TOPOGRAPHIC MAP INTERPRETATION

3 concepts of the north in map reading true north, grid north and magnet north

3 concepts of the north in map reading

North is geographically defined as a zero degree bearing. In geography there are three types of north True north. This is position of geographical north pole. all longitudes meets at true north. It is usually represented by star on sign of topographical map Magnetic north. This is direction to the magnetic north pole, as shown …

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Procedures you should follow to determine postion of place in the map using bearing and distance

Bearing is the expression of direction using degree of an angle. the following are procedure to be followed when determining position of the place by bearing and distance  when you asked to determine a position of A from B Obtain the map needed Consider the points A and B and identify the distance needed Measure …

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aThis is how to describe climate in topographic map

This is how to describe climate in topographic map.

Climate is average whether condition of given area recorded over very long period of time. Topographic map show little direct evidence of climatic condition. yet by looking at certain evidences one is able to describe the climate of the given mapped area. The description of climate in topographic map bases on two element of climate …

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6 advantages of vertical aerial photograph over map

6 advantages of vertical aerial photograph over map

A vertical aerial photograph is an aerial photograph technique where the shots are taken from directly above the subject of the image. Hence, this method of the aerial photography is also often referred to as “overhead aerial photograph.  the map is a scaled representation of part or whole of the earth’s surface on flat surface …

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How to describe vegetation distribution in topographic maps

Vegetation is the collective name for plants in particular area. it can be natural (man have not planted them) or artificial(planted by man) The natural vegetation can be categorized intoForest Grassland  Marshy and swampy vegetation ThicketsRiverine treesWoodland Scrubs In topographic map the distribution of natural vegetation  is shown by conventional symbols. This means they are all listed on …

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How to describe drainage in topographic map

How to describe drainage in topographical map

Drainage is the outflow of water through the system of natural rivers The following are hints to follow when you describe drainage in topographical map Divide the map into drainage basins using compass directions. Note that the drainage basin is an area drained by single river system. In each drainage basin explain the drainage pattern …

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