NUMERICAL SIMULATION OF SEASONAL CHANGES OF SOLUBLE SALTS IN SALT-AFFECTED SOIL
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Abstract:
Numerical simulation method was used to study the transfer of soluble salts in soil.Evaporation and infiltration of water,precipitation and solution of salts in soil,and fluctuation in ground water table were considered in the computer simulation program.The simulated results of movement of salts over 9 months period showed that (1) this method can be use to simulae movement of salts in soil not only over short peiiod but also over one year;(2) more precipitation in rainy season than in other seasons is more favorable for salt leaching and desalination of soil;(3) the movement of salts in soil is affected by the changes of ground water table in combiantion evaporation and precipitation.
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