| 水文与水资源 |
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| 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 |
| ZHAO Chuan-yan1, LI Shou-bo2, FENG Zhao-dong3 |
| 1.Key Laboratory of Arid and Grassland Agroecology under Ministry of Education in Lanzhou University, Lanzhou 730000, China; 2.Linze Inland River Basin Comprehensive Research Station, Cold and Arid Regions Environmental and Engineering Research Institute, CAS, Lanzhou 730000, China; 3.National Laboratory of Western Chinas Environmental System, Lanzhou University, Lanzhou 730000, China |
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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.
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Received: 17 October 2008
Published: 20 January 2010
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Cite this article:
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. JOURNAL OF DESERT RESEARCH, 2010, 30(1): 198-203.
URL:
http://www.desert.ac.cn/EN/ OR http://www.desert.ac.cn/EN/Y2010/V30/I1/198
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2010, Vol. 30 
