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CREATION AND MAINTENANCE OF THE LOCAL GEODETIC SUPPORT NETWORK IN THE VILLAGE OF “SPARITE”
Abstract
Geodesy is a very ancient science. The beginnings can be found in Egypt. The field ofscience is closely related to astronomy, geophysics, geology, geometry, etc. Planet Earthis in the process of evolution. Earth’s crust together with the upper mantle is incontinuous motion: horizontally and vertically. Movement of the Earth’s crust as aresult, lithospheric plates move, creating mountains and valleys, changing coastlines,changing sea and ocean levels. Earth’s internal and external (Sun and Moon) forcesresult in deformations over time. The field of geodesy studies global, national, regionaland local issues. Earth’s shape and dimensions, gravity field, orientation in terrain map,coordinate systems and reference frames. Geodetic, gravimetric and magnetometricmeasurements are used for practical and scientific geodetic tasks. Geodetic networks arecreated for the reduction of measurements into the most uniform coordinate system.Geodetic networks consist of a set of geodetic points with the same type ofcharacteristics, determined as a result of mutual measurements. Geodetic surveying is ofgreat practical importance in construction, cadastral surveying, urban planning, mining,logistics planning, navigation, and military works. The structure and homogeneity ofgeodetic networks in a city or a village allow to observe and monitor the situation over aperiod of time. Model and design a geodetic network according to the practical task.The aim of this publication is to develop a village geodetic network project for part ofthe Gulbene city (village “Sparite”). There are several tasks - to understand theimportance of geodetic networks in national economy; to find out the division of thegeodetic network in Latvia; to get to know and describe the development of geodeticnetworks and the current situation in Gulbene county.
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