Full TGIF Record # 75905
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Web URL(s):http://elibrary.asabe.org/azdez.asp?JID=3&AID=4685&CID=t2001&v=44&i=2&T=2&redirType=
    Last checked: 10/13/2015
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Publication Type:
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Report
Author(s):Northcott, W. J.; Cooke, R. A.; Walker, S. E.; Mitchell, J. K.; Hirschi, M. C.
Author Affiliation:Northcott: ASAE Member Engineer, Assistant Professor, Department of Agricultural Engineering, Michigan State University; Cooke: ASAE Member Engineer, Assistant Professor; Walker: ASAE Member Engineer, former Visiting Research Associate; Mitchell: ASAE Fellow, Professor; and Hirschi: ASAE Member Engineer, Professor, Department of Agricultural Engineering, University of Illinois, Urbana-Champaign
Title:Application of DRAINMOD-N to fields with irregular drainage systems
Section:Soil & water
Other records with the "Soil & water" Section
Source:Transactions of the American Society of Agricultural Engineers. Vol. 44, No. 2, March/April 2001, p. 241-249.
# of Pages:9
Publishing Information:St. Joseph, MI
Keywords:TIC Keywords: Product profile; Drainage systems; Subsurface drainage; Nitrates; Watersheds; Water pollution; Tile drainage
Abstract/Contents:"Subsurface drainage systems are a significant source of nitrate pollution to surface water supplies in the flat watersheds of East Central Illinois. Many of these watersheds are drained exclusively by subsurface tile and ditch flow. To solve localized drainage problems, many tile drainage systems were installed with an irregular or random design. The purpose of this study is to apply DRAINMOD-N to irregular tile systems and develop a methodology to determine the effective drain spacing of irregular drain systems based on system geometry and effective drainage area of isolated tile lines. This study also examines the application of a cell-based DRAINMOD-N with surface runoff routing to model flow in fields with irregular systems. DRAINMOD-N was used to model tile flow and nitrate load from two monitored, irregular tile systems. The results of this study show that over a 2-year calibration period, for Drummer soil type, the effective lateral distance of influence for individual tile lines is 18.3 m. The average daily flow deviation between observed and simulated flow was 1.2 mm/day. Cell-based analysis with surface routing of irregular tile systems provided a lower deviation (0.96 mm/day). The results of the nitrate experiment showed an average monthly deviation of 3.02 kg/ha-N."
Language:English
References:21
Note:Figures
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Northcott, W. J., R. A. Cooke, S. E. Walker, J. K. Mitchell, and M. C. Hirschi. 2001. Application of DRAINMOD-N to fields with irregular drainage systems. Trans. Proc. Am. Soc. Agric. Eng. 44(2):p. 241-249.
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http://elibrary.asabe.org/azdez.asp?JID=3&AID=4685&CID=t2001&v=44&i=2&T=2&redirType=
    Last checked: 10/13/2015
    Requires: PDF Reader
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