled flow releases occurred by opening the culvert S152 on canal L-67A. Data consist of water velocity (continuous and...
QUASHNET SPAWN HESS CHEMICAL DATA QUASHNET SPAWN HESS CHEMICAL DATA
This data set includes dissolved oxygen (DO) and specific conductivity (SpC) data collected in both the surface water and shallow streambed at the Quashnet River, Mashpee, USA from 2014-16. This data was collected to better understand groundwater discharge to the river and associated brook trout habitat. DO was typically near saturation in surface water and some groundwater, but is...
Mean seasonal SPARROW model inputs and simulated nitrogen and phosphorus loads for the Northeastern United States 2002 base year Mean seasonal SPARROW model inputs and simulated nitrogen and phosphorus loads for the Northeastern United States 2002 base year
This U.S. Geological Survey (USGS) data release includes input and output tabular files associated with mean seasonal 2002 simulations of total nitrogen and total phosphorus loads of the northeastern United States. The mean seasonal (MS) simulations are performed using a dynamic configuration of the USGS's Spatially Referenced Regression On Watershed attributes (dynamicSPARROW-MS) model...
Filter Total Items: 121
Metabolism regimes in regulated rivers of the Illinois River basin, USA Metabolism regimes in regulated rivers of the Illinois River basin, USA
Metabolism estimates organic carbon accumulation by primary productivity and removal by respiration. In rivers it is relevant to assessing trophic status and threats to river health such as hypoxia as well as greenhouse gas fluxes. We estimated metabolism in 17 rivers of the Illinois River basin (IRB) for a total of 15,176 days, or an average of 2.5 years per site. Daily estimates of...
Authors
Judson Harvey, Jay Choi, Katherine Quion
Prioritizing river basins for nutrient studies Prioritizing river basins for nutrient studies
Increases in fluxes of nitrogen (N) and phosphorus (P) in the environment have led to negative impacts affecting drinking water, eutrophication, harmful algal blooms, climate change, and biodiversity loss. Because of the importance, scale, and complexity of these issues, it may be useful to consider methods for prioritizing nutrient research in representative drainage basins within a...
Authors
Anthony J. Tesoriero, Dale M. Robertson, Christopher Green, J.K. Bohlke, Judson Harvey, Sharon L. Qi
Macroscale controls determine the recovery of river ecosystem productivity following flood disturbances Macroscale controls determine the recovery of river ecosystem productivity following flood disturbances
River ecosystems rely on varied flows, including regular floods, to provide food and habitat for aquatic organisms. However, flows of freshwater are becoming increasingly managed for irrigation, industry, and other human activities, and the frequency of floods is changing. Our study used time-series data of photosynthesis from 143 rivers across the United States and developed a modeling...
Authors
Heili Lowman, Robert K. Shriver, Robert O. Hall, Judson Harvey, Philip Savoy, Charles Yackulic, Joanna R. Blaszczak
Predicting daily river chlorophyll concentrations at a continental scale Predicting daily river chlorophyll concentrations at a continental scale
Eutrophication is one of the largest threats to aquatic ecosystems and chlorophyll a measurements are relevant indicators of trophic state and algal abundance. Many studies have modeled chlorophyll a in rivers but model development and testing has largely occurred at individual sites which hampers creating generalized models capable of making broad-scale predictions. To address this gap...
Authors
Philip Savoy, Judson Harvey
Viewing river corridors through the lens of critical zone science Viewing river corridors through the lens of critical zone science
River corridors integrate the active channels, geomorphic floodplain and riparian areas, and hyporheic zone while receiving inputs from the uplands and groundwater and exchanging mass and energy with the atmosphere. Here, we trace the development of the contemporary understanding of river corridors from the perspectives of geomorphology, hydrology, ecology, and biogeochemistry. We then...
Authors
Adam Wymore, Adam Ward, Ellen Wohl, Judson Harvey
Extent, patterns, and drivers of hypoxia in the world's streams and rivers Extent, patterns, and drivers of hypoxia in the world's streams and rivers
Hypoxia in coastal waters and lakes is widely recognized as a detrimental environmental issue, yet we lack a comparable understanding of hypoxia in rivers. We investigated controls on hypoxia using 118 million paired observations of dissolved oxygen (DO) concentration and water temperature in over 125,000 locations in rivers from 93 countries. We found hypoxia (DO
Authors
Joanna R Blaszczak, Lauren E Koenig, Francine H. Mejia, Alice M. Carter, Lluis Gomez-Gener, Christoper L Dutton, Nancy B. Grimm, Judson Harvey, Ashley M. Helton, Matthew J. Cohen
Science and Products
Filter Total Items: 16
High-flow Experimental Outcomes for Everglades Hydraulics and Aquatic Metabolism High-flow Experimental Outcomes for Everglades Hydraulics and Aquatic Metabolism
Data were collected between 2013 and 2022 in a research area of the Everglades known as the Decompartmentalization Physical Model (DPM), a wetland area in the central Everglades that includes canals and levees bordering Water Conservation Area 3A (WCA-3A) to the northwest and Water Conservation Area 3B (WCA-3B) to the southeast. During the study more than ten major controlled flow...
Biophysical Data for Simulating Overland Flow in the Everglades Biophysical Data for Simulating Overland Flow in the Everglades
A biophysical approach to modeling overland flow in the Everglades can help predict future outcomes for ecological habitat, water storage during droughts, and water conveyance during floods. The data provided include measurements of vegetation stem architecture, microtopography, and landscape pattern metrics. Stem architecture measurements present the opportunity to estimate flow...
