1. Type "Tell City, Indiana" into the GE search window. Once you arrive there, zoom out to an eye altitude (eye alt) of

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1 Type Tell City Indiana Into The Ge Search Window Once You Arrive There Zoom Out To An Eye Altitude Eye Alt Of 1 (466.21 KiB) Viewed 29 times

1. Type "Tell City, Indiana" into the GE search window. Once you arrive there, zoom out to an eye altitude (eye alt) of about 50 mi (bottom right on Google Earth). You will be looking down on the Ohio River, the largest tributary by volume of the Mississippi River. Examine the stretch of river that flows from east to the west near the city and describe the channel pattern you observe. (4 pts) eye alt A. Braided B. Meandering C. Deltaic D. Artificially straightened Google Earth eye alt 50.60 mi 2. Follow the Ohio River downstream until it meets the Mississippi River. What town is found right before they meet? The distance from Tell City, Kentucky to where the Ohio River meets the Ohio River channel over the approximate 150 miles stretch. (You can determine elevation at each location by putting your cursor over the river channel near these two localities and reading elevation off the bottom of the screen given in feet). What is the approximate gradient in feet per mile over this stretch of the Ohio River? Be sure to show work for partial credit. (River gradient is discussed in section 16.3) (4 pts) Example: Answer: City 2 Downstream 100 ft. Answer (Town): RIVER 5.68" N 86°33'44.08" W elev 436 ft Upstream 120 ft. Distance=100 mile City 1 Gradient = Elevation Difference Difference in elevations Distance 100 ft-120 ft 100 mile = 20 ft. ft = 0.2 mile
Which of the following cities is most vulnerable to flooding by the Mississippi River? To ascertain which city is most vulnerable, take the difference in elevation between the water level of the Mississippi River and the center of each city. The smallest difference will be the most vulnerable. To measure the elevations of Mississippi river and the center city consider eye alt ~ 10.000 ft (4 pts) Difference in Elevation in feet City A) Moline, Illinois B) Vicksburg, Mississippi C) Memphis, Tennessee D) Saint Paul, Minnesota E) St. Louis, Missouri Answer: Elevation of Center City (Mouse on Center City) in feet 252 Elevation of River (Mouse on River) in feet 204 Page2 of 3 48 3. Go to the Google Earth image of Greenville, Mississippi. What geologic feature is surrounding Archer Island to the north of the city? Must give the geologic term used in Chapter 16 of your textbook (4 pts)