Finding Elevation and contour intervals Quiz - Quizizz What is Contour Interval? the entire earth to a city block (or less). Select a countryland IslandsAfghanistanAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelauBelgiumBelizeBeninBermudaBhutanBoliviaBonaire, Saint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongo (Brazzaville)Congo (Kinshasa)Cook IslandsCosta RicaCroatiaCubaCuraaoCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland IslandsFaroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard Island and McDonald IslandsHondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIsle of ManIsraelItalyIvory CoastJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacao S.A.R., ChinaMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorth KoreaNorwayOmanPakistanPalestinian TerritoryPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalQatarRepublic of IrelandReunionRomaniaRussiaRwandaSo Tom and PrncipeSaint BarthlemySaint HelenaSaint Kitts and NevisSaint LuciaSaint Martin (Dutch part)Saint Martin (French part)Saint Pierre and MiquelonSaint Vincent and the GrenadinesSan MarinoSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia/Sandwich IslandsSouth KoreaSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan MayenSwazilandSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited Kingdom (UK)United States (US)UruguayUzbekistanVanuatuVaticanVenezuelaVietnamWallis and FutunaWestern SaharaWestern SamoaYemenZambiaZimbabwe, By registering, you agree to the Terms of Service and Privacy Policy .*. trend up valleys and form a "V" or a "U" where they cross Closer distance indicates steep slope and wider distance gentle slope. The Wadati-Benioff zone is associated with which type of plate boundary? 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). What shape are the contour lines that cross a valley or stream? What is a topographic map? | U.S. Geological Survey any point by finding the nearest labeled line, counting the number of lines What is the tolerance for compression test results of concrete, according to the standards? You will receive a link and will create a new password via email. do not cross each other, divide or split. Why would a smaller ratio scale be used for this map in comparison to the Garibaldi map? How far have the snake fossils moved apart since they were originally deposited? 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. 3. At 2900 Km the S wave velocity falls to 0. Geology Ecore Midterm Flashcards | Quizlet Using a contour interval of 40 m, label the elevation of every contour line on the map below. topographic profiles: Remember that topographic maps represent In this case, to find out the intermediate points elevation, contour intervals are used. A high relief. What is the dc saturation current? Answer the following questions about these waypoints, based on your best guess estimate of the elevation of each waypoint. f. Connect the Why is mass so important to a stars life? Please use Occams razor as you answer the questions: use the simplest explanation rather than the most complicated explanation to answer the question. During the flood event of 9/23/2009, the discharge measured at this gaging station was 21,200 cfs. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. Look closely at the topography south of highway, and it changes abruptly. Definition of Contour: A contour or a contour line may be defined as the line of intersection of a level surface with the surface of ground. Considering the size of the area to be mapped, contour intervals are assumed. Answered: Question 5 From a topographic map, the | bartleby 300 A. The calculation of the contour intervals is as below: Firstly locate 2 index contour lines that are labeled with a specific elevation. Contour lines tend to enclose the smallest areas on ridge tops, which are often narrow or very limited in spatial extent. Topographic Map Quiz | Earth Sciences Quiz - Quizizz A contour interval in surveying is the vertical distance or the difference in the elevation between the two contour lines in a topographical map. Controls the size of characters in the contour labels; default is 0.08". The difference in elevation between one contour line and the next. a. amacrine cells b. photoreceptors c. bipolar cells d. retinal ganglion cells, In Figure 1.8, which of the following rock layers is. 400 D. N a) point A 00 D. N a) point A b) point D c) point B d) point within the sequence is a distinctive clay layer that under closer inspection is fine grained volcanic ash. 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. What is the latitude for the southeast corner of the map? To use the same interval for both x and y , specify xyinterval as a two-element vector of the form [min max]. Lost your password? In which stage of the cycle of stream erosion is this area? Zoom out and examine the surrounding area, what geological hazards are likely in the area? Australia and Antarctica separated after the break-up of Pangaea. Figure 2 is the cross section along line AB. 17. What does this type of drainage pattern indicate about the area? . A standard topographic map uses contour linesto express elevations above sea level and show the shape of the land. Essentially a topographic profile is a side image of a topographic map, but the image is only a representation of the area shown on the line on the topographic map (line A-B on Figure 3.6). Q. slope percent = rise/run 100. Where do the P waves abruptly change? Is the school likely to be at risk of contamination from this same leak? At the point where 2 contour lines would cross would have 2 different elevations which is impossible. Contour So contour interval = 790 m-780 m=10 m. For further query, add a comment. The zone from 20-2900 Km represents the earth? For Ex: If the number of lines between 2 index lines are 5. Now look farther south of Sloans Crossing at Hwy. 14. which isotopic system should they use. Contour lines See the example under CONTOUR/SPACING below. Sharp contour points indicate pointed ridges. 