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Lab 7 Activity - Laboratory Manual for Earth Science - BCcampus Considering the size of the area to be mapped, contour intervals are assumed. Refer to the figure below. separating in cm/year? Please refer to this Saskatoon topographic map to complete the next three questions. (Answer to the nearest foot.) Pick two contour lines that are next to each other and find the difference in associated numbers. On our map, point "P" lies between 3000 feet and 4000 feet contours . The number of lines obtained in the above step is taken and added with 1. Given that this portion of Pangaea broke apart 200,000,000 years ago, calculate how fast South America and Africa are a geologist is trying to date a sequence of sedimentary rocks with abundant fossils and sandstones. A topographic map may or may not include shaded relief to help visualize steep slopes. 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. What happens when the lithosphere at point X is heated to 1500 C? Give the elevation of the highest and lowest contour lines as well as the difference between them. LAB EXERCISE 9.2 Determining Elevations from Topographic Maps - Quizlet Joyce McBeth; Karla Panchuk; Tim Prokopiuk; Lyndsay Hauber; and Sean Lacey, 1.3 GEOLOGY & RESOURCE MAPS FOR CANADIAN PROVINCES & TERRITORIES, 1-E1 LAB EXERCISES CANADIAN GEOLOGY & MINERAL AND ENERGY RESOURCES, 1-E2 LAB EXERCISES REGIONAL GEOLOGY & MINERAL AND ENERGY RESOURCES, 2-E1 LAB EXERCISES MINERAL IDENTIFICATION, 3.5 IGNEOUS ROCK FORMATIONINTRUSIVE VS. EXTRUSIVE, 3.6 LAB EXERCISES IGNEOUS ROCK IDENTIFICATION, 4-E1 LAB EXERCISES SEDIMENTARY ROCK IDENTIFICATION, 5.4 LAB EXERCISES METAMORPHIC ROCK IDENTIFICATION, 6.7 LAB EXERCISE CHOOSING ABSOLUTE DATING METHODS, Answers to Practice Lab Exercises in section 7-E1, 8.6 GEOLOGIC STRUCTURES CREATED BY PLASTIC & BRITTLE DEFORMATION, 8-E5 EXERCISES COMPLEX GEOLOGICAL MAPS & CROSS-SECTIONS, 9-E1 LAB EXERCISE LOCATING AN EPICENTER, 9-E3 LAB EXERCISE HISTORICAL EARTHQUAKE, 10.3 STREAM GRADIENT AND THE CYCLE OF STREAM EROSION, Introductory Physical Geology Laboratory Manual First Canadian Edition (v.3 Jan 2020), https://pub.data.gov.bc.ca/datasets/177864/pdf/092G/092G095.pdf, Next: Extra Practice Question on Topographic Maps, Introductory Physical Geology Laboratory Manual First Canadian Edition (v.3 - Jan 2020), Creative Commons Attribution-ShareAlike 4.0 International License. Determine the height of Mount Price. For 1:25 000 scale maps the interval between contours is usually 5 metres, although in mountainous regions it may be 10 metres. 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. The direction of plate movement in the last 1.1 million years. Look closely at the topography south of highway, and it changes abruptly. The. Provided is a topographic map of a hill with contour lines drawn showing elevation in meters. Figure 7 . Show your work! Interpreting Contour Maps | METEO 3: Introductory Meteorology A contour interval in surveying is the vertical distance or the difference in the elevation between the two contour lines in a topographical map. A red "X" in Figure 9.5 marks a spot on a contour line along the shore of Baskahegan Lake, but the printed DEM doesn't say anything about its elevation. Axons from which neuron in the retina make up the optic nerve? What is a topographic map? | U.S. Geological Survey https://openpress.usask.ca/app/uploads/sites/52/2018/08/SKtopomap_v2.pdf. What is the latitude on the northern edge of this rectangle? Determine the elevation at Point A and Point B in the Figure 9 map below. What is the elevation of the unlabeled index contour crossing Roaring Creek in the northwest corner of the map? 40 feet - 20 feet = 20 feet If the numbers associated with specific contour lines are increasing, the elevation of the terrain is also increasing. The zone from 20-2900 Km represents the earth? Contour lines that are very close together indicate a steep slope. When you join you get additional benefits. What is the relief (difference in elevation) between Little Tomah Lake and the top of Tomah Mountain (look for "Tomah Mtn")? in Figure 9.4, what is the elevation of the intersection of U.S. Route 1 and Maine Route 6 in Topsfield? What is the name of the family that contains beryllium? The contour music definition is the same definition in any medium such as visual art,. 