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<br />~ <br /> <br />,. <br /> <br />. <br /> <br />. <br /> <br />WATER SUPPLY PAPER - Chapter B <br /> <br />~ <br />-..J <br />W <br />w <br /> <br />DISSOLVED SOLIUS IN THE UPPER COLORADO RIVER BASIN <br /> <br />Abstract <br /> <br />I. Introduction <br /> <br />A. P\,lrpose and scope <br />B, Brief physical description of Upper Colorado River basin (fig. 1) <br />C. Dissolved solids <br /> <br />< <br /> <br />;.e,_ <br /> <br />.,; <br /> <br />1. Define dissolved solids, load, and concentration <br />2. Sources of loading and concentration (fig. 2) <br /> <br />a. Natural sources <br /> <br />1. Climatic influences <br />2. Soils and geology <br />3, Saline springs <br /> <br />b. Human sources <br /> <br />1. Diversions from basin <br />2. Agriculture and consumptive use <br />3. Return flow from irrigated lands <br />4. Surface and subsurface mining <br />5. Oil and gas wells <br />6. Industrial and municipal <br />7. Vegetation alteration, related to rates of erosion <br />and changes in evapotranspiration <br /> <br />,( <br /> <br />3. Problems associated with dissolved solids <br /> <br />a. Effects <br />b. Magnitude of costs <br />c. Salinity reduction projects <br /> <br />II. Dissolved-solids sampling network (fig. 3) <br /> <br />-r <br /> <br />A. <br /> <br />Relation of dissolved solids to QW sampling network <br /> <br />. '~ <br /> <br />1. General description of the QW sampling network <br />2. Specific analyses of water samples <br /> <br />:'; <br />'tj <br /> <br />B. History of dissolved solids sampling network <br /> <br />" <br />'" <br /> <br />1. Location of first stations <br />2. Increase in stations over time (fig, 4, fig. 5) <br />3. Comparison to discharge network described in Chapter A <br />4. Changes in analytical laboratory techniques over time <br /> <br />:;~r <br />',t <br /> <br />'/ <br />.~ <br />" <br />$ <br />'-j' <br /> <br />.f. <br /> <br />~ <br />-;1. <br />.J <br />,4 <br /> <br />;- <br /> <br />~ "~ . <.of. _;!,,';-: <br /> <br />J <br />iJ;"ti <br />~,~ ",': <br />,,~-,-_:--. <br />,,," ' ~- :i;.;;;.,,;:i,-~:,.;;;-, ":,L~)-~'Y:~~' <br /> <br />9 <br />