Activity 5 Relief and Gradient (Slope) Analysis Date On.visit toyinenin you and

Question

Activity 5 Relief and Gradient (Slope) Analysis Date On.visit toyinenin you and wane frienda nnd a n.. ptar am" she Merced Rnr, lor . penk aberner vantage point b, walking up ton' Vou hare a. in feet Prom your ressing place at point A.you decide to gain 6600 6200 -62 North Merced River 1000 feet Figure A5.1 Using the labeled elevations of the index contours as your guide, what is the contour interval (the elevation difference between two adjacent contours) in Fig. A5.1 n. scale on the map that indicates a distance of 1000 ft. on the ground in your picnic area. How long is that bar scale on the map in mm? mm What is the horizontal disance from A to B measured along a straight line in f? (Hint Measure the distance from A to B usi to find the answer using proportions.)ft. er on the map, and then use your measurement of how many mm on the map equal 1000 ft. in the field D What is he average gudins Cleration change disided by horizonal disance,both cxpresed in tJ along a staighi li from A to B? 278

Explanation / Answer

Answer:A

The difference between two adjacent contours are of 40, as we can easily measure the difference between two thick contours lines.

Answer:B

Since, 1 foot is equal to 305 mm. Therefore, 1000 feet is equal to 305000 mm.

Answer:C

It is around 2000 feet.

Answer:D

The elevation difference are about 260 and horizontal distance are 2000 ft, therefore, gradient would be 0.13.

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