1) The contour interval between contour is 40m. In Figure 9.4, what is the elevation of the highest point on Farrow Mountain? up or down from the nearest index contour line and multiplying by the contour Measure the horizontal map distance between points A and B to get the vertical ground distance. Select the The contour interval is determined by the scale of the map and the degree of relief of the terrain being represented. Assume that water flowed through these valleys at some time. Controls the size of characters in the contour labels; default is 0.08". Trees growing in denser stands experience more competition for essential resources, which can make them more vulnerable to disturbances. Write your answer in feet. PDF 2-1. BATHYMETRIC CHARTS - UMass D 10. Widely separated contour lines indicate a gentle slope. Locate Little Sinking Creek in the southern portion of the map, north of Hwy. Also no adds. If you were standing at the washington monument what direction would you need to walk to get to the U.S. capitol building? Usually there are different contour intervals for the different maps. It is important for the farmer or irrigator to identify the slopes on the land. Which one travels faster? The Grand Canyon is an extraordinarily steep area. (b) Notice how a mountain saddle, a ridge, a stream, a steep area, and a flat area are shown with contour lines. dimensional space. In this stream, erosion is occurring on the ______________ because _______________, while deposition is occurring on, Cut banks, the fast velocity flows to this point; point bars the slowest velocity water flows to this point. Among other things, a topographic map can be used to measure the average slope What is the gradient? slope percent = (120ft / 1000ft) 100 = 12% as sinkholes, underlying soluble rock was dissolved and area collapsed. What is the contour interval of the Figure 9 map (shown at the bottom of the page)? As you look at the map, notice that the contour How contour lines show a pair of small hills V shaped. Slope Worksheet- Use the information from the example above and complete the slope worksheet. Description. Apply the principle of conservation of angular momentum to determine the direction a spacecraft will rotate if an internal gyroscope begins to rotate in the counterclockwise direction. Which of the following statements about them is true? So contour interval = 790 m-780 m=10 m. For further query, add a comment. slope percent = rise/run 100. Contour Lines: Contour lines are used to determine elevations and are lines on a map that are produced from connecting points of equal elevation (elevation refers to height in feet, or meters, above sea level). look at a map of the Sulphur-Boundary Creek area along the Middle Fork of the Each contour line shows a different elevation. Refer to the topographic map in Figure 7-E3 for an example of contour lines you can use to help you complete this question. hillslope: As a contour approaches a stream, canyon, or drainage area, the contour lines turn upstream. contour (Z) creates a contour plot containing the isolines of matrix Z, where Z contains height values on the x - y plane. which of the above geologic events is fifth in the sequence. If you trace the length of a line with your finger, each point you touch is the same height above sea level. lines enclose smaller and smaller areas. A beginners guide to understanding map contour lines What does each contour line on a map show? Write your estimates for the elevation at each waypoint next to the waypoint. 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. It is a plane section of the three-dimensional graph of the function f parallel to the-plane. Measure the gradient to the index contour past the word Creek (the last contour before it reaches Arkansas River). S waves cant travel through liquids and this depth is where the liquid outer core exists. 1. The Contour Interval of the above map us 20 Units. 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? At 75 km depth, rocks will be heated to about _______ degrees Celsius. When connecting the points on your graph paper in the area between the two hills in Figure 3.6, you again want to round out the area to represent the base of your valley between the hills, but be careful not to make the valley floor too deep, as according to the topographic map the elevation is below 40ft, but not as low as 30ft. USask GEOL 121 Lab Final Exam Overview. 