Notes

The Functions Of A Topographic Survey
A topographic survey is normally performed by a group of geologists with the goal of producing two-dimensional maps which represent three-dimensional components of the landscape. The features commonly included are both natural and man-made objects, such as mountains, lakes, trees, dams, buildings and roads. These diagrams may also be known as relief maps.

The cartographers use contour lines, symbols and colors as representations for different land elements, including elevation and depressions. The line, polygon and point are the three main symbols incorporated into topographical diagrams. Small structures such as for example buildings are represented by dots. Straight, curved and dotted lines are accustomed to depict linear items such as roads, railways and rivers. Wide expanses of water are often indicated by blues, dense forests with greens.


Contoured lines spaced apart at specific intervals can be employed to illustrate sharp slopes, deep trenches and tall mountains. The more closely spaced lines symbolize steep hills, while widely spaced lines denote gentle slopes.

There are https://surveyorwarwickshire.co.uk/best-topographic-surveyors-warwickshire/ used through the creation of relief diagrams. The direct inspection of a site has been a consistent practice because the earliest known topographical map was created by america Geological Service in 1876. Visiting sites can offer the map-making teams with important confirmable data points.

Because the 1940s, aerial studies have also provided valuable resources to cartographic teams. The development of the ability to take photographs from airplanes and helicopters has helped expand the detail and accuracy of relief charts.

A highly effective topographic survey can lead to the creation of very helpful pamphlets. Campers, engineers, hikers, students among others can have the advantage of exploring the natural and artificial land top features of areas without being required to visit the sites personally. Among other uses, access to landscape details are a good idea when planning vacations, analyzing weather patterns or considering construction projects.

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