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ANTHROPOGENIC IMPACT ON THE RESOURCES AND COMPOSITION OF GROUNDWATER IN THE NORTH-WESTERN SLOPE OF THE MOSCOW ARTESIAN BASIN

Ekaterina Leonteva

First published: 2018-06-20https://doi.org/10.5593/sgem2018/1.2/s02.008View metrics

Abstract

The article discusses the features of formation and distribution of groundwater in the north-western slope of the Moscow artesian basin in the European part of Russia. Location of the north-western slope area is based on ecological-hydrogeological zoning. The aim of the case study is to examine the anthropogenic impact on groundwater resources and quality for two main aquifer systems of the Moscow artesian basin: Gdov aquifer and Intermorainal aquifer system. The investigation based on analysis of groundwater monitoring data including information about groundwater levels, chemical composition and water extraction volumes since 1945. The analysis of changes in the hydrodynamic and hydrochemical conditions is given. The main hazard related to change in geostatic pressure in consequence of groundwater level fluctuation. Change the regime of groundwater levels can cause groundwater breakouts into pits and trenches under the buildings and structures and associated therewith strains of foundations of the buildings in the areas of intense construction. The areas of palaeovalleys, containing locally eroded water-resistant sediments, are most exposed to anthropogenic pollution. Depending on the specific hydrogeodynamic situation contaminated water may flow down from the upper aquifers or the saline water of the lower aquifer flow up to the overlying aquifers. Based on the research recommendations for exploitation of aquifer systems in the north-western slope of the Moscow artesian basin are given. The necessity of building up monitoring the regime of groundwater levels, prognostic evaluation of change of hydrogeological conditions and strengthening of groundwater protection is proved.

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Publication details

Title
ANTHROPOGENIC IMPACT ON THE RESOURCES AND COMPOSITION OF GROUNDWATER IN THE NORTH-WESTERN SLOPE OF THE MOSCOW ARTESIAN BASIN
Authors
Ekaterina Leonteva
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Minining
Publisher
STEF92 Technology
Year
2018
Pages
59-66
SWS Citekey
Leonteva201825966
ISSN
1314-2704
ISBN
978-619-7408-36-2
Language
en
Publication type
Conference Paper
Keywords
ecological-hydrogeological zoninggroundwaterMoscow artesian basinanthropogenic impact.
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