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. What type of drainage pattern would this area represent? LAB EXERCISE 9.2 Determining Elevations from Topographic Maps - Quizlet To determine the elevation of a point on a topographic map: The highest point of the rim of the crater is about 350. 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? 68 and south of the Edmonson County Line. Contour plot of matrix - MATLAB contour - MathWorks 30 seconds. Absolutley amazing app and would definitely recommend. What do close contour lines represent on a map? d. Prepare a vertical Sharp contour points indicate pointed ridges. 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. What would happen to the mantle rock at point X if water is added to it? For 1:25 000 scale maps the interval between contours is usually 5 metres, although in mountainous regions it may be 10 metres. What is the term for the geologic feature called Carter Lake? Refer to the figure below. Determine the direction of the slope (aspect) from the index contour line to your location by drawing an arrow from the index contour line to the next higher elevation contour line. Join TheConstructor to ask questions, answer questions, write articles, and connect with other people. What is the latitude for this monument? Refer to the hydrologic map in Figure 14.5. A. | Chegg.com hillslope: For small scale maps covering a wide area of varying terrain, For rough topographical map meant for initial assessment only, If a detailed map is to be prepared for execution work, If the ground has large variation in levels, for instance, hills and ponds, No measurement or scaling is required since the contour levels are indicated on the contour lines, The distance must be measured on the map and converted to actual distance by multiplying with the scale of the map, In a given map the contour interval is a constant, The horizontal equivalent varies with slope. Use the slope percent equation and solve. Refer to the figure below and assume contour interval of 10 feet. Contour interval: The change in elevation from one contour line to the next is always the same within the same map.Many maps have either a 40- or 80-foot contour interval: An 80-foot interval simply means that each contour line is 80 vertical feet away from . (The benchmarks have an "x" to locate the spot where the elevation was surveyed). Which gas station is the most likely source of the gasoline leak? What features would you expect to occur at this type of boundary? . North 3050 4000 ft 1 km 3050 1:25,000 A. Contour interval 10 TOPOGRAPHIC MAP EXERCISE - Wenatchee Valley College To show information. Contour lines are used to show elevation on a topographic map. Measure the gradient to the index contour past the word Creek (the last contour before it reaches Arkansas River). Chapter 3 Topographic Maps by Karen Tefend and Bradley Deline, CC BY-SA 4.0. f. Is the elevation of waypoint C > or < waypoint B? 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? Sensor stability as characterized through mean absolute differences (MARD) on every study day including only sensors inserted on study day 1. In every map, on the right-hand bottom side, the contour interval is described. 10,500-10000=500 feet Between these two contour lines if we count, there are 10 counter lines. The other side is covered with a layer of fiberglass 2.5cm2.5 \mathrm{~cm}2.5cm thick. slope percent = (120ft / 1000ft) 100 = 12% Answered: Please draw he contour line of the | bartleby far apart represent gentle slopes. 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\)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), Answers to Practice Lab Exercises, Parts A and B, status page at https://status.libretexts.org, Contour lines represent lines connecting points of equal elevation above sea level, Contour lines never cross, split, or die off, Contour intervals must be obeyed, therefore the contour lineelevations can only be multiples of the contour interval. Examine the map below to answer the question. A topographic profile is a cross-sectional view . Table of Contents and lab manual chapter pdf files for download, Overview of Canadian Geology and Mineral and Energy Resources, 4. What can be said about level surfaces of \varphi? Likewise the "40" contour connects depths of 40 ft below sea level and so on. Why is this so? 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. In the context of evolution through natural selection, explain why multicellular organisms have specialized exchange systems and surfaces. 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. 