Academic literature on the topic 'Nitrates Riparian areas Denitrification'

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Journal articles on the topic "Nitrates Riparian areas Denitrification"

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Rassam, D. W., and D. Pagendam. "Development and application of the Riparian Mapping Tool to identify priority rehabilitation areas for nitrogen removal in the Tully - Murray basin, Queensland, Australia." Marine and Freshwater Research 60, no. 11 (2009): 1165. http://dx.doi.org/10.1071/mf08358.

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One feature of riparian zones is their ability to significantly reduce the nitrogen loads entering streams by removing nitrate from the groundwater. A novel GIS model was used to prioritise riparian rehabilitation in catchments. It is proposed that high-priority areas are those with a high potential for riparian denitrification and have nearby land uses that generate high nitrogen loads. For this purpose, we defined the Rehabilitation Index, which is the product of two other indices, the Nitrate Removal Index and the Nitrate Interception Index. The latter identifies the nitrate contamination p
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Puckett, L. J. "Hydrogeologic controls on the transport and fate of nitrate in ground water beneath riparian buffer zones: results from thirteen studies across the United States." Water Science and Technology 49, no. 3 (2004): 47–53. http://dx.doi.org/10.2166/wst.2004.0160.

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During the last two decades there has been growing interest in the capacity of riparian buffer zones to remove nitrate from ground waters moving through them. Riparian zone sediments often contain organic carbon, which favors formation of reducing conditions that can lead to removal of nitrate through denitrification. Over the past decade the National Water Quality Assessment (NAWQA) Program has investigated the transport and fate of nitrate in ground and surface waters in study areas across the United States. In these studies riparian zone efficiency in removing nitrate varied widely as a res
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Luke, Stacey H., Nancy J. Luckai, Janice M. Burke, and Ellie E. Prepas. "Riparian areas in the Canadian boreal forest and linkages with water quality in streams." Environmental Reviews 15, NA (2007): 79–97. http://dx.doi.org/10.1139/a07-001.

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Riparian areas in the Canadian boreal forest represent the transition zone between terrestrial and aquatic ecosystems. We review factors that influence riparian vegetation communities and the associated interactions with boreal streams. Regional and local drivers (e.g., climate, edaphic factors, and natural disturbances) that affect upland boreal vegetation also operate in riparian areas. However, the proximity of riparian areas to the stream channel not only modifies some of these drivers, but it means that the stream itself becomes a driver of riparian vegetation dynamics. For example, hydro
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Kaden, Ute Susanne, Elmar Fuchs, Christian Hecht, et al. "Advancement of the Acetylene Inhibition Technique Using Time Series Analysis on Air-Dried Floodplain Soils to Quantify Denitrification Potential." Geosciences 10, no. 11 (2020): 431. http://dx.doi.org/10.3390/geosciences10110431.

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Denitrification in floodplain soils is one key process that determines the buffering capacity of riparian zones in terms of diffuse nitrate pollution. One widely used approach to measure the denitrification potential is the acetylene inhibition technique that requires fresh soil samples. We conducted experiments with air-dried soils using a time series analysis to determine the optimal rewetting period. Thus, air-dried soil samples from six different floodplain areas in Germany were rewetted for 1 to 13days to 100% water-filled pore space. We analyzed nitrogen accumulated as N2O in the top of
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Wissmar, Robert C. "Forest detritus and cycling of nitrogen in a mountain lake." Canadian Journal of Forest Research 21, no. 7 (1991): 990–98. http://dx.doi.org/10.1139/x91-136.

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Small lakes of forested watersheds can receive large subsidies of forest matter, but little is known about the material's role in the cycling of nutrients within these ecosystems. This paper examines the influence of detritus and dissolved nitrogen from a forest on the nitrogen cycle of a small subalpine lake in the Cascade Mountains of Washington during the ice-free period (98 days). Relationships between changing detrital microbial biomass, oxygen uptake rates, and water conditions indicate that dissolved inorganic nitrogen concentrations and water temperatures control the decomposition of t
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Clausen, J. C., K. G. Wayland, K. A. Saldi, and K. Guillard. "Movement of Nitrogen through an Agricultural Riparian Zone: 1. Field Studies." Water Science and Technology 28, no. 3-5 (1993): 605–12. http://dx.doi.org/10.2166/wst.1993.0465.

