The primary purpose of a topographic map is to accurately represent the shape of the Earth’s surface, but the utility doesn’t stop there. The ability to fuse these major factors is the most critical skill one can learn when using a topographic map. This contour and elevation information distinguishes them from other maps. These maps show the land’s contours, elevations, mountains, valleys, bodies of water, vegetation and more. In a nutshell, topographic maps allow you to see a three-dimensional landscape on a two-dimensional surface. And that means you need to be able to read a topographic map.Ĭommon Topographic Map Symbols: What’s the difference between a topographic map and a regular map? But if you’ve strayed from the road, perhaps on a backpacking trek, you need to see the terrain and the contours of the land. ![]() If you’re trying to drive from Point A to Point B, a regular road map is a way to go. Types of contour lines Reading a topographic map worksheetĭifferent maps serve different purposes. The most frequently used topographic map is at a scale of 1:50 000. The topographic map is a two-dimensional representation of the Earth’s three-dimensional landscape. Finally, it covers how to estimate slope, aspect, acreage, distances, and percent contained using a topographic map Types of contour lines What is a topographic map?Ī topographic map is a detailed and accurate illustration of man-made and natural features on the ground such as roads, railways, power transmission lines, contours, elevations, rivers, lakes and geographical names. Then it describes how to interpret contour lines. ![]() ![]() This chapter starts with tips on how to read the margins of a topographic map. Colors and symbols are used to represent other features on the land, such as water, vegetation, roads, boundaries, urban areas, and structures. Contour lines represent the shape and elevation of the land, such as ridges, valleys, and hills. Types of contour lines: How to Read a Topographic Map? Common Topographic Map Symbols.Ī topographic map is printed on a flat piece of paper yet it provides a picture of the terrain and manmade features through the use of contour lines, colors, and symbols.
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