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干旱区绿洲棉田土壤水盐运动数值模拟
Authors
姚德良
李新
Publication date
1 January 1999
Publisher
Abstract
利用预报校正法求解土壤水分运动的h型Richards方程.同时利用具有二阶高精度的差分法求解土壤盐分运移的对流扩散方程,此格式可避免利用一般差分格式时出现的数值弥散问题.最后,将上述数学模型对干旱区绿洲棉田,在蒸发条件下土壤水分运动和土壤盐分向上运动积累过程进行数值模拟,计算结果与测量值吻合较好.可为预报土壤盐碱化提供科学依据
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Institute Of Mechanics,Chinese Academy of Sciences
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oai:dspace.imech.ac.cn:311007/...
Last time updated on 25/11/2020
Institute Of Mechanics,Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.imech.ac.cn:311007/...
Last time updated on 12/02/2018