Lateral Effect Help Manual
Contents
An approximate method developed by Skaggs et al. (2005) may be used to predict the lateral effect of a drainage ditch on adjacent wetland hydrology. The lateral effect of a ditch or subsurface drain may be defined as the width of a strip of land adjacent to the ditch in which the hydrology has been changed such that it will no longer meets the wetland hydrologic criterion as defined in the 87 Manual (USACOE , 1987). This computer program was developed to calculate the lateral effect automatically. The program uses numerical solutions to the Boussinesq equation to calculate the lateral effect directly, rather than interpolating from the plotted solutions This help is designed as an ongoing reference while you are working with the program. |
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Skaggs, R.W., G.M. Chescheir, and B.D. Phillips. 2005. Methods to Determine Lateral Effect of a Drainage Ditch on Wetland Hydrology. Trans. ASAE 48(2): 577-584.
USACOE. 1987. U.S. Army Corps of Engineers Wetland Delineation Manual. Environ. Lab. Tech. Report Y-81-1, US Army Corps of Eng. Waterways Experiment Station, Vicksburg MS.
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