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. contour lines represent steep slopes, conversely, contour lines that are spaced The horizontal map distance measures 0.5 inches. What approximate discharge would be associated with a 50 year recurrence interval? Index contours are bold or thicker lines that appear at every fifth contour line. Index contour lines: Every fifth contour line is a thicker, "index" line.At some point along that line, its exact elevation is listed. lowest line (which is 6760 feet, and not marked) has an elevation equal or greater Why do you think then that only a 1-2 drops of indicator is used in an acid-base titration? The map has a contour interval of forty feet, In above Figure, what is the contour interval of the map? Refer to Problem 14.1 for guidance. What type of tectonic plates are present? located below the scale. An excerpt from a contour map is shown below. (5 pts) Construct a topographic profile for the map inFigure 7-E6 from position A to A on the graph paper provided in Figure 7-E6 below. See the example under CONTOUR/SPACING below. All Rights Reserved. Challenging deep learning models with image distortion based on the (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). 200 feet. In what direction was the main river flowing? During the flood event of 9/23/2009, the discharge measured at this gaging station was 21,200 cfs. How to Determine Elevation From a Topographic Map What type of drainage pattern would this area represent? 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? How far have the snake fossils moved apart since they were originally deposited? Solved What is the contour interval for the topographic map - Chegg quickly and accurately across any straight line on a map by following this procedure: a. To use the same interval for both x and y , specify xyinterval as a two-element vector of the form [min max]. (1 pt) If someone decided to climb Mount Price, what would be the easiest and safest route to take? Using the map below ( Figure 6 ), what is the contour In the early days of ribosome research, before the exact role of ribosomes was clear, a researcher made the following observation. topographic profiles: Remember that topographic maps represent Follow the creek along its path. Zoom out and examine the area, what other type of boundary is nearby? For all of the following figures, assume north is at the top of the map, and south at the bottom. Contour Lines Show your work. When a large area is to be mapped in small piece of paper contour intervals are used. CONTOUR/SIGDIG= Sets the number of digits after the decimal point for contour labels; default is 2. slope of the area you are interested in by subtracting the lowest elevation Plot contours - MATLAB fcontour - MathWorks Math can be challenging, but with a little practice, it can be easy to clear up math tasks. The image to the left shows a perspective view of a river mouth at the head of a valley between a steep cliff (to the left) and a smoother slope (to the right). Therefore: Rise = change in elevation = top (Point A elevation) minus bottom (Point B . A contour map consists of contour lines of a given geographical region. All points on a contour line are at the same elevation. (10 pts) Imagine you are a geologist working for the Geological Survey of Canada. Why? Figure out math tasks Determine Contour Interval and Contour Line Values. do not cross each other, divide or split. A contour interval is the vertical distance or difference in elevation between contour lines. Scale: Maps come in a variety of scales, covering areas ranging from Refining interval counts to include these produced Figure 7 and - Table 8, below. Use the appropriate conversion factor to convert the horizontal map distance to horizontal ground distance. For example, the first hill on the left has a top contour line of 50ft. This may be easier to determine by examining the tributaries to the main stream. None of these. (1 pt) Explain in a sentence how a ratio scale works. (2 pts) What is the ratio scale used on this map? It is thought to have formed by the runoff of either precipitation or groundwater. How are depressions marked on a topographic map? (in feet) between the two points. Contour Interval on Topographic Map. Examine unconformities 1 and 2 indicated in Figure 1.9. The direction system is useful but imprecise. 7. Flood stage, or bankfull stage, on Sweetwater Creek occurs at a discharge of ~4,500 cfs. 3. How big is the base (area) of the washington monument in sq feet? The outside of the fiberglass is maintained at 35C35^{\circ} \mathrm{C}35C, and the total heat flow through the copper-fiberglass combination is 52kW52 \mathrm{~kW}52kW. A topographic profile along the A - A' line is shown correctly in: What is the longitude for the northwest corner of the map? Overview section 7.3 provides background information on contour lines to prepare you for these exercises. Every sixth contour line has an index contour, which is a bolder or thicker line. Contour intervals must be obeyed, therefore the contour line elevations can only be multiples of the contour