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Prediction of Underground Hydrosphere Pollution


Creation of Pollutants Distribution Forecasting Technique in Underground Hydrosphere

Tech Area / Field

  • ENV-WPC/Water Pollution and Control/Environment

3 Approved without Funding

Registration date

Leading Institute
National Academy of Sciences of Kyrgyzstan / Institute of Automatics, Kyrgyzstan, Bishkek


  • University Rostock, Germany, Rostock\nVanderbilt University, USA, TN, Nashville

Project summary

The aims of the Project are development of mathematical methods to forecast the ecological condition of the underground hydrosphere; the creation of apparatus-software devices, to obtain information about major parameters of the underground hydrosphere and underground water deposits (UWD), demonstration of obtained results and elaboration of recommendations on improving the ecological condition of the underground hydrosphere and UWDs.

The implementation of organic and non-organic fertilizers, the draining of treated water of industrial enterprises and municipal facilities and large stock-raising complexes, and municipal waste are potential sources of soil and underground hydrosphere pollution. Therefore the tasks of forecasting hydrogeological process development and distribution in the underground hydrosphere (especially in conditions of man-caused catastrophes) has become crucial. Without solving the all these tasks it would be impossible, in a timely fashion, to take appropriate security measures and develop actions to neutralize the fatal consequences of man-caused effects on the condition of the hydrosphere and, correspondingly, on human life and health.

The main forecast method of hydrogeological processes in the underground hydrosphere is involves mathematical modeling. The use of known models for the practical description of pollution and moisture transfer processes for a particular underground water deposit has considerable difficulties of a methodological and calculating nature, connected with the fact that the mathematical model is poorly conditioned.

In order to solve the above problems, mathematical modeling methods are applied, which identify hydrogeological and hydro physical parameters, using more accurate indirect local observation data. Upon development of the mathematical model to research hydrogeological processes, the forecast of soil humidity field, water table and concentration of pollutants is planned.

Research is planned to reveal the structure of moisture transfer coefficient in unsaturated media, which depends on free parameters, and to obtain an analytical correlation between the functions of moisture content and capillary pressure, which in this particular case coincide with known results received experimentally.

Known methods of underground hydrosphere sounding to obtain necessary local observation values are, in the main, traditionally realized with specialized apparatus-technical devices, which have low metrological characteristics. This fact is stipulated by limited technological opportunities and the constructive peculiarities of the devices themselves. An original approach is proposed to increase the accuracy of local observation values, which is based on the well-known invariant principle in measurements, which can be referred to as a structural method to raise identification accuracy. In this instance, a priori information is used on possible functional relations between identified parameters, which can be formalized in the form of fundamental equations, construed as the results of additional measurements. Such an approach to obtaining accurate local values of hydrogeological and hydro physical parameters of an object (incoming data of modeled process), provides real prospects for corresponding construction and subsequent realization of a version of an effective mathematical model of hydrogeological processes.

To analyze data, presented as color pictures, the use of the recursive-pyramidal approach is proposed, to classify such "visual" data when there are no formal rules in the decision-making process concerning the condition of the underground hydrosphere.

The Project includes the following stages:

– creation of a suitably realistsic 3-D mathematical model to adequately describe processes of moisture migration in soil and liquid percolation in the underground hydrosphere;

– development of methods and economic algorithms to account for the forecasted migration of the pollutants in underground water deposits, using the identification of hydrogeological and geophysical parameters of porous media;
– development and manufacture of apparatus software for non-contact control of the main parameters of the underground hydrosphere;
– development of programs for on-screen display of parameters on the dynamics and quality of underground waters.

The high theoretical and practical level of the project participants, their considerable experience with the mathematical modeling of complex hydro-geological processes for particular UWD, in the development of apparatus-software devices, measuring systems and the use of new information technologies, will aid the solution to project problems accordingly. Most project participants were previously engaged in weapons development and they are now able to redirect their skills to new and unusual fields of research and development, for peaceful ends.

The authenticity of the developed modeling method and apparatus-technical complex will be verified by comparing estimation results and indicators with observed and/or measured data in selected underground water deposits, which will form the criteria which determine the accuracy of performed works.

Problems connected with underground hydrosphere control are not local, but of an intergovernmental nature. Despite the fact that separate parts of the hydrosphere have been well studied, there are so-called “blank areas” in the description of processes occurring there. Scientists from the Kyrgyz Republic, the USA and other countries face the need for the development of new approaches in estimating the risk factor of water recourse pollution.

During project realization it is assumed that information will be exchanged between project executors and collaborators, and that joint symposiums and working seminars will be held.

The proposed project was preliminarily discussed and is directly coordinated with the research sphere of Vanderbilt University (Nashville, USA) and the Soil Institute of Rostock University (Rostock, Germany), with particular reference to the development of new modeling methods to predict pollutant distribution in soil and water layers.

Obtained research results have concrete applied value and can be used by corresponding state departments and organizations (USA) for a whole range of social-economical tasks:

– forecasting the ecological condition of underground hydrosphere and determining fresh water deposits for a chosen UWD;

– development of recommendations to prevent undesirable consequences in water use, such as pollution of underground water, secondary salinity, and swamping of agricultural areas;
– creation of a rational mode of operation of pumping wells, to increase operational UWD resources;
– provision of methodological basis during creation of monitoring of the condition of the underground hydrosphere of a specific UWD.


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