Quiz-6

docx

School

University of Minnesota-Twin Cities *

*We aren’t endorsed by this school

Course

3301

Subject

Geography

Date

Oct 30, 2023

Type

docx

Pages

Uploaded by alswjddl777

Question 1 Correct Grade 1.0 out of 1.0 Flag question Question text What is meant by the term, "Great Lakes Basin"? Select one: a. The region of land that drains back to the Great Lakes, or the Great Lakes watershed. b. The volume of the Great Lakes. c. The term refers to the size of an area if all the Great Lakes water were spread over the land. d. The footprint of the Great Lakes, themselves. Feedback Your answer is correct. "Basin", in this case, is another word for "watershed". The correct answer is: The region of land that drains back to the Great Lakes, or the Great Lakes watershed. Question 2 Correct Grade 1.0 out of 1.0 Flag question Question text

When Colorado River withdrawals were first allocated among the river basin’s seven states in 1922 the river held 17.5 million acre-feet (5.7 trillion gallons) of water per year. However today we know that there is substantially less water available than that because they measured the river flow during a wet time period. Select one: True False Feedback The correct answer is 'True'. Question 3 Correct Grade 1.0 out of 1.0 Flag question Question text Lake Erie was cleaned up substantially by the year 2000 since many efforts were made to reduce phosphorus from industrial pipe outlets and to eliminate it from many laundry detergents and soaps. However by the mid-2000s the algae blooms were coming back even more severely then they were in the late 1960s and 1970s. What is the main source of phosphorus draining into Lake Erie in the present day? Select one: a. wastewater effluent b. power plant cooling water c. irrigation canals d. agricultural runoff and drainage Feedback Your answer is correct. The correct answer is: agricultural runoff and drainage

Question 4 Correct Grade 1.0 out of 1.0 Flag question Question text The Colorado River delta near the Mexican border runs dry as it empties into the Gulf of California. The delta used to support a lush ecosystem prior to water diversions from the Colorado that deplete the river to almost no flow most years. Which of the following is a goal of the restoration efforts in the Colorado River delta. Select one: a. To remove the Morales Dam near the Mexican border to restore the flow b. To stabilize stream banks c. To release water so support regrowth of riparian vegetation d. To support salmon habitat in the lower river Feedback Your answer is correct. The correct answer is: To release water so support regrowth of riparian vegetation Question 5 Correct Grade 1.0 out of 1.0 Flag question Question text Dams provide benefits to humans such as flood control or hydro-power. However they often have negative impacts on the environment as well. Which of the following is not one of the negative impacts of dams on river ecosystems?

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

Select one: a. changes the timing of flow patterns that can impact stream life b. accumulates sediment behind the dam c. increases the streamflow downstream of the dam d. blocks fish passage Feedback Your answer is correct. The correct answer is: increases the streamflow downstream of the dam Question 6 Correct Grade 1.0 out of 1.0 Flag question Question text Who uses the most water from the Great Lakes when hydroelectric power is included? Select one: a. Ontario b. New York c. British Columbia d. California e. Wisconsin f. Minnesota Feedback Your answer is correct. For the complete picture, see the pie charts that are posted in the required reading. The correct answer is: Ontario

Question 7 Correct Grade 1.0 out of 1.0 Flag question Question text Some water conservation and more sustainable water management approaches are described for "Green Water" near the end of the presentation. Which of the following were included in that list? Select one or more: a. transferring water via canals from water rich to water scarce areas b. use of crops that use less water (have a lower crop coefficient) c. building larger reservoirs to hold water for irrigation d. drip irrigation to reduce water loss Feedback Your answer is correct. The correct answers are: use of crops that use less water (have a lower crop coefficient), drip irrigation to reduce water loss Question 8 Correct Grade 1.0 out of 1.0 Flag question Question text

Soil erosion is described as a major problem for water and agricultural sustainability. Which of the following is not one of the major problems caused by excess erosion rates? Select one: a. degrades water quality b. sediment deposited on floodplains increases fertility c. erosion from fields reduces farmland fertility d. damages in-stream fish habitat Feedback Your answer is correct. The correct answer is: sediment deposited on floodplains increases fertility Question 9 Correct Grade 1.0 out of 1.0 Flag question Question text Frequently the Colorado River is completely dry by the time it reaches the ocean at the Gulf of California in Mexico. The primary cause of this problem is withdrawal of water for power plant cooling. Select one: True False Feedback The correct answer is 'False'. Question 10 Correct

