Elizabeth W. Boyer
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View article: Building resilient urban water systems: emerging opportunities for solving long-lasting challenges
Building resilient urban water systems: emerging opportunities for solving long-lasting challenges Open
peer reviewed
View article: Designing an International Critical Zone Network of Networks
Designing an International Critical Zone Network of Networks Open
The “ Designing an International Critical Zone Network of Networks ” workshop will bring together scientists, network coordinators, and stakeholders to explore strategies for fostering global collaboration in Critical Zone (CZ) science. Th…
View article: Accelerating Critical Zone Science with an International Network of Networks
Accelerating Critical Zone Science with an International Network of Networks Open
The international Critical Zone Network of Networks (CZ-NoN) project, launched in January 2025 and funded by the US National Science Foundation, promotes the study of the Earth’s Critical Zone (CZ), the vital near-surface environment…
View article: Spatiotemporal dynamics of soil moisture and the occurrence of hysteresis during seasonal transitions in a headwater catchment
Spatiotemporal dynamics of soil moisture and the occurrence of hysteresis during seasonal transitions in a headwater catchment Open
Spatiotemporal dynamics of soil moisture and its hysteresis behavior are crucial for the integration of soil, vegetation, and hydrological processes in headwater catchments. While extensive research has been conducted on soil moisture patt…
View article: Estimating root zone soil moisture using the SMAR model and regression method at a headwater catchment with complex terrain
Estimating root zone soil moisture using the SMAR model and regression method at a headwater catchment with complex terrain Open
Obtaining accurate information regarding root zone soil moisture (RZSM) is a critical element of effective hydrological and agricultural management practices. Previous studies have relied on surface soil moisture (SSM) values, which are mo…
View article: Increasing phosphorus loss despite widespread concentration decline in US rivers
Increasing phosphorus loss despite widespread concentration decline in US rivers Open
The loss of phosphorous (P) from the land to aquatic systems has polluted waters and threatened food production worldwide. Systematic trend analysis of P, a nonrenewable resource, has been challenging, primarily due to sparse and inconsist…
View article: Exploring Earth's Critical Zone Through the U.S. Critical Zone Collaborative Network
Exploring Earth's Critical Zone Through the U.S. Critical Zone Collaborative Network Open
The Critical Zone Collaborative Network (CZ Net) is a national research initiative in the United States supporting investigations of the Earth's critical zone (CZ) -- the vital near-surface environment extending from the top of the vegetat…
View article: Coupled coordination spatiotemporal analyses inform sustainable development and environmental protection for the Yellow River Basin of China
Coupled coordination spatiotemporal analyses inform sustainable development and environmental protection for the Yellow River Basin of China Open
Multiple nonlinear interactions exist between economic growth, urbanization construction, water resources, and industrial development (EUWI) within a region. To achieve the national goals of ecological protection and high-quality developme…
View article: Deep learning insights into suspended sediment concentrations across the conterminous United States: Strengths and limitations
Deep learning insights into suspended sediment concentrations across the conterminous United States: Strengths and limitations Open
Suspended sediment concentration (SSC) is a crucial indicator for aquatic ecosystems and reservoir management but is challenging to predict at large scales. This study seeks to test the feasibility of deep-network-based models to predict S…
View article: Freshwater unionid mussels threatened by predation of Round Goby (Neogobius melanostomus)
Freshwater unionid mussels threatened by predation of Round Goby (Neogobius melanostomus) Open
Indigenous freshwater mussels (Unionidae) are integral to riverine ecosystems, playing a pivotal role in aquatic food webs and providing ecological services. With populations on the decline worldwide, freshwater mussels are of conservation…
View article: Status of Freshwater Mussels (Unionidae) in the French Creek Watershed, USA at the Onset of Invasion by Round Goby, Neogobius melanostomus
Status of Freshwater Mussels (Unionidae) in the French Creek Watershed, USA at the Onset of Invasion by Round Goby, Neogobius melanostomus Open
Freshwater mussels are an imperiled group of organisms that are vital to aquatic ecosystems. Services performed by freshwater mussels, coupled with their use for biomonitoring, make them an invaluable asset. Neogobius melanostomus (Round G…
View article: Evaluation of Three Gridded Precipitation Products to Quantify Water Inputs over Complex Mountainous Terrain of Western China
Evaluation of Three Gridded Precipitation Products to Quantify Water Inputs over Complex Mountainous Terrain of Western China Open
This study evaluates the capacity of three gridded precipitation products (MSWEP V2.2, TRMM-3B42 V7, and GPM-IMERG V6) to detect precipitation in the Min Jiang watershed, a data-scarce and mountainous region in western China. A set of stat…
