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WSP03775
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Last modified
1/26/2010 12:52:04 PM
Creation date
10/11/2006 11:57:59 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8507
Description
Rio Grande Project
State
CO
Basin
Rio Grande
Date
6/1/1996
Title
Assessment of Metal Transport into and out of Terrace Rervoir/ Conejos County/ Colorado/ April 994 through March 1995
Water Supply Pro - Doc Type
Publication
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<br />CONTENTS <br /> <br />Abstract..................................................................................................................................................................................1 <br />Introduction ............................................................ ...... ..................... ............. ....................................................................... 2 <br />Purpose and Scope .............. ..... .................. ......... .................................. ....... ................................................... ............. 3 <br />Water Quality of the Upper Alamosa River Basin ...................................................................................................... 3 <br />Methods of Investigation ................................................... ........ ..................... ...... .......... ............................................. 3 <br />Acknowledgments ....................................................................................................................................................... 6 <br />Streamflow Characteristics and pH ....................................................................................................................................... 6 <br />Metal Chemistry .................................................................................................................................................................... 8 <br />Variations in Metal Concentrations ............................................................................................................................. 12 <br />Percentage ofMetsls in the Dissolved and Suspended Fmction................................................................................. 12 <br /> <br />Aluminum..........................................................................................................................................................12 <br />Iron.....................................................................................................................................................................12 <br />Copper ..................................................................... .......................................................................................... 20 <br />Cadmium, Manganese, and Zinc ....................................................................................................................... 20 <br />Correlations of Metal Concentrations, Streamflow, Specific Conductance, and pH................................................... 20 <br /> <br />Metal Loads Into and Out of Terrace Reservoir .................................................................................................................... 25 <br />Aluminum....................................................................................................................................................................26 <br />Iron...............................................................................................................................................................................30 <br />Copper.........................................................................................................................................................................30 <br />Cadmium ..................................................................................................................................................................... 33 <br />Manganese...................................................................................................................................................................33 <br />Zinc ......................................................... ...................... .................................... ..... ...................................................... 33 <br />Summary ................................................................................................................................................................................ 36 <br />Selected References ............................................................................................................................................................... 37 <br />Supplemental Data.................................. ............................................................................................................................... 41 <br /> <br />FIGURES <br />I. Map showing location of Terrace Reservoir and location of sampling sites upstream and downstream <br /> <br />from Terrace Reservoir................................. ............................................................................................................. 2 <br />2. Streamflow hydrographs for sites AR34.5 and AR31.0, April 1994 through March 1995 ...................................... 7 <br />3. Graph showing instantaneous pH for sites AR34.5 and AR31.0, April 1994 through March 1995......................... 9 <br />4-15. Graphs showing: <br />4. Dissolved- and total-aluminum concentrations for sites AR34.5 and AR31.0, April 1994 through <br /> <br />March 1995 .......................................................... ............ ................................................................................. 13 <br />5. Dissolved- and total-iron concentrations for sites AR34.5 and AR31.0, April 1994 through <br />March 1995...................... ...... .................. .......................... ........ ....................................................................... 14 <br />6. Dissolved- and total-copper concentrations for sites AR34.5 and AR31.0, April 1994 through <br /> <br />March 1995 .............................. ................................. ........................... ............................................................. 15 <br />7. Dissolved- and total-cadmium concentrations for sites AR34.5 and AR31.0, April 1994 through <br /> <br />March 1995 ......... .............................................................................................................................................. 16 <br />8. Dissolved- and total-manganese concentrations for sites AR34.5 and AR31.0, April 1994 through <br /> <br />March 1995 ....................................................... ............................................................................. ................... 17 <br />9. Dissolved- and total-zinc concentrations for sites AR34.5 and AR31.0, April 1994 through <br /> <br />March 1995........ ....... .................................. ............................... ...... ............ ................ ................................ ..... 18 <br />10. Temporal variations in the percentage of dissolved metals for sites AR34.5 and AR31.0, April 1994 <br /> <br />through March 1995 .. ...... ...... .... ........................ ....... .......... ............... ...... ...... .... ..... .................. ............ ............ 19 <br /> <br />CONTENTS III <br /> <br />003156 <br />
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