黑河下游地下水波动带地下水时空分布模拟研究:研究区离散化与潜水蒸发空间化

摘要/Abstract

摘要： 从地下水研究意义出发,综述了地下水研究现状,利用含水层结构对研究区进行离散剖分。利用观测资料确定潜水蒸发与地下水的关系,在界定初始地下水位的基础上,利用该关系模型对初始潜水蒸发空间化,结果表明,初始潜水蒸发（1990年7月）分布在7~80 mm之间,高值出现在研究区的河岸地带,低值出现在研究区的北部、南部和远离河岸区。研究区的潜水蒸发随着时间的变化也有显著的变化,一般在6—9月蒸发量较大。

关键词: 黑河下游, 地下水波动带, 地下水, 剖分, 潜水蒸发

Abstract: There is little precipitation in the lower reaches of Heihe River. The groundwater level determines the pattern and distribution of vegetation, a highly valuable resource to animals and with important role in eco-environment. Based on the field investigation of geology and hydrogeology, a three-dimensional aquifer system (45 312 cells and 3 slices) was constructed. Evaporation of groundwater is a key outlet which drops the groundwater level. The relationship between the groundwater level and groundwater evaporation was built as: E=C0 e-a D. The spatial distribution of the initial groundwater level was obtained by interpolation, and then the initial spatial distribution of evaporation was calculated according to their relationship. The study lays a foundation for modeling spatial and temporal distribution of the groundwater level in the study area.

Key words: the lower reaches of Heihe River, groundwater table fluctuant belt, groundwater level, division, groundwater evaporation

中图分类号:

P641.1

赵传燕;李守波;冯兆东. 黑河下游地下水波动带地下水时空分布模拟研究:研究区离散化与潜水蒸发空间化[J]. 中国沙漠, 2010, 30(1): 198-203.

ZHAO Chuan-yan;LI Shou-bo;FENG Zhao-dong. Modeling of Spatiotemporal Distribution of Groundwater Level in Water Table Fluctuant Belt of the Lower Heihe River Reaches: (Ⅰ) Division of study area and groundwater evaporation[J]. JOURNAL OF DESERT RESEARCH, 2010, 30(1): 198-203.

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