View article: Methylmercury in lake bed soils during re-flooding of an Appalachian reservoir in the northeastern USA
Methylmercury in lake bed soils during re-flooding of an Appalachian reservoir in the northeastern USA Open
Mercury methylation, where inorganic mercury (Hg) is converted to methylmercury (MeHg), can increase in soils when flooded. While effects of the initial flooding of soils on MeHg production have been well studied, less is known about impac…
View article: Women advancing research on hydrological processes: Preface
Women advancing research on hydrological processes: Preface Open
The Special Issue (SI) of Hydrological Processes features invited contributions led by women scientists at an advanced career stage who
\nhave made sustained contributions to the study of hydrological processes, advancing the field. This …
View article: Groundwater contributions of flow and nitrogen in a headwater agricultural watershed
Groundwater contributions of flow and nitrogen in a headwater agricultural watershed Open
Nonpoint sources of nitrogen (N) and other nutrients are a major source of water pollution within the Chesapeake Bay watershed and other basins around the world. Human activities associated with agricultural practices can account for a lar…
View article: An Automatic Processing Framework for <i>In Situ</i> Determination of Ecohydrological Root Water Content by Ground-Penetrating Radar
An Automatic Processing Framework for <i>In Situ</i> Determination of Ecohydrological Root Water Content by Ground-Penetrating Radar Open
This report concerns Root water content (RWC) as a vital component in water flux in soil-plant-atmosphere continuum. Knowledge of RWC helps to better understand the root function and the soil-root interaction and improves water cycle model…
View article: Nitrogen and Phosphorus Concentration Thresholds toward Establishing Water Quality Criteria for Pennsylvania, USA
Nitrogen and Phosphorus Concentration Thresholds toward Establishing Water Quality Criteria for Pennsylvania, USA Open
Nutrient enrichment is currently a leading cause of impairment to streams in Pennsylvania. Evaluating the water quality condition and eutrophic status of streams and rivers is a challenge without established thresholds for nutrient concent…
View article: Peak grain forecasts in the U.S. High Plains amid withering waters
Peak grain forecasts in the U.S. High Plains amid withering waters Open
Irrigated agriculture contributes 40% of total global food production. In the US High Plains, which produces more than 50 million tons per year of grain, as much as 90% of irrigation originates from groundwater resources, including the Oga…
View article: Differential effects of land use on nutrient concentrations in streams of Pennsylvania
Differential effects of land use on nutrient concentrations in streams of Pennsylvania Open
Nutrient pollution of surface waters is a widespread problem, calling for regional assessments of water quality conditions. In this study, we quantified long-term median nutrient concentrations of total nitrogen (TN) and total phosphorus (…
View article: Concentration–Discharge Relationships in Runoff Components during Rainfall Events at the Hydrohill Experimental Catchment in Chuzhou, China
Concentration–Discharge Relationships in Runoff Components during Rainfall Events at the Hydrohill Experimental Catchment in Chuzhou, China Open
Concentration–discharge (C-Q) relationships are a convenient and increasingly popular tool for interpreting the episodic hydrochemical response to the varying discharge in small basins, providing insights into solute transport and streamfl…
View article: Peak grain forecasts for the US High Plains amid withering waters
Peak grain forecasts for the US High Plains amid withering waters Open
Significance Rapid groundwater depletion represents a significant threat to food and water security because groundwater supplies more than 20% of global water use, especially for crop irrigation. A large swath of the US High Plains, which …
View article: Accounting for Temporal Variability of Streamflow in Estimates of Travel Time
Accounting for Temporal Variability of Streamflow in Estimates of Travel Time Open
Retention, processing, and transport of solutes and particulates in stream corridors are influenced by the travel time of streamflow through stream channels, which varies dynamically with discharge. The effects of streamflow variability ac…
View article: Advancing ecohydrology in the 21st century: A convergence of opportunities
Advancing ecohydrology in the 21st century: A convergence of opportunities Open
Nature‐based solutions for water‐resource challenges require advances in the science of ecohydrology. Current understanding is limited by a shortage of observations and theories that can further our capability to synthesize complex process…
View article: Low threshold for nitrogen concentration saturation in headwaters increases regional and coastal delivery
Low threshold for nitrogen concentration saturation in headwaters increases regional and coastal delivery Open
River corridors store, convey, and process nutrients from terrestrial and upstream sources, regulating delivery from headwaters to estuaries. A consequence of chronic excess nitrogen loading, as supported by theory and field studies in spe…