Full TGIF Record # 231757
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DOI:10.1111/j.1752-1688.1999.tb04180.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.1999.tb04180.x/pdf
    Last checked: 10/28/2013
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    Access conditions: Item is within a limited-access website
Publication Type:
i
Report
Author(s):Mendez, Aida; Dillaha, Theo A.; Mostaghimi, Saied
Author Affiliation:Mendez: Post Doctoral Researcher, USDA-ARS Southwest Watershed Research Center, Tucson, Arizona; Dillaha: Associate Professor; Mostaghimi: Professor, Biological Systems Engineering Department, Virginia Tech, Blacksburg, Virginia
Title:Sediment and nitrogen transport in grass filter strips
Source:Journal of the American Water Resources Association/AWRA. Vol. 35, No. 4, August 1999, p. 867-875.
# of Pages:9
Publishing Information:Minneapolis, Minnesota: American Water Resources Association
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.1999.tb04180.x/abstract
    Last checked: 10/28/2013
    Notes: Abstract only
Keywords:TIC Keywords: Best management practices; Evaluations; Filter strips; Nitrogen losses; Nonpoint source pollution; Runoff control; Surface runoff; Water quality
Abstract/Contents:"An 18-month field experiment was conducted to evaluate the effectiveness of grass filter strips in removing sediment and various nitrogen species from runoff. Runoff was collected from six 3.7 m wide experimental plots with 24.7 m long runoff source areas. Two plots had 8.5 m filters, two plots had 4.3 m filters, and two plots had no filters. Runoff was analyzed for total suspended solids (TSS), total Kjeldahl nitrogen (TKN),. filtered TKN (FTKN), NH4+-N, and NO3--N. The Mann-Kendall nonparametric test for trend (changes in filter effectiveness over time) indicated that there were no trends in the yields and concentrations of TSS, NO3--N, NH4+-N, TKN, and FTKN for the 8.5 m filter over time. For the shorter 4.3 m filters, there were significant upward trends in TKN yield and downward trends in TSS, NH4-N, and FTKN concentrations, indicating that trapping efficiency may have started changing with time. The Kruskal-Wallis test indicated that the 8.5 m filters reduced median yields and concentrations of TSS and all N species, but the 4.3 m filters only reduced the median yields and concentrations of TSS, NH4+-N, TKN, and the median concentration of FTKN. The 8.5 and 4.3 m filters reduced contaminate yields and concentrations from 42 to 90 percent and from 20 to 83 percent, respectively."
Language:English
References:17
Note:Equations
Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Mendez, A., T. A. Dillaha, and S. Mostaghimi. 1999. Sediment and nitrogen transport in grass filter strips. Water Resour. Bull. 35(4):p. 867-875.
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DOI: 10.1111/j.1752-1688.1999.tb04180.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1752-1688.1999.tb04180.x/pdf
    Last checked: 10/28/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: b2206946~S1a
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