GEOLOGY 100, PROJECT 6 (Due Week 7) Prior to answering the following questions make sure you read these chapters in your “Physical Geology, 2nd ed.” online textbook: Chapter 16 (Glaciation), Chapter 17 (Shorelines), and Chapter 19 (Climate Change). You are also expected to use outside sources from my course Webliography (Content tab), and Internet research. Answer the following questions in APA-style paragraph form and use proper APA citations. Graphics may be used to support your answers, but make sure you cite your source below the graphic. 1) Visit the website for the National Snow and Ice Data Center and then answer the following questions: a) What is the “cryosphere”? What is the origin of “cryos”? Where is most of the “cryosphere” concentrated? Where is the greatest amount of ice on Earth located? Define and differentiate the following cryosphere components and give a geologic location example of each (you may include photos or images): • • • • • • • snow glacial ice alpine glaciers (valley or mountain glaciers) continental ice sheets (ice caps) icebergs polar sea ice (fresh or salty?) permafrost 2) How do glaciers form and move? At present, what is the status of most of the world’s ice (advancing, retreating, or stable)? Why? What are the global consequences of major ice changes? Why are glaciers the best forms of evidence for climate change? What are the most important research tools for scientists to monitor and measure glacial ice changes in both the past and present time? 3) Define and describe the following glacial geological features. How were each formed by glaciers? Give a geologic location example of each (you may include photos or images). • • • • • • arête horn cirque U-shaped valley (glacial trough) fjord moraine 4) Discuss the topic of “shoreline or coastal geology”. What are the major geologic forces that form coastlines? (a) Name and describe three (3) coastal geological features and how they formed (you may include photos or images). 5) What are the major causes of global climate change? What is the relationship between global sea level change and glacial ice? – how do they interrelate, and are both related to global climate change? What are the consequences and hazards of rising global sea level? RjS Revised 11/11/20
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