| 遥感技术和FEFLOW在北京市平原区地下水合理开发利用中的应用 |
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| 关键词:hydrogeological condition remote sensing technique potential exploitation capacity reasonable exploitation |
| 基金项目:北京市地下水动态监测系统示范工程研究项目(编号:954415800) |
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| The Application of Remote Sensing Technique and FEFLOW to the Reasonable Exploitation of Groundwater in Beijing Plain |
| Based on an analysis of the hydrogeological conditions of the plain area in Beijing, the authors, using the remote sensing technique, have exactly determined the boundaries of the groundwater system and constructed a conceptual model for the groundwater system. A corresponding numerical simulation model is built with FEFLOW software that is based on the finite-element theory. The model is calibrated with continuous dynamic data of the groundwater table from 2000 to 2003, which are all dry years. An analysis of present groundwater balance and recharge capacities in each representative water year and the potential exploitation capacity is carried out, and the countermeasures for reasonable exploitation of groundwater are put forward. According to the results obtained, the calibrated model has relatively high confidence and accords with the local hydrogeological conditions; the balances of the groundwater system from 2000 to 2003 are-7.73×108 m3,-6.02×108 m3,-5.95×108 m3 and-4.38×108 m3, respectively, and the corresponding total recharge capacities are 16.98×108 m3, 18.68×108 m3, 18.75×108 m3 and 20.32×108 m3, respectively; the annual average recharge capacity of groundwater is 22.98×108 m3; there still exists groundwater exploitation potential in the area of Pinggu and Changping; the groundwater has already been overexploited in Mihuaishun plain, the city zone and the suburbs; and the emphasis of countermeasures for reasonable exploitation of groundwater should be mainly placed on three aspects: broadening water sources and reducing consumption, combined utilization of surface water and groundwater, and middle-water recycling. |
| HE Guo-ping,ZHOU Dong,ZHAO Yue-fen,LI Hui-an,YANG Zhong-shan,ZHAO Hong-yi.2006.The Application of Remote Sensing Technique and FEFLOW to the Reasonable Exploitation of Groundwater in Beijing Plain[J].Acta Geoscientica Sinica,27(3):277-282. |
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