(Solution) 14.1 Why Doesn't Greenland Glacier Quite Make It To The Sea Along Most Of Its Coast? | Snapessays.com


(Solution) 14.1 Why doesn't Greenland glacier quite make it to the sea along most of its coast?


14.1 Why doesn’t Greenland glacier quite make it to the sea along most of its coast? Hint: Think in terms of the why and how of temperature distribution.14.2 In what part of the glacier (as seen in this map view) did the ice flow fastest between 1874 and 1882?14.3 What was this fastest rate of flow – expressed in meters per year?14.4 What was the rate at which the glacier’s toe retreated (through melting/evaporation) between 1818 and 1882 – expressed in meters per year?14.5 Name the five land masses, A through E, shown in Figure 14.4. Hint: These five land masses are shown in greater detail in Figure 8.2 on page 134.14.6 The development of a hanging valley and associated waterfall is shown in Figure 14.6 in three stages. Try to verbalize what appears to have occurred during glaciation that explains the landscape after glaciation?14.7 Name the four Alpine glacial features labeled A, B, C, and D on the Google image in Figure 14.7. Choices: A small hanging valley, as in wet weather waterfall; an arête; a horn; and a U-shaped valley.14.8 (A) Are rocks that comprise the rocks in Figure 14.7 sedimentary, or are they plutonic igneous? Hint: Sedimentary rocks are typically layered, whereas plutonic igneous rocks are not.14.9 (A) On page 263 of the Answer Page draw (A) a topographic profile across the valet between coordinates E.5-2.5 and G-5.5; and, (B) a topographic profile across the valley between coordinates B.1-8.2 and E.3-8.6. (C) Which valley is more reflective of glacial erosion? (D) What is your evidence? Hint: Study the shape of the several glaciated valleys in Figure 14.5 on page 252.14.10 For the Logan Pass quadrangle, list the map coordinates of each of the following four glacial erosional features:(A) horn(B) arête( C ) hanging valley with waterfall(D) cirque with prominent tarn14.11 Refer to the satellite photo in Figure 14.12 (page 257). On Answer Page 264 draw a profile along line A-B, and, referring to Figures 14.10 and 14.11, label your profile with the terms Cascade Canyon, Jenny Lake, terminal moraine, and outwash plain.14.12 What is the term for the stair-step topography (consisting of a few ‘steps’ along the Snake River) that is apparent on the photo in Figure 14.12? Hint: Similar ‘stair-steps’ occur along the Shoshone River in Figure 11.27 on page 206.14.13 Undersea mapping has revealed what appears to be bodies of continental glacial deposits on the continental shelf offshore of New England similar to those in Figure 14.13B. What could possibly explain this curious occurrence of continental glacial deposits now well beneath the Atlantic? Hint: From whence comes the water that goes to make glacial ice?14.14 On page 264 of the Answer Page make a sketch map of the are shown in the photograph of Figure 14.15, roughly delineating ground moraine and outwash plain. Label ground moraine, outwash plain, and one or more kettle holes.14.15 Why does a rise in sea level accompany the global melting of continental glaciers?14.16 What do you suppose is the origin of the lakes on Mount Desert Island? Hint: Being mindful of the shape and orientation of these lakes, look again at glacial ice flow (arrows) in Figure 14.13A on page 258.14.17 It appears possible that bulbous Somes Sound could have been scooped out by a southward moving glacier. But how about that part of the estuary extending from Somes Sound to the sea? Describe its shaped and interpret is origin. Hint: Notice the dynamic feature in Figure 14.14A on page 259.

 


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This question was answered on: May 23, 2022

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