Debris flows
GEOMORPHIC STUDY OF DEBRIS FLOWS ON THE RUSSELL DUNE (MARS) : COMPARISON OF DEBRIS FLOWS AND PRESENT FLOWS ACTIVITY
... individual debris flows, there is no visible lateral deposit bordering Present flow, maybe due to too low image ...Present flows could be due to our method of ...these flows are certainly ...
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Calibration of numerical models for small debris flows in Yosemite Valley, California, USA
... Modelling debris flows Many relations or flow laws have been proposed in literature to describe the flow and the runout distance of debris ...
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Geomorphic Variations of Debris Flows and Recent Climatic Change in the French Alps
... slope debris flows in the French Alps. 4. Triggering Factors in Debris Flow Occurrence It is well known that two conditions are needed for debris flow to be triggered (Caine, 1980; Johnson and ...
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Evolution of polygenic debris flows on a sand dune (Russell crater, Mars)
... Past debris flows activity A total of about 300 long and narrow gullies are observed on the western SW flank of the Russell megadune over a total area of 20 km ...involve flows with a significant ...
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Impact assessment of debris flows on structures using discrete numerical modelling
... Iverson, R.M. 1997. The physics of debris flows, Reviews of Geophysics, 35, 245-296. Manville, V., Major, J. J. & Fagents, S.A. 2013. Chapter 14: Modeling lahar behavior and hazards, in: Fagents, S. A., ...
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Risques naturels et accessibilité territoriale : le cas des debris flows dans les Alpes
... Les debris flows (coulées de débris ou laves torrentielles dans les Alpes) sont des écoulements hyper-concentrés affectant les versants à des vitesses allant de quelques km/h à quelques dizaines de ...
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Direct observations of a three million cubic meter rock-slope collapse with almost immediate initiation of ensuing debris flows
... Quantitative studies (e.g. Hungr and Evans, 2004; Mangeney et al., 2007, Crosta et al. 2009, Aaron et al., 2019) suggest that entrainment of saturated sediments along the rock avalanche run-out path can enhance the rock ...
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Direct observations of a three million cubic meter rock-slope collapse with almost immediate initiation of ensuing debris flows
... 15 Table S2: Seismic velocity model used for the inversion of the rock avalanche’s force history. Assessment of Quality and 355[r] ...
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Proportional loss functions for debris flow events
... major debris flow events that had oc- curred in the Swiss Alps during the late 1980s and early ...4 debris flows with to- tal volumes ranging from 10 000 to 75 000 m 3 ...the debris flow ...
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A debris-flow monitoring devices and methods bibliography
... The comparative analyses of the data in Tables 1 and 2 shows practical use availability of many devices and methods in spite of qualitative comparison. Table 1 shows a number of devices and methods available to warn ...
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Tracking complex targets for space rendezvous and debris removal applications
... space debris The active removal of heavy space debris (typically larger than 1000kg) has been identified as a key development to control the growth in the debris population and to limit the risk for ...
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Does the Debris Disk around HD 32297 Contain Cometary Grains?
... The true SB of an edge-on debris disk a distance r away from the star is computed as follows: SBtrue r = SBmeasured r × PSF convolution correction ×aperture size correction × reduction b[r] ...
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On dense granular flows
... Still, the flows of these dry granular materials are not easy to describe. They are usually divided in three classes depending on the flow velocity. First a quasi-static regime where grain inertia is negligible. ...
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Understanding Habitability and Characterizing ExoEarths: The Role of Debris Disks
... of Debris Disks Aki Roberge (NASA GSFC), Christine Chen (STScI), Philip Hinz (U of Arizona), Alycia Weinberger (Carnegie DTM), William Danchi (NASA GSFC), R`emi Soummer (STScI), Rafael Millan-Gabet (Caltech), ...
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Modeling & control of a space robot for active debris removal
... by the NASA scientist J.C. Liou through [ 3 ], at least 5 massive objects, like dead satellites or rocket upper stages, need to be de-orbit each year to reverse the current trend and stabilize the debris popu- ...
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The physical oceanography of the transport of floating marine debris
... plastic debris floating on the ocean surface is a major environmental ...plastic debris is transported from coastal and marine sources is crucial to quantify and close the global inventory of marine ...
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Nonlocal Curvature Flows
... Capacity flows: Given 1 < p < N , consider the generalized perimeter that coincides with the p-capacity in R N on bounded sets of class C 2 ...type flows studied in [13, 14, 15] (see also [11, ...
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Assessment of debris mitigation systems for tidal and river turbines
... larger debris sizes. In 1 m/s and 2 m/s flows, some small, medium and large sized debris pieces slipped below the nose/apex of the A-frame and became snagged on the mooring ...deflecting ...
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Molecular-Scale Understanding of the Embrittlement in Polyethylene Ocean Debris
... DSC, differential scanning calorimetry; FWHM, Full Width at Half Maximum; LAM, Longitudinal acoustic mode (Raman spectroscopy); linC, linear crystallinity; LTD, Lamellar Thickness Dist[r] ...
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APOCENTER GLOW IN ECCENTRIC DEBRIS DISKS: IMPLICATIONS FOR FOMALHAUT AND
... unimportant in our work here on gravitationally bound particles in a steady-state disk, since any effects of azimuthal variations in their production rate should smear out within an orbit Figure 1. Linear number density ...
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