2 edition of Landslides in colluvium found in the catalog.
Landslides in colluvium
Robert W. Fleming
by U.S. G.P.O., Available from Open File Reports, U.S. Geological Survey in Washington, D.C, Denver
Written in English
Includes bibliographical references.
|Statement||by Robert W. Fleming and Arvid M. Johnson.|
|Series||U.S. Geological Survey bulletin ;, 2059, Landslides of the Cincinnati, Ohio, area ;, B|
|Contributions||Johnson, Arvid M.|
|LC Classifications||QE75 .B9 no. 2059-B, QE599.U5 .B9 no. 2059-B|
|The Physical Object|
|Pagination||iv, 24 p. :|
|Number of Pages||24|
|LC Control Number||93015779|
Below the colluvium, the sandstone has abundant open fractures and colluvium-ﬁlled fractures that widen up-ward; one of these fractures has a distinct normal offset. At a depth of 35 ft ( m), the polished and striated basal rupture surface of the landslide has a relatively thin, to in. ( to cm) thick, clay gouge. The term landslide or less frequently, landslip, refers to several forms of mass wasting that include a wide range of ground movements, such as rockfalls, deep-seated slope failures, mudflows, and debris ides occur in a variety of environments, characterized by either steep or gentle slope gradients, from mountain ranges to coastal cliffs or even underwater, in which case they are.
The high landslide risk potential along the steep hillslopes of the Eastern Andes in Ecuador provides challenges for hazard mitigation, especially in areas with hydropower dams and reservoirs. The objective of this study was to characterize, understand, and quantify the mechanisms driving the motions of the Guarumales landslide. This km2 deep-seated, slow-moving landslide is actively. The occurrence of debris flows during the September northern Colorado floods took the emergency management community by surprise. The September debris flows in the Colorado Front Range initiated from shallow landslides in colluvium. Most occurred on south- and east-facing slopes on the walls of steep canyons in crystalline rocks and on.
Landslide Damming in the Cordillera of Western Canada. Major landslide dams in the Cordillera are a result of rock slope movements, landslides in stratified Pleistocene deposits, and landslides in till or colluvium in steep mountain watersheds. These landslide dams show contrasting behaviour. Landslide dams formed by rock avalanches within the Coast Plutonic Complex impound significant volumes. Landslides and Avalanches. Landslides and avalanches are the most dramatic, sudden, and dangerous examples of earth materials moved by gravity. Landslides are sudden falls of rock, whereas avalanches are sudden falls of snow. When large amounts of rock suddenly break loose from a cliff or mountainside, they move quickly and with tremendous force (Figure below).
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OCLC Number: Notes: "The behavior of colluvial landslides is strongly affected by differenes in thickness." One folded map in pocket, Plate 1: Profiles of trenches and map of landslide features, borings, and trenches in the Delhi Pike study area near Cincinnati, Ohio, .
Landslides in Colluvium: The Behavior of Colluvial Landslides Is Strongly Affected by Differences in Thickness (U.S. Geological Survey Bulletin) [Fleming, Robert W., Johnson, Arvid M.] on *FREE* shipping on qualifying offers.
Landslides in Colluvium: The Behavior of Colluvial Landslides Is Strongly Affected by Differences in Thickness (U.S. Geological Survey Bulletin)Author: Robert W. Fleming, Arvid M.
Johnson. landslides in colluvium throughout the Cincinnati metropol itan area. The area has been the focus of several detailed studies reported in other chapters in this bulletin.
The pur pose of this chapter is to describe the physical setting and movement styles of the landslides and, thus, to provide a Cited by: 9. Colluvium-filled bedrock hollows are the cause of many shallow earth landslides in steep mountainous terrain. They can form as a U or a V shaped trough as local bedrock variations reveal areas in the bedrock which are more prone to weathering than other locations on the slope.
SCIENTIFIC REPORTS O srep 1 entificreports Colluvium supply in humid regions limits the frequency of storm-triggered landslides Robert N. Parker 1, Tristram C. Hales1, Simon M.
Mudd2, Stuart W. Grieve2 & José A. Constantine1 Shallow landslides, triggered by extreme rainfall, are a significant hazard in mountainous landscapes. Shallow landslides mainly involve a homogeneous superficial cover and they concentrate in correspondence both of the colluvium of type A (Pizzolo area) and of type B.
