Deserts Glaciers And Climate Essay

999 words - 4 pages

Axia CollegeOctober 18, 2009The earth is consisting of two biomes or landscapes in the atmosphere. These two are knownas the dessert landscape and the glacial landscape. Many individuals think of sand, dust heat andvery dry land when desert is mentioned globally, but in reality, a dessert can be either weatherdepending on the amount of moisture that reaches it. Desert landscape has a huge coverage overthe earth's surface. Desert landscape areas is defined that it is a simple area with 50 centimetersless than the normal areas per year in rainfall activity. Specialized character is vegetation andanimals. The desert landscape soil needs water to produce but not in so much length for growingfood or other crops. Few large mammals can be found in this area and because of size, waterstorage is not sufficient because of the extreme heating temperatures. Desert landscapes havefour major characters that includes semi-arid, hot and dry, cold and coastal (Johnson, 2000).When it comes to the glacial landscapes unlike the desert landscapes has its own moisture asthe moisture is trapped in the ice that is form by glaciers. The largest reservoirs on the earthsurface are by glaciers. Glaciers covers polar ice caps and if an individual should travel or visitany mountain range in most of the continents glaciers can be found within those areas. There ismany different types of glacier landscapes, but depends on the altitude of ice flow. Such asthe desert landscape there are considerable amount of mammals that lives within the glaciallandscape areas. One biome on earth that forms a teaming activity with the glacier landscape areais the alpine, which teams with life up close in the glacial area. Not forgetting about animalsplants that survives in the glacial area, they are common but altitudes temperature seem to be adependability where the glacial area is concern, according to Knight, 2005.Dunes are not in broad research regarding how dunes begins, but in definition dunes isdescribe as sand deposits by winds. One typical dune is the asymmetric which has a gentlewindward slope. The windward slope is the side that is facing the wind directly. With force fromthe wind, the sand then moves up the slope windwardly, to the top , then the sand would thenmoves down the slope in a leeward form which ,is the slip face. Identifying the slip face on theleeward side, one can always tell the direction the wind is going. One the side that is slidingdown the slip face reaches the angle of repost, the sand then is rested. The angle of reposedepends on size and the angle of the object or particulars for them to stay there.Over the past two million years, many ice ages has occurred. From the past to the presentclimate has been changing and it seem to be in a more rapid process than the past Information forthe past climates arrived from many sources and according to Murck, skinner and Mackenzie(2008) Visualizing geology textbook, "the evidence of past temperature fluctuations...

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