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Effect of the Aerobic Level on the Protection and Utilization of Intergranular Aquifers in Serbia

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  • Effect of the Aerobic Level on the Protection and Utilization of Intergranular Aquifers in Serbia

    Monday, 28 June 2010 14:33
  • Study of Extreme Hydrologic Events (Floods and Droughts) in Serbia

    Monday, 28 June 2010 14:47
  • Development and Application of Pressure, Impact and Risk Assessment Methods

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  • Research and Development of a New and Original Technology

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Projects Effect of the Aerobic Level on the Protection and Utilization of Intergranular Aquifers in Serbia
Effect of the Aerobic Level on the Protection and Utilization of Intergranular Aquifers in Serbia PDF Print E-mail

Effect of the Aerobic Level on the Protection and Utilization of Intergranular Aquifers in Serbia

altProject: ТР 22014

Project Manager: Professor Dr. Milan A. Dimkić, CE

Project Participants: Jaroslav Černi Institute for the Development of Water Resources, and the School of Mining and Geology, University of Belgrade

Beneficiaries: Serbian Ministry of Agriculture, Forestry and Water Management/Water Directorate; Belgrade Water and Sewerage Utility; Naissus Utility of Niš; and Iron Gate Hydroelectric Power Plants

 

 

The aerobic level of an aquifer is a major driver of biochemical clogging of water wells and the transformation of groundwater quality. Assessments of the effect of the aerobic level on these processes represent a new approach to groundwater study. Serbia largely relies on groundwater for its drinking water supply and riverside cities generally use water abstracted from shallow alluvial aquifers. The impact of river water on groundwater quality and associated protection measures is significant at many groundwater abstraction sites, where well capacity frequently declines over time. Research and investigations have shown that the natural aerobic level is a reliable indicator of good groundwater abstraction potential. An artificial increase in the aerobic level would be extremely useful for the maintenance of existing and the planning of future groundwater sources.

Main Project Objectives

  • Assessments of the transformation of water quality under aerobic and anaerobic conditions;
  • Definition of the dependency of water well clogging on the aerobic level, mineral composition of the setting, and biochemical composition of the water;
  • Definition of the best approach to water well maintenance;
  • Assessment of well regeneration methods;
  • Repercussions of the aerobic level on designated safeguard zones;
  • Classification and water balance assessments of the main aquifers in Serbia, including utilization and protection aspects.

Investigations were conducted at select test sites:

  • The Belgrade Groundwater Source;
  • The Mediana Source, an artificially-recharged groundwater source in the City of Niš; and
  • Wells of the Knićanin-Čenta and Kovin-Dubovac drainage systems.

Select Project Outcomes

  • Field and laboratory results (sediment, chemical and microbiological analyses and assessments);
  • Assessment of select-well discharge variations over time;
  • Development of local and regional hydrodynamic models;
  • Establishment of parameters and definition of a methodology for the identification of the dependency between abstraction capacity variation and the conditions of the setting;
  • Classification of select test sites based on aerobic level; and
  • Presentation of scientific papers at conferences and publication of articles in journals and in the international monograph “Groundwater Management in Large River Basins”.

 

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Correlation between Total Iron (Fetot), Redox Potential (Eh), and Water Well Discharge (Q) at the Belgrade Groundwater Source

Design criteria for new radial-well laterals at the Belgrade Groundwater Source


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Summary Results

Project outcomes were used to draft recommendations aimed at increasing the capacity of the Belgrade Groundwater Source, and to propose water well maintenance methods tested at pilot sites.

Two campaigns, the first of their kind in Serbia, were conducted with the goal of investigating the transport and fate of pharmaceuticals in river water and groundwater.

Data derived from extensive hydrochemical, microbiological and sediment analyses were used to develop a methodology for aerobic level tests, which are applicable to large-scale alluvial settings.

 

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