Search Results - "Buffington, John M."

Effects of stream discharge, alluvial depth and bar amplitude on hyporheic flow in pool-riffle channels by Tonina, Daniele, Buffington, John M.

“…Hyporheic flow results from the interaction between streamflow and channel morphology and is an important component of stream ecosystems because it enhances…”
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Hyporheic exchange in gravel bed rivers with pool-riffle morphology: Laboratory experiments and three-dimensional modeling by Tonina, D, Buffington, J.M

“…We report the first laboratory simulations of hyporheic exchange in gravel pool-riffle channels, which are characterized by coarse sediment, steep slopes, and…”
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Hyporheic Exchange in Mountain Rivers I: Mechanics and Environmental Effects by Tonina, Daniele, Buffington, John M.

“…Hyporheic exchange is the mixing of surface and shallow subsurface water through porous sediment surrounding a river and is driven by spatial and temporal…”
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Hyporheic Exchange in Mountain Rivers II: Effects of Channel Morphology on Mechanics, Scales, and Rates of Exchange by Buffington, John M., Tonina, Daniele

“…We propose that the mechanisms driving hyporheic exchange vary systematically with different channel morphologies and associated fluvial processes that occur…”
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Enhanced sediment delivery in a changing climate in semi-arid mountain basins: Implications for water resource management and aquatic habitat in the northern Rocky Mountains by Goode, Jaime R., Luce, Charles H., Buffington, John M.

“…The delivery and transport of sediment through mountain rivers affects aquatic habitat and water resource infrastructure. While climate change is widely…”
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Application of a hierarchical framework for assessing environmental impacts of dam operation: Changes in streamflow, bed mobility and recruitment of riparian trees in a western North American river by Burke, Michael, Jorde, Klaus, Buffington, John M.

“…River systems have been altered worldwide by dams and diversions, resulting in a broad array of environmental impacts. The use of a process-based, hierarchical…”
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A general power equation for predicting bed load transport rates in gravel bed rivers by Barry, J.J, Buffington, J.M, King, J.G

“…A variety of formulae has been developed to predict bed load transport in gravel bed rivers, ranging from simple regressions to complex multiparameter…”
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Impact of flow regulation on stream morphology and habitat quality distribution by Duffin, Jenna, Yager, Elowyn M., Buffington, John M., Benjankar, Rohan, Borden, Carter, Tonina, Daniele

“…The importance of interactions among stream hydrology, morphology, and biology is well recognized in studies of stream ecosystems. However, when quantifying…”
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Process-Based Principles for Restoring River Ecosystems by Beechie, Timothy J, Sear, David A, Olden, Julian D, Pess, George R, Buffington, John M, Moir, Hamish, Roni, Philip, Pollock, Michael M

“…Process-based restoration aims to reestablish normative rates and magnitudes of physical, chemical, and biological processes that sustain river and floodplain…”
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Controls on the size and occurrence of pools in coarse-grained forest rivers by Buffington, John M., Lisle, Thomas E., Woodsmith, Richard D., Hilton, Sue

“…Controls on pool formation are examined in gravel‐ and cobble‐bed rivers in forest mountain drainage basins of northern California, southern Oregon, and…”
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Distribution of bedrock and alluvial channels in forested mountain drainage basins by Montgomery, David R, Abbe, Tim B, Buffington, John M, Peterson, N. Phil, Schmidt, Kevin M, Stock, Jonathan D

“…Montgomery et al investigated the distribution of channel types in forested mountain drainage basins, and showed that the occurrence of bedrock and alluvial…”
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Correction to “A general power equation for predicting bed load transport rates in gravel bed rivers” by Barry, Jeffrey J., Buffington, John M., King, John G.

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The relative stability of salmon redds and unspawned streambeds by Buxton, Todd H., Buffington, John M., Yager, Elowyn M., Hassan, Marwan A., Fremier, Alexander K.

“…Where female salmon build nests (“redds”), streambed material is mixed, fine sediment is winnowed, and bed material is moved into a tailspill mound resembling…”
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Can Rapid Assessment Protocols Be Used to Judge Sediment Impairment in Gravel-Bed Streams? A Commentary by Lisle, Thomas E., Buffington, John M., Wilcock, Peter R., Bunte, Kristin

“…Land management agencies commonly use rapid assessments to evaluate the impairment of gravel‐bed streams by sediment inputs from anthropogenic sources. We…”
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Using Natural Disturbance and Portfolio Concepts to Guide Aquatic–Riparian Ecosystem Management by Penaluna, Brooke E., Reeves, Gordon H., Barnett, Zanethia C., Bisson, Peter A., Buffington, John M., Dolloff, C. Andrew, Flitcroft, Rebecca L., Luce, Charles H., Nislow, Keith H., Rothlisberger, John D., Warren, Melvin L.

“…The U.S. Forest Service and other federal land managers are responsible for maintaining the productivity of aquatic–riparian ecosystems, the associated native…”
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Thank You to Our 2017 Peer Reviewers by Hubbard, Bryn, Buffington, John M., Coco, Giovanni

“…Key Point The JGR‐Earth Surface Editors thank all the peer reviewers from 2017…”
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Modeling the effects of pulsed versus chronic sand inputs on salmonid spawning habitat in a low-gradient gravel-bed river by Maturana, Oscar, Tonina, Daniele, McKean, James A., Buffington, John M., Luce, Charles H., Caamaño, Diego

“…ABSTRACTIt is widely recognized that high supplies of fine sediment, largely sand, can negatively impact the aquatic habitat quality of gravel‐bed rivers, but…”
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Effects of hydraulic roughness on surface textures of gravel-bed rivers by Buffington, John M., Montgomery, David R.

“…Field studies of forest gravel‐bed rivers in northwestern Washington and southeastern Alaska demonstrate that bed‐surface grain size is responsive to hydraulic…”
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Unifying Criterion for the Velocity Reversal Hypothesis in Gravel-Bed Rivers by Caamaño, Diego, Goodwin, Peter, Buffington, John M, Liou, Jim C, Daley-Laursen, Steve

“…It has been hypothesized that velocity reversals provide a mechanism for maintaining pool-riffle morphology in gravel-bed rivers—an important habitat for…”
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Hydrological response to timber harvest in northern Idaho: implications for channel scour and persistence of salmonids by Tonina, Daniele, Luce, Charles H, Rieman, Bruce, Buffington, John M, Goodwin, Peter, Clayton, Stephen R, Alì, Shawkat Md, Barry, Jeffrey J, Berenbrock, Charles

“…The potential for forest harvest to increase snowmelt rates in maritime snow climates is well recognized. However, questions still exist about the magnitude of…”
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