Module 11 Running Water Lab_Quiz_ (Fall 2023) GOL 105 (E80A) - Physical Geology

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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 1/38 Module 11 Running Water Lab/Quiz Due 29 Nov at 23:59 Points 60 Questions 28 Time limit None Allowed attempts 3 Instructions Module 11 Running Water Lab Purpose The purpose of completing this Module 11 Running Water Lab assignment is to reinforce the concepts presented in this Module. Directions All the topographic maps used in the exercise are also gathered together in this GigaPan image (Links to an external site.) (https://viewer.gigamacro.com/view/mcmmbwGWMQrI7E88?x1=12401.50&y1=-2132.00&res1=18.16&rot1=0.00) . We recommend using the GigaPan image to answer all the lab questions, since in a few cases specific areas of the maps are highlighted/outlined in black boxes. Always remember that when you adjust the magnification of a GigaPan map, you are also altering the horizontal scale bar! If for some reason the GigaPan map collection is giving you trouble, then you may go to the individual PDFs of the USGS topo maps linked below. The lab assignment contains references to these individual topographic maps East Brownsville, Texas (https://learn.vccs.edu/courses/561793/files/147274169/download?wrap=1) (https://learn.vccs.edu/courses/561793/files/147274169/download?download_frd=1) Paw Paw, West Virginia (https://learn.vccs.edu/courses/561793/files/147274181/download?wrap=1) (https://learn.vccs.edu/courses/561793/files/147274181/download?download_frd=1) Waldron, Arkansas (https://learn.vccs.edu/courses/561793/files/147274151/download?wrap=1) (https://learn.vccs.edu/courses/561793/files/147274151/download?download_frd=1) Red Leaf, Arkansas (https://learn.vccs.edu/courses/561793/files/147274156/download?wrap=1) (https://learn.vccs.edu/courses/561793/files/147274156/download?download_frd=1)
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 2/38 Lake Scott, Kansas (https://learn.vccs.edu/courses/561793/files/147274176/download?wrap=1) (https://learn.vccs.edu/courses/561793/files/147274176/download?download_frd=1) Ennis, Montana (https://learn.vccs.edu/courses/561793/files/147274187/download?wrap=1) (https://learn.vccs.edu/courses/561793/files/147274187/download?download_frd=1) , and adjacent Fan Mountain, Montana (https://learn.vccs.edu/courses/561793/files/147274414/download?wrap=1) (https://learn.vccs.edu/courses/561793/files/147274414/download?download_frd=1) Note: two different contour intervals exist on these two related maps Finally, this comparison image will be useful for answering questions about what stage of river landscape evolution you are observing on the maps: Complete the activity, entering your answers using the Module 11 Running Water Lab link. There is no time limit. You have up to three attempts to complete the assignment, but you must complete the entire assignment and submit it each time. The highest grade will be recorded in Grades.
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 3/38 * Some questions not yet graded Attempt history Attempt Time Score KEPT Attempt 2 6 minutes 52 out of 60 * LATEST Attempt 2 6 minutes 52 out of 60 * Attempt 1 27 minutes 48 out of 60 * Answers will be shown after your last attempt Score for this attempt: 52 out of 60 * Submitted 28 Nov at 12:23 This attempt took 6 minutes. Grading Your assignment will be graded according to how many answers you get correct on the lab. There are 60 possible points, including two short "essay" questions and many multiple choice or fill-in-the-blank questions. Take the quiz again 2 / 2 pts Question 1 Map of East Brownsville, TX: What stage of fluvial landscape development is shown on this map?
