TOPOGRAPHIC MAP INTERPRETATION

3 CONCEPTS OF NORTH IN MAP READING

3 CONCEPTS OF 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 the position of the geographical north pole. all longitudes meets at true north. It is usually represented by a star on the sign of the topographical map Magnetic north This is the direction to …

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HOW TO DETERMINE THE POSITION OF PLACE IN A MAP USING BEARING AND DISTANCE

HOW TO DETERMINE THE POSITION OF PLACE IN A 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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4 FEATURES OF THE STATEMENT SCALE

4 FEATURES OF THE STATEMENT SCALE

Statement scale is the type of map scale expression in which scale is expressed in form of a written statement, for example, one centimeter on the map represents ten kilometers on the ground. This can also be expressed in short as 1cm represent 10km or 1cm to 10km. The following are features of statement scale; …

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HOW TO DESCRIBE CLIMATE IN TOPOGRAPHICAL MAPS

HOW TO DESCRIBE CLIMATE IN TOPOGRAPHICAL MAPS

Climate is the average weather condition of a given area recorded over a very long period of time. The topographic maps show little direct evidence of the climatic conditions. yet by looking at certain evidence one is able to describe the climate of the given mapped area. The description of climate in the topographic map …

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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 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 a flat surface …

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HOW TO DESCRIBE VEGETATION DISTRIBUTION IN TOPOGRAPHICAL MAP

HOW TO DESCRIBE VEGETATION DISTRIBUTION IN TOPOGRAPHICAL MAP

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 into Forest Grassland  Marshy and swampy vegetation ThicketsRiverine treesWoodland Scrubs In the topographic map, the distribution of natural vegetation is shown by conventional symbols. This means they are all …

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HOW TO DESCRIBE DRAINAGE IN TOPOGRAPHICAL MAP

HOW TO DESCRIBE DRAINAGE IN TOPOGRAPHICAL MAP

what is drainage Drainage is the outflow of water through the system of natural rivers what is drainage pattern? A drainage pattern is a layout that a river and its tributaries, or set of rivers, make on the earth’s surface. Some of the common river drainage patterns include dendritic river pattern, trellised river pattern, radial …

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