Judson W Harvey (Former Employee)
Science and Products
Filter Total Items: 16
No Result Found
Filter Total Items: 121
The river corridor’s evolving connectivity of lotic and lentic waters The river corridor’s evolving connectivity of lotic and lentic waters
River corridors supply a substantial proportion of the fresh water for societal and ecological needs. Individual functions of flowing (lotic) streams and rivers and ponded (lentic) waterbodies such as lakes and reservoirs are well-studied, but their collective functions are not as well understood. Here we bring together nationally consistent river corridor datasets to characterize the
Authors
Judson Harvey, Noah Schmadel
Accounting for temporal variability of streamflow in estimates of travel time Accounting for temporal variability of streamflow in estimates of travel time
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 across sites and over time cannot be addressed by time-averaged models if parameters are based solely on the characteristics of mean streamflow. We...
Authors
Christopher P. Konrad, Noah Schmadel, Judson Harvey, Gregory E. Schwarz, Jesus Gomez-Velez, Elizabeth W. Boyer, Durelle Scott
Unifying advective and diffusive descriptions of bedform pumping in the benthic biolayer of streams Unifying advective and diffusive descriptions of bedform pumping in the benthic biolayer of streams
Many water quality and ecosystem functions performed by streams occur in the benthic biolayer, the biologically active upper (~5 cm) layer of the streambed. Solute transport through the benthic biolayer is facilitated by bedform pumping, a physical process in which dynamic and static pressure variations over the surface of stationary bedforms (e.g., ripples and dunes) drive flow across...
Authors
Stanley Grant, Ahmed Monofy, Fulvio Boano, Jesus Gomez-Velez, Ian Guymer, Judson Harvey, Marco Ghisalberti
Integrated hydro-terrestrial modeling: Development of a national capability Integrated hydro-terrestrial modeling: Development of a national capability
Water is one of our most important natural resources and is essential to our national economy and security. Multiple federal government agencies have mission elements that address national needs related to water. Each water-related agency champions a unique science and/or operational mission focused on advancing a portion of the nation’s ability to meet our water-related challenges...
Authors
David P. Lesmes, Jessica Moerman, Tom Torgeson, Bob Vallario, Timothy D. Scheibe, Efi Foufoula-Georgiou, Harry L. Jenter, Ronald L. Bingner, Laura Condon, Brian Cosgrove, Carlos Del Castillo, Charles W Downer, John Eylander, Michael N. Fienen, Nels Frazier, David Gochis, Dave Goodrich, Judson Harvey, Joseph D. Hughes, David Hyndman, John M. Johnston, Forrest Melton, Glenn E. Moglen, David Moulton, Laura K. Lautz, Rajbir Parmar, Brenda Rashleigh, Patrick Reed, Katherine Skalak, Charuleka Varadharajan, Roland J. Viger, Nathalie Voisin, Mark Wahl
A one‐dimensional model for turbulent mixing in the benthic biolayer of stream and coastal sediments A one‐dimensional model for turbulent mixing in the benthic biolayer of stream and coastal sediments
In this paper, we develop and validate a rigorous modeling framework, based on Duhamel's Theorem, for the unsteady one-dimensional vertical transport of a solute across a flat sediment-water interface (SWI) and through the benthic biolayer of a turbulent stream. The modeling framework is novel in capturing the two-way coupling between evolving solute concentrations above and below the...
Authors
Stanley Grant, Jesus Gomez-Velez, Marco Ghisalberti, Ian Guymer, Fulvio Boano, Kevin Roche, Judson Harvey
Experimental shifts of hydrologic residence time in a sandy urban stream sediment-water interface alter nitrate removal and nitrous oxide fluxes Experimental shifts of hydrologic residence time in a sandy urban stream sediment-water interface alter nitrate removal and nitrous oxide fluxes
The sediment–water interfaces (SWI) of streams serve as important biogeochemical hotspots in watersheds and contribute to whole-catchment reactive nitrogen budgets and water-quality conditions. Recently, the SWI has been identified as an important source of nitrous oxide (N2O) produced in streams, with SWI residence time among the principal controls on its production. Here, we conducted...
