Search Results - "Roering, J J"

Runoff-initiated post-fire debris flow Western Cascades, Oregon by Wall, S. A., Roering, J. J., Rengers, F. K.

“…Wildfires dramatically alter the hydraulics and root reinforcement of soil on forested hillslopes, which can promote the generation of debris flows. In the…”
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Historic drought puts the brakes on earthflows in Northern California by Bennett, G. L., Roering, J. J., Mackey, B. H., Handwerger, A. L., Schmidt, D. A., Guillod, B. P.

“…California's ongoing, unprecedented drought is having profound impacts on the state's resources. Here we assess its impact on 98 deep‐seated, slow‐moving…”
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Objective landslide detection and surface morphology mapping using high-resolution airborne laser altimetry by McKean, J., Roering, J.

“…A map of extant slope failures is the most basic element of any landslide assessment. Without an accurate inventory of slope instability, it is not possible to…”
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Automated landslide mapping using spectral analysis and high-resolution topographic data: Puget Sound lowlands, Washington, and Portland Hills, Oregon by Booth, Adam M., Roering, Josh J., Perron, J. Taylor

“…Landslide inventory maps are necessary for assessing landslide hazards and addressing the role slope stability plays in landscape evolution over geologic…”
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Hilltop curvature as a proxy for erosion rate: wavelets enable rapid computation and reveal systematic underestimation by Struble, William T, Roering, Joshua J

“…Estimation of erosion rate is an important component of landscape evolution studies, particularly in settings where transience or spatial variability in uplift…”
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Experimental evidence for hillslope control of landscape scale by Sweeney, K. E., Roering, J. J., Ellis, C.

“…Landscape evolution theory suggests that climate sets the scale of landscape dissection by modulating the competition between diffusive processes that sculpt…”
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Landslide initiation thresholds in data-sparse regions: application to landslide early warning criteria in Sitka, Alaska, USA by Patton, Annette I, Luna, Lisa V, Roering, Joshua J, Jacobs, Aaron, Korup, Oliver, Mirus, Benjamin B

“…Probabilistic models to inform landslide early warning systems often rely on rainfall totals observed during past events with landslides. However, these models…”
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Rate-weakening friction characterizes both slow sliding and catastrophic failure of landslides by Handwerger, Alexander L., Rempel, Alan W., Skarbek, Rob M., Roering, Joshua J., Hilley, George E.

“…Catastrophic landslides cause billions of dollars in damages and claim thousands of lives annually, whereas slow-moving landslides with negligible inertia…”
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Climatic controls on frost cracking and implications for the evolution of bedrock landscapes by Hales, T. C., Roering, Joshua J.

“…In mountainous landscapes the role of periglacial processes in producing sediment is poorly defined, despite evidence of abundant talus slopes. Ice growth in…”
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Evidence for biotic controls on topography and soil production by Roering, Joshua J., Marshall, Jill, Booth, Adam M., Mort, Michele, Jin, Qusheng

“…The complex interplay of biological, physical, and chemical processes in pedogenesis and hillslope evolution limits our ability to predict and interpret…”
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Post-fire geomorphic response in steep, forested landscapes: Oregon Coast Range, USA by Jackson, Molly, Roering, Joshua J.

“…The role of fire in shaping steep, forested landscapes depends on a suite of hydrologic, biologic, and geological characteristics, including the propensity for…”
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Short communication: Cosmogenic noble gas depletion in soils by wildfire heating by Balco, Greg, Hidy, Alan J., Struble, William T., Roering, Joshua J.

“…Measurements of cosmic-ray-produced beryllium-10, neon-21, and helium-3 in quartz in a soil profile from a forested landscape in the Oregon Coast Range show…”
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Kinematics of earthflows in the Northern California Coast Ranges using satellite interferometry by Handwerger, Alexander L., Roering, Joshua J., Schmidt, David A., Rempel, Alan W.

“…Slow-moving landslides exhibit persistent downslope motion with variations in velocity driven by transient stress perturbations along the sliding surface…”
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A frost “buzzsaw” mechanism for erosion of the eastern Southern Alps, New Zealand by Hales, T.C., Roering, J.J.

“…In the Southern Alps, New Zealand, large gradients in precipitation (< 1 to 12 m year − 1 ) and rock uplift (< 1 to 10 mm year − 1 ) produce distinct…”
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Beyond the angle of repose: A review and synthesis of landslide processes in response to rapid uplift, Eel River, Northern California by Roering, Joshua J., Mackey, Benjamin H., Handwerger, Alexander L., Booth, Adam M., Schmidt, David A., Bennett, Georgina L., Cerovski-Darriau, Corina

“…In mountainous settings, increases in rock uplift are often followed by a commensurate uptick in denudation as rivers incise and steepen hillslopes, making…”
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Iridium-Catalyzed, Substrate-Directed C–H Borylation Reactions of Benzylic Amines by Roering, Andrew J, Hale, Lillian V. A, Squier, Phillip A, Ringgold, Marissa A, Wiederspan, Emily R, Clark, Timothy B

“…The iridium-catalyzed arene C–H borylation reaction of benzylic amines has been developed, which inverts the typical steric-controlled product distribution to…”
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Using DInSAR, airborne LiDAR, and archival air photos to quantify landsliding and sediment transport by Roering, Joshua J., Stimely, Laura L., Mackey, Benjamin H., Schmidt, David A.

“…We demonstrate the ability of coupled remote sensing tools to characterize large, slow‐moving landslides in the Eel River catchment, northern California. From…”
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River channel width controls blocking by slow-moving landslides in California's Franciscan mélange by Finnegan, Noah J., Broudy, Kiara N., Nereson, Alexander L., Roering, Joshua J., Handwerger, Alexander L., Bennett, Georgina

“…To explore the sensitivity of rivers to blocking from landslide debris, we exploit two similar geomorphic settings in California's Franciscan mélange where…”
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Rarefied particle motions on hillslopes – Part 2: Analysis by Furbish, David Jon, Williams, Sarah G. W, Roth, Danica L, Doane, Tyler H, Roering, Joshua J

“…We examine a theoretical formulation of the probabilistic physics of rarefied particle motions and deposition on rough hillslope surfaces using measurements of…”
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Rarefied particle motions on hillslopes – Part 1: Theory by Furbish, David Jon, Roering, Joshua J, Doane, Tyler H, Roth, Danica L, Williams, Sarah G. W, Abbott, Angel M

“…We describe the probabilistic physics of rarefied particle motions and deposition on rough hillslope surfaces. The particle energy balance involves…”
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