1998
DOI: 10.2134/jeq1998.00472425002700030023x
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Salinity Trends in Surface Waters of the Upper Colorado River Basin, Colorado

Abstract: Dissolved‐solids data collected in the Upper Colorado River Basin upstream from Cameo, Colorado, and in the Gunnison River Basin were analyzed for trends in flow‐adjusted dissolved‐solids concentrations and loads for water years 1970 to 1993, 1980 to 1993, and 1986 to 1993. Trend results for flow‐adjusted periodic dissolved‐solids concentrations for the Colorado River Basin upstream from Cameo, CO, generally were downward or no trend was indicated. Trends in flow‐adjusted monthly and annual dissolved‐solids lo… Show more

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Cited by 13 publications
(17 citation statements)
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“…Trend analysis was done for water years 1986 through 2003 for all stations. For purposes of consistency, the beginning of the trend analysis time period is the same as that reported in previous studies by Butler (1996) and Bauch and Spahr (1998). Enlarged area…”
Section: Purpose and Scopementioning
confidence: 90%
See 1 more Smart Citation
“…Trend analysis was done for water years 1986 through 2003 for all stations. For purposes of consistency, the beginning of the trend analysis time period is the same as that reported in previous studies by Butler (1996) and Bauch and Spahr (1998). Enlarged area…”
Section: Purpose and Scopementioning
confidence: 90%
“…1). However, Butler (1996) and Bauch and Spahr (1998) documented that salinity loads in the Colorado River at stations upstream from the Grand Valley Unit were decreasing at similar rates compared to areas downstream from the Grand Valley Unit. This finding was important because only a small amount of salinity-control work was being done in areas upstream of the Grand Valley Unit at the time the findings were reported.…”
Section: Introductionmentioning
confidence: 99%
“…Butler () determined the salinity concentration trends of three existing salinity control programs that consist of irrigated and natural lands for water years 1970‐1993. Bauch and Spahr () analyzed salinity trends for the main stem of the Colorado River at Cameo, and at a major tributary, the Gunnison River. Generally, salinity in the Colorado River did not show a significant trend during this period (Butler, ; Bauch and Spahr, ) indicating the previously installed salinity control units have worked effectively (Anning et al ., ; Colorado River Basin Salinity Control Forum, ).…”
Section: Introductionmentioning
confidence: 99%
“…() estimated the dissolved‐solids concentration decreased 2.3 mg/l/yr from 1974 to 2003 based on a trend analysis performed at the outlet of the UCRB. However, this trend can change and rise again without additional salinity controls (Bauch and Spahr, ; Colorado River Basin Salinity Control Forum, ). In summary, these observations need to be analyzed within the entire basin to identify the effectiveness of existing salinity control units and the need to provide more monitoring and control programs in the basin.…”
Section: Introductionmentioning
confidence: 99%
“…Low values of pH and high concentrations of trace elements such as aluminum, cadmium, copper, iron, manganese, and zinc in water can occur naturally from the weathering of mineralized rocks and anthropogenically from hard-rock acidic mine drainage (Todd, 2005;Todd and others, 2005). The amount of dissolved constituents in water can be high in areas with sedimentary rocks (Bauch and Spahr, 1998). Runoff from developed lands and septic and wastewater systems can affect nutrient concentrations in water bodies, along with sediment loading (Dubrovsky and others, 2010;U.S.…”
Section: Introductionmentioning
confidence: 99%