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Contours
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- Many maps of land areas have series of curved lines, called contours, that represent the topography of the area. Such a map is called a topographic map. A contour is a horizontal curve that’s the locus of all points on the map with the same elevation (Figure 3-35).
Topographic maps have many uses in science and engineering, business, government and everyday life. Study with Quizlet and memorize flashcards containing terms like Topographic maps, Contour Lines, Contour Interval and more.
- Topographic Map Flashcards
topographic map. maps that use contour lines to show...
- Topographic Maps Quiz Flashcards
Study with Quizlet and memorize flashcards containing terms...
- Topographic Map Flashcards
topographic map. maps that use contour lines to show elevation. they will tell you whether an area is steep or level. contour lines. curved lines on a topographic (bathymetric) map that indicate all the points where the elevation is the same. legend.
Study with Quizlet and memorize flashcards containing terms like What does a Topographic Map show?, What is relief?, Higher Relief= and more.
- Map Parts, Orientation, & Scale
- Using Contour Lines to Interpret Topographic Maps
- Drawing Contour Lines and Topographic Profiles
A map is a plan view (viewed from above, also known as map view) representation of an area on Earth’s surface. Topographic maps are maps that illustrate the topography (vertical shape, such as hills) of the mapped region. Geological mapsare maps that illustrate the rock types, rock ages and other geological features of the mapped area. Every map ha...
Contour linesallow us to add a vertical dimension to a plan view map. Contour lines represent elevations above sea level at specific intervals within a map area. Since each individual contour line connects points of equal elevation, if you were to follow a contour line across a map area in the real world you would be walking at the same elevation w...
Rules for Drawing Contour Lines
Constructing a topographic map is simple if you remember the following rules as you draw in contour lines on a map: 1. Contour lines represent lines connecting points of equal elevation above sea level. You can think of contour lines like fences separating lower elevations from higher elevations. 2. Contour intervals must be obeyed, therefore the contour line elevations can only be multiples of the contour interval. E.g., If the contour interval is 20 m, you can have contour lines at 20 m, 40...
Topographic Profiles
When working with topographic maps, sometimes it is useful to examine the landscape in profile. A topographic profileis a vertical cross-section or side image through a map that allows us to see how the topography varies along a line through the map. In Figure 6.11, the upper part shows a topographic map of a hill that contains two separate hill tops, and the bottom picture shows a topographic profile representing the profile along the line A-B on the map. Notice that the topographic profile...
- Karla Panchuk
- 2020
What are the curved lines on a topographic map called? The gradient between location A and location B is approximately. What is the approximate gradient from point A to point B on the island? What is the approximate gradient from point A to point B on the map?
Aug 18, 2022 · Topographic Contours. Many maps of land areas have series of curved lines, called contours, that represent the topography of the area. Such a map is called a topographic map. A contour is a horizontal curve that’s the locus of all points on the map with the same elevation (Figure 3-35).
Understanding Topographic Maps. A topographic map, simply put, is a two-dimensional representation of a portion of the three-dimensional surface of the earth. Topography is the shape of the land surface, and topographic maps exist to represent the land surface.