Soil strength parameters (cohesion, residual and effective friction angle) were measured in laboratory (direct shear tests and Kanji method) for regions 1a and 1b. Shallow colluvium landslides in North Carolina. (Left) Photographs of the Peeks Creek Landslides in colluvium book, triggered by intense precipitation during Hurricane Ivan (photos courtesy of Rick Wooten.
The storm-induced landslides of the study area are very similar to the soil slips studied by Campbell () in the Santa Monica Mountains of southern California that were triggered by heavy rainfall events (– cm/h or – in./h).
Campbell () noted that soil slips, or shallow translational slides, differ from deep-seated rotational slides in terms of pore-pressure development. colluvium is a poorly sorted mixture of angular rock fragments and fine-grained materials. t hese deposits are usually thinnest near the crest and thickest near the toe of each slope.
c ostaand b aker () reported estimates that colluvium covers more than 95 percent of the ground surface in humid temperate regions. d eere and p atton (). A case study of a large-scale colluvial landslide is described in this paper. This instability initiated in December in the Southwestern region of China and affected construction schedule and safety of Xiaowan project, which was the first large dam in Lantsang River.
Geological investigation and deformation monitoring were carried out with severe safety and stabilization design. This chapter discusses slope instability in colluvium, with examples of landslides that have occurred on colluvial slopes and discussion of characteristics affecting slope stability, including geomorphic factors, hydrology, vegetation, fire, and seismicity, followed by a discussion of slope instability in tallus.
Get this from a library. Landslides in colluvium: landslides of the Cincinnati, Ohio, area. [Robert W Fleming; Arvid M Johnson; Geological Survey (U.S.),]. The landslide colluvium and sediment from the gullying that reaches the steep low-order channels is later remobilized during high rainfall events, which causes debris flows to sweep the landslide colluvium from low-order to higher-order river channels (Costa and Wieczorek ; Selby ; Van Asch and Van Steijn ).
Two large landslides in overconsolidated glacio-lacustrine clay and silt deposits of British Columbia river valleys have been examined: the Attachie landslide, Peace River and the Slesse Park landslide, Chilliwack River. Both cases are quite similar in their main aspects. However, their failure behaviour was markedly different.
One exhibited intermittent ductile deformations typical of. For example, rotational landslides exhibit features in the DEM and accompanying map layers that are discernible to the trained eye, such as a steepened head scarp, hummocky topography, and a well-defined toe bulge.
Figure 5 illustrates how these landslide features appear in a LiDAR-based DEM. Figure 5. In Novembera serious event of the landslide resulted in destroying about a m section of main road following heavy rain in the preceding week. The landslide continually occurs in a huge mass of colluvium deposit accumulated in a catchment of the Meeriyagaha stream over geological time.
Local road closed by small- to medium-sized landslides involving road fill over colluvium. Stop 3—Interstate Route 79 ~ mi north of Ohio River. Exposures of common local stratigraphy (includinginfamous Pittsburgh red beds) often involved in landslides, small masses of slumped bedrock, and a valleystress relief bedding plane shear zone.
From introduction: This report describes the Delhi Pike area, which is an area of landsliding we believe to be representative of landslides in colluvium throughout the Cincinnati metropolitan area.
The area has been the focus of several detailed studies reported in other chapters in this bulletin. The purpose of the report is to describe the physical setting and movement styles of the Cited by: 9. 1. Introduction  The temporal evolution of regolith and colluvial deposits in hollows is the result of nonlinear dynamics [Minasny and McBratney, ] involving several hydrological, geomorphological, and climatologic steep, soil mantled landscapes, landslides triggered by heavy rain remove colluvium, whereas transport of soil from the adjacent slopes (by means of soil.
landslides along the Ohio River and its tributaries near Cincinnati, Ohio, we began to realize that in some landslides destabilizing pore water pressure is artesian, whereas in others it is hydrostatic.
We selected two study areas, one in glacial deposits and another in colluvium, for detailed. Landslides in partially saturated colluvium on Seattle, WA, hillslopes have resulted in property damage and human casualties.
We developed statistical models of colluvium and shallow‐groundwater dist. The major landslide events that occurred in Chittagong City in and have caused the death of about people and incurred a considerable amount of property loss.
At least ten landslide events occurred during the period of –, with mainly rainfall as the triggering factor. The critical rainfall condition of the landslide events was analyzed with Gumbel’s extreme value.Thick colluvium was found around the landslide area and indicated the occurrence of a large ancient landslide.
The Hungtsaiping area involves at least two large landslides events, an ancient.