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? If the map has 40-foot contour intervals, then Point A is located at 3,000 feet, and Point B is located at 2,840 feet. When the contour interval is not specified in the map, it can be calculated as explained in the following sections. A contour interval is a vertical distance or difference in elevation between contour lines. For this computation, the rise, or vertical ground distance, and run, or horizontal ground distance, are needed. Salmon River This map is a geologic map of glacial geology in the area, drawn Are the rocks likely tilted and folded or horizontal? Index contour lines: Every fifth contour line is a thicker, "index" line.At some point along that line, its exact elevation is listed. The smallest circles represent the 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. (a) Suggest what the 100S100 \mathrm{~S}100S and 130S130 \mathrm{~S}130S particles might represent, in light of current knowledge of protein synthesis. Betwe View the full answer Transcribed image text: What is the contour interval for the figure below? Here two contour line, side by side are 790 m and 780 m. Between them there is no contour line. We further visualize the globally normalized responses of each convolution filter on the image of grating interval 6 in Figure 5 B. Compare the contour intervals from the Royal Gorge, Colorado map (map 5.1) to the Omaha N, Nebraska-Iowa map. Closely spaced Please hand in this lab to your TAs at the end of the lab period. These circular patterns indicate hilltops, like in the diagram below (Figure 3.6). Slope Worksheet- Use the information from the example above and complete the slope worksheet. The direction system is useful but imprecise. In every map, on the right-hand bottom side, the contour interval is specified. 250/5 = 50. How are the tops of hills, mountains or depressions (dips) shown on a topographic map? A person standing at point "F" would only be visible to a person standing at: Examine the figure below. 46, black arrow). Write your answer in feet. Write your answer in feet. 1) The contour interval between contour is 40m. The older unconformity is a Nonconformity, while the younger is a Disconformity. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. indicate what information is contained on a topographic map, and where it can Performance Assessment of Three Continuous Glucose Monitoring Systems They are usually mapped with large contour intervals. If you were standing in the middle on the intermost contour line hill "c", your elevation would be. 11. The figure above illustrates a depression and its representation using contour lines. than 6760 feet, but less than 6800 feet. 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. in the southern portion of the map, the area is underlain by limestone. Start climbing from the foot of a hill toward the top, this is called a rising slope (see Fig. 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. What is the elevation of the base in feet. Write your answer in feet. Determining How far did the pole move? Scale: Maps come in a variety of scales, covering areas ranging from A contour interval in surveying is the vertical distance or the difference in the elevation between the two contour lines in a topographical map. The rendition of this topography as an isoline (contour) map from an overhead perspective is shown directly below. 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). These features you are seeing are linear valleys. Now difference between 7100 and 7000 is 7100 7000 = 100. What Is Contour Interval ? : Steps Of Calculating, Characteristics Notice the tick marks pointing toward lower elevation. PDF 2-1. BATHYMETRIC CHARTS - UMass D The zone from 5100-6400 represents the Earth's ? Possible contours include 500', 520', 540', 560', 580', 600', 620', etc. What is the relief of the area in the map? Introductory Physical Geology Laboratory Manual First Canadian Edition (v.3 - Jan 2020) by Joyce McBeth; Karla Panchuk; Tim Prokopiuk; Lyndsay Hauber; and Sean Lacey is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License, except where otherwise noted. slope of the area you are interested in by subtracting the lowest elevation which Geologic Law did you use to come to the conclusion you made in the previous question? example. What direction is the North American plate moving in comparison to the Pacific Plate at this location? Topographic Generally, there are various contour intervals for the various maps. If you go from the river at (36 05 35.38 N 113 14 43.70 W) Straight up north the canyon rim Widely separated contour lines indicate a gentle slope. Each dot represents an elevation number, spaced evenly at 100 m in the horizontal. interval. on a map that are produced from connecting points of equal elevation (elevation the result from the nearest marked contour line. Lines or isolines on a map that connect points with the same elevation. You can figure out the elevation of Because the stream flows south, contour a, which lies downstream of contour b, must be the lower of the two. What does each contour line on a map show? 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. Refer to the topographic map in Figure 7-E3 for an example of contour lines you can use to help you complete this question. The elevation at sea level is zero meters. Topographic maps STAAR Review | Topography Quiz - Quizizz Information Given that this portion of the Australian plate moves at a speed of 2.2 inches per year, how old are the snake fossils? 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. Clear up mathematic tasks. If you were standing in the middle on the intermost contour line hill "c", your elevation would be. Mountain/Hill Depressions Then, find the difference in elevation between the two points. (5 pts) Figure 7-E4 shows five waypoints (A, B, C, D, and E) on a topographic map. which means that every place between the marked 6800 foot line and the next 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. The selection of the contour interval is decided by the survey leader before the start of the mapping process depending upon the ground factors. Use the index contour just above the "m" in Temple Canyon for your initial spot. When you join you get additional benefits. The Zone from 0-20 km represents the earths? Lakes/Ponds. ATMO336 - Spring 2021 - University Of Arizona
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