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<br />5 <br /> <br /><::> <br />-.J <br />W <br />0) <br /> <br />(2) <br /> <br />Evaluate the hydrologic and salinity conditions on the <br /> <br />intensive study area, Area I, of the project to establish <br /> <br />the conditions prior to construction. <br /> <br />(3) Redefine the hydrologic and salinity conditions after the <br /> <br />construction is complete to evaluate the effectiveness of <br /> <br />the lining program and make further recommendations. <br /> <br />The scope of this thesis is to present both the method employed and <br /> <br />results obtained for step 2. <br /> <br />The evaluation of the hydrologic and salinity parameters for an <br /> <br />area, often referred to as hydro-salinity modeling, requires a vast <br /> <br />and lengthy computational procedure. To facilitate the enormous <br /> <br />number of computations, a mathematical model has been programmed <br /> <br />for use on a digital computer. A complete listing of the program has <br /> <br />been included in Appendix B, along with a listing of the variable <br /> <br />definitions in Appendix A. The modeling procedure involves the evalu- <br /> <br />ation of interactions which exist between various phases of the <br /> <br />hydrologic cycle and the effect on these phases of an external stimuli <br /> <br />such as canal lining. Nevertheless, these interactions cannot be <br /> <br />completely determined because of certain difficulties in data collection <br /> <br />and synthetic means must be applied in order to develop the model. <br /> <br />In this report, modeling is accomplished by equating two independent <br /> <br />measures of ground water outflow and adjusting them until they are <br /> <br />compatible. A schematic diagram of a general hydro- salinity model <br /> <br />is shown in Fig. 2. <br />