interval . Was Carter Lake cut off before or after the state boundary between Nebraska and Iowa was drawn? Join TheConstructor to ask questions, answer questions, write articles, and connect with other people. A contour line is a line drawn on a topographic map to indicate ground elevation or depression. How to Read a Topographic Map | REI Co-op b. The shaded areas indicate the 95% confidence intervals. You want to have the y-axis of the graph paper represent the elevations of the contour lines that intersect your drawn line (line A-B in this case). examine the unconformity shown in figure 1.10. what type of unconformity is this? The figure above illustrates various topographic features. interval. In Figure 1.9, which of the following geologic structures is. which of the above geologic events is the seventh in the sequence? Would this be an easy location to maintain a railroad? The commonly used contour interval is 20 feet for a 1:24,000 map scale. 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. Its Calculation, Uses and When it is Required, Factors Affecting the Selection of Contour Interval. 2. The lowest contour line is at 200m. Sensor stability as characterized through mean absolute differences (MARD) on every study day including only sensors inserted on study day 1. The result is expressed in feet per mile (ft./mi.). Observe the S wave velocities. 1 What is the contour interval on this map? Examine the map below to answer the question. (5 pts) The following topographic map (Map 7-E3) is from a coastal area and features an interesting geological hazard in addition to the ocean. 13. A profile may be constructed A person standing at point "F" would only be visible to a person standing at: Examine the figure below. A. The height of an object above the surface of the sea. A simple diagram is shown below on the left. In this case, to find out the intermediate points elevation, contour intervals are used. If you go from the river at (36 05 35.38 N 113 14 43.70 W) Straight up north the canyon rim The intervals +4tt and 4tt, then, respectively showed intervals ascending and descending from the tonal centre. - Table 8 . First, we compute the activation . (2 pts) What is the gradient between Garibaldi Lake and Mount Price? Intervals involvinq the tonal centre, and their directions of movement -1 1 0 0 0 -1 0 1 0 0 -9 0 0 0 -8 1 0 0 -7 0 0 0 -6 . They are marked with short, straight lines inside the circle. All contour lines are spaced at a 20 m contour interval. For the plotting of region, the contour intervals are presumed. 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. Contour 8. a. This makes reading the map easier. Want to create or adapt books like this? Take that distance and divide it by the speed you calculated in question 3 to estimate when the next supercontinent will form. Vertical Lighter contour lines do not have elevations, but can be determined by counting Calculate the contour interval between index contours, which are are the more prominent, bold-colored lines with the elevation marked on them. General (a) Suggest what the 100S100 \mathrm{~S}100S and 130S130 \mathrm{~S}130S particles might represent, in light of current knowledge of protein synthesis. The Zone from 0-20 km represents the earths? Therefore, if you print it out in black and white please refer back to the electronic copy to avoid confusion. If you decided to walk to from the monument to the white house how far would u have to walk in miles? What is the approximate map relief? Answered: Question 5 From a topographic map, the | bartleby To solve a math problem, you need to figure out what information you have. If the arrow is pointing toward the contour lines around your location, your location is a higher elevation than the index contour line. . right hand portion of the window. Question 20. Information Mathematically, a contour line is a curve in two dimensions on which the value of a function f (x, y) is a constant. What is Contour Interval? | Complete Guide - Civil Lead d. Is the elevation of waypoint D > or < waypoint C? Assume value is an integer variable. What is the profile view to Topographic Map #1? Lost your password? Contour lines 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. Earthwork estimations for any type of structure like bridges, dams or roads can be found out with the help of contour intervals in a map. To construct a profile, you need graph paper, a ruler, and a pencil. For interval 14, the models trained with DeepAugment elicit stronger connections between the endpoints than those without DeepAugment, but the difference is not significant enough. They also show some features made by people such as brodges. for Interpreting Topographic Maps he areas enclosed by contour lines at 5 m interval for a reservoir upto the face of the proposed dam are as shown below value of Contour lines 100,510l0,1015,1020,1025,1030,1035 Area (m2) 653/2 ,653, 653*2, 653*8, 653*18 ,653*25 , 653*40 Taking 1005m and 1035 m as the bottom most level and the highest water level achievable of the reservoir. which isotopic system should they use. far apart represent gentle slopes. 