LAR 512 – Fall 2002

PROBLEM #1 – INTRODUCTION TO TOPOGRAPHIC MAPS

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Using the topographic map located at http://www.barrettkays.com/problems/problem1map.jpg. Note: This is a large download (~700k). Please review the following information on the topographic and answer the following questions:

1. Locate the red flag at the bottom right on the topographic map; what is the name of the stream that connects to the Neuse River at this location? __________

2. What is the topographic scale on the map?

a. In feet/inch __________

b. In miles/inch __________

c. What is the scale ratio? __________

3. Please highlight all of the streams above this streams confluence with the Neuse River.

4. Please accurately draw on the map the boundaries of this watershed.

5. What is the drainage area of this watershed in square miles? __________

6. What is the order number of main stem stream of the watershed? __________

7. How many 1^st order streams are located in the watershed? __________

8. How many 2^nd order streams are located in the watershed? __________

9. How many 3^rd order streams are located in the watershed? __________

10. How many 4^th order streams are located in the watershed? __________

11. How many 5^th order streams are located in the watershed? __________

12. Draw a line in a north-northeast direction, which crosses the main stem stream at I-40 west of Raleigh. Extend this line all the way across the watershed. Study the general topography in the watershed west of this line and east of this line. How would you describe the differences? __________________________________________________________________

13. What factors might reasonably cause this change in the topography?

a. ____________________________________________________________

b. ____________________________________________________________

c. ____________________________________________________________