PPT-Glaciers Formation Snow accumulation

More winter snowfall than summer melt Glacier formation is similar to sedimentary rock formation Types of Glaciers Valley glaciers or alpine glaciation Ice sheets or continental glaciation Glaciers of the world. . Retrieval. . of. . Accumulation. Rates on . the. . Ice. Sheets . Using. SAR . Wolfgang Dierking. &. Stefanie . Linow. . Alfred . Wegener . Institute Helmholtz-Center . for. Polar- . January 21, 2011. . Glaciers act as agents of erosion and deposition to help to create unique landforms which you will study in this unit. Glacier. : A large mass of ice resting on land or floating as an ice shelf in the sea adjacent to land. Fire . region, Oregon Cascades. Tyler Roses. Why are snow studies important?. Snow is an important part of the hydrological cycle. In regions like the Pacific Northwest more than 50% of annual precipitation in mountainous regions comes in the form of snow. Erosive forces . Glacier. persistent . body of dense ice that is constantly moving under its own . weight.. It . forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many . Section 1: Glaciers – Moving Ice. Section 2: Glacial Erosion and Deposition. Section 3: Ice Ages. Section 1: Glaciers – Moving Ice. . N. atural . forces compact snow to make a large mass of moving ice called a . Prairie School. Earth Science. Glaciers: Moving Ice. When you take a handful of snow and squeeze it, you are creating a product that is similar to that of glaciers. . Glacier: fast moving, large mass of ice. . The Global Cryosphere. what are we learning?. What and where the cryosphere is.. How glaciers and ice sheets form and move.. Feedbacks between the cryosphere, atmosphere, and oceans.. Relevance for people.. Glacier Movement. Deposits by Glaciers. The Ice Age. Glaciers and Global Warming. Glacial Rebound . …………………. Snow. Line. …………………... Glaciers form in areas covered by snow, where more snow falls than melts each year.. Agent . of . weathering, erosion, and deposition . – acquire, transport and deposit sediment. Occupy ~10% of land area. “Interrupts” hydrologic cycle by “locking up” water. Glacier. GLACIERS. Section. for . glaciers. , . snow. and . ice. Norwegian. Water Resources and Energy . Directorate. . lma@nve.no. Glaciers in Norway . are. . changing. . too. ~1900: . Library. . of. . congress. Glacier. persistent . body of dense ice that is constantly moving under its own . weight.. It . forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many . years.. 4-Seppanen . October 24. th. , 2017. Photo courtesy of Alaska.gov. How Glaciers are Formed. Glaciers are formed with snow that doesn’t melt. When snow builds up on itself the snow will build up weight and will compress and turn into ice.. An Inquiry into “Snowball Earth”. Chris . Rackauckas. Advisor: Jim . Walsh. What is the nature of this glaciation?. Did the glaciers reach the equator or simply stop near the equator?. VS. Snowball Earth. Use has been made of existing manuals for mass balance measurements and. glossaries presenting definitions (Ostrem and Brugman, 1991; Kaser et al., 2003;. Cogley et al., 2011).. Descriptions in chapter are also based on more recent publications (reports, .