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<br />predicted. Because
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<br />interrelations, and
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<br />of the large area, complex
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<br />bulk of data, quantitative
<br />to--
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<br />hydrologic
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<br />evaluation
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<br />of the hydrologic system would be extremely difficult
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<br />without the use of an analog mOdel. The model is a tool
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<br />for integrating and analyzing the hydrologic data. Ground-
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<br />water, surface-water, and climatologic data will be
<br />
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<br />programmed i~the model to simulate the hydrologic system
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<br />and to duplicate present water-management effects on the
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<br />
<br />system. When the model is refined to the point that it
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<br />becomes a true analog of the system, then it can be
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<br />used to predict, quantitatively, the effects of proposed
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<br />changes in water management. The model will provide a
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<br />basis for deciding what pattern and rate of ground-water
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<br />and surface-water use will be most efficient.
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<br />The l74-mile reach of the Arkansas Valley from Canon
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<br />City to the State line will be modeled. Examples of the
<br />
<br />
<br />maps that we will use in the construction of the analog
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<br />r ~.)
<br />model are displayed here.~ on this map is shown a section
<br />
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<br />of the basic framework of the model from La Junta to
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<br />Las Animas--the Arkansas River, the irrigation canals.
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<br />the boundaries of the system and the transmissibility
<br />of the sand and gravel aquifer.
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<br />Figure 2. Map showing boundaries of the hydrologic system
<br />and the transmissibility of sand and gravel deposits,
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