Authors
T. Hampton, J. Zarnetske, Martin A. Briggs, F. M. P. Dehkordy, K. Singha, Frederick Day-Lewis, Judson Harvey, S. R. Chowdhury, John W. Lane
Science and Products
Filter Total Items: 16
No Result Found
Filter Total Items: 121
The river corridor’s evolving connectivity of lotic and lentic waters The river corridor’s evolving connectivity of lotic and lentic waters
River corridors supply a substantial proportion of the fresh water for societal and ecological needs. Individual functions of flowing (lotic) streams and rivers and ponded (lentic) waterbodies such as lakes and reservoirs are well-studied, but their collective functions are not as well understood. Here we bring together nationally consistent river corridor datasets to characterize the
Authors
Judson Harvey, Noah Schmadel
Accounting for temporal variability of streamflow in estimates of travel time Accounting for temporal variability of streamflow in estimates of travel time
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 across sites and over time cannot be addressed by time-averaged models if parameters are based solely on the characteristics of mean streamflow. We...
Authors
Christopher P. Konrad, Noah Schmadel, Judson Harvey, Gregory E. Schwarz, Jesus Gomez-Velez, Elizabeth W. Boyer, Durelle Scott
Unifying advective and diffusive descriptions of bedform pumping in the benthic biolayer of streams Unifying advective and diffusive descriptions of bedform pumping in the benthic biolayer of streams
Many water quality and ecosystem functions performed by streams occur in the benthic biolayer, the biologically active upper (~5 cm) layer of the streambed. Solute transport through the benthic biolayer is facilitated by bedform pumping, a physical process in which dynamic and static pressure variations over the surface of stationary bedforms (e.g., ripples and dunes) drive flow across...
Authors
Stanley Grant, Ahmed Monofy, Fulvio Boano, Jesus Gomez-Velez, Ian Guymer, Judson Harvey, Marco Ghisalberti
Integrated hydro-terrestrial modeling: Development of a national capability Integrated hydro-terrestrial modeling: Development of a national capability
Water is one of our most important natural resources and is essential to our national economy and security. Multiple federal government agencies have mission elements that address national needs related to water. Each water-related agency champions a unique science and/or operational mission focused on advancing a portion of the nation’s ability to meet our water-related challenges...
Authors
David P. Lesmes, Jessica Moerman, Tom Torgeson, Bob Vallario, Timothy D. Scheibe, Efi Foufoula-Georgiou, Harry L. Jenter, Ronald L. Bingner, Laura Condon, Brian Cosgrove, Carlos Del Castillo, Charles W Downer, John Eylander, Michael N. Fienen, Nels Frazier, David Gochis, Dave Goodrich, Judson Harvey, Joseph D. Hughes, David Hyndman, John M. Johnston, Forrest Melton, Glenn E. Moglen, David Moulton, Laura K. Lautz, Rajbir Parmar, Brenda Rashleigh, Patrick Reed, Katherine Skalak, Charuleka Varadharajan, Roland J. Viger, Nathalie Voisin, Mark Wahl
A one‐dimensional model for turbulent mixing in the benthic biolayer of stream and coastal sediments A one‐dimensional model for turbulent mixing in the benthic biolayer of stream and coastal sediments
In this paper, we develop and validate a rigorous modeling framework, based on Duhamel's Theorem, for the unsteady one-dimensional vertical transport of a solute across a flat sediment-water interface (SWI) and through the benthic biolayer of a turbulent stream. The modeling framework is novel in capturing the two-way coupling between evolving solute concentrations above and below the...
Authors
Stanley Grant, Jesus Gomez-Velez, Marco Ghisalberti, Ian Guymer, Fulvio Boano, Kevin Roche, Judson Harvey
Experimental shifts of hydrologic residence time in a sandy urban stream sediment-water interface alter nitrate removal and nitrous oxide fluxes Experimental shifts of hydrologic residence time in a sandy urban stream sediment-water interface alter nitrate removal and nitrous oxide fluxes
The sediment–water interfaces (SWI) of streams serve as important biogeochemical hotspots in watersheds and contribute to whole-catchment reactive nitrogen budgets and water-quality conditions. Recently, the SWI has been identified as an important source of nitrous oxide (N2O) produced in streams, with SWI residence time among the principal controls on its production. Here, we conducted...
Authors
T. Hampton, J. Zarnetske, Martin A. Briggs, F. M. P. Dehkordy, K. Singha, Frederick Day-Lewis, Judson Harvey, S. R. Chowdhury, John W. Lane