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 4/38 youth maturity old age rejuvenation 2 / 2 pts Question 2 Map of East Brownsville, TX: Why does the USA-Mexico boundary ( i.e. , the Rio Grande river) frequently change posi±on? Because the river meanders from side to side. Because politicians redraw the border frequently. Because the river avulses (changes its position) from one braided channel to another. Because the oxbow lakes migrate closer and closer to the main river channel over time. 2 / 2 pts Question 3
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 5/38 Map of East Brownsville, TX: Would this interna±onal boundary be more, or less stable (in terms of its physical posi±on on the landscape), if base level was to drop? Less stable. Base level drop would lead to increased meandering. Less stable. Base level drop would flood the entire region. More stable. Base level drop would lead to an increase in oxbow lakes in the region. More stable. Base level drop would cause the river to incise, locking it in place on the landscape. 2 / 2 pts Question 4 Map of Paw Paw, WV (+MD): What channel type is shown here? straight meandering sinuous braided
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 6/38 2 / 2 pts Question 5 Map of Paw Paw, WV (+MD): What stage of fluvial landscape development is shown on this map? youth maturity old age rejuvenation 2 / 2 pts Question 6 Map of Paw Paw, WV (+MD): Why are there no oxbow lakes associated with the meanders developed here? (Hint: note the magnitude of the eleva±on contours) Weird; an old age river system it should have oxbows... I don't get it. The rejuvenation has incised the river, "entrenching" the meanders into bedrock. They are no longer moving side to side over time. This river is too young to have yet developed any oxbows. This isn't a natural river pattern, but a human-constructed river channel shape.
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 7/38 2 / 2 pts Question 7 Map of Waldron, AR: The rings of bedrock in this region are composed of alterna±ng layers of mudstone and quartz-rich sandstone. Which one makes up the ridges (not the valleys)? mudstone quartz-rich sandstone granite schist 2 / 2 pts Question 8 Map of Waldron, AR: The rings of bedrock in this region are composed of alterna±ng layers of mudstone and quartz-rich sandstone. Which one makes up the valleys (not the ridges)? mudstone quartz-rich sandstone
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 8/38 granite schist 2 / 2 pts Question 9 Map of Waldron, AR: Focus in on the northeast corner of the map. Locate Cedar Creek. In which direction is Cedar Creek flowing? North to South South to North West to East East to West 2 / 2 pts Question 10 Map of Red Leaf, AR: What is the specific name given to lakes such as Lake Chicot?
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 9/38 Oxbow Lake 2 / 2 pts Question 11 Map of Red Leaf, AR: The Mississippi River is flowing north to south in this map’s area. In what lateral direc±on is the posi±on of the Mississippi River presently tending to migrate (meander) in the vicinity of this map (choose east, or west, not “downstream”)? east west downstream 2 / 2 pts Question 12 Map of Lake Sco², KS: What type of regional stream drainage pa²ern is shown here? Dendritic Rectangular
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 10/38 Radial Trellis 2 / 2 pts Question 13 Map of Lake Sco², KS: What stage of fluvial landscape development is shown on this map? youth maturity old age rejuvenation 2 / 2 pts Question 14 Map of Lake Sco², KS: If you were to hang glide from the edge of the cliffs at Suicide Bluffs down to Lake Sco², how many feet of eleva±on would you drop before you got wet?
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 11/38 100 130 140 150 180 1030 15 miles 2 / 2 pts Question 15 This map is contoured in feet. The contour interval is __________ feet.
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 12/38 0
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 13/38 5 10 20 25 100 2 / 2 pts Question 16 The elevation of point X is __________ feet.
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 14/38 100
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 15/38 140 180 220 240 260 280 300 2 / 2 pts Question 17 The elevation of point B is __________ feet.
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 16/38 100
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 17/38 140 180 220 240 260 280 300 2 / 2 pts Question 18 The elevation of point A is __________ feet.
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 18/38 100
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 19/38 140 180 220 240 260 280 300 2 / 2 pts Question 19 The distance from point A to point B is __________ mile(s).
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 20/38 0.5
11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 21/38 1 1.5 2 2.5 10 2 / 2 pts Question 20 The gradient from point A to point B is __________ feet per mile.
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 22/38 40
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 23/38 60 80 100 120 140 2 / 2 pts Question 21 Trout Run flows (drains downhill) in what direction?
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 24/38 north
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 25/38 east south west 2 / 2 pts Question 22 Which of the following shows the correct outline of the Trout Run watershed (drainage basin), with the black line tracing out the divide that separates Trout Run from other drainage basins?
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 26/38 This one:
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 27/38 This one:
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 28/38 This one:
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 29/38 This one:
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 30/38 This one:
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 31/38 This one:
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 32/38 Not yet graded / 4 pts Question 23 Imagine that drums of oil were emptied (illegally) at location “X”. Is it likely that the oil would wash downhill into Trout Run? Explain your reasoning.
