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Author: Monica Veale Yesildirek Publisher: ISBN: Category : Languages : en Pages : 82
Book Description
As population increases and urbanization occurs, watershed management will be critical in the protection of water resources in North Central Texas. By 2040, Denton County will nearly double its 2010 population. The Upper Hickory Creek Watershed lies west of Denton and empties into Lake Lewisville. Lake Lewisville provides drinking water for Denton, Dallas, and other neighboring cities. Mitigation of non-point source pollutants as a result of urban and agricultural practices is essential to protecting Lake Lewisville water resources. A common best management practice used to mitigate pollutants is the protection of riparian ecotones that occupy river corridors; however, recent agricultural and urban practices are diminishing these ecosystems and their services. In this paper, the riparian buffer delineation equation (RBDE) is used to assess the current state of Upper Hickory Creek Watershed to aid in the monitoring of the riparian buffers along stream corridors. While the RBDE was used as pre-assessment tool for the riparian buffer effectiveness in the watershed, a new form of the equation was used to evaluate riparian buffer improvement potential (BP) in conjunction with Denton County parcel data to provide insights into buffer effectiveness and identify areas for improvement on a landowner scale.
Author: Monica Veale Yesildirek Publisher: ISBN: Category : Languages : en Pages : 82
Book Description
As population increases and urbanization occurs, watershed management will be critical in the protection of water resources in North Central Texas. By 2040, Denton County will nearly double its 2010 population. The Upper Hickory Creek Watershed lies west of Denton and empties into Lake Lewisville. Lake Lewisville provides drinking water for Denton, Dallas, and other neighboring cities. Mitigation of non-point source pollutants as a result of urban and agricultural practices is essential to protecting Lake Lewisville water resources. A common best management practice used to mitigate pollutants is the protection of riparian ecotones that occupy river corridors; however, recent agricultural and urban practices are diminishing these ecosystems and their services. In this paper, the riparian buffer delineation equation (RBDE) is used to assess the current state of Upper Hickory Creek Watershed to aid in the monitoring of the riparian buffers along stream corridors. While the RBDE was used as pre-assessment tool for the riparian buffer effectiveness in the watershed, a new form of the equation was used to evaluate riparian buffer improvement potential (BP) in conjunction with Denton County parcel data to provide insights into buffer effectiveness and identify areas for improvement on a landowner scale.
Author: Holly Singer Publisher: ISBN: Category : Languages : en Pages :
Book Description
The largest source of agricultural pollution to water bodies is soil that is transported from fields by stormwater runoff. During a storm event, runoff mobilizes and carries sediment along its flow path, eventually entering a stream, lake, or other surface water body. Riparian buffers are a type of BMP that can be implemented on farms adjacent to streams to protect them from pollutant-laden runoff. These buffers are areas of dense vegetation that act as barriers between fields and streams that intercept and trap sheet flow runoff and slow runoff velocity, thus improving the water quality. Riparian buffers perform best when runoff enters and moves through them as sheet flow. However, over relatively short distances, sheet flow converges into concentrated flow, which moves at a higher velocity and has greater erosion potential than sheet flow. Therefore, the presence of concentrated flow pathways on agricultural land and in riparian zones can undermine the effectiveness of riparian buffers. This researched focused primarily on developing an ArcGIS-based tool to predict the location of concentrated flow pathways (CFPs) in riparian zones with agricultural land uses. A tool like this is useful to watershed planners as they develop and implement watershed management plans to reach federally mandated load reductions goals so that water quality restoration goals can be achieved. The research objectives included: (i) develop and demonstrate a generalizable tool to predict the location of concentrated flow pathways in riparian zones; (ii) identify potential impacts of concentrated flow pathways on the effectiveness of riparian buffers; and (iii) develop a framework for prioritizing buffer locations in an impaired watershed. On average, the proposed buffer zones were determined to be anywhere from four to eighty-five percent effective. The tool was able to simulate where ideal buffer zones could exist, which was observed from the flow accumulation model. It is expected that the results of this research will be transferrable across watershed boundaries and can help watershed managers prioritize locations for installing new riparian buffers to meet water quality goals.
Author: Outen Publisher: International Water Assn ISBN: 9781843397014 Category : Science Languages : en Pages : 276
Book Description
This project was undertaken to evaluate the effectiveness of urban riparian forest buffers for a number of potential functions. States and local jurisdictions are increasingly requiring riparian buffers during the development of land for urban uses. At the same time these same jurisdictions must meet the requirements of Total Maximum Daily Loads for pollutant reduction, NPDES-Municipal Stormwater Discharge Permits, and other environmental programs, such as, the Chesapeake Bay Program that require not only pollutant load reductions, but also habitat improvements. This research provides needed information urban riparian forest buffers through a field research design that incorporated a contrast between three sites with a high degree of forested riparian buffer with three sites that had a low amount of forested buffer. The research included, hydrologic measurements, pollutant concentration and load measurements, temperature recordation, buffer floristic analysis, and stream benthic community analysis. This study demonstrates the value of urban riparian forest buffers as a Best Management Practice and provides a model ordinance for use in the development of local jurisdiction stream buffer requirements. This report is available as a pay-per-view item only.
Author: National Research Council Publisher: National Academies Press ISBN: 0309082951 Category : Science Languages : en Pages : 449
Book Description
The Clean Water Act (CWA) requires that wetlands be protected from degradation because of their important ecological functions including maintenance of high water quality and provision of fish and wildlife habitat. However, this protection generally does not encompass riparian areasâ€"the lands bordering rivers and lakesâ€"even though they often provide the same functions as wetlands. Growing recognition of the similarities in wetland and riparian area functioning and the differences in their legal protection led the NRC in 1999 to undertake a study of riparian areas, which has culminated in Riparian Areas: Functioning and Strategies for Management. The report is intended to heighten awareness of riparian areas commensurate with their ecological and societal values. The primary conclusion is that, because riparian areas perform a disproportionate number of biological and physical functions on a unit area basis, restoration of riparian functions along America's waterbodies should be a national goal.
Author: Nicole A. Davis Publisher: Texas A&M University Press ISBN: 1623492556 Category : Nature Languages : en Pages : 234
Book Description
Riparian areas—transitional zones between the aquatic environments of streams, rivers, and lakes and the terrestrial environments on and alongside their banks—are special places. They provide almost two hundred thousand miles of connections through which the waters of Texas flow. Keeping the water flowing, in as natural a way as possible, is key to the careful and wise management of the state’s water resources. Texas Riparian Areas evolved from a report commissioned by the Texas Water Development Board as Texas faced the reality of over-allocated water resources and long-term if not permanent drought conditions. Its purpose was to summarize the characteristics of riparian areas and to develop a common vocabulary for discussing, studying, and managing them. To learn more about The Meadows Center for Water and the Environment, sponsors of this book's series, please click here.
Author: Monica Veale Yesildirek
Author: Monica Veale Yesildirek
Author: Holly Singer
Author: Outen
Author: National Research Council
Author: George A. Pavelis
Author: Nicole A. Davis
Author: 
Author: James F. Coles
Author: Laura C. Gooch
Author: Nathan R. De Jager