Proglacial Aeolian Landsystems

Supraglacial debris or morainic, glacilacustrine and glacifluvial sediments may be rich in silt and fine-grained sand. Aeolian processes easily deflate the fine-grained material within these deposits and complex suites of glacioaeolian landforms are present within many valley glacial environments (Derbyshire and Owen, 1996). Patterns of sediment transport are strongly influenced by local wind systems, including katabatic, anabatic and fohn winds. In some regions such as the Himalaya in northern Pakistan and Tibet, thick deposits of loess are present, although these are frequently subjected to colluviation (Owen et al., 1995; Lehmkuhl, 1997; Rose et al., 1998).

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Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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