Category Archives: Scientific Article

The Braided Stream Depositional Environment: Comparison of the Platte River with Some Silurian Calstic Rocks, North-Central Appalachians.

Abstract (Geology, Water Quality) Studies of the South Platte-Platte River in Colorado and Nebraska substantiate Ore’s (1964) conclusion that braided patterns in streams are created mainly by accretion of longitudinal bars and dissection of transverse bars. Distribution of bars in … Continue reading

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Denitrification as a Component of the Nitrogen Budget for a Large Plains River.

Abstract (Pollution – Sediments) Nitrogen dynamics of a plains reach of the South Platte River were studied over a 12-month cycle for the purpose of quantifying denitrification rates. The working hypothesis of the study was that denitrification would be of … Continue reading

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Geochemistry and Evolution of the South Platte Granite-Pegmatite System, Jefferson County, Colorado.

Abstract (Geology) The South Platte pegmatite district is well known for its significant enrichment in the rare earth elements (REE), Y, Nb, F, and for the exceptionally well-developed internal zonation of the complex pegmatites located within a reversely zoned portion … Continue reading

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Effects of Urbanization on Stream Ecosystems in the South Platte River Basin, Colorado and Wyoming.

Abstract (Pollution – Humans, Aquatic Life) This report describes the effects of urbanization on physical, chemical, and biological characteristics of stream ecosystems in 28 basins along an urban land-use gradient in the South Platte River Basin, Colorado and Wyoming, from … Continue reading

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Analysis of Groundwater Exchange for a Large Plains River in Colorado (USA).

Abstract (Water Quality) Complete daily water budget information was assembled for a 105 km segment of the South Platte River in the plains region below Denver, CO, for the period 1983–1993. The data were used in testing the possibility that … Continue reading

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Implications of Climatic Variability for Regulatory Low Flows in the South Platte River Basin, Colorado.

ABSTRACT (Water Management) The maximum concentration of a regulated substance that is allowed in a wastewater effluent usually is determined from the amount of dilution provided by the receiving water. Dilution flow is estimated from historical data by application of … Continue reading

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A Comprehensive Review of Microbiology in a Western Arid Urban Watershed and Insight on the Reasonableness of Proposed Stream Limits for E. coli.

Abstract (Pollution – Bacteria) The Urban South Platte River (USP) runs through the center of metropolitan Denver, Colorado. Since 1998, the watershed has been extensively monitored for E. coli. Comprehensive data from the watershed study will be presented to demonstrate … Continue reading

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Streamflow Gain-and-Loss and Suspended-Sediment Characteristics of the South Platte River and Three Irrigation Canals Near Fort Morgan, Colorado.

Abstract (Water Management, Pollution – Sediment) A 2-year study during 1982-83 was made to document the streamflow gain-and-loss and suspended sediment characteristics of the South Platte River, Fort Morgan Canal, Upper Platte and Beaver Canal, and the Lower Platte and … Continue reading

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Potential Habitat Loss and Population Fragmentation for Cold Water Fish in the North Platte River Drainage of the Rocky Mountains: Response to Climate Warming.

Abstract (Aquatic Life, Conservation of Natural Resources, Pollution – Climate) We used three approaches to examine potential habitat loss in relation to climate warming for cold water species of fish in the North Platte River drainage in Wyoming. The projected … Continue reading

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Influence of Regulation on Environmental Conditions and the Macroinvertebrate Community in the Upper Colorado River.

Abstract (Pollution – Humans, Aquatic Life) The influence of stream regulation on environmental conditions and concomitant alterations of macroinvertebrate community structure was determined from field studies conducted from September 1981-June 1983 at three sites on the upper Colorado River. Site … Continue reading

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