SCIN 138 Week 6 Quiz

SCIN 138 Week 6 Quiz | Assignment Help | american-public-university-system

Week 6 Quiz

Question 1 of 35

Map 5.1, located on page 9 (98) of the lab manual, and is a portion of a topographic map from Royal Gorge, Colorado, courtesy of the USGS. Study the map and answer the questions below. What type of stream drainage pattern is present on this map? This may be easier to determine by examining the tributaries to the main stream. (To answer this question correctly, use the online map and zoom in to get a broader view of the area.)

 

  A. dendritic

  B. Trellis

  C. radial

  D. rectangular

 

 

Question 2 of 35

Based on the drainage pattern type shown in Map 5.1, located on page 9 (98) of the lab manual, does the bedrock underlying this area consist of rocks uniformly resistant to erosion or rocks alternating between resistant and non-resistant layers?

 

  A. uniformly resistant bedrock

  B. alternately resistant and non-resistant bedrock

 

 

Question 3 of 35

Looking at Map 5.1, located on page 9 (98) of the lab manual, are the rocks most likely tilted and folded or horizontal?

 

 

  A. tilted and folded

  B. horizontal

Question 4 of 35

Are streams in this area downcutting or laterally eroding?

 

  A. downcutting

  B. laterally eroding

 

 

Question 5 of 35

Looking at Map 5.1, located on page 9 (98) of the lab manual, in which stage of the cycle of stream erosion is this area? 


 

 

  A. old age

  B. mature

  C. youthful

 

 

Question 6 of 35

Observe the stream on the Omaha N, Nebraska-Iowa quadrangle. In which stage of the cycle of stream erosion is this area? 


 

 

 

 

 

 

 

  A. old age

  B. mature

  C. youthful

There is a well developed floodplain, including an oxbow lake.

 

 

Question 7 of 35

Compare the contour intervals from the Royal Gorge, Colorado map (map 5.1) to the Omaha N, Nebraska-Iowa map. Would you expect the gradient of the Missouri River in Nebraska to be greater or less than the gradient that you calculated for the Grape River in Colorado? (To answer this question, zoom into the online map to get a better view.)

 

  

A. less than the Grape River gradient

  B. greater than the Grape River gradient 


 

 

Question 8 of 35

 

Locate the state boundary between Nebraska and Iowa along the Missouri River. Why does the boundary depart from the river channel?

 

  A. when the boundary was created, Iowans wanted the Carter Lake area in their state

  B. the boundary follows the course of the river at the time that it was drawn

  C. the river has since moved

  D. Both A and B

  E. Both B and C

  F. none of the above

 

 

 

Question 9 of 35

What is the term for the geologic feature called Carter Lake?

 

  A. entrenched meander

  B. oxbow lake

  C. cutbank

  D. point bar

 

 

Question 10 of 35

Use the flood data from Exercise 5.6 (pages 102-103) to answer the following questions. On which date did a flood event have a recurrence interval of 0.5?

 

  A. 2/27/2013

  B. 10/13/2009

  C. 3/10/2011

  D. 4/20/2015

 

 

Question 11 of 35

Using the flood data from Exercise 5.6 (pages 102-103), which of the following dated flood events would you expect to happen more often?

 

  A. 8/27/2008

  B. 2/24/2013

  C. 2/6/2010

  D. 12/23/2013

Question 12 of 35

Answer the following questions from Exercise 5.8 on page 107. Which gas station is the most likely source of the gasoline leak? (Review topographic maps in your text.. First write the elevations on the monitoring wells. To get an idea of where the contour intervals are, connect the 2 wells with the same elevations. Remember that contour lines are usually evenly spaced. Water always flows downhill and perpendicular to contour lines. Which gas station is upgradient from the contaminated well?)

 

  A. Station A

  B. Station B

  C. Station C

 

 

Question 13 of 35

Is the school likely to be at risk of contamination from this same leak? (To get an idea of where the contour intervals are, connect the 2 wells with the same elevations. Remember that contour lines are usually evenly spaced. Water always flows downhill and perpendicular to contour lines. Is the school upgradient or downgradient from the leaking gas station?)

 

 

  A. Yes

  B. No

 

Question 14 of 35

Is the church likely to be at risk of contamination from this same leak? (To get an idea of where the contour intervals are, connect the 2 wells with the same elevations. Remember that contour lines are usually evenly spaced. Water always flows downhill and perpendicular to contour lines. Is the church upgradient or downgradient from the leaking gas station?)

 

  A. Yes

  B. No

 

 

Question 15 of 35

 

Use the Mammoth Cave, Kentucky map (Map 5.4 located at the end of this chapter) to answer the following questions. Locate Little Sinking Creek in the southern portion of the map, north of Hwy. 68 and south of the Edmonson County Line. In which general direction does it flow? (Use the online map in the eBook chapter to get a better view of the map, and so that you can zoom in and out, to answer the following questions. Recall that water flows from higher to lower elevation. Zoom in - which contour intervals does the creek cross?

 

  A. south

  B. north

  C. southeast

  D. northwest

 

Question 16 of 35

Follow the creek along its path. Where does it wind up?

 

  A. Along Hwy. 68

  B. It disappears underground

 

 

 

Question 17 of 35

 

Find Sloans Crossing. It is south of Mammoth Cave and west of the New Entrance to Mammoth Cave. What is the benchmark elevation at Sloans Crossing? (Use the online map from the eBook chapter and zoom in for a closer look.)

