PPT-Dynamics of sand dunes

stabilization Or What can nonlinear dynamics tell us about ecology Shai Kinast The Negev Physics Fete March 15 2013 Sand dunes A patternforming system Morocco Namibia Kasuy wadi. processes. . pertain to the activity of the winds and more specifically, to the winds' ability to shape the surface of the Earth and other planets. Wind-carved alcove in the Navajo Sandstone near Moab, Utah.. FlipTask. Your task is to learn the basics of succession and its key terminology BEFORE our lesson on it.. You may take whatever notes you need from the videos/. powerpoint. to bring in to lesson.. HINT: . DEPARTMENT : . GEOGRAPHY. CLASS : B.A/B.SC PART 1(HONS). GUEST FACULTY : PRIYANKA SANPUI. Landscapes Shaped by Wind. Wind Erosion. Wind does not erode like water but it is still an important factor in erosion. . Wind does the most erosional work in deserts. . Wind erodes in 2 ways: deflation and abrasion.. By: SOMMER NYSSE DANYELLE TAYLOR & TALIYAH. Major claim. Maintainig. an ecosystem’s natural vegetation is necessary for preventing erosion.. Meaning of the claim. You have to take care of the grass dune or erosion will damage the sand dunes. Wind erosion & Deposition. What is wind?. Wind the horizontal flow of air.. It . is caused by. . horizontal differences in pressure which result from the unequal heating of Earth’s surface. http://www.classzone.com/books/earth_science/terc/content/visualizations/es1903/es1903page01.cfm?chapter_no=visualization. Dune Formation. How are they formed?. Working in small groups, try to work out how the sand dunes shown in the picture developed?. TV Clip: BBC Learning Zone. Sand dune formation and movement - the Dune of . Managing for multiple values. Produce timber and other forest products. Provide outdoor recreation. Protect watersheds. q . Perpetuate rare and distinctive species of native flora and fauna. . Minnesota State Forest Management Principles:. . Tree (Timber) Management in the . . Sand Dunes State Forest . What we’ll cover:. . Why cut trees?. Forest (Timber) Management . . in the Sand Dunes. . Recent and upcoming forest management. of. Egyptian Sand Dunes . Nabil S . Embabi. Professor of Desert Geomorphology. Department of Geography. Faculty of Arts, . Ain. Shams University. Cairo, Egypt. E-mail: nabilsayedembabi@gmail.com . Deserts & Winds: Fluvial and Eolian Processes in Arid Zones Why Do Deserts Exist? Desert – any spot on Earth that receives less than 25 cm (10 in) rain per year Semi-desert – 25-50 cm (10-20 in) www.des.nh.gov/coastal . Building Back theSand DunesSanddunesarenaturallyoccurringdynamiccoastalfeatures which are formed by the accumulation ofwind blown sand. When sand dunes are damaged fromstormsorhumanactivitytheyrepaire exas General Land OfficeGgorgg P. Buuh, Commissioner VERNON