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

Grade 1.0 out of 1.0 Flag question Question text Stream flow supports a variety of functions in rivers, a concept shown graphically on the Environmental Flows slide. Which are functions provided at higher flow levels? check all that apply Select one or more: a. flood storage b. base flow c. sediment movement or transport d. fish habitat support Feedback Your answer is correct. The correct answers are: flood storage, fish habitat support, sediment movement or transport Question 11 Correct Grade 1.0 out of 1.0 Flag question Question text Stream flow supports a variety of functions in rivers, a concept shown graphically on the Environmental Flows slide. Which are functions provided at higher flow levels? check all that apply

Select one or more: a. flood storage b. base flow c. sediment movement or transport d. fish habitat support Feedback Your answer is correct. The correct answers are: flood storage, fish habitat support, sediment movement or transport Question 12 Partially correct Grade 0.5 out of 1.0 Flag question Question text It is mentioned that water-management in the world tends to be blue-water dominated. In practice this means that which of the following types of solutions are typically favored in traditional water resources engineering? Select one or more: a. focus on construction of reservoirs for surface water storage b. construction of canals to transfer water from water-rich areas to areas in need of water c. use of crops that utilize less water to reduce water use d. developing policies to support food sources that have a smaller water footprint Feedback Your answer is partially correct. You have correctly selected 1. The correct answers are: focus on construction of reservoirs for surface water storage, construction of canals to transfer water from water-rich areas to areas in need of water

Question 13 Correct Grade 1.0 out of 1.0 Flag question Question text In 2014 which major U.S. city had to close it's water supply for 2 days, forcing 100,000s of people to use bottled water until the toxic algae bloom subsided? Select one: a. Cleveland b. Toledo c. Chicago d. Milwaukee Feedback Your answer is correct. The correct answer is: Toledo Question 14 Correct Grade 1.0 out of 1.0 Flag question Question text The Ogallala Aquifer is a large groundwater supply that is being greatly drawn down in the Great Plains region of the U.S. What is the main cause of aquifer depletion? Select one:

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

a. watering lawns b. irrigation for agriculture c. to supply bottled water to city dwellers d. power plant cooling Feedback Your answer is correct. The correct answer is: irrigation for agriculture Question 15 Correct Grade 1.0 out of 1.0 Flag question Question text The Colorado River delta near the Mexican border runs dry as it empties into the Gulf of California. The delta used to support a lush ecosystem prior to water diversions from the Colorado that deplete the river to almost no flow most years. Which of the following is a goal of the restoration efforts in the Colorado River delta. Select one: a. To stabilize stream banks b. To release water so support regrowth of riparian vegetation c. To support salmon habitat in the lower river d. To remove the Morales Dam near the Mexican border to restore the flow Feedback Your answer is correct. The correct answer is: To release water so support regrowth of riparian vegetation Question 16

Correct Grade 1.0 out of 1.0 Flag question Question text In our textbook, the concept of Green Water vs. Blue Water is one of the underlying principles. What is meant by "green water" Select one: a. water that is produced in an environmentally friendly way b. water colored green by algae blooms c. water that is used by plants or evaporated d. water that infiltrates into the ground Feedback Your answer is correct. The correct answer is: water that is used by plants or evaporated Question 17 Correct Grade 1.0 out of 1.0 Flag question Question text Who is the second largest water user from the Great Lakes, when hydroelectric power is excluded? Select one: a. Minnesota b. Ontario

c. Wisconsin d. Michigan e. New York f. California Feedback Your answer is correct. For the complete picture, see the pie charts that are posted in the required reading. The correct answer is: Michigan Question 18 Correct Grade 1.0 out of 1.0 Flag question Question text Some strategies are mentioned for improving water quality in urban areas by installing management practices that reduce water velocity, filter runoff and improve infiltration. Which of the following urban management practices were described in the lecture? Check all that apply . Select one or more: a. rain gardens b. permeable pavers c. drainage ditches d. drip irrigation Feedback Your answer is correct. The correct answers are: permeable pavers, rain gardens

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version