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 33/38 Your answer:
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 34/38 No, it is not likely that the oil would flow into Trout Run because of the rocky terrain around point X 2 / 2 pts Question 24 Map of Cedar Creek Alluvial Fan, Montana: Cedar Creek alluvial fan is made of alluvium, sediment that has been transported by running water. What is the source for sediments on Cedar Creek Alluvial Fan? (Where did that sediment ul±mately come from?) Sediment fairies who wave their magic wands to make sediment. The mountains to the east of Cedar Creek alluvial fan (green "Beaverhead National Forest" area) The river generates its own sediment from river water. The mantle. 2 / 2 pts Question 25 Map of Fan Mountain Quadrangle, Montana: Calculate the stream gradient of the main stream found in the forested, mountainous upland area shown on the eastern side of this map (highlighted by the black box).
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 35/38 Remember to follow the river’s particular path in stream gradient calculations! Also note that the contour interval on the eastern portion of the composite map is 40 ft. about 1542-1557 feet per mile about 645-660 feet per mile about 265-285 feet per mile about 38-53 feet per mile 2 / 2 pts Question 26 Map of Ennis Quadrangle, Montana: Calculate the stream gradient of one of the distributaries on the alluvial fan itself in the central portion of this map (highlighted by the black box). Remember to follow the river’s particular path in stream gradient calculations! Also note that the contour interval on the central portion of the composite map is 20 ft. about 1324-1332 feet per mile about 624-632 feet per mile about 222-230 feet per mile about 24-32 feet per mile
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 36/38 2 / 2 pts Question 27 Map of Ennis Quadrangle, Montana: Calculate the stream gradient of the Madison River found in the northwestern portion of this map (highlighted by the black box). Remember to follow the river’s particular path in stream gradient calculations! Also note that the contour interval on this portion of the composite map is again 20 ft. about 38-53 feet per mile about 100-120 feet per mile about 600-620 feet per mile about 1325-1345 feet per mile Not yet graded / 4 pts Question 28 Map of Cedar Creek Alluvial Fan, Montana: Relate these three numbers (your answers to the previous three questions) to the landscape you observe in the maps. In other words, tell a story of how a river’s gradient changes from its headwaters, going downstream
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 37/38 Your answer: This is a narrative about the alteration in the slope of a river as it flows downstream, which is determined by three computed values: i) The mainstream slope in the wooded mountainous highland area is around 265-285 feet per mile. The river's gradient is rather severe, indicating it is running through a highly rocky terrain. ii) The slope of the distributary on the alluvial fan is approximately 222-230 feet per mile. This gradient is characterized by a more gradual slope, indicating that the river traverses a less dramatic terrain. iii) The Madison River has a stream gradient of around 100-120 feet per mile. The river's gradient is relatively gradual, indicating that it runs over a predominantly level terrain. As a river progresses downstream, it accumulates additional water and debris. This augments the river's mass and velocity, facilitating its erosion of the terrain more efficiently. Consequently, the river's slope lowers as it moves in the direction of its downstream. The three stream gradients calculated demonstrate this pattern. The primary watercourse in the wooded mountainous highland region has the most pronounced incline due to its passage over highly uneven terrain. The distributary on the alluvial fan has a less steep slope due to its passage through a less rugged terrain. The Madison River has the most gradual slope due to its passage across a predominantly level terrain. The phenomenon of a river's gradient altering as it flows downstream is seen in the topography of the Ennis Quadrangle, located in Montana. Dense forests, elevated mountains, and challenging terrain with steep inclines and profound ravines characterize the topography of the upland region. The alluvial fan exhibits a less pronounced topography characterized by gradual inclines and shallow depressions. The topography of the Madison River valley is predominantly flat, with minimal variation in elevation. Therefore, the estimated stream gradients accurately measure the alterations in the terrain as the river progresses downstream. The topography alterations result from the river's erosive force, which intensifies as the river accumulates additional water and silt.
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11/28/23, 12:24 PM Module 11 Running Water Lab/Quiz: (Fall 2023) GOL 105 (E80A) - Physical Geology https://learn.vccs.edu/courses/561793/quizzes/4264046 38/38 Quiz score: 52 out of 60
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