Reconnaissance of the area represents a preliminary examination of the territory. It is advisable to perform after choosing a district for basic cartographic sources. Before the study, prepared the topographic base. While this captures a wider area than a study area. Let us further consider how and why is Reconnaissance of the terrain in geodesy.
Conduct reconnaissance Provides the definition of clear boundaries of the area to be mapped. The performers take into account:
Geodesic involve performing different jobs. The study site at the head of the Executive group should be formed an idea of the territory and its landscape. On photographic images with topographic base (reduced to 1:20000) it is recommended to apply the scheme of open large spaces (pastures, deforestation, etc.), firebreaks, power lines, roads. By area, provides a generalized characteristic. The territory is described from the point of view of the complexity of the mapping and interest orientation. Typically, these parameters are directly proportional. Also Geodesic involves the assessment of patency of vegetation, marshes, etc. At this stage, usually formed criteria of generalization of the different landscape components, they are split by grades. The team leader decides about the transfer of micro-objects to the map. If will be studied in Cross country, it is advisable to carry out a joint adjustment of the small area all contractors. This will allow to develop a unified approach to mapping and selection of the boundaries of generalization. The results will be used in the basis TK. The idea of the character of the territory (Cross country, marshy area, etc.) will allow to correctly assess the complexity of follow-up activities and to develop their real schedule.
His assessment – an important task of work. Reconnaissance of the area running in parallel with the analysis of the quality of the topographic base. It uses a predominantly visual method. But for strict accuracy it is recommended to take some test measurements. This procedure it is expedient to combine with recognition points, which are indicated on the topographic base level and a definition of heights for horizontal surfaces present in the territory.
For rivers and lakes the difference is not more than 0.3 5-meter section will be considered satisfactory. In such a situation as the height of the surface can be the arithmetic mean of the measurements. If the Survey location will show the difference of heights of points on the swamp greater than 1, and this parameter is consistent with the nature of the terrain, the object is not horizontal. Thus, the surface cannot be used as a base when leveling. When using the water edge, you need to remember that their parameters correspond to the lower level. Their measurement is performed in August.
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Reconnaissance of the area must develop a complete idea of what point, contours and linear guidance can be used as solid options. They call the point of having reliable high-altitude, planned (or both simultaneously) the position within the accuracy of the base map material. It is obvious that reconnaissance of the area does not allow to evaluate all points and reference points and install, they are all solid or not. First check mark, which is more likely accurate position (in accordance with the nature of creation, and topographic properties).
During the reconnaissance of the area, the decision on the necessity of imaging studies. If you need to create, that is determined by its appearance. Also prepared a plan for its laying on site, selected a solid marker that binds a justification. The results of the survey draw up a working map. It is applied to object descriptions and schemas. Of the information appropriate to reflect the original topographic base. Solid marks may be affixed red. If necessary, you may use a designation (numerical or alphabetical). Some information can be reflected in the certificate.
The Reconnaissance is performed to clarify the decision taken on the map. For plan implementation, the staff must work their plan. To do this, the commander of the regiment (division) provides guidance to the chief about the order and time of works on site. They define:
In the surveyis the study area in the offensive zone. The commander assesses its impact on the implementation of combat missions. In addition, he adds:
Rules for the conduct of reconnaissance, the contents and the number of decision points in the process will depend on the availability of the necessary time and other conditions of the situation. After the team's arrival to the territory commander executes tactical and topographical orientation. He appoints mark boundaries in depth and right to left. During a tactical orientation, the commander can hear the reports of the commander in front of the existing units, the chief of intelligence on the situation of the enemy. Thereafter, sequential decision tasks. When conducting the reconnaissance, the commander is assisted by the chief of staff or his Deputy. After completion he left to subordinates. If units are limited in time, reconnaissance can be performed from two points simultaneously. In such a situation, the commander implements it in the direction of the main blow. Deputy commander, responsible for the rear, can carry out reconnaissance in the area of the future location of the units.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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