Introduction Carding mill Valley has a v shape valley and meanders. We are going to be to be taking measurements of velocity and discharge along the upper course‚ middle course‚ and lower course. The Bradshaw Model: The Bradshaw model is important to this controlled assessment because the Bradshaw Model is a geographical model which describes how a river’s characteristics vary between the upper course and lower course of a river. This coursework is underpinned through some key processes/concepts
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Tables 1 and 3 shows the measurements of the 10-meter stretch of Bear Creek that includes a pool and a riffle. The first table also shows the recorded time and weather in which our class collected the data during that particular day. The upper‚ middle‚ and lower transects are measured using meters. Each of the transects are first measured by width and then by depth on the: Left edge‚ mid-stream‚ and right edge. Then there is description on the substate and the site on both the upper and middle
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As geologists‚ we examine layers of sediment on the Earth’s surface to approximate the dates of past geologic time periods. Ah sediment as you know is material like sand‚ gravel‚ fossil fragments that is transported by natural processes like wind ‚ water flow or the movement of glaciers. So sediment is transported and then deposited and it forms layers on the Earth’s surface over time. We examine these layers to learn about different geologic time periods including when they began and ended. For
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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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The Ocean Ranger The Ocean Ranger was an offshore exploration oil drilling platform that sank in Canadian waters 315 kilometres southeast from St. John’s Newfoundland‚ on the Grand Banks of Newfoundland on February 15‚ 1982‚ with 84 crewmembers onboard. The Ocean Ranger was the largest semi-submersible‚ offshore exploration‚ oil drilling platform of the day. Built in 1976 by Japan’s Mitsubishi Heavy Industries‚ it operated off the coasts of Alaska‚ New Jersey‚ Ireland‚ and in November 1980 moved
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In the upper course of a river gradients are steep and river channels are narrow. Vertical erosion is greatest in the upper course of a river. As the result of this typical features include steep valley sides‚ interlocking spurs‚ rapids‚ gorges and waterfalls. When a river runs over alternating layers of hard and soft rock‚ rapids and waterfalls may form. Waterfalls commonly form where water rushes down steep hillsides in upland areas and quickly erodes the rocks. The height and number of waterfalls
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Everything on Earth cannot stay the same‚ except for the amount of mass on the planet. Even Earth itself changes. Throughout history‚ our planet’s land structures have changed drastically. Hills were formed and terrain was flattened. All of this was because of erosion. Erosion is the process of Earth being weathered down. The word “erosion” originates from the Latin word‚ “erosionem” which means “gnawing away.” Erosion is when forces of nature “gnaw away” at the Earth and cause the ground to move
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I am writing today to discuss the issue of coastal erosion and the proposed solution of beach nourishment. Coastal erosion has several causes‚ the most prominent being the breaking of waves against the coastline. While seemingly harmless‚ over time waves break away at the shoreline‚ leading to its reduction. Beaches are the one thing that protect coastal structures from such damage. They act as a line of defense for everything they surround‚ and are necessary for communities to thrive along the coast
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Human Impacts on those processes at Cronulla beach: What evidence do you see of human impact on erosion? Humans are also impacting erosion by: the many recreational activities along the beach (e.g. horse riding and four-wheel driving places on large dune areas.)‚ the rising population of Cronulla’s population and the doubled amount of people visiting the Cronulla Coast during the holidays. These factors place pressure upon the infrastructure and coastal environment‚ which can make large dune
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General Study Guide: Test 1 Garrison 8th Edition Go over all powerpoint slides and concepts discussed. Chapter 1 Origins 1. Ages: Universe‚ Earth‚ Ocean 2. Scientific method 3. Big Bang Theory – universe is expanding - two major sources of evidence 4. Hubble’s Law 5. What is a light year and why do we use it to measure distance in the universe? 6. What are 3 major processes that formed the solar system and planets? 7. What is most abundant element in solar nebulae? 8. What are
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