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Wyszukujesz frazę "Romanov, V. S." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
The organisation of control over non-centralized water supply under the risk of groundwater dynamics disturbance in karst areas
Autorzy:
Kuzichkin, Oleg R.
Romanov, Roman V.
Dorofeev, Nikolay V.
Grecheneva, Anastasia V.
Vasilyev, Gleb S.
Powiązania:
https://bibliotekanauki.pl/articles/1844418.pdf
Data publikacji:
2020
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
electrical express-monitoring method
hydrogeological control
karst
non-centralised water supply
water quality
Opis:
The use of non-centralised water supply in remote settlements is currently the only possible option. Monitoring the water quality of such supply sources is a complicated task in such areas, especially when there are active karst processes and difficult groundwater conditions. The application of deterministic analytical models of water supply under the risk of disturbance to groundwater dynamics is not efficient. Significant quantitative and even qualitative changes in groundwater conditions may take place between the calculated points, and the underestimation of these changes in expectation-driven computation models may result in serious geoecological issues. This research studied and justifies the use of adaptive dynamic hydrogeological control in an area of non-centralised water supply based on the identification of key zones of geodynamic karst monitoring and the electrical express-monitoring of water resources. The identification of key zones is based on an integrated analysis of available groundwater information that describes changes in groundwater hydrodynamic conditions at the time of the karst forecast. The development of karst-suffusion processes is accompanied by more intense dynamic changes in local areas of geologic environment compared to the general variation in intensity. Information about the occurrence of destructive groundwater processes by means of selective geodynamic monitoring may thus be obtained much earlier than with environmental geodynamics monitoring as a whole. The experimental hydrogeological control of an area of non-centralised water supply was conducted on the right bank of the Oka River in Nizhny Novgorod region, a locality with an active manifestation of karst processes. Structure and algorithms of space-time processing of hydrogeological control data developed by authors have been used. The approach based on multifrequency vertical electrical sounding (MFVES) method has shown good correspondence with direct borehole observation when measuring depth of the first aquifer. Zones of unsafe water use have been revealed. The results demonstrated the effectiveness of the proposed method and the need for further regular observations of destructive groundwater processes by means of selective hydrogeodynamic monitoring.
Źródło:
Journal of Water and Land Development; 2020, 47; 113-124
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrogeological monitoring of karst activity based on regime observations in the territory of karst lakes
Autorzy:
Kuzichkin, Oleg R.
Romanov, Roman V.
Dorofeev, Nikolay V.
Vasilyev, Gleb S.
Grecheneva, Anastasia V.
Powiązania:
https://bibliotekanauki.pl/articles/1844370.pdf
Data publikacji:
2021
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
data processing algorithm
geodynamics
geoelectric facility
hydrogeological monitoring
karst lake
phase-measuring method
Opis:
This article shows that the most sensitive indicator of local and regional karst activity in territories of apparent karst processes is the behaviour of karst lakes. The authors propose a hydrogeological monitoring methodology for the karst process based on the phase-measuring geoelectric control method in the coastal zone of karst lakes. The geoelectric current control of hydrogeological changes in the medium at local levels uses a multi-frequency vertical electric sounding combined with a phase-measuring method of registering the geoelectric signal. These proven methods permit to distinguish variations of spatial parameters and the electric conductivity of several layers at a time. Moreover, they significantly increase the noise resistance and sensitivity of the measuring system. An adaptive algorithm function of the measuring complex for geoelectric monitoring of karst lakes’ coastal zones was developed to control the operation of facilities and data collection systems. Based on an example of a lake where karst processes are active, the key zones of hydrogeological control were identified depending on karst manifestations. The research confirmed the possibility of local and regional monitoring of the development and forecasting of destructive karst-suffosion processes based on hydrogeological regime observations of karst lakes.
Źródło:
Journal of Water and Land Development; 2021, 48; 130-140
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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