Select the correct answer(s) from the questions below: The horizontal distance between points A and B can be measured with a scaled ruler and used to determine the slope percent. To calculate this divide the distance (in centimeters) between the two islands by the difference in their ages. Closely spaced
Therefore, if you print it out in black and white please refer back to the electronic copy to avoid confusion. Each contour line shows a different elevation. In every map, on the right-hand bottom side, the contour interval is specified. How big is the base (area) of the washington monument in sq feet? quickly and accurately across any straight line on a map by following this procedure: a. fcontour (f) plots the contour lines of the function z = f (x,y) for constant levels of z over the default interval [-5 5] for x and y. fcontour (f,xyinterval) plots over the specified interval. What feature(s) can you observe south of Hwy. Use the appropriate conversion factor to convert the horizontal map distance to horizontal ground distance. refers to height in feet, or meters, above sea level). Divide the current maximum elevation of the Big Island by the rate you calculated in the previous question. map. The Contour Interval of the above map us 20 Units. What can be said about level surfaces of \varphi? These circular patterns indicate hilltops, like in the diagram below (Figure 3.6). Therefore the topographic profile in Figure 3.6 represents a profile of the map surface (along the A-B line) that has been vertically exaggerated by 10 times (10X). D 009 -800 N O a) 10 b) 20 D -600 -800 N a) 10 Ob) 20 c) 40 d) 50 Which point (A,B,C, D) has an elevation of 344 feet? Log in to TheConstructor to ask questions, answer peoples questions, write articles & connect with other people. When a large area is to be mapped in small piece of paper contour intervals are used. Contour lines Lines or isolines on a map that connect points with the same elevation. The zone from 5100-6400 represents the Earth's ? (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 thumbnail version of the map is shown in Figure 7-E7,a larger copy is provided at the back of this lab manual, and your TA will provide you with a full-scale version of the map in lab. How contour lines show a pair of small hills In Figure 9.4, what is the elevation of the highest point on Hunt Ridge (keep in mind step #4 from the first question)? These same fossils can be found in Australia, which indicates it, along with Antarctica, was also part of Pangaea at that time. How does the direction of motion of the Pacific Plate during the last 1.1 million years differ from direction of movement between 4.7 and 7.2 million years ago? Look closely at the topography south of highway, and it changes abruptly. The height of an object above the surface of the sea. 2. General
What type of drainage pattern is present in this area? A profile may be constructed
Contour lines that are close together show what type of slope? The difference in elevation between one contour line and the next. If you trace the length of a line with your finger, each point you touch is the same height above sea level. A contour map consists of contour lines of a given geographical region. What is the latitude for the southeast corner of the map? You will receive a link and will create a new password via email. Point D is marked at 10,000 elevation and the next label is marked as 10,500 elevation. All Rights Reserved. A rounded contour indicates a flatter or wider drainage or spur. a landform it is necessary to construct a topographic profile or cross-section
How far apart are North America and Mainland Asia in cm? long-term time-average of sea level). o drainage ' divide or watershed boundary 1000 ft -::-:: Contour interval 50 Feet Figure 12.5 Flow lines across a topographic surface. A contour line is a line drawn on a topographic map to indicate ground elevation or depression. Scale (contour interval): All maps have a horizontal scale. Index contours increase by 250. A mountaineer is planning an expedition. What is the relief (difference in elevation) between Little Tomah Lake and the top of Tomah Mountain (look for "Tomah Mtn")? These features you are seeing are linear valleys. A contour interval in surveying is the vertical distance or the difference in the elevation between the two contour lines in a topographical map. According to your best fit line, what is the recurrence interval of such a discharge? They also show some features made by people such as brodges. The difference between Contour intervals and Horizontal Equivalent are tabulated below: Contour Lines and Its Types, Characteristics and Uses in Surveying. An incredible app, hundreds of features for every kind of math, and the best part is that it shows u what to do on each step and it explains each step, and, very little ads. In which zone do the P wave velocities appear to be steadily increasing? The column and row indices of Z are the x and y coordinates in the plane, respectively. The run is 1000 feet and the rise in elevation is 120 feet. What type of tectonic plates are present? Please use Occams razor as you answer the questions: use the simplest explanation rather than the most complicated explanation to answer the question. f. Is the elevation of waypoint C > or < waypoint B? A darker, heavier contour line that is labeled with an elevation. Generally, there are totally distinct contour intervals for various maps. In the given figure contour interval is 50 feet. The difference between two adjacent contours is called the contour interval, which is 10 ft for the Figure 2-2 example. Q. the "V" points to the area of higher elevation or upstream. The more closely spaced the
