Search Results - "Dietrich, William E."

Direct observations of rock moisture, a hidden component of the hydrologic cycle by Rempe, Daniella M., Dietrich, William E.

“…Recent theory and field observations suggest that a systematically varying weathering zone, that can be tens of meters thick, commonly develops in the bedrock…”
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bottom-up control on fresh-bedrock topography under landscapes by Rempe, Daniella M., Dietrich, William E.

“…The depth to unweathered bedrock beneath landscapes influences subsurface runoff paths, erosional processes, moisture availability to biota, and water flux to…”
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The frontier beneath our feet by Grant, Gordon E., Dietrich, William E.

“…Following the simple question as to where water goes when it rains leads to one of the most exciting frontiers in earth science: the critical zone—Earth's…”
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Dynamic, structured heterogeneity of water isotopes inside hillslopes by Oshun, Jasper, Dietrich, William E., Dawson, Todd E., Fung, Inez

“…Use of the stable isotopes of water (δD, δ18O) to determine vegetative water sources, runoff paths, and residence times generally assumes that, other than…”
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Lithologically Controlled Subsurface Critical Zone Thickness and Water Storage Capacity Determine Regional Plant Community Composition by Hahm, W. Jesse, Rempe, Daniella M., Dralle, David N., Dawson, Todd E., Lovill, Sky M., Bryk, Alexander B., Bish, David L., Schieber, Juergen, Dietrich, William E.

“…Explanations for distinct adjacent ecosystems that extend across hilly landscapes typically point to differences in climate or land use. Here we…”
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Is the critical Shields stress for incipient sediment motion dependent on channel-bed slope? by Lamb, Michael P., Dietrich, William E., Venditti, Jeremy G.

“…Data from laboratory flumes and natural streams show that the critical Shields stress for initial sediment motion increases with channel slope, which indicates…”
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Experimental evidence for the conditions necessary to sustain meandering in coarse-bedded rivers by Braudrick, Christian A, Dietrich, William E, Leverich, Glen T, Sklar, Leonard S

“…Meandering rivers are common on Earth and other planetary surfaces, yet the conditions necessary to maintain meandering channels are unclear. As a consequence,…”
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Rain, rock moisture dynamics, and the rapid response of perched groundwater in weathered, fractured argillite underlying a steep hillslope by Salve, Rohit, Rempe, Daniella M., Dietrich, William E.

“…Various field studies have concluded that shallow groundwater in weathered bedrock underlying hillslopes can contribute to both base and stormflow and thus…”
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Physical basis for quasi-universal relations describing bankfull hydraulic geometry of single-thread gravel bed rivers by Parker, Gary, Wilcock, Peter R., Paola, Chris, Dietrich, William E., Pitlick, John

“…We examine relations for hydraulic geometry of alluvial, single‐thread gravel bed rivers with definable bankfull geometries. Four baseline data sets determine…”
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A model for fluvial bedrock incision by impacting suspended and bed load sediment by Lamb, Michael P., Dietrich, William E., Sklar, Leonard S.

“…A mechanistic model is derived for the rate of fluvial erosion into bedrock by abrasion from uniform size particles that impact the bed during transport in…”
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Controls on the spacing of first-order valleys by Perron, J. Taylor, Dietrich, William E., Kirchner, James W.

“…Many landscapes are composed of ridges and valleys that are uniformly spaced, even where valley locations are not controlled by bedrock structure. Models of…”
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Controls on the size distributions of shallow landslides by Bellugi, Dino G., Milledge, David G., Cuffey, Kurt M., Dietrich, William E., Larsen, Laurel G.

“…Rainfall-triggered shallow landslides are destructive hazards and play an important role in landscape processes. A theory explaining the size distributions of…”
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Spectral signatures of characteristic spatial scales and nonfractal structure in landscapes by Perron, J. Taylor, Kirchner, James W., Dietrich, William E.

“…Landscapes are sometimes argued to be scale‐invariant or random surfaces, yet qualitative observations suggest that they contain characteristic spatial scales…”
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The search for a topographic signature of life by Dietrich, William E, Perron, J. Taylor

“…Landscapes are shaped by the uplift, deformation and breakdown of bedrock and the erosion, transport and deposition of sediment. Life is important in all of…”
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A mechanistic model for river incision into bedrock by saltating bed load by Sklar, Leonard S., Dietrich, William E.

“…Abrasion by bed load is a ubiquitous and sometimes dominant erosional mechanism for fluvial incision into bedrock. Here we develop a model for bedrock abrasion…”
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Channel network extraction from high resolution topography using wavelets by Lashermes, Bruno, Foufoula-Georgiou, Efi, Dietrich, William E.

“…The availability of high resolution topography from LIDAR offers new opportunities for objectively extracting the channels directly from a DEM using local…”
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The role of sediment in controlling steady-state bedrock channel slope: Implications of the saltation–abrasion incision model by Sklar, Leonard S., Dietrich, William E.

“…The saltation–abrasion model is a mechanistic model for river incision into bedrock by saltating bedload, which we have previously derived and used…”
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River meandering on Earth and Mars: A comparative study of Aeolis Dorsa meanders, Mars and possible terrestrial analogs of the Usuktuk River, AK, and the Quinn River, NV by Matsubara, Yo, Howard, Alan D., Burr, Devon M., Williams, Rebecca M.E., Dietrich, William E., Moore, Jeffery M.

“…The paleo-meanders in the Aeolis Dorsa (AD) region show that meandering channels can develop in the absence of vegetation. Three possible mechanisms other than…”
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Effects of coarse grain size distribution and fine particle content on pore fluid pressure and shear behavior in experimental debris flows by Kaitna, Roland, Palucis, Marisa C., Yohannes, Bereket, Hill, Kimberly M., Dietrich, William E.

“…Debris flows are typically a saturated mixture of poorly sorted particles and interstitial fluid, whose density and flow properties depend strongly on the…”
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Plants as sensors: vegetation response to rainfall predicts root-zone water storage capacity in Mediterranean-type climates by Dralle, David N, Jesse Hahm, W, Rempe, Daniella M, Karst, Nathaniel, Anderegg, Leander D L, Thompson, Sally E, Dawson, Todd E, Dietrich, William E

“…In Mediterranean-type climates, asynchronicity between energy and water availability means that ecosystems rely heavily on the water-storing capacity of the…”
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