How Do You Read A Topographic Map
For example the topographic symbol used on your map to represent a school would be a small black rectangle with a pennant drawn on the top. This contour and elevation information distinguishes them from other maps.
Topo Tips
25092017 To read topographic maps you can assess the contour lines as well as the colors and symbols on the map.
How do you read a topographic map. On the bottom of your map state the ratio scale and also draw the graphical scale hint. On one puzzle piece youll find the actual width of the piece in miles mi. One side of a contour line is uphill and one is downhill.
17102017 Studying a topo map of a familiar area is a great way to learn how to match terrain features with the contour lines on a map. When planning out a hike one of the most important things to pay attention to is how close the contour lines are spaced. The scale on any topographic map will tell you how many miles or fractions of a mile one inch represents.
The smaller the scale the more detail the map has. People generally pronounce topographic as TA-PAH-graphic and topo as TOE-PO. Draw a line on the map that is.
Below the title you will notice the words 75 minute map. 08042020 Look in the margin of your map to find out its contour interval. When you are navigating a topographic map can show you where you are what route to take and which ways are dead ends.
08042020 In a nutshell topographic maps allow you to see a three-dimensional landscape on a two-dimensional surface. Your map legend defines the topographic symbols the mapmakers have used to identify the man-made and natural features on the map Figure 47. Method 1 Assessing the Contour Lines Download Article.
Tightly packed contour lines steep increase or decrease in elevation STEEP TERRAIN. You can look at a topographic map and quickly see where the hills rivers peaks and valleys are. At some point along that line its exact elevation is listed.
Because its impractical to mark the elevation of every contour line on the map the index contour lines are the only ones labeled. Every fifth contour line is a thicker index line. 11022019 On topographic maps every fifth contour line is in bold called an Index Line where youll find the elevation indicated.
A topographic map can be easy to read once you know the details. 27072014 When reading a topographic mapthere are a couple of things you should remember about the contour lines. Watch the video its quite good Every point of the same contour line has the same elevation.
You can then orient yourself using the map so you do not get lost or turned around. Alternate Lab 6- Reading Topographic Maps Exercise A. To make topographic maps easier to read every fifth contour line is an index contour.
Topographic maps are a little different from your average map. Safety How YouTube works Test new features Press Copyright Contact us Creators. This means that the map covers an area of approximately 75 minutes of latitude and longitude.
Once you get the hang of reading them they help you visualize three-dimensional terrain from. You would read it as 35 degrees 15 minutes north latitude and 111 degrees 30 minutes west longitude. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy.
Use this known distance and the actual width of the puzzle piece to determine the ratio scale and graphical scale of your map. First look for the maps scale which will let you know how much detail the map contains. These maps show the lands contours elevations mountains valleys bodies of water vegetation and more.
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