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THE USE OF GIS IN THE DELIMITATION OF THE SURFACE WATER BODIES (HOMOGENEOUS HYDROGRAPHIC BASINS)

Gabriela Biali

First published: 2018-06-20https://doi.org/10.5593/sgem2018/2.3/s11.084View metrics

Abstract

This paper studies a hydrographical space with an area of approx. 20,000 km2, located in the NE of Romania. The main objective of the study is to identify and delimit the water bodies (hydrographic microbazins) within the Prut hydrographic basin. This aspect is very important, in order to determine their status, establish future objectives regarding water management and improve or maintain a certain existing status. The methodologies developed by A.N. Apele Rom?ne Bucharest were used for the classification and delimitation of surface water bodies in types. In the study, the use of the GIS technique was very useful, considering the variety and spatialisation of the factors underlying the classification and delimitation of water bodies. This was done in the study, by using the ArcGIS 9.2 platform. The basic data used in this study came from the cadastral plans and the hydrographical maps of the studied area, as well as from ortho-photo-plans for the correction and updating of the graphic information. The attribute database was created and updated from the archive of D.A. Prut and field investigations. There have been used situation plans from the analogical archive, as well as Ortho-photo-plans for the period 2012-2017 and data retrieved by means of drones for setting (checking) the delimitation of borders. By applying this methodology, we found out informational layers with delimitation of water bodies, based on a classification according to the criteria to be presented in this paper. Approaching and solving this issue through GIS techniques is required and justified primarily because of the multitude of geographic spatial factors. The GIS approach to this type of analysis is extremely useful, because it allows tracking rapidly the evolution of the watercourse situation, making it easy to modify the intervening parameters and with immediate implications for the ensemble, in an incomparably shorter time than required by traditional methods

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Publication details

Title
THE USE OF GIS IN THE DELIMITATION OF THE SURFACE WATER BODIES (HOMOGENEOUS HYDROGRAPHIC BASINS)
Authors
Gabriela Biali
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Informatics, Geoinformatics and Remote Sensing
Publisher
STEF92 Technology
Year
2018
Pages
665-672
SWS Citekey
BIALI201811665672
ISSN
1314-2704
ISBN
978-619-7408-41-6
Language
en
Publication type
Conference Paper
Keywords
Microbazine River (bodies of water)spatial criteria analysisGISgraphic database
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