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Testing of DRAINMOD for Forested Watersheds with Non-Pattern Drainage
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 032046, 2003 ASAE Annual Meeting . (doi: 10.13031/2013.13761) @2003
Authors: D.M. Amatya, G. Sun, R.W. Skaggs, C.C. Trettin
Keywords: Pine-Hardwood, Flatwoods, Water Table, Outflows, PET, Surface Storage, Routing
Models like DRAINMOD and its forestry version, DRAINLOB, have been specifically developed as
a field scale model for evaluating hydrologic effects of crops (trees), soil, and water management practices for
lands with pattern drainage (i.e. with parallel ditches) on relatively flat, high water table soils. These models
conduct a water balance between the ditches to predict water table depths, drainage rates, surface runoff, ET,
and soil water storage. However, a vast landscape under silvicultural management in the coastal plains along
the southeast and Gulf Coast region consists of lands with non-pattern drainage systems. Reliable models are
needed to determine the processes and water quality impacts of management practices on these lands also.