Author(s): S. Mohammadighavam; B. Klove
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Abstract: Peatland ditching for forestry, agriculture, and peat extraction in boreal regions has a significant effect on water quality and quantity which needs sustainable and careful management. The objective of this study is to develop new methods based on more refined hydrologic information and hydraulic design that will better predict, control and improve water management solution for ditched peatlands to reduce leaching and diffuse pollution to watercourses. This study builds on field and laboratory experiments as well as hydrologic/hydraulic modelling. Peat physical properties and monitoring data on rainfall, runoff and groundwater levels were used to build hydrological model using DRAINMOD. Also COMSOL Multiphysics commercial Software was employed to optimize different parts of treatment structures. The obtained results were used to modify existing facilities and build a full scale gravity driven hydraulic mixer with 4 m width and 65 m length which is under investigation to improve the accuracy of CFD modelling.
Year: 2016