 

  A. 600’

  B. 630’

  C. 800’

  D. 834’

 

Question 18 of 35

Now look farther south of Sloans Crossing at Hwy. 31W. Look closely at the topography south of highway, and it changes abruptly. What feature(s) can you observe south of Hwy. 31? 


 

  A. sinkholes

  B. disappearing streams

  C. generally lower land surface elevations

  D. all of the above

 

 

 

 

Question 19 of 35

Keeping the abrupt topography change in mind, which of the following is true?

(Hint- on a topographic map depressions, and thus, sinkholes, are indicated by concentric circles. A heavy contour line with hatch marks pointing to the inside of the circle indicate that the elevation is decreasing from the contour interval with the hatch marks.)

 

  A. In the northern portion of the map, the area is underlain by limestone

  B. In the southern portion of the map, the area is underlain by limestone

 

 

 

 

 

 

Question 20 of 35

Look on the Mammoth Cave, KY map, locate the Louisville and Nashville Railroad line just south of Hwy. 31. Would this be an easy location to maintain a railroad?

 

 

  A. Yes

  B. No

 

 

Question 21 of 35

Use this image to answer the following questions.

How would one describe this river?

 

  A. Straight

  B. Meandering

  C.Low sinuosity

  D. Braided

 

Question 22 of 35

 

In this stream pictured in Question #22, erosion is occurring on the ______________ because _______________, while deposition is occurring on the _____________________ because ______________________.

 

  A. point bars; the fastest velocity water flows to this point; cut banks; the slowest velocity water flows to this point

  B. point bars; the slowest velocity water flows to this point; cut banks; the fastest velocity water flows to this point

  C. cut banks; the fastest velocity water flows to this point; point bars; the slowest velocity water flows to this point

  D. cut banks; the slowest velocity water flows to this point; point bars; the fastest velocity water flows to this point

 

Question 23 of 35

Part E, page 110: The questions that follow use Google Earth. For each question (or set of questions) paste the location that is given into the “Search” box. Examine each location at multiple eye altitudes and differing amounts of tilt. For any measurements that use the ruler tool, this can be accessed by clicking on the ruler icon above the image.

 

Search for 63 55 55.23N 17 01 07.14W and zoom out to an eye altitude of 10,000 feet.

How would one describe this river? (Review the descriptions of stream type on page 94.)

 

  A. Straight

  B. Meandering

  C. Low sinuosity

  D. Braided

 

 

 

Question 24 of 35

What factors control the course of this river?

 

  A. Steep gradient and high discharge

  B. Low gradient and low discharge

  C. Low gradient and abundant sediment supply

  D. Steep gradient and low sediment supply

 

 

 

 

Question 25 of 35

Use this image to answer the following questions:

The river in this area has a rather particular pattern, what geologic process caused this?

 

  A. 
 a meander eroded through its bank and created an oxbow lake

  B. the river is in a karst terrain and disappeared into the ground


  C. the river is following patterns, likely faults, in the underlying bedrock


  D. during a flood the river breached the natural levee flowing into the floodplain

 

 

 

Question 26 of 35

Looking at the previous image, what geological hazards are likely in the area?

 

  A. sinkholes

  B. flooding of urban areas

  C. erosion and subsidence

  D. none of the above

 

 

Question 27 of 35

Use this image to answer the following questions:

 

What type of drainage pattern is present in this area?

 

  A. Trellis

  B. Dendritic

  C. Rectangular

  D. Radial

  E. Deranged

 

 

Question 28 of 35

What does this type of drainage pattern indicate about the area?

 

  A. rocks in the area are homogeneous and/or flat lying

  B. rocks in the area are alternating resistant and non-resistant, forming parallel ridges and valleys

  C. stream channels radiate outward like wheel spokes from a high point

  D. stream channels flow randomly with no relation to underlying rocks or structure

 

 

Question 29 of 35

Use this image to answer the following questions:

What type of drainage pattern was present in this area?

 

  A. Trellis

  B. Dendritic

  C. Rectangular

  D. Radial

  E. Deranged

 

 

 

Question 30 of 35

What does this type of drainage pattern indicate about the area?

 

  A. rocks in the area are homogeneous and/or flat lying

  B. rocks in the area are alternating resistant and non-resistant, forming parallel ridges and valleys

  C. stream channels radiate outward like wheel spokes from a high point

  D. stream channels flow randomly with no relation to underlying rocks or structure

 

 

Question 31 of 35

In what direction was the main river flowing? Assume that North is to the top of the image.

 

  A. west

  B. east

  C. north

  D. South

 

 

Question 32 of 35

Use this image to answer the following questions.

 

How were these lakes formed?

 

  A. they were man-made – all are dammed

  B. they are formed by large rivers in the area

  C. as sinkholes, as underlying soluble rock was dissolved and areas collapsed

  D. they are impact structures that filled with water

 

 

Question 33 of 35

From Question 39 in the book, what type of bedrock is present in this area?

 

  A. limestone

 B.sandstone

  C. gneiss

  D. granite

 E. chert

 

 

Question 34 of 35

Use this image to answer the following questions:

 These features you are seeing are linear valleys. Assume that water flowed through these valleys at some time. What type of drainage pattern would this area represent? (Hint- notice that many of the stream channels are at right angles to each other.)

 

  A. Trellis

  B. Dendritic

  C. Rectangular

  D. Radial

  E. Deranged

 

Question 35 of 35

 

 

 

Think about the drainage pattern pictured above – what does this tell you about the underlying rocks?

 

  A. the rocks are probably fracture

  B. the rocks are uniformly resistant

 C. the rocks are part of a topographic high, like a mountain

  D. the rocks are alternately resistant and non-resistant