View Lecture 5 - Landslides and Snow Avalanches.pdf from GEOG 1350 at University of Guelph. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. See our Privacy Policy and User Agreement for details. Worldwide, landslides occur and cause The severity of damage depends on the affected population's resilience. The term "landslide" encompasses five modes of slope movement: falls, topples, slides, spreads, and flows. These are further subdivided by the type of What is a Landslide? Landslides in the United States cause approximately $3.5 billion (year 2001 dollars) in dam-age, and kill between 25 and 50 people annually. Quick Fun Facts On Mudslides: * Did you know that the deadliest mudslide occured in Vargas, Venezvela in 1999, killing about 30,000 to 50,000 people! Important factors considered to be responsible for causing landslides … Policy 3.11 of the CBJ Comprehensive Plan states: "It is the policy of the CBJ to minimize the threat to human safety and development posed by landslides and avalanches." landslides. Landslide - Landslide - Landslide mitigation and prevention: Landslides pose a recurrent hazard to human life and livelihood in most parts of the world, especially in some regions that have experienced rapid population and economic growth. report. Ppt landslides mudflows and avalanches In Landslides, Analysis and Control. 11-33. These landslides resulted in the death of over 32,322 people. Creative Commons "Sharealike" Reviews. According to a survey study by the International Landslide Centre at Durham University, UK, 2,620 fatal landslides occurred between 2004 and 2010. Think about past avalanches and landslides that have occurred like the 1903 Frank landslide and avalanche that happened at the same time, in Alberta Canada it destroyed the parks canyons it’s beautiful trees’ it’s wonderful sights and killed nearly one hundred people, and covered a small town near Alberta with ice and snow. You can change your ad preferences anytime. Slope movement types and processes. Origins of Disasters, Natural Origins of Disasters (2) 3. Infestations Epidemics − Yellow fever − Cholera − Meningitis 5. CHAPTER 9 SLOPE PROCESSES, LANDSLIDES, AND SUBSIDENCE La Conchita ‘slide January 10, 2005 Triggered by heavy rainfall, reactivation along an older landslide surface (35,000 years ago, 6000 years ago, and 1995) Potential solution: relocate people and better land use regulation R.L. report. Figure 5. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. The term landslide or, less frequently, landslip refers to several forms of mass wasting that may include a wide range of ground movements, such as rockfalls, deep-seated slope failures, mudflows, and debris flows. Winner of the Standing Ovation Award for “Best PowerPoint Templates” from Presentations Magazine. Quick response teams (QRT) from local administration and NDRF, with standard Avalanche equipment and devices like GPS, Radio Beacons, shovels and sniffer dogs. Landslides involve the movement of a large mass of earth down a slope and they can be caused by various factors including poor soil structure, rainfall, drought, erosion, and seismic activities (earthquakes). Guidelines on the Management of Landslides and Snow Avalanches 139 Contact Us 144 Table of ConTenTs. Casualties in the United States are primar-ily caused by rockfalls, rock slides, and debris flows. Rock avalanches and landslides, rock falls and slope slips are all contained in the concept of mass movements. Lecture 5 - Landslides and Snow Avalanches Friday, October 6, 2017 Landslides … Introduction - Heavy rains saturate the Portland, Oregon area. COMPLEX ROCK AVALANCHE EARTH SLUMP-EARTHFLOW Ref. 1 -By Ameya Singh VIII D 2. See Module Preview for initial information and a Powerpoint Presentation. WHO/EHA/EHTP Draft 1-1999 1.11.5. Landslide, the movement downslope of a mass of rock, debris, earth, or soil. Special Report 176, Transportation Research Board, Washington, pp. Hazards include the impact of rapidly moving debris, the collapse of ground beneath a structure and secondary effects such as river damming and landslide-generated waves. This extreme landslide compilation features some crazy landslides and avalanches caught on camera around the world. explains causes and effects of avalanche - a natural disaster. 4.5. ainekel. Unformatted text preview: Landslides Learning Objectives Understand slope processes and the different types of landslides Know the forces that act on slopes and how they affect slope stability Know which geographic regions in North America are at risk from landslides Know the effects of landslides and their links with other hazardous natural processes Learning Objectives, cont. Schuster, U.S. Geological Survey Introduction Landslide and other ground failures cause substantial damage … We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Clipping is a handy way to collect important slides you want to go back to later. Landslides are a type of "mass wasting," which denotes any down-slope movement of soil and rock under the direct influence of gravity. Natural Disaster and its Types •A natural disaster is a major adverse event resulting from natural processes of the Earth Avalanche Thunderstorms Tornados Earthquakes Tsunami Hurricanes Landslides Volcanoes 2 "(1) Development in all landslide and avalanche areas shall minimize the risk of loss of life or property due to landslides and avalanches." Karny. Presentation on natural disaster - avalanche 1. The highest-risk areas are often concentrated along the river valleys or steep valley walls, which host most of the settlements in the Mt. Landslide is a complex geohazard, with devastating impacts on sustainable socio-economic development, in mountainous terrains. