Search Results - "Ward, Adam S"
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1
Hardware Selection and Performance of Low-Cost Fluorometers
Published in Sensors (Basel, Switzerland) (17-03-2022)“…Access to and extensive use of fluorometric analyses is limited, despite its extensive utility in environmental transport and fate. Wide-spread application of…”
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2
Testing Hidden Assumptions of Representativeness in Reach‐Scale Studies of Hyporheic Exchange
Published in Water resources research (01-01-2023)“…Field studies of hyporheic exchange in mountain systems are often conducted using short study reaches and a limited number of observations. It is common…”
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3
Pervasive changes in stream intermittency across the United States
Published in Environmental research letters (01-08-2021)“…Abstract Non-perennial streams are widespread, critical to ecosystems and society, and the subject of ongoing policy debate. Prior large-scale research on…”
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4
Imaging hyporheic zone solute transport using electrical resistivity
Published in Hydrological processes (30-03-2010)“…Traditional characterization of hyporheic processes relies upon modelling observed in‐stream and subsurface breakthrough curves to estimate hyporheic zone size…”
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5
What's in a Name? Patterns, Trends, and Suggestions for Defining Non-Perennial Rivers and Streams
Published in Water (Basel) (01-07-2020)“…Rivers that cease to flow are globally prevalent. Although many epithets have been used for these rivers, a consensus on terminology has not yet been reached…”
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Field‐scale analysis of miscanthus production indicates climate change may increase the opportunity for water quality improvement in a key Iowa watershed
Published in Global change biology. Bioenergy (01-08-2023)“…The Raccoon River Basin is the primary source for drinking water in Iowa's largest city and plays a major role in the Mississippi River Basin's high nutrient…”
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A machine learning approach to water quality forecasts and sensor network expansion: Case study in the Wabash River Basin, United States
Published in Hydrological processes (01-06-2022)“…Midwestern cities require forecasts of surface nitrate loads to bring additional treatment processes online or activate alternative water supplies…”
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Solute Transport and Transformation in an Intermittent, Headwater Mountain Stream with Diurnal Discharge Fluctuations
Published in Water (Basel) (01-11-2019)“…Time-variable discharge is known to control both transport and transformation of solutes in the river corridor. Still, few studies consider the interactions of…”
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Simulation of dynamic expansion, contraction, and connectivity in a mountain stream network
Published in Advances in water resources (01-04-2018)“…•Implementation of a mechanistic, dynamic model of network expansion and contraction.•Importance of geologic setting and hydrologic forcing change through a…”
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10
An analysis of conservation practice adoption studies in agricultural human-natural systems
Published in Journal of environmental management (15-04-2019)“…Farmers' conservation decisions are central to addressing regional environmental challenges, such as biodiversity loss, water quality impairment, or climate…”
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11
Clarify jurisdiction of US Clean Water Act
Published in Science (American Association for the Advancement of Science) (13-01-2023)Get full text
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12
The channel‐source hypothesis: Empirical evidence for in‐channel sourcing of dissolved organic carbon to explain hysteresis in a headwater mountain stream
Published in Hydrological processes (01-05-2022)“…Catchment hydrologists have long puzzled over the question: How can catchments rapidly generate storm flows and pulses of solutes in response to storm events?…”
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The evolution and state of interdisciplinary hyporheic research
Published in Wiley interdisciplinary reviews. Water (01-01-2016)“…Hyporheic zones are of broad interest, given their location at the interface between surface and groundwaters, numerous ecological functions, and location as a…”
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14
Antecedent Conditions Control Thresholds of Tile‐Runoff Generation and Nitrogen Export in Intensively Managed Landscapes
Published in Water resources research (01-02-2022)“…Threshold changes in rainfall‐runoff generation commonly represent shifts in runoff mechanisms and hydrologic connectivity controlling water and solute…”
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15
The fluid definition of the ‘waters of the United States’: Non‐uniform effects of regulation on US wetland protections
Published in Hydrological processes (01-11-2022)“…Recent revisions to the definition of the ‘waters of the United States’ (WOTUS) have considerably altered how wetlands are federally regulated under the Clean…”
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16
Dynamics of Surface‐Water Connectivity in a Low‐Gradient Meandering River Floodplain
Published in Water resources research (01-03-2019)“…High‐resolution topography reveals that floodplains along meandering rivers in Indiana commonly contain intermittently flowing channel networks. We…”
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Conservative solute transport processes and associated transient storage mechanisms: Comparing streams with contrasting channel morphologies, land use and land cover
Published in Hydrological processes (01-04-2022)“…Land use within a watershed impacts stream channel morphology and hydrology and, therefore, in‐stream solute transport processes and associated transient…”
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18
Illuminating the ‘invisible water crisis’ to address global water pollution challenges
Published in Hydrological processes (01-03-2022)Get full text
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19
Ecohydrologic separation alters interpreted hydrologic stores and fluxes in a headwater mountain catchment
Published in Hydrological processes (30-09-2019)“…Recent studies have demonstrated that compartmentalized pools of water preferentially supply either plant transpiration (poorly mobile water) or streamflow and…”
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Hydrologic controls on hyporheic exchange in a headwater mountain stream
Published in Water resources research (01-07-2017)“…The spatial and temporal scales of hyporheic exchange within the stream corridor are controlled by stream discharge and groundwater inflow interacting with…”
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