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<br />C, HYDRO-SALINITY MONITORING & EVALUATION SITES: <br /> <br />The McElmo Creek Monitoring & Evaluation Plan was established <br />in August 1988. It was intended at that time that monitoring would <br />be confined to 8 fields with the observed results expanded to <br />represent project-wide effects. It has since been scaled down to 5 <br />fields with the intent of adding more fields as the M&E program <br />progresses. The major activities comprising the monitoring program <br />are as follows: <br />1. Measure surface inflow including storm runoff water <br />entering the monitored field and precipitation falling into the <br />area. <br /> <br />2. Measure surface outflow from the field. <br />3. Collect meteorological data to estimate evapotranspiration <br />(ET) requirements of vegetation growing within the area. <br />4. Measure soil moisture content at strategic times to assess <br />seasonal changes. <br />5. Monitor throughout the project area the length of existing <br />earth ditches replaced by pipeline or ditch lining. <br />6. Monitor throughout the project area the number of acres <br />directly benefitted by installation of salinity control practices. <br /> <br />All conclusions will be based on evaluation of cumulative <br />summaries of data collected throughout each session. Irrigation <br />data will be subjected to the following analysis: <br />1. Inflow minus outflow equals infiltration. 001961 <br />