Eric D. Swain, Ph.D. (Former Employee)
Science and Products
Filter Total Items: 46
Everglades Depth Estimation Network (EDEN)—A decade of serving hydrologic information to scientists and resource managers
IntroductionThe Everglades Depth Estimation Network (EDEN) provides scientists and resource managers with regional maps of daily water levels and depths in the freshwater part of the Greater Everglades landscape. The EDEN domain includes all or parts of five Water Conservation Areas, Big Cypress National Preserve, Pennsuco Wetlands, and Everglades National Park. Daily water-level maps...
Authors
Eduardo Patino, Paul A. Conrads, Eric D. Swain, James M. Beerens
Projecting impacts of climate change on water availability using artificial neural network techniques
Lago Loíza reservoir in east-central Puerto Rico is one of the primary sources of public water supply for the San Juan metropolitan area. To evaluate and predict the Lago Loíza water budget, an artificial neural network (ANN) technique is trained to predict river inflows. A method is developed to combine ANN-predicted daily flows with ANN-predicted 30-day cumulative flows to improve flow...
Authors
Eric D. Swain, Julieta Gomez-Fragoso, Sigfredo Torres-Gonzalez
Applying downscaled Global Climate Model data to a groundwater model of the Suwannee River Basin, Florida, USA
The application of Global Climate Model (GCM) output to a hydrologic model allows for comparisons between simulated recent and future conditions and provides insight into the dynamics of hydrology as it may be affected by climate change. A previously developed numerical model of the Suwannee River Basin, Florida, USA, was modified and calibrated to represent transient conditions. A...
Authors
Eric D. Swain, J. Wade Davis
Evaluation of habitat suitability index models by global sensitivity and uncertainty analyses: a case study for submerged aquatic vegetation
Habitat suitability index (HSI) models are commonly used to predict habitat quality and species distributions and are used to develop biological surveys, assess reserve and management priorities, and anticipate possible change under different management or climate change scenarios. Important management decisions may be based on model results, often without a clear understanding of the...
Authors
Zuzanna Zajac, Bradley Stith, Andrea C. Bowling, Catherine A. Langtimm, Eric D. Swain
Numerical computation of hurricane effects on historic coastal hydrology in Southern Florida
Introduction Numerical models are critical for assessing the effects of sea level rise (SLR), hurricanes, and storm surge on vegetation change in the Everglades National Park. The model must be capable of representing short-timescale hydrodynamics, salinity transport, and groundwater interaction. However, there is also a strong need to adapt these numerical models to hindcast past...
Authors
Eric D. Swain, M. Dennis Krohn, Catherine A. Langtimm
Utilizing dimensional analysis with observed data to determine the significance of hydrodynamic solutions in coastal hydrology
In this paper, the authors present an analysis of the magnitude of the temporal and spatial acceleration (inertial) terms in the surface-water flow equations and determine the conditions under which these inertial terms have sufficient magnitude to be required in the computations. Data from two South Florida field sites are examined and the relative magnitudes of temporal acceleration...
Authors
Eric D. Swain, Jeremy D. Decker, Joseph D. Hughes
Applying downscaled global climate model data to a hydrodynamic surface-water and groundwater model
Precipitation data from Global Climate Models have been downscaled to smaller regions. Adapting this downscaled precipitation data to a coupled hydrodynamic surface-water/groundwater model of southern Florida allows an examination of future conditions and their effect on groundwater levels, inundation patterns, surface-water stage and flows, and salinity. The downscaled rainfall data...
Authors
Eric D. Swain, Lydia Stefanova, Thomas J. Smith
Evaluating effects of Everglades restoration on American crocodile populations in south Florida using a spatially-explicit, stage-based population model
The distribution and abundance of the American crocodile (Crocodylus acutus) in the Florida Everglades is dependent on the timing, amount, and location of freshwater flow. One of the goals of the Comprehensive Everglades Restoration Plan (CERP) is to restore historic freshwater flows to American crocodile habitat throughout the Everglades. To predict the impacts on the crocodile...