Distribution, frequency, and global extent of hypoxia in rivers Distribution, frequency, and global extent of hypoxia in rivers
To assess the distribution, frequency, and global extent of riverine hypoxia, we compiled 118 million paired dissolved oxygen (DO) and water temperature measurements from 125,158 unique locations in rivers in 93 countries and territories across the globe. The dataset also includes site characteristics derived from StreamCat, the National Hydrography and HydroAtlas datasets and proximal...
High-Flow Field Experiments to Inform Everglades Restoration: Experimental Data 2010 to 2018 High-Flow Field Experiments to Inform Everglades Restoration: Experimental Data 2010 to 2018
Data Release from the High-Flow Field Experiments to Inform Everglades Restoration: Experimental Data 2010 to 2018. Data were obtained from field sites located in the Everglades between two canals (L-67A and L-67C) from 2010 to 2018. During this time, five major controlled flow releases occurred by opening the culvert S152 on canal L-67A. Data consist of water velocity (continuous and...
QUASHNET SPAWN HESS CHEMICAL DATA QUASHNET SPAWN HESS CHEMICAL DATA
This data set includes dissolved oxygen (DO) and specific conductivity (SpC) data collected in both the surface water and shallow streambed at the Quashnet River, Mashpee, USA from 2014-16. This data was collected to better understand groundwater discharge to the river and associated brook trout habitat. DO was typically near saturation in surface water and some groundwater, but is...
Mean seasonal SPARROW model inputs and simulated nitrogen and phosphorus loads for the Northeastern United States 2002 base year Mean seasonal SPARROW model inputs and simulated nitrogen and phosphorus loads for the Northeastern United States 2002 base year
This U.S. Geological Survey (USGS) data release includes input and output tabular files associated with mean seasonal 2002 simulations of total nitrogen and total phosphorus loads of the northeastern United States. The mean seasonal (MS) simulations are performed using a dynamic configuration of the USGS's Spatially Referenced Regression On Watershed attributes (dynamicSPARROW-MS) model...
Filter Total Items: 121
Metabolism regimes in regulated rivers of the Illinois River basin, USA Metabolism regimes in regulated rivers of the Illinois River basin, USA
Metabolism estimates organic carbon accumulation by primary productivity and removal by respiration. In rivers it is relevant to assessing trophic status and threats to river health such as hypoxia as well as greenhouse gas fluxes. We estimated metabolism in 17 rivers of the Illinois River basin (IRB) for a total of 15,176 days, or an average of 2.5 years per site. Daily estimates of...
Authors
Judson Harvey, Jay Choi, Katherine Quion
Prioritizing river basins for nutrient studies Prioritizing river basins for nutrient studies
Increases in fluxes of nitrogen (N) and phosphorus (P) in the environment have led to negative impacts affecting drinking water, eutrophication, harmful algal blooms, climate change, and biodiversity loss. Because of the importance, scale, and complexity of these issues, it may be useful to consider methods for prioritizing nutrient research in representative drainage basins within a...
Authors
Anthony J. Tesoriero, Dale M. Robertson, Christopher Green, J.K. Bohlke, Judson Harvey, Sharon L. Qi
Macroscale controls determine the recovery of river ecosystem productivity following flood disturbances Macroscale controls determine the recovery of river ecosystem productivity following flood disturbances
River ecosystems rely on varied flows, including regular floods, to provide food and habitat for aquatic organisms. However, flows of freshwater are becoming increasingly managed for irrigation, industry, and other human activities, and the frequency of floods is changing. Our study used time-series data of photosynthesis from 143 rivers across the United States and developed a modeling...
Authors
Heili Lowman, Robert K. Shriver, Robert O. Hall, Judson Harvey, Philip Savoy, Charles Yackulic, Joanna R. Blaszczak
Predicting daily river chlorophyll concentrations at a continental scale Predicting daily river chlorophyll concentrations at a continental scale
Eutrophication is one of the largest threats to aquatic ecosystems and chlorophyll a measurements are relevant indicators of trophic state and algal abundance. Many studies have modeled chlorophyll a in rivers but model development and testing has largely occurred at individual sites which hampers creating generalized models capable of making broad-scale predictions. To address this gap...
Authors
Philip Savoy, Judson Harvey
Viewing river corridors through the lens of critical zone science Viewing river corridors through the lens of critical zone science
River corridors integrate the active channels, geomorphic floodplain and riparian areas, and hyporheic zone while receiving inputs from the uplands and groundwater and exchanging mass and energy with the atmosphere. Here, we trace the development of the contemporary understanding of river corridors from the perspectives of geomorphology, hydrology, ecology, and biogeochemistry. We then...
Authors
Adam Wymore, Adam Ward, Ellen Wohl, Judson Harvey
Extent, patterns, and drivers of hypoxia in the world's streams and rivers Extent, patterns, and drivers of hypoxia in the world's streams and rivers
Hypoxia in coastal waters and lakes is widely recognized as a detrimental environmental issue, yet we lack a comparable understanding of hypoxia in rivers. We investigated controls on hypoxia using 118 million paired observations of dissolved oxygen (DO) concentration and water temperature in over 125,000 locations in rivers from 93 countries. We found hypoxia (DO
Authors
Joanna R Blaszczak, Lauren E Koenig, Francine H. Mejia, Alice M. Carter, Lluis Gomez-Gener, Christoper L Dutton, Nancy B. Grimm, Judson Harvey, Ashley M. Helton, Matthew J. Cohen