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The impact of urban groundwater upon surface water - eTheses ...

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CHAPTER 6. THE MODELLING OF<br />

GROUNDWATER FLOW MODELLING<br />

GROUNDWATER FLOW TO THE TAME<br />

6.1 General Modelling Objectives<br />

<strong>The</strong> following are the modelling objectives developed as a result <strong>of</strong> the field investigations<br />

and designed to increase understanding <strong>of</strong> the <strong>ground<strong>water</strong></strong> flow and the transport <strong>of</strong><br />

contaminants to the river.<br />

1. To investigate the <strong>ground<strong>water</strong></strong> flows beneath the flood plain so as to identify the likely<br />

lateral paths <strong>of</strong> contaminant plumes from source area to discharge zone within the river.<br />

2. To investigate the vertical components <strong>of</strong> <strong>ground<strong>water</strong></strong> flow paths near the channel.<br />

3. To investigate the geological controls on <strong>ground<strong>water</strong></strong> flow to the river and, to determine<br />

the sensitivity <strong>of</strong> the system to each control including the seepage face.<br />

4. To investigate the variations in <strong>ground<strong>water</strong></strong> discharge to the river along and across the<br />

river channel.<br />

5. To investigate the effect <strong>of</strong> abstraction wells on the <strong>ground<strong>water</strong></strong> flow paths and<br />

<strong>ground<strong>water</strong></strong> flux to, or from, the river.<br />

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