What can be said about level surfaces of \varphi? 16. o drainage ' divide or watershed boundary 1000 ft -::-:: Contour interval 50 Feet Figure 12.5 Flow lines across a topographic surface. This may be easier to determine by examining the tributaries to the main stream. Answers: 1 Show answers Another question on Biology. Give the elevation of the highest and lowest contour lines as well as the difference between them. Follow the creek along its path. Low gradient and abundant sediment supply. Examine the path of the river that feeds into and flows out of Quail Lake. Upon adding divalent ions, she could regain 70S70 S70S particles, but never 1005 or 1305 particles. d. Is the elevation of waypoint D > or < waypoint C? 1.3 Tips for Measuring %Slope on Contour Maps Compare the contour intervals from the Royal Gorge, Colorado map (map 5.1) to the Omaha N, Nebraska-Iowa map. Locations A and B are at the same elevation. This means every point on a contour line has the same altitude as that of the assumed intersecting surface. When the contour interval is not specified in the map, it can be calculated as explained in the following sections. On which date did a flood event have a recurrence interval of 0.5? Note: there is technically more than one correct answer for some of these questions. The zone from 5100-6400 represents the Earth's ? Scale: Maps come in a variety of scales, covering areas ranging from Chapter 3 Topographic Maps by Karen Tefend and Bradley Deline, CC BY-SA 4.0. Location B is higher. Figure 2 is based on a more complicated landscape that I contoured using a dark pen at a 10 m contour interval and using a lighter pen at a 5 m contour interval. Step 2. Controls the size of characters in the contour labels; default is 0.08". Figure 4: Reading Contour Maps . Please hand in this lab to your TAs at the end of the lab period. What is Contour Interval? Its Calculation and Uses in Surveying What is the latitude on the northern edge of this rectangle? (a) Suggest what the 100S100 \mathrm{~S}100S and 130S130 \mathrm{~S}130S particles might represent, in light of current knowledge of protein synthesis. A contour line is a line drawn on a topographic map to indicate ground elevation or depression. First, we must identify the two contours that lie on either side of "P." In some cases the contours that we need are clearly labeled; however, in other instances, you will need to use the contour interval (1,000 feet, in this case) to "count" up or down from a labeled contour. Salmon River This map is a geologic map of glacial geology in the area, drawn Because there isnt a 60ft contour line on this hilltop, we know that the hills highest point (the crest) is some elevation between 50 and 60ft. Is the church likely to be at risk of contamination from this same leak? The direction system is useful but imprecise. A contour interval is a vertical distance or difference in elevation between contour lines. Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. What does each contour line on a map show? Vertical Absolutley amazing app and would definitely recommend. PDF Cross Section and Slope - NASA Q. Examine the map below to answer the question. Note: The intervals are increasing, therefore, the contours indicate a hill. What is the approximate map relief? To show different features of Earth's surface. Expert Answer. Lay a strip According to your best fit line, what is the recurrence interval of such a discharge? The map has a contour interval of forty feet, The final answer we get after dividing is the contour interval of the specific topographical map. Here two contour line, side by side are 790 m and 780 m. Between them there is no contour line. Legal. each contour to the horizontal line of the same elevation. The column and row indices of Z are the x and y coordinates in the plane, respectively. slope of the area you are interested in by subtracting the lowest elevation 6.8 CONTOURING | Science Data Integration Group - Ferret Support Calculate the contour interval between index contours, which are are the more prominent, bold-colored lines with the elevation marked on them. When the vertical dimension of your graph is different from the horizontal dimension on your map, you may end up with a graph that shows a vertical exaggerationand the features of the Earth represented by your topographic profile may be deformed such as in Figure 3.7. A contour line of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value. Considering the size of the area to be mapped, contour intervals are assumed. Once your contour lines are drawn, you will notice that you had to draw some lines closer together in some areas and wider apart in other areasand that you may have even enclosed an area by drawing a contour line in a circular pattern. Contour: Definition and Methods | Contour |Surveying The vertical distance or difference in elevation between contour lines