important that it’s protection from coastal processes and flooding should be continued‚ because if its protection is stopped Borth will suffer the effects of coastal erosion and frequent flooding‚ which will damage the tourism industry in the area as shops and attractions will be damaged in floods or swept out into the sea by coastal erosion‚ which would be very detrimental as tourism is one of the main industries in the area and many of the local people rely on tourism as their income. Some of the physical
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it covers 520 million hectares Hennig (2004). In Africa 28 trees are cut-down down with‚ only one tree being replanted. An important issue concerning the environment will be critically analyzed by showing the end result of deforestation and soil erosion. Deforestation Occurs when earths’ forests on a massive scale often resulting in damage to the quality of land. A contributing factor that has resulted into deforestation has agriculture as the driving force. According to UNFCCC (2014) secretariat
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problem as the number of people rise. With the larger numbers of people on the planet today that are still on the upswing has brought on a huge problem with deforestation. Have no fear‚ although these things along with natural elements causing erosion of our land‚ there are things that can be done to help slow the effects of overcultivation‚ overgrazing‚ and deforestation and correct these issues which in turn will help save our land for future generations to come. Overgrazing is when farmers
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of the erosion that occurs in the upper course is vertical and as the river bed is eroded lower the valley becomes steeper. The river is narrow with a shallow channel. As discharge is calculated by measuring the cross sectional area of the channel multiplied by the velocity‚ the discharge is small. The river is mainly slow flowing as most of its energy is used overcoming the friction of the large angular bedload. The bedload is large and angular as it hasn’t been subjected too much erosion. Any changes
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Running Water • Most important geologic agent in eroding‚ transporting and depositing sediments • Nearly every landscape shows erosion or deposition • Stream- a body of running water confined to a channel that runs downhill under the influence of gravity 1. Headwater- Upper part of stream near its source in the mountains 2. Mouth- A place where a stream enters sea‚ lake or larger stream 3. Channel- A long narrow depression eroded by a stream into rock or sediment • Streambeds- bottom of
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pools so it has greater energy and more erosive power. Energy is lost as the river flows over a riffle because of friction. These cause the river’s flow to become uneven and maximum flow to be concentrated on one side of the river‚ causing lateral erosion on one side‚ creating an outer concave bank. Deposition takes place on the other side of the bend‚ creating a convex bank. The cross-section of a meander is asymmetrical. The outer bank forms a river cliff or a bluff with a deep pool close to the
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waves approach an irregular coastline Hydraulic Action - An erosion process - where air becomes trapped and compressed in a joint / crack in a rock by a breaking wave‚ gradually breaking rock apart. Abrasion - An erosion process where cliffs are worn away by rocks and boulders thrown against them by the waves Solution - An erosion process where acids in the sea water gradually dissolve minerals in rocks. Wave Pounding - An erosion process where the shear force of the waves constantly hitting
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A) be rugged and of great relief as a result of uplift in the absence of weathering and erosion. B) consist of high mountains and hills with smooth‚ gentle slopes. C) be of very low relief as a result of weathering and erosion in the absence of uplift. Answer: C 5) Which of the following is not exogenic in nature? A) weathering B) erosion C) denudation D) batholith formation E) mass wasting
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A waterfall is a feature of erosion found in the youth stage of a river. Waterfalls are found in areas with bands of hard and soft rock (otherwise known as resistant and less resistant rocks). The hard rock takes longer to erode than the soft rock (differential erosion) so the river erodes the land at different rates. The river erodes the soft rock by the main processes of erosion including Hydraulic Action (the force and power of the moving river) and Abrasion (the scraping of the load against
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(viii) Forest-fires (ix) Acid rain (x) Development projects and housing projects. Effects of Deforestation: The ill-effects of deforestation are summarized below: (i) Soil erosion: Soil is exposed to wind‚ sunlight‚ and evaporation due to deforestation. Soil fertility goes down due to soil erosion and rapid leaching of essential mineral nutrients. (ii) Harm to fisheries: As the soil is eroded‚ it accelerates siltation in dams‚ rivers‚ and the coastal zone. The increased sedimentation
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