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<br />6 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />projection of results as were Strategy One and Strategy Two. The economic <br />effects of possible local water supply augmentation measures were not analyzed <br />quantitatively, but are discussed subjectively in the following section. <br /> <br />POTENTIAL AUGMENTATION METHODS <br /> <br />A brief discussion of principal local/regional water supply augmentation <br />methods or technologies, their current status and potential relevance to High <br />Plains agriculture, is organized into the following broad categories: <br /> <br />o Precipitation augmentation and management <br />o Land treatments and modifications <br />o Vegetative management <br />o Evapotranspiration (ET) management <br />o Conjunctive uses <br /> <br />Descriptions, present applications and assessment of potential for <br />future water supply augmentation of selected methods are as follows: <br /> <br />1. Preci pitat i on augmentat i on and management - methods to increase <br />effective incidence, capture and use of available precipitation <br />for improved soil moisture conditions, deep percolation/recharge <br />and/or runoff. <br /> <br />a. Weather modification technologies - weather modification <br />research and on-site fiel d tests have been underway for <br />several years for portions of the High Plains area of Kansas <br />and Texas. Although promising results in increased precipi- <br />tati on probabil iti es have been demonstrated, thi s technology <br />is still in the developmental stage. There are significant <br />legal, institutional, attitudinal, economic and operational <br />problems associated with weather modification which make its <br />wi de-spread use as a local water augmentati on method diffi- <br />cult and uncertain even if techniques are perfected. Weather <br />