干旱区绿洲棉田土壤水盐运动数值模拟

IMECH-IR > 力学所知识产出(1956-2008)

	干旱区绿洲棉田土壤水盐运动数值模拟
	姚德良; 李新
Source Publication	干旱区地理
	1999
Volume	22 Issue:2 Pages:26
ISSN	1000-6060
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.
Keyword	绿洲棉田水盐运动预报校正法迎风二次型插值数值模拟
Subject Area	力学
Indexed By	CSCD
Language	中文
CSCD ID	CSCD:603341
Citation statistics	Cited Times:3[CSCD] [CSCD Record]
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/16987
Collection	力学所知识产出(1956-2008)
Recommended Citation GB/T 7714	姚德良,李新. 干旱区绿洲棉田土壤水盐运动数值模拟[J]. 干旱区地理,1999,22,2,:26.
APA	姚德良,&李新.(1999).干旱区绿洲棉田土壤水盐运动数值模拟.干旱区地理,22(2),26.
MLA	姚德良,et al."干旱区绿洲棉田土壤水盐运动数值模拟".干旱区地理 22.2(1999):26.

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