ON THE STREAM FUNCTION FOR VARIABLE-DENSITY GROUNDWATER-FLOW

被引：38
|
作者：
EVANS, DG
RAFFENSPERGER, JP
机构：
[1] JOHNS HOPKINS UNIV,DEPT EARTH & PLANETARY SCI,BALTIMORE,MD 21218
[2] UNIV MAINE,DEPT GEOL SCI,ORONO,ME 04473
来源：
WATER RESOURCES RESEARCH | 1992年 / 28卷 / 08期
关键词：
D O I：
10.1029/92WR01060
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
When the stream function is used to describe variable-density groundwater flow, it should be defined in terms of mass flux. The historic use of the stream function describes volume flux and implicitly invokes the Boussinesq assumption. A comparison of the flow equations for mass-based and volume-based stream functions indicates that this assumption can lead to significant errors in the calculated flow field, especially when flow parallels large density gradients.
引用
收藏
页码：2141 / 2145
页数：5
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