A refined groundwater flow model of the shallow aquifer in Tianjin Municipality, China
A refined groundwater flow model of the shallow aquifer in Tianjin Municipality, China
复制标题
天津市浅层含水层精细地下水流模型
DOI：
10.2166/ws.2016.046
复制
发表时间：
2016-10
期刊：
影响因子：
--
通讯作者：
Feng Ping
中科院分区：
文献类型：
--
作者：
Li Fawen;Li Xi;Zhao Yong;Qiao Jiale;Feng Ping
概述了天津市浅层含水层地下水流模型的建立。选择天津市是因为其水文地质条件复杂且数据丰富，可用于测试浅层含水层精细地下水流模型。当构建浅层地下水流模型时，其补给和排放函数需要代表降雨的流入量、河流和水库的灌溉回流渗漏以及蒸发的横向流入和流出以及灌溉和工业和城市使用的地下水抽取。在抽取地下水时，还需要考虑浅层含水层和深层含水层之间的水交换。将天津市实际灌区输入地下水流模型，将河流和水库细化至二级支流和小型水库级别。模型校正是在考虑2006-2008年代表性参数值及其空间分布、地下水流场、地下水头时间变化和水平衡的基础上进行的。通过对比实测地下水头和模拟地下水头，模型精度较高，模拟地下水位与实际地下水情况相符。得出的结论是，天津市浅层含水层地下水流模型将为进一步研究浅层和深层含水层与地表环境的关系提供有用的工具。
The assembly of groundwater flow model for the shallow aquifer in Tianjin Municipality is outlined in this paper. Tianjin Municipality was selected because of its complicated hydrogeological conditions and rich data which could be used to test a refined groundwater flow model for the shallow aquifer. When a shallow groundwater flow model is being assembled its recharge and discharge functions need to represent inflows from rainfall, irrigation return flows seepage from rivers and reservoir and lateral inflows and outflows and outflows from evaporation, abstraction of groundwater for irrigation and industrial and urban use. When abstracting groundwater, the water exchanges between a shallow aquifer and a deep aquifer also need to be considered. The real irrigation areas of Tianjin Municipality were input into the groundwater flow model, and the rivers and reservoirs were refined to the level of secondary tributaries and small scale reservoirs. The model calibration was carried out based on consideration of representative parameter values and their spatial distribution, the groundwater flow fields, the temporal variation in groundwater heads and the water balance for the years 2006–2008. It was concluded from a comparison of the observed and simulated groundwater heads that the precision of model is high and that the simulated groundwater levels align with the real groundwater conditions. It is also concluded that the groundwater flow model for the shallow aquifer in Tianjin Municipality will be a useful tool for further studies about the relationship between shallow and deep aquifers and the surface environment.
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影响因子：
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作者：
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通讯作者：
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DOI：
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发表时间：
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期刊：
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