Authors
Timothy W. Green, Daniel H. Slone, Eric D. Swain, Michael S. Cherkiss, Melinda Lohmann, Frank M Mazzotti, Kenneth G. Rice
Internet-based Modeling, Mapping, and Analysis for the Greater Everglades (IMMAGE; Version 1.0): web-based tools to assess the impact of sea level rise in south Florida
South Florida's Greater Everglades area is particularly vulnerable to sea level rise, due to its rich endowment of animal and plant species and its heavily populated urban areas along the coast. Rising sea levels are expected to have substantial impacts on inland flooding, the depth and extent of surge from coastal storms, the degradation of water supplies by saltwater intrusion, and the...
Authors
Paul Hearn, David Strong, Eric D. Swain, Jeremy D. Decker
Assessing factors affecting the thermal properties of a passive thermal refuge using three-dimensional hydrodynamic flow and transport modeling
Everglades restoration activities may cause changes to temperature and salinity stratification at the Port of the Islands (POI) marina, which could affect its suitability as a cold weather refuge for manatees. To better understand how the Picayune Strand Restoration Project (PSRP) may alter this important resource in Collier County in southwestern Florida, the USGS has developed a three...
Authors
Jeremy D. Decker, Eric D. Swain, Bradley Stith, Catherine A. Langtimm
An integrated multi-criteria scenario evaluation web tool for participatory land-use planning in urbanized areas: The Ecosystem Portfolio Model
Land-use land-cover change is one of the most important and direct drivers of changes in ecosystem functions and services. Given the complexity of the decision-making, there is a need for Internet-based decision support systems with scenario evaluation capabilities to help planners, resource managers and communities visualize, compare and consider trade-offs among the many values at...
Authors
Bill Labiosa, William M. Forney, Paul Hearn, Dianna M. Hogan, David Strong, Eric D. Swain, Ann-Margaret Esnard, D. Mitsova-Boneva, Richard Bernknopf, Leonard G. Pearlstine, Hugh Gladwin
Stochastic analyses to identify wellfield withdrawal effects on surface-water and groundwater in Miami-Dade County, Florida
Several stochastic analyses were conducted in Miami-Dade County, Florida, to evaluate the effects of wellfield withdrawal on aquifer water levels, canal stage, and canal flow. Multiyear data for withdrawals at four water-supply wellfields, water levels at the S-121 canal control structure and groundwater head at a nearby monitoring well were used to determine the interrelation between...
Authors
Eric D. Swain
Science and Products
Filter Total Items: 46
Everglades Depth Estimation Network (EDEN)—A decade of serving hydrologic information to scientists and resource managers
IntroductionThe Everglades Depth Estimation Network (EDEN) provides scientists and resource managers with regional maps of daily water levels and depths in the freshwater part of the Greater Everglades landscape. The EDEN domain includes all or parts of five Water Conservation Areas, Big Cypress National Preserve, Pennsuco Wetlands, and Everglades National Park. Daily water-level maps...
Authors
Eduardo Patino, Paul A. Conrads, Eric D. Swain, James M. Beerens
Projecting impacts of climate change on water availability using artificial neural network techniques
Lago Loíza reservoir in east-central Puerto Rico is one of the primary sources of public water supply for the San Juan metropolitan area. To evaluate and predict the Lago Loíza water budget, an artificial neural network (ANN) technique is trained to predict river inflows. A method is developed to combine ANN-predicted daily flows with ANN-predicted 30-day cumulative flows to improve flow...
Authors
Eric D. Swain, Julieta Gomez-Fragoso, Sigfredo Torres-Gonzalez
Applying downscaled Global Climate Model data to a groundwater model of the Suwannee River Basin, Florida, USA
The application of Global Climate Model (GCM) output to a hydrologic model allows for comparisons between simulated recent and future conditions and provides insight into the dynamics of hydrology as it may be affected by climate change. A previously developed numerical model of the Suwannee River Basin, Florida, USA, was modified and calibrated to represent transient conditions. A...
Authors
Eric D. Swain, J. Wade Davis
Evaluation of habitat suitability index models by global sensitivity and uncertainty analyses: a case study for submerged aquatic vegetation
Habitat suitability index (HSI) models are commonly used to predict habitat quality and species distributions and are used to develop biological surveys, assess reserve and management priorities, and anticipate possible change under different management or climate change scenarios. Important management decisions may be based on model results, often without a clear understanding of the...
