Tag Archives: Pollution

West Creek Area Water Quality Monitoring Program Douglas County, Colorado September 2009 Sampling Summary

Abstract: The monthly water quality monitoring event for this program was conducted on September 30, 2009. The four sampling sites identified for the monitoring program are: 1. Trail Creek above mitigation site, called Upper Trail Creek, Site UTC 2. Trail … Continue reading

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Sediment Production and Delivery from Forest Roads and Off-Highway Vehicle Trails in the Upper South Platte River Watershed, Colorado.

Abstract (Pollution – Sediment, Erosion, Water Quality) Sediment is a principal cause of impairment to surface water quality.  Erosion is aparticularly important environmental issue in the Upper South Platte River (USPR)watershed of Colorado because it is the primary source of … Continue reading

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Economics of Widespread Manure Application to Irrigated Crops: Raw and Composted Feedlot Manure in Eastern Colorado.

Abstract (Economic Redevelopment, Pollution – Humans) We used linear programming to simulate adoption of manure disposal technologies in eastern Colorado. Manure, either raw or composted, is assumed to be applied to irrigated cropland within 20 miles of feedlots in five … Continue reading

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Organochlorine Compounds in Bed Sediment and Fish Tissues in the South Platte River Basin, USA, 1992-1993.

Abstract (Aquatic Life, Pollution – Humans) Bed-sediment and fish-tissue samples were collected in the South Platte River Basin to determine the occurrence and distribution of organochlorine compounds in the basin. During August–November 1992 and August 1993, bed sediment (23 sites) … 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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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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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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Initial Steamwater Response to the Hayman Fire, Colorado Front Range.

Abstract (Wildfires, Water Quality, Pollution – Sediment) Fire behavior regulates the effects of forest fire on watershed processes. During the 2002 Hayman Fire, high-severity crown fire killed the overstory forest and consumed forest floor on forty percent of the area … 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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