Contour lines that are very close together indicate a steep slope. What bearing would you need to walk to go to the Smithsonian from the monument? 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Figure 2 is the cross section along line AB. What would cause two separate samples of pure water to have slightly different pH\mathrm{pH}pH values? (1 pt) Find Deadmans Lake (it is located close to Cheakamus River and south of Daisy Lake; refer to Figure 7-E8 which is a close up from the map area). Given that San Francisco is located on the North American Plate and Los Angles is located on the Pacific Plate, are these two cities getting closer together or farther apart over time? This page titled 3.6: Drawing Contour Lines and Topographic Profiles is shared under a CC BY-SA license and was authored, remixed, and/or curated by Deline, Harris & Tefend (GALILEO Open Learning Materials) . A topographic profile along the A - A' line is shown correctly in: What is the longitude for the northwest corner of the map? characteristics of contour lines: 1. lines enclose smaller and smaller areas. (1 pt) Garibaldi Creek is located east of Deadmans Lake (Figure 7-E8). Locate the state boundary between Nebraska and Iowa along the Missouri River. Note: The intervals are increasing, therefore, the contours indicate a hill. 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. Chapter 3 Topographic Maps by Karen Tefend and Bradley Deline, CC BY-SA 4.0. Low gradient and abundant sediment supply. What is Contour Interval? What is the relief of the area in the map? a. think about the drainage pattern you selected in the previous answer - what does this tell you about the underlying rocks? (2 pts) What is the gradient between Garibaldi Lake and Mount Price? Contour Lines a geologist is trying to date a sequence of sedimentary rocks with abundant fossils and sandstones. If the counter interval is 10 feet, which hill (a,b,c) when viewed from the base is 40 feet tall? What is the contour interval of the Figure 9 map (shown at the bottom of the page)? Now draw contour lines on your map to represent the pyramid in three-dimensions on your map. Taking the area to be mapped, contour intervals are considered. through a particular interval. If you examine the graph showing the topographic profile in Figure 3.6, can you imagine what would happen to your profile if we changed the spacing for elevations on the y-axis? Contour lines are used to show elevation on a topographic map. . It is thought to have formed by the runoff of either precipitation or groundwater. What direction is the North American plate moving in comparison to the Pacific Plate at this location? The figure above illustrates various topographic features. The Zone from 0-20 km represents the earths? Location A is higher. - Table 8 . Contour values are in feet. Determine the height of Mount Price. Would the recurrence interval for this flood plot at: Is it possible that a flood with a similar discharge to that of the event from 9/23/2009 could happen again in the next 20 years? in the southern portion of the map, the area is underlain by limestone. Figure out math tasks Determine Contour Interval and Contour Line Values. 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. A contour interval in surveying is the vertical distance or the difference in the elevation between the two contour lines in a topographical map. Assume value is an integer variable. the entire earth to a city block (or less). Generally, there are various contour intervals for the various maps. On which date did a flood event have a recurrence interval of 0.5? 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. d. Is the elevation of waypoint D > or < waypoint C? Inspect the P wave velocities. 0.5 in 24,000 in/in = 12,000 in Convergent (Continent-Ocean or Ocean-Ocean). You can figure out the elevation of
Use the topographic map (Fig. Then add 1 to 5 that becomes 6. the final step is the quotient of the difference between 2 index lines (step 2) and the number of lines in between two index lines plus 1 (step 5). In this case, to find out the intermediate points elevation, contour intervals are used. Step 3. From the contour map, a profile can be drawn of the terrain. Extra Practice Question on Topographic Maps, Overview of Geological Structures Part 1: Strike, Dip, and Structural Cross-Sections, Exercises on Geological Structures Part 1: Strike, Dip, and Structural Cross-Sections, Overview of Geological Structures Part 2: Folds, Faults, and Unconformities, Exercises on Geological Structures Part 2: Folds, Faults, and Unconformities, 6. Based on the drainage pattern type, does the bedrock underlying this area consist of rocks uniformly resistant to erosion or rocks alternating between resistant and non-resistant layers? Describe how you decided on an estimated elevation for points A and E. c. Is the elevation of waypoint A > (greater than) or < (less than) waypoint E? 2009-2021 The Constructor. Book: Laboratory Manual for Introductory Geology (Deline, Harris & Tefend), { "3.1:_Introduction" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.
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