is known as a contour interval. What does a contour interval mean - A contour interval is a vertical distance or the difference in the elevation between the two contour lines in a. . submergence and deposition of sedimentary layers 10-13. based on the assemblage of organisms (A-I) in this sample, what is the age of this rock. To avoid having your profile distorted so that it accurately conveys what the surface of the Earth really looks like in profile, you will want both the vertical and horizontal scales to match. Contour plot of matrix - MATLAB contour - MathWorks Topographic maps STAAR Review | Topography Quiz - Quizizz First, subtract the lower number from the higher number and then divide the result by the number of contour lines. What is the relationship between the relief of an area and the contour interval on a map of he area? The Grand Canyon is an extraordinarily steep area. Contour lines that are far apart show what type of slope? Comparable to figure 8 D-F in ref. 250/5 = 50. Generally, there are totally distinct contour intervals for various maps. What important discovery did the researcher miss? The rock that most closely resembles the composition of oceanic crust based on the description in the previous section is: Based on the choice you made for question 17, what is the density of the rocks that make up oceanic crust? (measure the distance across the Pacific at 40 degrees north latitude- basically measure between Northern California and North Korea)? What is the physical state of a dry mantle rock at point X? USGS topographic maps also show many other kinds of geographic features including roads, railroads, rivers, streams, lakes, boundaries, place or feature names, mountains, and much more. Example 1- In the graphic below, what is the vertical distance between the contour lines? How far (in Km) did the pole move in one year during this time period? Notice the tick marks pointing toward lower elevation. Measure the distance using the bar scale between the pole 1400 and 1700 (locations C and F). Stream (10 pts) Imagine you are a geologist working for the Geological Survey of Canada. right hand portion of the window. Considering the above map, the steps involved in contour interval calculation are. How contour lines show a pair of small hills 2. You can figure out the elevation of contour lines, the steeper the slope. Sorry, you do not have permission to ask a question, You must log in to ask a question. 2. What is the name of the family that contains beryllium? At 500 degrees Celsius, rocks will be buried to about _______ km depth. On a topographic map, a contour line is a line that depicts ground elevation or depression. Locate the state boundary between Nebraska and Iowa along the Missouri River. Q. (3 pts) Based on the scale chosen for you for the topography (vertical axis), calculate the amount of vertical exaggeration on the topographic profile you constructed for question 4. Stream channels radiate outwards like wheel spokes from a high point. shows the surface features, or topography of Earth or a certain area. It is impossible to determine which location is higher. 9. 500/10=50 Possible contours include 500', 520', 540', 560', 580', 600', 620', etc. (1 pt) Examining your map, you will see there is a black line that outlines a rectangle that takes up most of the map area. look at a map of the Sulphur-Boundary Creek area along the Middle Fork of the Information Melodic contour is the shape and sequence of movements of a melodic line. slope percent = rise/run 100 PDF Laboratory 6: Topographic Maps Geology Ecore Midterm Flashcards | Quizlet Streams/Rivers Escarpments/Cliffs Given that this portion of Pangaea broke apart 200,000,000 years ago, calculate how fast South America and Africa are Using the speed you calculated in the previous question (and ignoring possible changes in sea level), when will the Big Island of Hawaii sink below the surface of the ocean? in the southern portion of the map, the area is underlain by limestone. A contour interval is a vertical distance or a difference in elevation between contour lines in a topographic map, index contour lines are bold or thick lines that appear on every fifth contour line and if the number associated with specific contour lines is increasing, the elevation of the area is also increasing. Q. Why? In Figure 9.4, what is the elevation of the highest point on Farrow Mountain? What color shows buildings, bridges and railroads? By using a ruler, you can transfer these elevation points from your topographic map straight down onto your graph paper such as shown in Figure 3.6. A. Contour the water table data, using a contour interval of 10ft. slope percent = (120ft / 1000ft) 100 = 12% maps also have a vertical scale to allow the determination of a point in three Each contour line shows a different elevation. Q: Refer to figure 23.5. quickly and accurately across any straight line on a map by following this procedure: a. Step 4. What is the relief between the surface of East Musquash Lake and the intersection between U.S. Route 1 and Maine Route 6 in Topsfield? Contour lines never cross. What is the latitude for this monument? What is the elevation of the base of the monument in meters? 