Question.2111 - Mass wasting and erosional forces are covered this week. For the discussion, please explore and view these supplemental resources then compose your initial post. Brief Landslide animationLinks to an external site. Here is an historic event analysis, mass wasting example with clay soil: Norway, town of Rissa in 1978 (about 21 minutes) More about Quick Clay (about 55 minutes), 2021 talk by Dr. Mike Long at ICRAG (references Dec. 2020 slide)--This also discusses Peat slides (second half of video) After completing these activities, develop your initial post. This should be at least a cohesive paragraph. Include a summary, in your own words, summarize the processes of change that involve mass wasting due to gravity and/or erosional forces Include three things that you found interesting and why Share something you already knew and how you knew it. Grading Criteria: Initial Post: This is worth up to 25 of the 40 points You should Compose at least one cohesive paragraph Strive for proper sentence structure and grammar Strive for proper spelling Review material thoroughly Strive to address all questions posed and more Avoid texting shorthand Interactive Posts: These are worth up to 5 points each (max of 15 points may be earned) for substantive discussion posts. The expectation is to reply to one another and add to the discussion on several days each week. Discussions with contributions on only one day may not receive full credit even for quality posts. Being active on several days builds a learning community. These are posts made in response to classmates/teacher Strive for proper sentence structure and grammar Strive for proper spelling Strive to be academic in nature (these may be conversational, but not just small chat or one word replies) IMPORTANT NOTES ABOUT Discussion Board Posts: You do not need the textbook to complete this assignment. You are provided with the prompts and resources to complete this assignment. This assignment is worth 40 points (25 points for the Initial Post and 15 points for 3 responses). Your Initial Post should be made by midweek (by day 4 of your week, based on day of class) so that it ensures that there are posts for your classmates to start their responses. The 3 responses are due by the due date and may be made through the discussion close date, if different from the due date. You must respond three times, credit may be reduced for responses all completed in one day. As this is a Discussion Board and the expectations is to have a “conversation” with your classmates, late interactivity submissions will not be accepted. Late main post for partial credit can be submitted to the faculty member vis the Inbox or comments tool in the gradebook for that discussion grade (submission comments area).
Answer Below:
Mass wasting and erosional forces are two of the most important natural processes influencing the Earth's surface. Gravity is the primary mechanism of mass destruction. Gravity always causes huge rocks, mud, and other objects to tumble down slopes. In contrast, erosion agents include water, wind, and ice, which continuously erode the land surface over time. The two processes typically occur concurrently because erosive factors can either accelerate or halt mass loss. Similarly, water can saturate rock and dirt, making them heavier and less frictional. This increases the likelihood of extreme events, such as landslides. Also, erosion can reduce slope stability, making mass movements more inclined. The material provided covers three specific aspects of these operations. The first section graphically depicts a historical incident of mass wasting in 1978 in Rissa, Norway, and the catastrophic potential of mass wasting, particularly in locations where the soil is clay-based and the quick clay phenomenon is widespread. This tragedy highlights the need to thoroughly understand the area's geological processes and take appropriate precautions to avoid damage. Furthermore, Dr. Long's lecture on quick slides in clay and peat demonstrates that nature is highly complex and unpredictable. He emphasises that seemingly stable zones frequently experience severe and dangerous mass-wasting phenomena. Discussing the topic underscores the need for more significant research and regular monitoring to lessen the risk of such incidents. The final but not most minor component of the animation is the landslip, which visually depicts mass wasting, making it easier to understand and explain. As a geology student, I was already familiar with mass wasting and erosional stresses. On the other hand, the sources I examined for this discussion provided me with a further understanding of these complex geological processes and their impact on my daily life. However, I am most knowledgeable about particular locations, such as Rissa, Norway, that are prone to natural calamities. This research has shed light on the critical function of mass movement and exhumation forces in creating the Earth's surface and human societies. PRs PR 1 The way you described mass wasting and erosional pressures was obvious and helpful. You performed an excellent job of presenting the complex processes involving gravity and erosion through their interaction. The fact that you broadened your research knowledge, particularly the historical incident in Rissa, Norway, strengthened your post and demonstrated the extent of the harm that mass wasting might inflict in a vulnerable location. Furthermore, you identified three fascinating points from the sources, demonstrating a thorough awareness of the issue's real-world implications. In addition, your description of what you already understood demonstrated your understanding of geology. In general, your argument was well-organized and fascinating, and it added much to the debate on erosion and mass-wasting processes. PR 2 Your initial task was very well written, and it helped me understand the issue. I appreciate how you described each operation, showing how they interacted and what effect they had on one another. The essay analysis has provided me with extra relevant information, including the most crucial details concerning the Rissa, Norway occurrence and the complexity of Dr Mike Long's quick clay and peat slides. Another thing is that you included the three most essential points from the sources in your paper, demonstrating that you grasped the issue and what it was about. Your perspective on the subject may have shifted after reflecting on what you previously knew about geology. Your writing was entertaining and intriguing, contributing to the debate over mass waste and weathering. PR 3 Your initial post on erosional forces and mass waste was excellent and instructive. The simple explanation of the procedures involved in this process was quite helpful, making the entire notion plain and understandable. In the previous reading, I examined the offered resources, including the historical instance from Rissa, Norway, and Dr Mike Long's lecture on quick clay and peat slides. I isolated the concept and applied it to real-world scenarios. Furthermore, your selection of three significant elements of the material and discussion of their significance demonstrate your genuine interest in the subject. Furthermore, your prior knowledge of geology further proves that you thoroughly comprehend the subject, and your post is highly credible. Your contribution to the discussion of mass wasting and erosional forces was quite beneficial and valuable.
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