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). On most topographic maps, View Source. For small contour interval, the money required will also more as the field and office work will be more. Do Pole movements seem to be steady every 100 years or variable? How is the top of a mountain shown on a topographic map? It is impossible to determine which location is higher. A. Contour the water table data, using a contour interval of 10ft. 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? What important discovery did the researcher miss? (b) Why do you think reassociation to 1005 and 130 S particles did not work? Answered: 1. What is the contour interval of the | bartleby Map Closer distance indicates steep slope and wider distance gentle slope. slope percent = rise/run 100 Q-What is the contour interval for the topographic map shown below?Ans-Contour interval is the vertical distance between two adjacent contour lines on . Your contour lines will generally fall between the GPS points on your map, so you will need to estimate many of the contour line positions. Contour Interval - Calculation - Examples - Types - Scale - Definecivil Write your answer in feet. (1 pt) What is the longitude along the eastern edge of this rectangle? Forests across much of the United States are becoming denser. They then cross the stream and turn back along the opposite bank of the stream forming a "v". which means that every place between the marked 6800 foot line and the next If the river on this map is 1.93 miles long, what is the gradient for this river? Given that this portion of the Australian plate moves at a speed of 2.2 inches per year, how old are the snake fossils? Figure 6.13 | Coastal area topographic map. unit_3_lab_ch.odt - Question 1 (4 points) The river in this figure is Location A is higher. please add a brief explanation thank you Refer to the figure below and assume contour interval of 10 feet. What is the dc saturation current? Geology Labs 1-6 (some questions and answers, Applications and Investigations In Earth Science, Dennis G. Tasa, Edward J. Tarbuck, Frederick K. Lutgens, Chapter 42: The Physician's Office Laboratory. This is a critical skill to prepare students to learn about more complex geologic maps. You can figure out the elevation of The contour line is a line which defines the outline of an object. In which zone do the P wave velocities appear to be steadily increasing? f. Connect the Which is the code used for the design of the RCC Bridge? elevation of each index contour line. In every map, on the right-hand bottom side, the contour interval is specified. Example 2- Draw a profile showing the elevations of the contours. Location B is higher. What is the elevation of the base of the monument in meters? The contour interval is 20'. The distance between these areas is ~1.6 miles (measured along the curving distance of the non-magnified stream). Step 1. Adjacent means next to. Now difference between 7100 and 7000 is 7100 7000 = 100. Convergent (Continent-Ocean or Ocean-Ocean). The column and row indices of Z are the x and y coordinates in the plane, respectively. 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? 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. Performance Assessment of Three Continuous Glucose Monitoring Systems Lakes/Ponds. Biology, 22.06.2019 02:10. What would cause two separate samples of pure water to have slightly different pH\mathrm{pH}pH values? Refer to the hydrologic map in Figure 14.5. A. | Chegg.com How were you able to come to this conclusion? 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. contour (X,Y,Z) specifies the x and y coordinates for the values . Contour lines are used to show elevation on a topographic map. 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? B. Would you expect the gradient of the Missouri River in Nebraska to be greater or less than the gradient that you calculated for the Grape River in Colorado? For example, if a location point is between the 150 feet and 200 feet contour lines than the elevation is 175 feet (1/2 of 50 feet is 25 feet; 25 feet added to 150=175 feet). Index contours increase by 250.