SIMULATION OF SALT TRANSPORT ABOVE A SHALLOW SALINE WATERTABLE

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概要

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• Recommendations for the reclamation of saline and sodic soils in Queensland are based on simple empirical relations. To accurately determine the quantity of gypsum, water and time needed a model that can simulate complex chemical and physical processes involved in the reclamation of saline and sodic soils is required. UNSATCHEM [6, 7] is a software package for simulating water, heat, carbon dioxide and solute movement in one-dimensional variably saturated media (nutrient leveis are assumed to be adequate for optimum plant growth). The model is unique in that it predicts the impacts of salinity and sodicity on soil hydraulic conductivity. To the authors' knowledge it is the only model that links both soil chemical and physical properties. The use of UNSATCHEM to predict changes in salinity and sodicity was recently advocated [5].This study found the model was able to simulate salt movement within the range of natural variations found at the Darbalara field trial and therefore may be used to evaluate the feasibility of reclamation and management practices for salinity and sodicity control.

• 日本マクロエンジニアリング学会の論文

著者

• Lu G.Q.(Max)

  Department of Chemical Engineering

• Wearing C.

  Department of Chemical Engineering

• Rudolph Victor

  Department of Chemical Engineering

• (Max) Lu

  Department of Chemical Engineering

• Matthew P.

  School of Agriculture and Horticulture University of Queensland

• Nitta Y.

  Yokkaichi University

関連論文

• SIMULATION OF SALT TRANSPORT ABOVE A SHALLOW SALINE WATERTABLE

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