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You are watching: What is a contour interval answers

1) edge interval provided is 40 feet (12.192m) 2) difference in key between point A & B will be 120 feet since the contour interval is 40 feet so allude A is at 960 feet while allude B is at 840 feet 3)index contour offered in…View the full answer
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Transcribed photo text: task 7.6: reading Contour lines To efficiently use topographic maps, familiarity with the rule for reading contour currently is necessary. Use number 7.11, a simplified contour map of a tiny volcanic cone and nearby landforms, to complete the following. (General rule for reading contour currently are noted in figure 7.110.) 1. Th e difference in elevation between surrounding contour lines is dubbed the contour interval. Look on the bottom of this map to determine the contour interval edge interval: 2. What is the distinction in elevation in between Points A and B? difference in elevation: feet 3. An alert that every fifth contour line, dubbed an table of contents contour, is published as a interlocutor brown line, and also the key of that line is listed (in feet). Perform the elevations for each table of contents contour shown on this map. Feet teet feet 4. Very closely spaced contours indicate steep slopes. I beg your pardon of the four slopes presented with red arrows labeling 1- 4 is the steepest? i m sorry is the least steep? Steepest: least steep: 5. One or much more roughly circular close up door contours suggests a hill. I m sorry of the landforms labeled B-E room hills? Hill landforms: 6. Closeup of the door contours with hachures (short lines) that point downslope indicate depressions (basins there is no outlets). Which of the landforms labeled D-G are depressions? Depressions: 7. When contour lines cross streams or dried stream channels, they form a V that points upstream. Attract arrows next to three of the streams (shown in blue) to indicate the direction in which every is flowing. 8. Estimating the elevations of areas not situated on a edge line involves extrapolation. For example, a allude halfway in between the 500- and 600-foot contour lines would have actually an elevation of about 550 feet. Which of the following elevations is the best estimation for point N: 830 feet, 870 feet, or 890 feet? key of allude N: feet 9. Relief is characterized as the difference in elevation between two locations, such together a hill and a adjacent valley. A. What is the relief indigenous the optimal of the volcano cone (Point G) to the sink (Point H) below? Relief: feet b. What is the relief indigenous the height of the hill (Point D) to the valley (Point H) below? Relief: feet figure 7.11 Topographic map to be used to answer questions in activity 7.6. #3 8 #4 1200 1000 800 contour Interval: 40 feet basic RULES FOR reading CONTOUR currently 5. Closeup of the door contours with hachure point out on the 1. A contour heat connects points of same elevation. 2. A contour line never branches or splits. 3. Steep slopes are presented by closely spaced contours 4. Hills are represented by closeup of the door downhill side represent a closed depression 6. When contour lines cross streams or dry upstream present channels, they form a\"V\" that points upstream 7. Contour lines that occur on opposite contour lines political parties of a valley constantly occur in pairs.