Ground water flow modeling input data preparation
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Ground water flow modeling. Input data preparation. D.Frank-Kamenetsky (Committee) I.Bogotyrev (Mineral) G.Savenkova (Mineral) M.Naumovets (Mineral) G.Bogdanova (expert). Location of the pilot modeling areas. Shuvalovo. “Shuvalovo” polygon. Main tasks:

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Ground water flow modeling. Input data preparation.

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Ground water flow modeling.Input data preparation.

D.Frank-Kamenetsky (Committee)

I.Bogotyrev (Mineral)

G.Savenkova (Mineral)

M.Naumovets (Mineral)

G.Bogdanova (expert)


Location of the pilot modeling areas

Shuvalovo


“Shuvalovo” polygon

Main tasks:

Modeling of the oil pollution migration.

Modeling of oil pollution of the inter moraine aquifer.

Assessment of the pollution migration to surface water objects.


“Polustrovo” polygon

Protection of the ground water deposits against pollutants migration from upper aquifers.

Modeling of flooding caused by ground water.

Estimation of chemical changes caused by negative load to ground water.

Development of the recommendations to reduce negative impact to ground water in Polustrove area.


Required input data

information on all boreholes and wells used for different purposes: water-intake boreholes; private boreholes, monitoring, stratigraphic wells, etc;

static and piezometric levels;

groundwater table;

aquifer thickness;

climatic parameters: intensity of atmospheric precipitation , temperatures, etc;

hydrological data on rivers: level, runway, morphometric characteristics, flow-rate, etc.;

geometry of the system: data on the roof and subface of lithological strata;

tested filtration parameters (filtration coefficient, transmissibility, porosity, etc.);

chemical composition of groundwater.


Input data preparation schedule

General (regional) information – July 2007

Detailed data – November 2007


Definition of borders for the pilot areas.


“Shuvalovo” polygon


“Polustrovo” polygon


“Polustrovo” polygon


General geological and

hydrogeological information


  • Regional map

  • General information:

  • Relief of crystalline basement

  • Lithology and relief of pre-Quaternary deposits

  • Lithology of Quaternary deposits

  • Daylight relief

  • Hydrology

  • Hydrogeological information:

  • Uppermost (the first from surface) layer of Quaternary deposits with hydrogeological classification

  • Next to the uppermost (the second from surface) layer with hydrogeological classification


Regional sections


Preliminary information on “Shuvalovo” polygon

10 borehole columns.


Detailed geological data


Geological map for the “Shuvalovo” polygon

scale1:10000


Hydrogeological sections and wells

1

4


Hydrogeological sections

1-1

4-4


Wells database

The database contains information on 331 wells.

1. Information source

2. General information (number, head-well level, depth, water table level, etc)

3. Geology (lithological descriptions)

4. Well construction (if exists)

5. 20 chemical analyzes (heavy metals, oil products, etc)

6. Filtration parameters for different rock types.


Drill hole database


Ground water chemical composition


Drill well №5019


The same data set for “Polystrovo” polygon

is under preparation


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