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Forested riparian areas are believed to be important for reducing nonpoint source pollutants. These areas along streams, lakes, and wetlands have been reported to trap sediment and nutrients and enhance denitrification. Past research on the effectiveness of riparian areas has been based on existing forests rather than restored areas. An experiment using the paired-watershed design was established in northeastern Connecticut during 1992 to determine the water quality effects of reforestation on a riparian zone currently cropped in maize. Water quality fluxes in precipitation, overland flow, soi
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Horwath, William R., Lloyd F. Elliott, Jeffrey J. Steiner, Jennifer H. Davis, and S. M. Griffith. "Denitrification in Cultivated and Noncultivated Riparian Areas of Grass Cropping Systems." Journal of Environmental Quality 27, no. 1 (1998): 225–31. http://dx.doi.org/10.2134/jeq1998.00472425002700010032x.

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Dahab, M. F. "Comparison and Evaluation of in-situ Bio-Denitrification Systems for Nitrate Reduction in Groundwater." Water Science and Technology 28, no. 3-5 (1993): 359–68. http://dx.doi.org/10.2166/wst.1993.0438.

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Nitrate contamination of groundwater is a growing problem in the U.S. and throughout the world. This paper examines the potential application of in-situ bio-denitrification to reduce nitrates in groundwater to an acceptable level as well as pertinent parameters that control the process. Results from laboratory experiments designed to simulate in-situ bio-denitrification using an aquifer model are compared to results of experiments reported in the literature. The results indicate that while denitrification can be effective in reducing nitrates in contaminated groundwater, serious aquifer pluggi
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Alyamani, Essam J., Rayan Y. Booq, Ali H. Bahkali, and Sulaiman A. Alharbi. "Biological Removal of Nitrates from Groundwater Resources in Saudi Arabia." Journal of Pure and Applied Microbiology 14, no. 3 (2020): 2203–13. http://dx.doi.org/10.22207/jpam.14.3.61.

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Groundwater is the main water source for many areas in Saudi Arabia and the only source of water in some areas. Many local studies have reported that high nitrate concentrations in some wells of groundwater. To provide safe drinking water, the excess amounts of nitrate have to be removed by bio-denitrification process. This study aims to develop a denitrifying biological filter using denitrifying bacteria immobilized on microbial cellulose for the removal of nitrates from water contaminated with nitrate. Denitrifying bacteria that can form biofilter on microbial cellulose were isolated from di
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Tomasek, Abigail, Jessica L. Kozarek, Miki Hondzo, et al. "Environmental drivers of denitrification rates and denitrifying gene abundances in channels and riparian areas." Water Resources Research 53, no. 8 (2017): 6523–38. http://dx.doi.org/10.1002/2016wr019566.

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Dissertations / Theses on the topic "Nitrates Riparian areas Denitrification"

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Wilson, Greg J. "Combining field measurement of nitrate removal rates and a flow model to predict nitrate removal in the Walker River riparian zone." abstract and full text PDF (free order & download UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1460789.

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Fabião, André de Moraes Dorotêa. "Restoring the ecological quality of riparian ecosystems - a multi-level approach." Doctoral thesis, ISA/UL, 2019. http://hdl.handle.net/10400.5/18327.

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Doutoramento em Engenharia Florestal e dos Recursos Naturais - Instituto Superior de Agronomia / UL<br>Many European rivers and floodplains have been subjected to long periods of anthropogenic degradation. Activities like land drainage, construction of dams and weirs, channelization, water abstraction and pollution, resulted, among others, in the loss of floodplains and wetlands, high sediment runoff, biodiversity losses, lowering of the river and water table levels and increase in peak flows. Thus, this thesis focuses on a multi-level top to bottom approach to freshwater ecosystem restoration
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Kellogg, Dorothy Q. N. "The influence of geomorphic setting on ground water denitrification in forested riparian wetlands /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3206252.

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Watson, Tara Kimberly. "Groundwater nitrate removal capacity of riparian zones in urbanizing watersheds /." Online version in PDF format, 2006. http://www.uri.edu/cels/nrs/whl/Publications/Thesis/Watson_Thesis.pdf.

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Thesis (M.S.)--University of Rhode Island, 2006.<br>Includes bibliographical references (leaves 108-112). Also available online via the University of Rhode Island Watershed Hydrology Laboratory publications home page.
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Hernandez, Maria Elizabeth. "The effect of hydrologic pulses on nitrogen biogeochemistry in created riparian wetlands in midwestern USA." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1154448558.

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Vidon, Philippe Gilles Francois. "Landscape controls on the hydrology and nitrate removal effectiveness of riparian zones in Southern Ontario /." 2004. http://wwwlib.umi.com/cr/yorku/fullcit?pNQ99255.

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Thesis (Ph.D.)--York University, 2004. Graduate Programme in Geography.<br>Typescript. Includes bibliographical references (leaves 182-194). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://wwwlib.umi.com/cr/yorku/fullcit?pNQ99255
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