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中文摘要：
生态环境脆弱的干旱区生态和地下水关系紧密，然而在缺观测资料干旱地区是否能建立区域地下水模型以分析地下水动态以及可靠性如何是一个比较现实而重要的问题．本文在阐述缺观测资料地区建立区域地下水模型存在的问题时，详细介绍了建模时可利用的公众数据来源，最后以呼伦湖流域为实例，说明了模型的建立过程，并利用地下水动态数据和遥感解译的土地利用数据进行了模型验证，阐述了缺观测资料地区可以建立区域地下水模型以及利用卫星数据提高缺观测资料地区地下水模型精度的可行性．结果可为提高缺观测资料地区区域地下水模型的仿真性提供参考．
英文摘要：
Groundwater and ecology is closely related in arid regions with fragile ecological environment. But whether regional groundwater can be established to predict changes in groundwater, and whether modeling is reliable remain important questions. Existing problems when establishing such type of groundwater model were summarized Available public data sources were introduced Hulun Lake basin was selected to demonstrate model building and validation with landuse data from remote sensing. It is concluded that regional groundwater model in ungauged basin can be established and it is feasible to use remote sensing data to improve accuracy of groundwater modeling. These findings will provide reference for establishing regional groundwater model in ungauged basins.
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