GIS-based determination of the mean long-term groundwater recharge in Lower Saxony

GIS-based determination of the mean long-term groundwater recharge in Lower Saxony
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基于 GIS 的下萨克森州平均长期地下水补给确定

DOI:
10.1007/s00254-003-0879-x
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发表时间:
2003
期刊:
影响因子:
--
通讯作者:
G. Dörhöfer
G. Dörhöfer
中科院分区:
--
文献类型:
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作者:
F. Wendland;R. Kunkel;B. Tetzlaff;G. Dörhöfer

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本文介绍了萨克森州地质调查局(NLfB)和尤利希研究中心系统分析和技术评价方案组(STE)合作研究项目的成果,该项目是利用高分辨率数字数据(Dörhöfer等人,2001年)基于GIS确定萨克森州平均长期地下水补给量。模型计算是在空间分辨率为100 × 100 m2的水平衡模型GROWA(Kunkel和Wendland,2002年)的基础上进行的。1961-1990年期间计算的地下水补给值的准确性进行了验证的基础上,从测量站的数据和观测径流值和模型结果之间显示出良好的协议。
This paper presents the findings of a collaborative research project of the Geological Survey of Lower Saxony (NLfB) and the Programme Group Systems Analysis and Technology Evaluation (STE) of Research Centre Jülich on the GIS-based determination of the mean long-term groundwater recharge in Lower Saxony using high-resolution digital data (Dörhöfer and others 2001). The model calculations were performed on the basis of the water-balance model GROWA (Kunkel and Wendland 2002) with a spatial resolution of 100x100 m2. The accuracy of the calculated groundwater recharge values for the period 1961–1990 was verified on the basis of data from gauging stations and displayed a good agreement between observed runoff values and model results.