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<br />6960 <br /> <br />Notes <br /> <br />Objectives of Monitoring <br />Entire Project Areas <br /> <br />Three general purposes for data collection, monitoring, <br />and evaluation within the salinity control program are: <br /> <br />1, To identify controllable sources of salinity <br /> <br />L 2. To predict salt load reduction, and <br /> <br />3. To verify project effectiveness, costs and economic <br />nefits, and impacts on wildlife habitat. <br /> <br />Over the course of a project, all three are, necessary, and <br />the data,collection program must be modified as the <br />project progreSses, <br /> <br />In addition to the intended purposes of monitoring, the <br />scale of the intended analysis must ,be considered in design- <br />ing a data-collection program, Large scale monitoring con- <br />siders the overall effect of whole projects, primarily in <br />terms of reductions in disSolved-solids load, At this scale, <br />the geochemistry of dissolved-solids loading can also be <br />evaluated, <br /> <br />Many of the techniques for collecting and analyzing data <br />from whole'project areas are commonly used in other <br />types of hydrologic and water pollution investigations. The <br />followingsections present some of the techniques that <br />have been used successful1y in salinity control investiga- <br />tions, <br /> <br />Identification of Salinity Sources <br />In the identification stage, the primary goal is to determine <br />areas of significant dissolved-solids loading and sources of <br />loading within those areas, Applicable data analyses in- <br />clude synoptic surveys and geochemical evaluations. Data <br /> <br />4 <br /> <br />5 <br /> <br />