Judson W Harvey (Former Employee)
Science and Products
Filter Total Items: 16
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Disrupted carbon cycling in restored and unrestored urban streams: Critical timescales and controls Disrupted carbon cycling in restored and unrestored urban streams: Critical timescales and controls
Carbon fixation and respiration in flowing waterways play significant roles in global and regional carbon budgets, yet how land use and watershed management interact with temporal disturbances (storms) to influence metabolism remains poorly understood. Here, we combine long-term with synoptic sampling of metabolism and its variable controls in neighboring watersheds of the Chesapeake Bay...
Authors
L. G. Larsen, Judson Harvey
Predicting outcomes of restored Everglades high flow: A model system for scientifically managed floodplains Predicting outcomes of restored Everglades high flow: A model system for scientifically managed floodplains
Restoration of higher flows through the Everglades is intended to reestablish sheetflow to rebuild a well-functioning ridge and slough landscape that supports a productive and diverse ecosystem. Our objective of the study was to use hydrologic simulations and biophysical analysis to predict restoration outcomes for five major subbasins of the Everglades. Five different scenarios of...
Authors
Jay Choi, Judson Harvey
Flow and residence times of dynamic river bank storage and sinuosity-driven hyporheic exchange Flow and residence times of dynamic river bank storage and sinuosity-driven hyporheic exchange
Hydrologic exchange fluxes (HEFs) vary significantly along river corridors due to spatiotemporal changes in discharge and geomorphology. This variability results in the emergence of biogeochemical hot-spots and hot-moments that ultimately control solute and energy transport and ecosystem services from the local to the watershed scales. In this work, we use a reduced-order model to gain...
Authors
J.D. Gomez-Velez, J.L. Wilson, M.B. Cardenas, Judson Harvey
Role of a naturally varying flow regime in Everglades restoration Role of a naturally varying flow regime in Everglades restoration
The Everglades is a low-gradient floodplain predominantly on organic soil that undergoes seasonally pulsing sheetflow through a network of deepwater sloughs separated by slightly higher elevation ridges. The seasonally pulsing flow permitted the coexistence of ridge and slough vegetation, including the persistence of productive, well-connected sloughs that seasonally concentrated prey...
Authors
Judson Harvey, Paul R. Wetzel, Thomas E. Lodge, Victor C. Engel, Michael S. Ross
Fine particle retention within stream storage areas at base flow and in response to a storm event Fine particle retention within stream storage areas at base flow and in response to a storm event
Fine particles (1–100 µm), including particulate organic carbon (POC) and fine sediment, influence stream ecological functioning because they may contain or have a high affinity to sorb nitrogen and phosphorus. These particles are immobilized within stream storage areas, especially hyporheic sediments and benthic biofilms. However, fine particles are also known to remobilize under all...
Authors
J. D. Drummond, L. G. Larsen, R. González-Pinzón, A. I. Packman, Judson Harvey
Complex networks of functional connectivity in a wetland reconnected to its floodplain Complex networks of functional connectivity in a wetland reconnected to its floodplain
Disturbances such as fire or flood, in addition to changing the local magnitude of ecological, hydrological, or biogeochemical processes, can also change their functional connectivity—how those processes interact in space. Complex networks offer promise for quantifying functional connectivity in watersheds. The approach resolves connections between nodes in space based on statistical...
Authors
Laurel G. Larsen, Susan Newman, Colin Saunders, Judson Harvey
Science and Products
Filter Total Items: 16
No Result Found
Filter Total Items: 121
Disrupted carbon cycling in restored and unrestored urban streams: Critical timescales and controls Disrupted carbon cycling in restored and unrestored urban streams: Critical timescales and controls
Carbon fixation and respiration in flowing waterways play significant roles in global and regional carbon budgets, yet how land use and watershed management interact with temporal disturbances (storms) to influence metabolism remains poorly understood. Here, we combine long-term with synoptic sampling of metabolism and its variable controls in neighboring watersheds of the Chesapeake Bay...
Authors
L. G. Larsen, Judson Harvey
Predicting outcomes of restored Everglades high flow: A model system for scientifically managed floodplains Predicting outcomes of restored Everglades high flow: A model system for scientifically managed floodplains
Restoration of higher flows through the Everglades is intended to reestablish sheetflow to rebuild a well-functioning ridge and slough landscape that supports a productive and diverse ecosystem. Our objective of the study was to use hydrologic simulations and biophysical analysis to predict restoration outcomes for five major subbasins of the Everglades. Five different scenarios of...
Authors
Jay Choi, Judson Harvey
Flow and residence times of dynamic river bank storage and sinuosity-driven hyporheic exchange Flow and residence times of dynamic river bank storage and sinuosity-driven hyporheic exchange
Hydrologic exchange fluxes (HEFs) vary significantly along river corridors due to spatiotemporal changes in discharge and geomorphology. This variability results in the emergence of biogeochemical hot-spots and hot-moments that ultimately control solute and energy transport and ecosystem services from the local to the watershed scales. In this work, we use a reduced-order model to gain...
Authors
J.D. Gomez-Velez, J.L. Wilson, M.B. Cardenas, Judson Harvey
Role of a naturally varying flow regime in Everglades restoration Role of a naturally varying flow regime in Everglades restoration
The Everglades is a low-gradient floodplain predominantly on organic soil that undergoes seasonally pulsing sheetflow through a network of deepwater sloughs separated by slightly higher elevation ridges. The seasonally pulsing flow permitted the coexistence of ridge and slough vegetation, including the persistence of productive, well-connected sloughs that seasonally concentrated prey...
Authors
Judson Harvey, Paul R. Wetzel, Thomas E. Lodge, Victor C. Engel, Michael S. Ross
Fine particle retention within stream storage areas at base flow and in response to a storm event Fine particle retention within stream storage areas at base flow and in response to a storm event
Fine particles (1–100 µm), including particulate organic carbon (POC) and fine sediment, influence stream ecological functioning because they may contain or have a high affinity to sorb nitrogen and phosphorus. These particles are immobilized within stream storage areas, especially hyporheic sediments and benthic biofilms. However, fine particles are also known to remobilize under all...
Authors
J. D. Drummond, L. G. Larsen, R. González-Pinzón, A. I. Packman, Judson Harvey
Complex networks of functional connectivity in a wetland reconnected to its floodplain Complex networks of functional connectivity in a wetland reconnected to its floodplain
Disturbances such as fire or flood, in addition to changing the local magnitude of ecological, hydrological, or biogeochemical processes, can also change their functional connectivity—how those processes interact in space. Complex networks offer promise for quantifying functional connectivity in watersheds. The approach resolves connections between nodes in space based on statistical...
Authors
Laurel G. Larsen, Susan Newman, Colin Saunders, Judson Harvey