Possibilities of geoinformational analysis for assessment of the state and directions of development of geodetic support of the territory of Ukraine

IF 0.3 Q4 REMOTE SENSING
R. Bespalko, Ivan Kazimir, T. Hutsul
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Abstract

Abstract Topographic, geodetic and cartographic activities are one of the main activities for the effective development of the economy, science of strengthening national security and defense. It is a set of management, production, scientific and educational activities for the storage and communication to users of geodetic and cartographic information and data. The article considers one of the segments of this activity – the state of geodetic support of the territory of Ukraine and its assessment according to official data on the possibility of creating topographic maps and plans of scale 1:25 000 – 1:2000 in compliance with applicable regulations. To carry out the assessment, around the points of the State Geodetic Network of Ukraine (DGM) buffer zones of radii of circles of standard sizes were constructed, zoning of the territory with Thissen-Voronoi polygons and covering of the territory in the form of a hexagonal grid were done by means of ArcGIS. The results of the current assessment as of 2022 conducted by three methods are summarized in the table in terms of oblasts of Ukraine. The data obtained are compared to the previous assessment conducted five years ago. Changes in the state of geodetic support have been identified and their objective reasons explained. The advantages and disadvantages of each of the proposed methods of geoinformation analysis of the assessment of the state of geodetic support of the territories are given. It is established that the combination of different methods will allow to use the existing points of DGM with greater efficiency and to substantiate the priority places for further development of the network. The complex of scientific and applied works related to the modernization of the state geodetic network will allow to quickly and locally develop a network based on satellite and computer technologies and create and present digital cartographic information at the modern scientific and technical level in accordance with current needs.
为评估乌克兰领土大地测量支助的状况和发展方向进行地理信息分析的可能性
摘要地形、大地测量和制图活动是有效发展经济、加强国家安全和国防科学的主要活动之一。它是为存储和向用户传播大地测量和地图信息数据而进行的一套管理、生产、科学和教育活动。本文考虑了该活动的一个部分-乌克兰领土的大地测量支持状况及其根据官方数据对根据适用法规制作1:25 000 - 1:2000比例尺的地形图和计划的可能性的评估。为了进行评估,在乌克兰国家大地测量网(DGM)的点周围构建了标准尺寸圆半径的缓冲区,使用Thissen-Voronoi多边形对领土进行分区,并通过ArcGIS以六边形网格的形式覆盖领土。截至2022年,通过三种方法进行的当前评估结果总结在表格中,以乌克兰各州为单位。获得的数据与五年前进行的上一次评估进行了比较。已经确定了大地测量支撑状态的变化,并解释了其客观原因。给出了各提出的地理信息分析方法在领土大地支撑状况评估中的优缺点。经证实,不同方法的结合,可更有效地利用现有的DGM点,并确定网络进一步发展的优先地点。与国家大地测量网现代化有关的科学和应用工作的综合体,将使以卫星和计算机技术为基础的网络能够快速和本地发展,并根据当前需要创建和提供具有现代科学技术水平的数字地图信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
自引率
28.60%
发文量
5
审稿时长
12 weeks
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