Authors
Zuzanna Zajac, Bradley Stith, Andrea C. Bowling, Catherine A. Langtimm, Eric D. Swain
Numerical computation of hurricane effects on historic coastal hydrology in Southern Florida
Introduction Numerical models are critical for assessing the effects of sea level rise (SLR), hurricanes, and storm surge on vegetation change in the Everglades National Park. The model must be capable of representing short-timescale hydrodynamics, salinity transport, and groundwater interaction. However, there is also a strong need to adapt these numerical models to hindcast past...
Authors
Eric D. Swain, M. Dennis Krohn, Catherine A. Langtimm
Utilizing dimensional analysis with observed data to determine the significance of hydrodynamic solutions in coastal hydrology
In this paper, the authors present an analysis of the magnitude of the temporal and spatial acceleration (inertial) terms in the surface-water flow equations and determine the conditions under which these inertial terms have sufficient magnitude to be required in the computations. Data from two South Florida field sites are examined and the relative magnitudes of temporal acceleration...
Authors
Eric D. Swain, Jeremy D. Decker, Joseph D. Hughes
Applying downscaled global climate model data to a hydrodynamic surface-water and groundwater model
Precipitation data from Global Climate Models have been downscaled to smaller regions. Adapting this downscaled precipitation data to a coupled hydrodynamic surface-water/groundwater model of southern Florida allows an examination of future conditions and their effect on groundwater levels, inundation patterns, surface-water stage and flows, and salinity. The downscaled rainfall data...
Authors
Eric D. Swain, Lydia Stefanova, Thomas J. Smith
Evaluating effects of Everglades restoration on American crocodile populations in south Florida using a spatially-explicit, stage-based population model
The distribution and abundance of the American crocodile (Crocodylus acutus) in the Florida Everglades is dependent on the timing, amount, and location of freshwater flow. One of the goals of the Comprehensive Everglades Restoration Plan (CERP) is to restore historic freshwater flows to American crocodile habitat throughout the Everglades. To predict the impacts on the crocodile...
Authors
Timothy W. Green, Daniel H. Slone, Eric D. Swain, Michael S. Cherkiss, Melinda Lohmann, Frank M Mazzotti, Kenneth G. Rice
Internet-based Modeling, Mapping, and Analysis for the Greater Everglades (IMMAGE; Version 1.0): web-based tools to assess the impact of sea level rise in south Florida
South Florida's Greater Everglades area is particularly vulnerable to sea level rise, due to its rich endowment of animal and plant species and its heavily populated urban areas along the coast. Rising sea levels are expected to have substantial impacts on inland flooding, the depth and extent of surge from coastal storms, the degradation of water supplies by saltwater intrusion, and the...
Authors
Paul Hearn, David Strong, Eric D. Swain, Jeremy D. Decker
Assessing factors affecting the thermal properties of a passive thermal refuge using three-dimensional hydrodynamic flow and transport modeling
Everglades restoration activities may cause changes to temperature and salinity stratification at the Port of the Islands (POI) marina, which could affect its suitability as a cold weather refuge for manatees. To better understand how the Picayune Strand Restoration Project (PSRP) may alter this important resource in Collier County in southwestern Florida, the USGS has developed a three...
Authors
Jeremy D. Decker, Eric D. Swain, Bradley Stith, Catherine A. Langtimm
An integrated multi-criteria scenario evaluation web tool for participatory land-use planning in urbanized areas: The Ecosystem Portfolio Model
Land-use land-cover change is one of the most important and direct drivers of changes in ecosystem functions and services. Given the complexity of the decision-making, there is a need for Internet-based decision support systems with scenario evaluation capabilities to help planners, resource managers and communities visualize, compare and consider trade-offs among the many values at...
Authors
Bill Labiosa, William M. Forney, Paul Hearn, Dianna M. Hogan, David Strong, Eric D. Swain, Ann-Margaret Esnard, D. Mitsova-Boneva, Richard Bernknopf, Leonard G. Pearlstine, Hugh Gladwin
Stochastic analyses to identify wellfield withdrawal effects on surface-water and groundwater in Miami-Dade County, Florida
Several stochastic analyses were conducted in Miami-Dade County, Florida, to evaluate the effects of wellfield withdrawal on aquifer water levels, canal stage, and canal flow. Multiyear data for withdrawals at four water-supply wellfields, water levels at the S-121 canal control structure and groundwater head at a nearby monitoring well were used to determine the interrelation between...
Authors
Eric D. Swain