750m. Contour lines make a v pattern as they cross streams and rivers, and the v always points towards the upstream direction. Answered: Topographic Maps EXERCISE 2 POST-LAB | bartleby The difference between adjacent contour lines. Based on the map below, which location has a greater elevation, A or B? Contour Interval on Topographic Map. If the numbers associated with the contour lines are decreasing, there is a decrease in elevation. All contour lines are spaced at a 20 m contour interval. If the numbers associated with specific contour lines are increasing, the elevation of the terrain is also increasing. A topographic profile is a cross-sectional view At what depth will the dry mantle rock at point X begin to melt if it is uplifted closer to Earth's surface and its temperature remains the same? The speed the islands are sinking can be estimated by measuring the difference in elevation between two islands and dividing by the difference in their ages (this method assumes the islands were a similar size when they were active). Contour lines Interpreting Contour Maps | METEO 3: Introductory Meteorology (5 pts) Figure 7-E4 shows five waypoints (A, B, C, D, and E) on a topographic map. Now calculate the difference between the two-selected index contour line selected from a map. Figure 7 . think about the drainage pattern you selected in the previous answer - what does this tell you about the underlying rocks? which organism was the most useful in coming to this conclusion (best fossil index), which organism was the least useful in coming to this conclusion (worst index), how much of the parent isotope would be remaining after 7 half lives have passed, if a radiometric element has a half life of 425 yrs, how old would a rock be that only had 3.125% of the parent isotope remaining, based on your graph approximately how much of the parent isotope would be remaining after 3.5 half lives, based on your graph above approximately how many half lives have passed when only 35% of the parent isotope is remaining, an archeologist finds some cloth at a burial site and wants to determine the age of the remains. Observe the S wave velocities. Are streams in this area downcutting or laterally eroding? Select the Point D is marked at 10,000 elevation and the next label is marked as 10,500 elevation. Search for the "Washington Monument" and zoom into 3000 feet eye altitude. A topographic profile along the A - A' line is shown correctly in: What is the longitude for the northwest corner of the map? The highest point on a topographic map is marked as 345m. What feature(s) can you observe south of Hwy. Join TheConstructor to ask questions, answer questions, write articles, and connect with other people. This content is subject to copyright. refers to height in feet, or meters, above sea level). slope percent = rise/run 100 A rounded contour indicates a flatter or wider drainage or spur. below cuts the mountain at equal intervals of elevation. 10. It will take approx. lowest line (which is 6760 feet, and not marked) has an elevation equal or greater Contour intervals must be obeyed, therefore the contour line elevations can only be multiples of the contour interval . Once your points are plotted on the graph paper, you simply connect the dots. Choose the appropriate profile below. 5.5 Contour Lines and Intervals | NWCG The contour line is a line which defines the outline of an object. These circular patterns indicate hilltops, like in the diagram below (Figure 3.6). Performance Assessment of Three Continuous Glucose Monitoring Systems The number of contour lines in-between 7000 and 7100 are 4. A darker, heavier contour line that is labeled with an elevation. The zone from 2900-5100 represents the Earth's ? (1 pt) How much higher is Mount Price than Garibaldi Lake? of paper along a line across the area where the profile is to be constructed. Note: elevation is metres above sea level; thus, sea level = ______ m. 2. a stream or river and dividing the distance (in miles) into the vertical difference What type of drainage pattern would this area represent? . exaggeration: The terms below What is the profile view to Topographic Map #1? The lines point toward the center of the depression. The run is 1000 feet and the rise in elevation is 120 feet. The even spacing indicates the hill has a uniform slope. The word contour comes from French, and it is defined as meaning the "outline" of a subject, it often defines a form or an. 2. 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what is the contour interval for the figure below? No Responses