Models for Simulating Hydrology and Water Quality on Drained Soils

by R. Wayne Skaggs, North Carolina State Univ, Raleigh, United States,

Document Type: Proceeding Paper

Part of: Management of Irrigation and Drainage Systems: Integrated Perspectives


Design and operation of drainage and related water management systems should consider both agricultural production and environmental impacts. This is currently required in many locations and will be increasingly necessary in the future. These multiple objectives make the design more difficult and require a better understanding of the mechanisms controlling the operation of the system as well as their interactions with fertility and cultural practices. Simulation models have been and are being developed to quantify these processes and interactions in terms of soil properties, crop parameters, site conditions and climatological variables. Several approaches being used to develop and apply simulation models are discussed in this paper.

Subject Headings: Hydrologic models | Water quality | Simulation models | Hydrology | Drainage | Soil water | Soil properties | Computer models

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