Contour Lines Meaning In Geography

These points lie therefore upon a horizontal plane at a given elevation passing through the land shown on the map and the contour-line is the intersection of that horizontal plane with the surface of the ground. If you trace the length of a line with your finger each point you touch is the same height above sea level.

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Usually its sides will be quite steep but its top will slope gently downwards.

Contour lines meaning in geography. CONTOUR-LINE CONTOUR a French word meaning generally outline from the Med. A contour is a line drawn on a map that joins points of equal height above sea level. They are usually an orange or brown colour.

When they are far apart it means the land is gently sloping or. Contour interval refers to the difference in height example they are drawn at every meters. The spacing of the contours lines on the map shows the steepness of slopes.

For 125 000 scale maps the interval between contours is usually 5 metres although in mountainous regions it may be 10 metres. Close together means that area is steep widely spaced lines indicate that area is very flat. You can spot a spur on the map quite easily - it looks like a long narrow tongue of contour lines dropping away from a mountain top or a ridge.

The vertical distance between the elevations represented by adjacent contour lines on a map. Contour line a line on a map representing an imaginary line on the land surface all points of which are at the same elevation above a datum plane usually mean sea level. A line on a map that shows points that are of equal heights above sea level Examples from the Corpus contour Science in this sense came to stand as a meta-discourse framed by the broader contours of the conjuncture.

This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields which describe and identify spatial dimension geographic locations topographical features natural resources and the collection analysis and visualization of geographic dataFor related terms see Glossary of geology and Glossary of environmental science. In cartography a contour line often just called a contour joins points of equal elevation height above a given level such as mean sea level. Contour ˈkɒntʊə ˈkɑːntʊr noun countable 1.

These are lines drawn on maps that join places of the same height. For a quick definition a contour line joins points of equal and constant values. How contour lines show a pair of small hills.

Physical Geography a line on a map or chart joining points of equal height or depth. The contour lines join up areas of the same height and when they are close together it means the hill or mountain is steep. The space also represents the shape of the slope.

Contours are lines on a map that join the same height. If you were to walk the path of a contour line in real life you would remain at the same elevation the whole hike never traveling up or down. For example contours on an elevation have constant heights that are the same on each line.

Isolines also referred to as contour lines can be used to represent elevation on a map by connecting points of equal elevation for instance. Collins English Dictionary Complete and Unabridged 12th Edition 2014 HarperCollins Publishers 1991 1994 1998 2000 2003 2006 2007 2009 2011 2014. As with all isolines when contour lines lie close together they represent a steep slope.

When the spacing reading from high to low decreases the slope is convex curved like a circle. These imaginary lines provide a good visual representation of the terrain. Lines far apart represent a gradual slope.

Definition of contour interval. Contour lines on a map illustrate the height of. The shape of the outer edges of something such as an area of land or someones body the contours of the hills the contours of her face 2 also contour line SG.

Put simply contour lines mark points of equal elevation on a map. Table of Contents show Are these contour lines mountains or depressions. N Physical Geography the difference in altitude represented by the space between two contour lines on a map Collins English Dictionary Complete and Unabridged 12th Edition 2014 HarperCollins Publishers 1991 1994 1998 2000 2003 2006 2007 2009 2011 2014.

Some contour lines have their height above or below sea level written on them. A contour map is a map illustrated with contour lines for example a topographic map which thus shows valleys and hills and the steepness or gentleness of slopes.

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