TECHNOLOGY OF GEODESIC WORKS IN THE INVENTORY OF GREEN SPACES USING UNMANNED AIRCRAFT
DOI:
https://doi.org/10.33042/2522-1809-2022-3-170-263-270Keywords:
geodetic works, green spaces, inventory, unmanned aircraft, satellite technologies.Abstract
The article is devoted to the study of the technology of inventory of green areas with the use of the latest technologies: unmanned aircraft and satellite navigation systems. The topic of the article is relevant, because reliable and up-to-date information on the quantitative and qualitative state of green spaces of settlements is obtained during their inventory and arrangement. As a result of conducting an inventory for each green economy object, a passport of the green economy improvement object is drawn up. The following documents are attached to the passport: an inventory plan on a given scale and a working diary of accounting for greenery. One of the links in the inventory of green spaces of the settlement is sub-field survey, which is currently performed using unmanned aerial vehicles and satellite technologies and in turn consists of topographic and geodetic and aerial photography, and is divided into the following stages: information collection; preparatory work; chamber work. At the stage of collecting information on the object of work, the available urban, land management, geodetic and cartographic materials are analyzed. The second stage – preparatory work, consists of field surveying and aerial photography. Field geodetic works include reconnaissance of the area and the development of plan-height substantiation of the aerial survey area. Field aerial photography consists of creating a flight project, pre-flight training of a quadcopter and direct aerial photography. In-house works are the third final stage, which consists of: processing of aerial photographs; creation of a polygonal terrain model; creation of orthophoto in scale 1: 500; creation of a topographic plan in the Digitals software package; reconnaissance of the area to clarify the spatial and attributive data on greenery; creation of the adjusted topographic plan of inventory of green spaces. It is also recommended to make adjustments to the obtained topographic plan, during which the position of trees in places where a large error was detected and outlines were formed was measured by linear notches with reference to rigid contours. At the same time it is necessary to clarify the species of trees according to the symbols. The digital information obtained in this way about green plantations can be used to calculate the cost of work on the development of the passport of the facility and inventory plan for a given area or create and develop geographic information portals of green areas of individual territories or settlements.
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