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. PPTX, PDF, TXT or read online from Scribd, Harper Lee's To Kill a Mockingbird 50th Anniversary Celebration, The Return of the King: Book Three in the Lord of the Rings Trilogy, The 5 Love Languages: The Secret to Love that Lasts, The Subtle Art of Not Giving a F*ck: A Counterintuitive Approach to Living a Good Life, When They Call You a Terrorist: A Black Lives Matter Memoir, Leadership Strategy and Tactics: Field Manual, 0% found this document useful, Mark this document as useful, 0% found this document not useful, Mark this document as not useful, Save Landslides, Mudflows and Avalanches For Later. Prevention of Landslides Landslides are among the many natural disasters causing massive destructions and loss of lives across the globe. Looks like you’ve clipped this slide to already. Already done: − Landslides and avalanches . Landslides in India are considered a major hazard in most hilly and mountains regions as well as in steep river banks and coastlines. Landslides and avalanches are among the major hydro-geological hazards that affect large parts of India besides the Himalayas, the Northeastern hill ranges, the Western Ghats, the Nilgiris, the Eastern Ghats and the Vindhyans, in that order, covering about 15 % of the landmass. Landslides are major natural disaster which frequently occur in Central Himalayan Region (CHR) and affect life of human as well as animals, damage agriculture and impedes progress. Varnes Classification Landslide velocity scale (Cruden and Varnes, 1996). The information presented here is an introduction to the landslide process, a presentation of the different types of landslides, and an introduction on how landslides can be mitigated and managed as a hazard. Landslide Types and Processes David J. Varnes3 It is the purpose of this chapter to re-view the whole range of earth move-ments that may properly be regarded as landslides and to classify these move-ments according to factors that have some bearing on prevention or … Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. CHAPTER 9 SLOPE PROCESSES, LANDSLIDES, AND SUBSIDENCE La Conchita slide January 10, 2005 Triggered by heavy rainfall, reactivation along an older landslide surface ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 3c2044-ZmMzZ Velocity class Description Velocity (mm/sec) Typical But by adopting certain precautionary measures impact can be minimized. Technically, an avalanche is any amount of snow sliding down a mountainside. 3. ppt, 569.5 KB. * Did you know that mudslides have occured in all 50 states within theus? No public clipboards found for this slide, Presentation on natural disaster - avalanche. LANDSLIDES, SLOPE FAILURE, AND OTHER MASS WASTING PROCESSES By Anni Watkins and Scott Hughes: Reading assignment: Chapter 6, p. 131-160; Keller. : Varnes, D.J., 1978. Northern Pakistan is one of the most landslide prone regions, which can be attributed to the rugged topography, active seismicity, monsoon rains and anthropogenic activities on unstable slopes (Hewitt, 1998, Derbyshire et al., 2001, Kamp et … 5. marion502. The steep hillslopes are susceptible to hazardous erosion, landslides, and avalanches and present a risk for people and property in the Khumbu region. Today in Washington, D.C., members of the USGS Landslides Program and interagency partners from around the country briefed congressional staff members and key stakeholders in a series of presentations called, “Gravity Never Sleeps: Landslide Risk Across the Country.” The presentations provided information on landslide causes and impacts, current and ongoing research, and 5 years ago. Sometimes a large mass of snow with ice and rock slides down from a mountain which may damage the hill roads. If you continue browsing the site, you agree to the use of cookies on this website. A powerpoint presentation on avalanches with links to youtube clips and activities for pupils to complete. Relationship between landslide deposit area A L as a measure of deposit spreading and landslide deposit volume V L as a measure of size for long-runout landslides throughout the world (n=271 rock avalanches; n=72 volcanic debris avalanches). See our User Agreement and Privacy Policy. It can be compared to a landslide, only with snow instead of earth. Tectonics and tellurics − Earthquakes − Volcanic eruptions 4. 1. Landslides and avalanches These mass movements of soil, rock or snow occur in all parts of the country, in mountains and flatlands, and usually without warning. * Did you know mudslides also, occur when water rapidly Control of Avalanches. The ever more intensive usage of … Landslides, Mudflows and Avalanches - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Landslides occur when gravitational and other types of shear stresses within a slope exceed the shear strength (resistance to shearing) of the materials that form the slope. A landslide is defined as the movement of a mass of rock, debris, or earth down a slope. Now customize the name of a clipboard to store your clips. 3 years ago. If you continue browsing the site, you agree to the use of cookies on this website. NDMA guidelines on Landslides and Snow Avalanches The main objectives of the NDMA guidelines are to institutionalise the landslide hazard mitigation efforts, to make society aware of the various aspects of landslide hazard in the country and to prepare the society to take suitable action to reduce both risks and costs associated with this hazard. 4 years ago. The figure Another common term for avalanche is … 4. On some sections, special structures called galleries are constructed to reduce the impact of loads or avalanches. The causes of landslides in India are not much different from the world, but there are some peculiarities. Avalanches occur in mountainous regions with a thick snow cover while a landslide occurs in sloppy places with loose and muddy soil. 4. Use explosives to create smaller, controlled avalanches and thus avoid building up of snow for large unpredictable destructive avalanches. ~180 words. Introduction.

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