Search Results - "Mcdonnell, J."

The ecological future of cities by McDonnell, Mark J., MacGregor-Fors, Ian

“…The discipline of urban ecology arose in the 1990s, primarily motivated by a widespread interest in documenting the distribution and abundance of animals and…”
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Debates-The future of hydrological sciences: A (common) path forward? A call to action aimed at understanding velocities, celerities and residence time distributions of the headwater hydrograph by McDonnell, Jeffrey J., Beven, Keith

“…Key Points Celerity is faster than velocity Watershed models are evaluated only against celerity Velocity must be addressed in future watershed models…”
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Global separation of plant transpiration from groundwater and streamflow by Evaristo, Jaivime, Jasechko, Scott, McDonnell, Jeffrey J.

“…Soil water is usually assumed to be equally available for all purposes, supplying plant transpiration as well as groundwater and streamflow; however, a study…”
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Hydrograph separation using stable isotopes: Review and evaluation by Klaus, J., McDonnell, J.J.

“…•We reviewed isotope hydrograph separation studies.•We examine methods, applications, and limitations.•We summarize factors that control the event/pre-event…”
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Adaptation and Adaptedness of Organisms to Urban Environments by McDonnell, Mark J, Hahs, Amy K

“…Around the world the development and growth of cities and towns are having a significant impact on local and global biodiversity. There is growing interest in…”
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Uncertainty quantification for nuclear density functional theory and information content of new measurements by McDonnell, J D, Schunck, N, Higdon, D, Sarich, J, Wild, S M, Nazarewicz, W

“…Statistical tools of uncertainty quantification can be used to assess the information content of measured observables with respect to present-day theoretical…”
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Whither field hydrology? The need for discovery science and outrageous hydrological hypotheses by Burt, T. P., McDonnell, J. J.

“…Field hydrology is on the decline. Meanwhile, the need for new field‐derived insight into the age, origin and pathway of water in the headwaters, where most…”
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Macropore flow of old water revisited: experimental insights from a tile-drained hillslope by Klaus, J, Zehe, E, Elsner, M, Külls, C, McDonnell, J. J

“…The mechanisms allowing the rapid release of stored water to streams are poorly understood. Here we use a tile-drained field site to combine macroporous soils…”
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The two water worlds hypothesis: ecohydrological separation of water between streams and trees? by McDonnell, Jeffrey J.

“…Recent work in ecohydrology has shown that in some forested watershed systems, streams and trees appear to return different pools of water to the hydrosphere…”
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Land use change effects on runoff generation in a humid tropical montane cloud forest region by Muñoz-Villers, L. E, McDonnell, J. J

“…While tropical montane cloud forests (TMCF) provide critical hydrological services to downstream regions throughout much of the humid tropics, catchment…”
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Threshold relations in subsurface stormflow: 2. The fill and spill hypothesis by Tromp-van Meerveld, H.J, McDonnell, J.J

“…Analysis of subsurface stormflow from 147 storms at the 20 m long trench in the Panola Mountain Research Watershed by Tromp-van Meerveld and McDonnell (2006a)…”
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Substantial proportion of global streamflow less than three months old by Jasechko, Scott, Kirchner, James W., Welker, Jeffrey M., McDonnell, Jeffrey J.

“…Streamflow is a mixture of precipitation of various ages. Oxygen isotope data suggests that a third of global river discharge is sourced from rainfall within…”
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Serratus plane block: a novel ultrasound‐guided thoracic wall nerve block by Blanco, R., Parras, T., McDonnell, J. G., Prats‐Galino, A.

“…Summary We present a novel ultrasound‐guided regional anaesthetic technique that may achieve complete paraesthesia of the hemithorax. This technique may be a…”
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Global aquifers dominated by fossil groundwaters but wells vulnerable to modern contamination by Jasechko, Scott, Perrone, Debra, Befus, Kevin M., Bayani Cardenas, M., Ferguson, Grant, Gleeson, Tom, Luijendijk, Elco, McDonnell, Jeffrey J., Taylor, Richard G., Wada, Yoshihide, Kirchner, James W.

“…The vulnerability of groundwater to contamination is closely related to its age. Groundwaters that infiltrated prior to the Holocene have been documented in…”
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Reviews and syntheses: on the roles trees play in building and plumbing the critical zone by Brantley, Susan L, Eissenstat, David M, Marshall, Jill A, Godsey, Sarah E, Balogh-Brunstad, Zsuzsanna, Karwan, Diana L, Papuga, Shirley A, Roering, Joshua, Dawson, Todd E, Evaristo, Jaivime, Chadwick, Oliver, McDonnell, Jeffrey J, Weathers, Kathleen C

“…Trees, the most successful biological power plants on earth, build and plumb the critical zone (CZ) in ways that we do not yet understand. To encourage…”
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Plant source water apportionment using stable isotopes: A comparison of simple linear, two‐compartment mixing model approaches by Evaristo, Jaivime, McDonnell, Jeffrey J., Clemens, John

“…Plant source water identification using stable isotopes is now a common practice in ecohydrological process investigations. Notwithstanding, little critical…”
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Multiple runoff processes and multiple thresholds control agricultural runoff generation by Saffarpour, Shabnam, Western, Andrew W, Adams, Russell, McDonnell, Jeffrey J

“…Thresholds and hydrologic connectivity associated with runoff processes are a critical concept for understanding catchment hydrologic response at the event…”
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Effect of bedrock permeability on stream base flow mean transit time scaling relations: 1. A multiscale catchment intercomparison by Hale, V. Cody, McDonnell, Jeffrey J.

“…The effect of bedrock permeability and underlying catchment boundaries on stream base flow mean transit time (MTT) and MTT scaling relationships in headwater…”
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Hydrological connectivity of hillslopes and streams: Characteristic time scales and nonlinearities by McGuire, Kevin J., McDonnell, Jeffrey J.

“…Subsurface flow from hillslopes is widely recognized as an important contributor to streamflow generation; however, processes that control how and when…”
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Intercomparison of soil pore water extraction methods for stable isotope analysis by Orlowski, Natalie, Pratt, Dyan L., McDonnell, Jeffrey J.

“…Measurements of δ2H and δ18O composition of pore waters in saturated and unsaturated soil samples are routinely performed in hydrological studies. A variety of…”
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