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ACTIVITY 7.6 Reading Contour Lines To effectively use topographic maps, familiarity with the rules for reading contour lines is necessary. Use Figure 7.11, a simplified contour map of a small volcanic cone and nearby landforms, to complete the following. (General rules for reading contour lines are provided in Figure 7.11.) 1. The difference in elevation between adjacent contour lines is called the contour interval. Look on the bottom of this map to identify the contour interval. Contour interval: 2. What is the difference in elevation between Points A and B? Difference in elevation: feet inne omel shwe bish Exercise Seven / Aerial Photographs, Satellite Images, and Topographic Maps 121 D G1000- 800: C #3 H #4 1200 1. A contour line connects points of equal elevation. 2. A contour line never branches or splits. 3. Steep slopes are shown by closely spaced contours. 4. Hills are represented by closed contour lines. A Figure 7.11 Topographic map to be used to answer questions in Activity 7.6. -1000 -800 GENERAL RULES FOR READING CONTOUR LINES A Contour Interval: 40 feet •N #2 7. Contour lines that occur on opposite sides of a valley always occur in pairs. 5. Closed contours with hachure marks on the downhill side represent a closed depression. 6. When contour lines cross streams or dry stream channels, they form a "V" that points upstream. ww 60 T €3 00 upstream at 50 downstream continu

ACTIVITY 7.6 Reading Contour Lines To effectively use topographic maps, familiarity with the rules for reading contour lines is necessary. Use Figure 7.11, a simplified contour map of a small volcanic cone and nearby landforms, to complete the following. (General rules for reading contour lines are provided in Figure 7.11.) 1. The difference in elevation between adjacent contour lines is called the contour interval. Look on the bottom of this map to identify the contour interval. Contour interval: 2. What is the difference in elevation between Points A and B? Difference in elevation: feet inne omel shwe bish Exercise Seven / Aerial Photographs, Satellite Images, and Topographic Maps 121 D G1000- 800: C #3 H #4 1200 1. A contour line connects points of equal elevation. 2. A contour line never branches or splits. 3. Steep slopes are shown by closely spaced contours. 4. Hills are represented by closed contour lines. A Figure 7.11 Topographic map to be used to answer questions in Activity 7.6. -1000 -800 GENERAL RULES FOR READING CONTOUR LINES A Contour Interval: 40 feet •N #2 7. Contour lines that occur on opposite sides of a valley always occur in pairs. 5. Closed contours with hachure marks on the downhill side represent a closed depression. 6. When contour lines cross streams or dry stream channels, they form a "V" that points upstream. ww 60 T €3 00 upstream at 50 downstream continu

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Activity 7.6
4 ©2019 Pearson Education, Inc. T ACTIVITY 7.6 Reading Contour Lines To effectively use topographic maps, familiarity with the rules for reading contour lines is necessary. Use Figure 7.11, a simplified contour map of a small volcanic cone and nearby landforms, to complete the following. (General rules for reading contour lines are provided in Figure 7.11.) 1. The difference in elevation between adjacent contour lines is called the contour interval. Look on the bottom of this map to identify the contour interval. 2010 Contour interval: 2. What is the difference in elevation between Points A and B? Difference in elevation: feet 10 D 1000 0380975) tos-yo-pea ponei show bisits bien Exercise Seven / Aerial Photographs, Satellite Images, and Topographic Maps 121 +#1 E -800- C #3 7 ydestro u/ 105W) 499 imils brin ●H oorydo #4 1200 -1000 olan -800 of bsmuningolq raildases of 1. A contour line connects points of equal elevation. 2. A contour line never branches or splits. 3. Steep slopes are shown by closely spaced contours. 4. Hills are represented by closed contour lines. A Figure 7.11 Topographic map to be used to answer questions in Activity 7.6. GENERAL RULES FOR READING CONTOUR LINES o sri A. ●N Contour Interval: 40 feet #2 4 5. Closed contours with hachure marks on the downhill side represent a closed depression. 6. When contour lines cross streams or dry stream channels, they form a "V" that points upstream. B GANDA upstream K 60 50 downstream 7. Contour lines that occur on opposite sides of a valley always occur in pairs. vode bun wokid p mbente dose noto continued
Transcribed Image Text:4 ©2019 Pearson Education, Inc. T ACTIVITY 7.6 Reading Contour Lines To effectively use topographic maps, familiarity with the rules for reading contour lines is necessary. Use Figure 7.11, a simplified contour map of a small volcanic cone and nearby landforms, to complete the following. (General rules for reading contour lines are provided in Figure 7.11.) 1. The difference in elevation between adjacent contour lines is called the contour interval. Look on the bottom of this map to identify the contour interval. 2010 Contour interval: 2. What is the difference in elevation between Points A and B? Difference in elevation: feet 10 D 1000 0380975) tos-yo-pea ponei show bisits bien Exercise Seven / Aerial Photographs, Satellite Images, and Topographic Maps 121 +#1 E -800- C #3 7 ydestro u/ 105W) 499 imils brin ●H oorydo #4 1200 -1000 olan -800 of bsmuningolq raildases of 1. A contour line connects points of equal elevation. 2. A contour line never branches or splits. 3. Steep slopes are shown by closely spaced contours. 4. Hills are represented by closed contour lines. A Figure 7.11 Topographic map to be used to answer questions in Activity 7.6. GENERAL RULES FOR READING CONTOUR LINES o sri A. ●N Contour Interval: 40 feet #2 4 5. Closed contours with hachure marks on the downhill side represent a closed depression. 6. When contour lines cross streams or dry stream channels, they form a "V" that points upstream. B GANDA upstream K 60 50 downstream 7. Contour lines that occur on opposite sides of a valley always occur in pairs. vode bun wokid p mbente dose noto continued
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